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An industry-wide initiative of North American retailers and trading partners to upgrade their bar code scanning and processing systems to support the new 14-digit GTIN by January 1, 2005

Application-to-application integration is a euphemism for enterprise application integration.Two or more applications, usually but not exclusively within the same organization, are linked at an intimate message or data level.

Advanced Encryption Standard is a new Federal Information Processing Standard (FIPS) that specifies an encryption algorithm(s) capable of protecting sensitive government information well into the twentyfirst century. The U.S. Government will use this algorithm and the private sector will use it on a voluntary basis.

What Is AES-256?

AES-256 (Advanced Encryption Standard with a 256-bit key) is a symmetric encryption algorithm widely used to protect sensitive data at rest and in transit.

It is the strongest standardized version of AES and is approved by NIST for securing classified and regulated information. AES-256 is commonly used in enterprise security platforms, including Managed File Transfer (MFT) systems such as TDXchange, to encrypt files, metadata, and communication channels.

AES-256 is considered computationally infeasible to brute force due to its 2²⁵⁶ possible key combinations.

Why Is AES-256 Important for File Transfer Security?

Organizations transferring regulated data — including payment card information (PCI), protected health information (PHI), controlled unclassified information (CUI), and financial records — are expected to use strong encryption algorithms.

AES-256 matters because it:

• Meets or exceeds PCI DSS, HIPAA, FIPS 140-3, and NIST encryption requirements
• Protects sensitive files in transit and at rest
• Supports authenticated encryption when configured in GCM mode
• Benefits from hardware acceleration (AES-NI) for high-speed performance
• Has withstood decades of cryptographic analysis without practical compromise

In compliance audits, encryption configuration often determines whether organizations pass or face remediation requirements.

How Does AES-256 Work?

AES-256 encrypts data in 128-bit blocks through 14 rounds of transformation, including:

• Substitution
• Permutation
• Mixing
• Key expansion

The 256-bit encryption key generates 15 round keys used during the encryption process.

In enterprise file transfer systems, AES-256 is typically deployed using secure cipher modes such as:

• GCM (Galois/Counter Mode) — preferred for providing encryption and authentication
• CBC (Cipher Block Chaining) — legacy but still supported in certain environments

Modern processors include AES-NI hardware instructions, enabling encryption speeds exceeding 1 GB per second per CPU core without performance degradation.

AES-256 in Managed File Transfer (MFT)

Enterprise MFT platforms use AES-256 to secure:

• Files stored in staging and archive repositories
• Metadata stored in databases
• TLS and SSH protocol sessions
• Backup files and disaster recovery datasets
• Legal and eDiscovery collections

Within TDXchange, AES-256 is used for encryption at rest and as part of secure protocol configurations to protect sensitive file workflows across hybrid and cloud environments.

Encryption keys are typically managed through:

• Key Management Services (KMS)
• Hardware Security Modules (HSMs)
• Automated key rotation policies

This ensures encryption keys are protected and never exposed in plaintext within application memory.

Compliance and Regulatory Alignment

AES-256 is aligned with major regulatory frameworks:

• PCI DSS v4.0 — requires strong cryptography for cardholder data protection
• FIPS 140-3 — mandates validated cryptographic implementations
• HIPAA Security Rule — expects encryption consistent with NIST standards
• CMMC Level 2 — requires encryption for Controlled Unclassified Information (CUI)

While AES-128 meets minimum requirements in many frameworks, risk-averse and security-mature organizations standardize on AES-256 for enhanced long-term protection.

Common Use Cases

AES-256 is commonly used by:

• Healthcare providers encrypting HL7 files and medical imaging
• Financial institutions securing batch payment and wire files
• Government contractors protecting CUI under CMMC
• Retailers encrypting payment and inventory data
• Legal teams transferring encrypted eDiscovery datasets

Best Practices for Implementing AES-256

To maximize security and performance:

• Configure AES-256-GCM as the default cipher for TLS 1.3 and at-rest encryption
• Enable automated key rotation every 90–180 days
• Verify hardware acceleration (AES-NI) is enabled
• Document specific cipher suites (e.g., TLS_AES_256_GCM_SHA384) for audit evidence
• Integrate encryption keys with centralized KMS or HSM infrastructure

Frequently Asked Questions

Is AES-256 secure?

Yes. AES-256 is considered secure against brute-force attacks and is approved by NIST for protecting sensitive government and enterprise data.

What is the difference between AES-128 and AES-256?

Both use the same algorithm, but AES-256 uses a longer key length, providing greater resistance to future cryptographic attacks.

Does AES-256 slow down file transfers?

No. Modern CPUs use hardware acceleration (AES-NI), enabling high-speed encryption without significant performance impact.

Is AES-256 required for compliance?

Many frameworks require strong encryption; while AES-128 may meet minimum standards, AES-256 is widely adopted for higher assurance and future-proofing.

What Is AFTP?

AFTP (Accelerated File Transfer Protocol) is bTrade’s proprietary high-speed file transfer protocol designed to maximize bandwidth utilization over high-latency wide-area networks (WANs).

Unlike traditional TCP-based protocols such as SFTP or FTPS, AFTP uses a UDP-based acceleration model with built-in error correction to maintain high throughput across long distances, packet loss, and latency-heavy connections.

AFTP enables organizations to transfer large files — including terabyte-scale datasets — at speeds approaching full available network capacity while maintaining enterprise-grade encryption and delivery guarantees.

How Is AFTP Different from SFTP?

Traditional file transfer protocols like SFTP rely on TCP congestion control. On long-haul or high-latency links, TCP significantly reduces throughput due to:

• Window size limitations
• Sensitivity to packet loss
• Slow congestion recovery

In real-world WAN environments, TCP-based transfers often use only 1–5% of available bandwidth.

AFTP bypasses TCP limitations by using:

• Rate-based transmission algorithms
• UDP transport
• Selective retransmission
• Built-in forward error correction

As a result, AFTP typically achieves 80–95% bandwidth utilization on the same circuits where SFTP stalls.

Why AFTP Matters for Enterprise File Transfer

When transferring large files across continents, traditional TCP-based transfers can turn a theoretical 10-minute transfer into a multi-hour process.

For organizations moving:

• 4K/8K media files (100GB–2TB) for global media production workflows
• eDiscovery collection datasets during litigation, regulatory investigations, and internal compliance reviews
• Genomic sequencing datasets (500GB–5TB) between research institutions
• Seismic survey data (multi-terabyte volumes) from field sites to analysis centers
• Financial backup archives across geographically distributed data centers

Transfer time directly impacts production schedules, court deadlines, regulatory obligations, research velocity, and revenue.

For eDiscovery teams, the stakes are even higher. Large forensic collections must be transferred:

• Without data corruption
• Without restarting multi-hour transfers due to packet loss
• With full integrity validation
• With defensible audit trails
• Within strict court-imposed deadlines

Interrupted or degraded transfers can delay review cycles, increase legal costs, and create compliance exposure. In cross-border investigations, slow WAN performance can extend production timelines and introduce unnecessary operational risk.

AFTP maintains high-speed throughput while preserving data integrity and encryption, ensuring that sensitive legal collections move securely, verifiably, and within defined service-level expectations. This reduces risk to chain of custody, accelerates time-to-review, and supports defensible legal workflows.

AFTP ensures organizations use the network capacity they are already paying for — without compromising encryption, integrity, governance controls, or regulatory readiness.

How AFTP Works

AFTP replaces TCP congestion control with a dynamic rate-based algorithm that:

1. Continuously measures packet loss and round-trip time
2. Adjusts sending rates based on actual available bandwidth
3. Retransmits only lost segments without slowing the entire transfer
4. Maintains stable throughput even during intermittent packet loss

All data in transit is encrypted using AES-256 encryption to ensure confidentiality and compliance alignment.

How AFTP Integrates with TDXchange

Within the TDXchange Managed File Transfer platform, AFTP functions as a premium transport option alongside standard protocols such as:

• SFTP
• FTPS
• HTTPS
• AS2
• AS4

Organizations typically:

• Deploy AFTP nodes at edge locations or DMZ environments
• Configure bandwidth policies (minimum, maximum, and target rates)
• Choose adaptive or fixed-rate transfer modes
• Use TDXchange for authentication, authorization, auditing, and compliance logging

This architecture separates transport acceleration from governance control — combining enterprise oversight with optimized performance.

Common Use Cases for AFTP

AFTP is commonly used in industries where large file transfers must be completed within strict time windows:

• Media and entertainment global production workflows
• Life sciences research collaboration
• Oil and gas field data transmission
• Financial services disaster recovery replication
• Legal eDiscovery dataset transfers

In high-latency environments (e.g., 80ms+ WAN links), AFTP can reduce multi-hour transfers to under an hour, depending on available bandwidth.

Best Practices for Implementing AFTP

To maximize performance and stability:

• Set target bandwidth at 80–90% of circuit capacity to avoid saturating shared networks
• Deploy AFTP nodes close to source/destination storage to prevent LAN bottlenecks
• Use adaptive rate mode on shared circuits
• Monitor disk I/O and firewall inspection overhead to prevent local constraints

If throughput gains are not significantly higher than SFTP, investigate local infrastructure limitations.

Frequently Asked Questions

Is AFTP secure?

Yes. AFTP encrypts all data in transit using AES-256 encryption and integrates with TDXchange authentication and audit controls.

When should I use AFTP instead of SFTP?

AFTP is recommended when transferring large files over long distances, high-latency WAN connections, satellite links, or packet-loss-prone networks.

Does AFTP replace TCP entirely?

AFTP replaces TCP for file transport but integrates with enterprise authentication and governance systems through the TDXchange control layer.

How much faster is AFTP than SFTP?

Performance improvements vary by environment, but organizations often see 10x to 50x throughput gains on long-haul links compared to TCP-based protocols.

The ITU-T (International Telecommunications Union-T) standard for certificates. X.509 v3 refers to certificates containing or capable of containing extensions.

Application Program Interface is a popular element of programs that enable inter-program communications.

Enterprise MFT platforms expose programmatic interfaces that let external applications trigger transfers, query job status, and manage configurations without touching the UI. Instead of having operators manually start every transfer or check logs, you're calling REST or SOAP endpoints from your ERP, CRM, or custom applications.

Why It Matters

I've watched teams cut their manual intervention by 80% once they connected their MFT to surrounding systems. Your order management system can automatically trigger shipment file transfers the moment an order closes. Your monitoring tools can pull transfer metrics every five minutes instead of waiting for someone to export a report. When business applications control file movement directly, you eliminate the delays and errors that come from manual handoffs between systems.

How It Works

Most modern MFT platforms provide RESTful APIs with JSON payloads, though older systems might still use SOAP with XML. You authenticate via API keys, OAuth tokens, or certificate-based auth, then make calls to initiate transfers, schedule jobs, create trading partners, or retrieve audit data. The API acts as a control plane—your application sends instructions, and the MFT engine handles the actual protocol work (SFTP, AS2, HTTPS). You're not reimplementing file transfer logic; you're telling an existing transfer engine what to move and when.

MFT Context

In practice, API integration turns your MFT platform into a service that other applications consume. Your warehouse management system calls the API when inventory files need to reach retail partners. Your financial close process hits an endpoint to pull confirmation receipts before marking reconciliations complete. I've seen customers build entire self-service portals where trading partners provision their own accounts through API calls, with the MFT platform handling authentication, routing, and encryption behind the scenes.

Common Use Cases

• ERP-triggered transfers where SAP or Oracle automatically sends invoices, purchase orders, or inventory updates when business transactions complete, eliminating overnight batch delays
• Cloud application integration connecting Salesforce, Workday, or ServiceNow to on-premises MFT, pulling reports or pushing data files as part of automated workflows
• Custom monitoring dashboards that aggregate transfer metrics, SLA compliance, and partner activity from multiple MFT instances into a single executive view
• Automated partner onboarding where CRM systems create new trading partner configurations, assign protocols, and provision credentials without IT involvement

Best Practices

• Version your API contracts carefully—once partners depend on specific endpoints and response formats, breaking changes cause integration failures across your trading network.
• Implement rate limiting and request quotas per application or partner to prevent runaway scripts from overwhelming your MFT platform during business hours.
• Return meaningful job identifiers that calling applications can use to track transfer status, retrieve logs, and correlate file movements with business transactions in audit trails.
• Design for idempotency so retried API calls don't create duplicate transfers—use client-provided request IDs to detect and ignore redundant submission attempts.

Real World Example

A healthcare clearinghouse processes 200,000 claims files daily from 3,500 provider systems. Each provider's practice management software calls the MFT's API to submit encrypted claim batches, check processing status, and download remittance files. The API returns a tracking ID within 100ms, the MFT validates file formats and encrypts payloads, then routes to the appropriate payer. Providers poll status endpoints to update their internal dashboards, and the API streams error notifications back when files fail validation—all without human intervention.

Advanced Program-to-Program Communication is IBM's program-to-program communication, distributed transaction processing and remote data access protocol suite across the IBM software product line.

Applicability Statement 1 - an international standard for EDI over the Internet where the transport protocol is Simple Mail Transport Protocol. Limited market acceptance since SMTP is lossy, so neither party really knows that the message was delivered. Advantage is that most firewall and enterprise security procedures do not need to change.

What Is AS2?

AS2 (Applicability Statement 2) is a secure B2B file transfer protocol used to exchange business documents over HTTP or HTTPS with built-in encryption, digital signatures, and delivery confirmation.

Originally developed for Electronic Data Interchange (EDI) transactions, AS2 remains a widely adopted standard for high-assurance business-to-business (B2B) data exchange across regulated and supply-chain-driven industries.

Within TDXchange, AS2 is used to securely transmit and validate structured business documents while enforcing encryption, integrity, authentication, and non-repudiation.

How AS2 Works in TDXchange

AS2 uses standard HTTP or HTTPS as the transport layer and applies S/MIME encryption and digital signing on top.

A typical AS2 transaction in TDXchange follows this process:

1. The outbound file is encrypted using the trading partner’s public certificate.
2. The message is digitally signed using the sender’s private key.
3. TDXchange transmits the AS2 message to the partner’s AS2 endpoint over HTTP or HTTPS.
4. The receiving partner decrypts the payload, verifies the signature, and processes the document.
5. The partner returns a Message Disposition Notification (MDN) confirming receipt.
6. TDXchange validates, signs, and archives the MDN to create a complete audit record.

MDNs may be returned:

• Synchronously (within the same connection)
• Asynchronously (to a designated MDN endpoint)

TDXchange automatically manages MDN validation, signing, logging, and archival, ensuring transaction traceability and proof of delivery.

What Is an MDN in AS2?

An MDN (Message Disposition Notification) is a digitally signed receipt confirming that an AS2 message was successfully received and processed.

MDNs provide:

• Proof of delivery
• Non-repudiation
• Integrity verification
• Regulatory audit evidence

TDXchange stores MDNs alongside the original payload, preserving a complete transaction history for compliance and legal defensibility.

Default AS2 Ports

• Port 80 – AS2 over HTTP (legacy; rarely used in production)
• Port 443 – AS2 over HTTPS (standard and recommended)

Modern TDXchange deployments use HTTPS with strong TLS encryption.

Common AS2 Use Cases

AS2 is widely used for structured, repeatable B2B document exchange, including:

• EDI transactions (purchase orders, invoices, advance ship notices using X12 or EDIFACT)
• Financial services exchanges (payment files, remittance data, settlement reports)
• Healthcare claims processing (claims and remittance advice between providers and payers)
• Automotive supply chain documents (time-sensitive manufacturing data)

TDXchange centralizes AS2 partner management, certificate handling, monitoring, and reporting to simplify onboarding and maintain audit readiness.

AS2 Security and Compliance Alignment

AS2 supports regulatory and industry compliance requirements through:

• End-to-end encryption (commonly AES-256)
• Digital signatures for integrity validation
• MDNs for non-repudiation
• Certificate-based authentication
• Complete transaction logging

When implemented through TDXchange, AS2 helps organizations meet:

• PCI DSS v4.0 – strong cryptography for data in transit
• HIPAA Security Rule – integrity controls and audit logging for ePHI
• SOX requirements – non-repudiation and transaction traceability
• Supply chain mandates requiring AS2 interoperability

Many production environments rely on Drummond-certified interoperability testing, which TDXchange supports to ensure trading partner compatibility.

Best Practices for AS2 in TDXchange

To optimize reliability and compliance:

• Use asynchronous MDNs for large file transfers to prevent timeouts
• Configure alerts for delayed or missing MDNs
• Separate encryption and signing certificates to simplify lifecycle management
• Rotate certificates before expiration to prevent partner disruption
• Archive MDNs with original payloads for long-term regulatory retention

Centralized certificate and MDN management within TDXchange reduces operational risk and simplifies audit preparation.

Frequently Asked Questions

Is AS2 secure?

Yes. AS2 uses encryption, digital signatures, and signed delivery receipts to ensure confidentiality, integrity, and non-repudiation.

What is the difference between AS2 and SFTP?

AS2 includes built-in non-repudiation through signed MDNs, while SFTP provides encrypted transport but does not include standardized delivery receipts.

Does AS2 require digital certificates?

Yes. AS2 relies on X.509 certificates for encryption and digital signing between trading partners.

Why do enterprises still use AS2?

AS2 remains a mandated standard across retail, manufacturing, healthcare, and finance supply chains due to its interoperability, compliance alignment, and delivery assurance model.

What Is AS4?

AS4 (Applicability Statement 4) is a secure B2B messaging protocol that enables the exchange of business documents and large file attachments over HTTPS using web services standards.

Built on the ebXML Messaging Services 3.0 specification, AS4 combines:

• SOAP-based messaging
• S/MIME encryption
• XML digital signatures
• Reliable message receipts
• Automatic retry mechanisms

AS4 is widely adopted for regulated B2B exchanges, particularly in Europe, and is the required protocol for PEPPOL e-invoicing networks.

Within bTrade solutions, AS4 is supported in enterprise MFT workflows and is used in InvoGuard, bTrade’s eInvoicing platform, for compliant electronic invoice exchange.

Why Is AS4 Important?

AS4 addresses limitations found in older protocols like AS2 by offering:

• Native web services integration
• Enhanced large file handling via MIME multipart packaging
• Built-in compression (gzip support)
• WS-Security standards alignment
• Message reliability through receipts and automatic retries

For European organizations, AS4 is critical because:

• It is mandated for PEPPOL access points
• It supports cross-border government eProcurement
• It aligns with EU digital invoicing regulations

AS4 is particularly effective for high-volume, high-assurance B2B environments where delivery confirmation and regulatory traceability are required.

How AS4 Works

AS4 transmits business documents by wrapping them inside a SOAP envelope and sending them over HTTPS.

A typical AS4 message flow includes:

1. The business document is packaged as a MIME attachment.
2. The payload is encrypted using S/MIME.
3. SOAP headers include routing, security, and metadata.
4. The message is transmitted via HTTPS to the partner endpoint.
5. The receiving system validates the signature and decrypts the content.
6. A receipt signal (synchronous or asynchronous) confirms delivery.
7. If no receipt is received within the configured timeout, the sender retries automatically using exponential backoff.

AS4 also supports gzip compression, which can reduce text-based file sizes (such as XML invoices) by 70–80%.

AS4 in bTrade Solutions

AS4 in InvoGuard (bTrade’s eInvoicing Solution)

AS4 is a core protocol within InvoGuard, bTrade’s eInvoicing solution, particularly for:

• PEPPOL-compliant electronic invoice exchange
• Cross-border B2G and B2B invoicing
• Government-mandated digital tax reporting frameworks

InvoGuard leverages AS4 to ensure:

• Secure invoice transmission
• Delivery confirmation
• Regulatory-compliant audit trails
• Interoperability with certified PEPPOL Access Points

This ensures organizations can meet evolving EU and global eInvoicing mandates with standardized messaging and verified delivery.

Common AS4 Use Cases

AS4 is commonly used for:

• PEPPOL e-invoicing across Europe
• Government data exchange (tax, customs, healthcare systems)
• Healthcare document transmission (HL7, patient data)
• Financial reporting and regulatory file exchange
• Manufacturing supply chain integration (CAD files, quality certificates)

AS4 supports both structured business documents and large file attachments.

Security and Compliance Benefits

AS4 supports regulatory and enterprise requirements through:

• End-to-end encryption
• XML digital signatures
• Message-level non-repudiation
• Automatic retry and guaranteed delivery
• Complete message logging and audit trails

When implemented within TDXchange or InvoGuard, AS4 helps organizations align with:

• PEPPOL interoperability standards
• EU eInvoicing mandates
• GDPR data protection expectations
• PCI DSS transmission requirements
• Government procurement frameworks

Best Practices for AS4 Deployment

To ensure performance and compliance:

• Always use HTTPS with TLS 1.2 or higher
• Enable payload compression for files larger than 1 MB
• Configure receipt timeouts aligned with partner SLAs
• Use exponential backoff retry policies
• Validate interoperability with trading partners before production
• Monitor dead-letter queues and failed message handling

Proper monitoring and certificate lifecycle management reduce operational disruption.

Frequently Asked Questions

What is the difference between AS2 and AS4?

AS2 uses HTTP with S/MIME and MDNs, while AS4 uses SOAP-based messaging with WS-Security and enhanced reliability features. AS4 is more aligned with web services architecture.

Is AS4 required for PEPPOL?

Yes. AS4 is the mandated protocol for PEPPOL e-invoicing networks.

Can AS4 handle large files?

Yes. AS4 supports MIME attachments, compression, and streaming, making it suitable for multi-gigabyte file transfers.

Does AS4 provide delivery confirmation?

Yes. AS4 includes receipt signals that confirm successful message processing and trigger automatic retries if necessary.

Application Service Providers operated data centers and high speed Internet connections with a business model purporting to rent business applications on a time-sharing or monthly rental basis over the Internet. Assumed that large-enterprise applications for ERP, SFA or CRM could be partitioned cost-effectively for usage-based fees and that customers would rather rent than run their own SAP/Oracle/Siebel system, or if they were a small business, just buy the small/mid-sized business application. Customer demand never materialized, so VC investments backing these companies dried up by the end of 2000.

What Is Active-Active in Managed File Transfer?

Active-Active architecture in Managed File Transfer (MFT) is a high-availability deployment model where multiple nodes operate simultaneously to process live file transfers, partner connections, and workflows.

Unlike Active-Passive configurations — where standby nodes remain idle until failure — Active-Active clusters distribute workload across all nodes in real time. This improves scalability, performance, and fault tolerance.

In TDXchange, Active-Active architecture enables continuous file transfer operations without single points of failure.

Why Is Active-Active Important?

Organizations processing high volumes of secure file transfers — often hundreds of thousands per day — cannot tolerate downtime.

Active-Active architecture helps:

• Eliminate single points of failure
• Support zero-downtime maintenance
• Enable live patching and rolling upgrades
• Maintain SLA compliance
• Protect revenue and regulatory reporting timelines

With TDXchange Active-Active deployments, organizations routinely achieve 99.99%+ uptime, even during maintenance windows.

How Active-Active Works in TDXchange

TDXchange Active-Active clusters rely on coordinated infrastructure components that share:

• Centralized configuration data
• Unified partner profiles and credentials
• Shared file state storage
• Consolidated audit logs and reporting

Load Distribution

A load balancer distributes inbound partner sessions (SFTP, AS2, HTTPS, AS4, etc.) across nodes using:

• Round-robin algorithms
• Least-connections logic
• Sticky session handling for long-lived transfers

For example:

• A 10 GB file upload remains bound to the same node during transfer
• Session affinity ensures continuity
• If a node fails, new sessions automatically route to healthy nodes

Workflow Coordination

Internally, TDXchange synchronizes job schedulers to:

• Prevent duplicate execution
• Maintain consistent state
• Merge audit events across nodes
• Ensure compliance traceability

The result is a unified operational view, regardless of which node processes the transaction.

Active-Active in Hybrid and Multi-Data Center Deployments

TDXchange supports Active-Active deployments:

• Across multiple data centers
• In hybrid cloud environments
• In geographically distributed configurations

State synchronization ensures seamless transfer processing, even if one location becomes unavailable.

Common Use Cases

Active-Active MFT deployments are common in industries requiring uninterrupted data exchange:

• Financial Services – Wire transfers, ACH processing, reconciliation reports
• Healthcare – Continuous HL7 and DICOM file transfers
• Manufacturing – 24/7 global supply chain coordination
• Retail – High-volume EDI during peak periods
• Regulated Reporting – Timely submissions to regulatory bodies

In these environments, even brief outages can trigger compliance exposure or financial penalties.

Best Practices for Active-Active MFT

To ensure optimal performance and resilience:

• Design for shared-nothing processing where possible
• Test failover scenarios under production-level load
• Monitor database and storage resource utilization
• Plan for geo-distributed latency trade-offs
• Implement quorum mechanisms to prevent split-brain conditions
• Rotate node upgrades sequentially to enable live patching

TDXchange includes health monitoring, automated failover detection, and centralized alerting to support these practices.

Real-World Example

A global financial institution deployed a four-node Active-Active TDXchange cluster across two geographically separated data centers to support 24/7 payment processing and reconciliation workflows.

The environment processed over 750,000 secure file transfers daily, including:

• Wire transfers and ACH batches
• International trade reconciliation files
• SFTP and AS2 partner integrations

During scheduled maintenance, nodes were upgraded sequentially without service interruption. When one data center experienced a network outage, the remaining nodes continued full production operations with no SLA violations.

This architecture ensured regulatory continuity, operational resilience, and uninterrupted partner connectivity.

Frequently Asked Questions

What is the difference between Active-Active and Active-Passive?

Active-Active uses multiple live nodes simultaneously. Active-Passive relies on standby nodes that activate only during failure.

Does Active-Active improve performance?

Yes. Workload distribution across nodes increases throughput and prevents bottlenecks.

Can Active-Active eliminate downtime?

It significantly reduces downtime risk and enables zero-downtime maintenance when properly implemented.

Is Active-Active required for high-volume MFT?

For organizations with strict uptime requirements or high daily transfer volumes, Active-Active is strongly recommended.

What Is Active-Passive in Managed File Transfer?

Active-Passive architecture in Managed File Transfer (MFT) is a high-availability configuration where one primary node actively processes file transfers while a secondary node remains on standby, monitoring system health and ready to take over if the primary fails.

In an Active-Passive setup:

• The active node handles all file transfers and protocol connections.
• The passive node continuously monitors the active node.
• If failure occurs, the passive node automatically promotes itself and resumes operations.

Within TDXchange, Active-Passive clustering is built into the core platform, providing reliable failover without requiring concurrent multi-node load balancing.

Why Active-Passive Architecture Matters

Active-Passive clustering provides predictable, low-complexity high availability for organizations that require uptime but do not need workload distribution across multiple active nodes.

This model is ideal when:

• Continuous service is critical
• Transfer volumes can be handled by a single node
• Simplicity and operational stability are priorities

For example:

• A healthcare provider transmitting HL7 lab results overnight cannot risk node failure delaying patient care.
• A financial institution processing end-of-day ACH or wire files must ensure uninterrupted delivery within strict settlement windows.

With TDXchange’s built-in failover capabilities, organizations maintain operational continuity while minimizing administrative overhead.

How Active-Passive Works in TDXchange

TDXchange implements Active-Passive clustering using coordinated health monitoring and shared infrastructure components.

Health Monitoring

• Heartbeat checks between nodes (typically every 15–30 seconds)
• Failure detection triggered after multiple missed heartbeats

Shared Infrastructure

Both nodes maintain synchronized access to:

• Configuration databases
• Partner profiles and credentials
• Encryption keys
• Transfer queues
• Shared file systems or object storage

Automatic Failover Process

When the passive node detects failure:

1. It promotes itself to active status.
2. Protocol listeners (SFTP, FTPS, AS2, HTTPS, etc.) are activated.
3. Shared storage is mounted.
4. File transfers resume.

Failover typically completes within 15–45 seconds, depending on network conditions and infrastructure response time.

TDXchange also supports controlled manual promotion during planned maintenance windows.

Active-Passive in Enterprise MFT Environments

Active-Passive deployments are common in environments where:

• Redundancy is mandatory
• Infrastructure budgets must remain controlled
• Single-node capacity is sufficient for workload demands

TDXchange integrates clustering into its core architecture rather than treating it as an add-on feature. Administrators can manage node roles, monitor health status, and review failover history directly within the TDXchange interface.

Common Use Cases

Active-Passive MFT architecture is frequently deployed in:

• Financial Services – Nightly ACH processing, FX settlements, wire file transfers
• Healthcare – HIPAA-regulated patient record exchanges and medical imaging transfers
• Manufacturing – High-volume file exchanges where redundancy is required but horizontal scaling is unnecessary
• Retail – EDI processing within defined time windows
• Government Agencies – Resilient infrastructure within controlled budgets

In these environments, downtime exposure carries regulatory, financial, or operational consequences.

Best Practices for Active-Passive MFT

To maintain reliability:

• Test failover scenarios monthly under controlled conditions
• Actively monitor passive node health (database access, storage mounts, licensing)
• Configure heartbeat intervals appropriately (e.g., 15 seconds with 3-failure threshold)
• Document and validate failback procedures after maintenance
• Enable connection draining during planned switchover to prevent interruption of large file transfers

TDXchange supports controlled failover and connection draining to minimize transfer disruption during maintenance events.

Frequently Asked Questions

What is the difference between Active-Passive and Active-Active?

Active-Passive uses one live node with a standby backup. Active-Active runs multiple live nodes simultaneously and distributes workload.

How long does failover take?

Failover typically completes within 15–45 seconds, depending on infrastructure and network conditions.

Is Active-Passive sufficient for high-volume MFT?

Yes, if a single node can handle peak transfer loads and redundancy — not load balancing — is the primary requirement.

Does Active-Passive require manual intervention?

No. TDXchange supports automatic failover triggered by heartbeat and health-check monitoring.

What Is Advanced Encryption Standard (AES)?

Advanced Encryption Standard (AES) is a symmetric encryption algorithm used to protect sensitive data during storage and transmission.

Adopted by the U.S. government in 2001 and standardized by NIST, AES encrypts data in 128-bit blocks and supports key sizes of:

• 128-bit
• 192-bit
• 256-bit

Among these, AES-256 is the preferred standard for regulated industries and high-security environments.

Enterprise Managed File Transfer (MFT) platforms, including TDXchange, use AES to encrypt file payloads both in transit and at rest.

Why Is AES Important for File Transfer Security?

AES provides the cryptographic foundation for secure file transfer systems.

When organizations transmit:

• Financial records
• Healthcare data (ePHI)
• Payment card information
• Intellectual property
• Government-regulated files

AES ensures:

• Confidentiality
• Data integrity (when used in authenticated modes)
• Regulatory compliance
• Resistance to brute-force attacks

Auditors and security frameworks expect to see AES configured within file transfer environments. Deprecated algorithms such as DES or 3DES are considered compliance risks.

AES also delivers high performance. Modern processors use hardware acceleration (AES-NI), allowing encryption of terabytes of data without significantly impacting throughput.

How AES Works

AES operates using a substitution-permutation network across multiple transformation rounds:

• 10 rounds for 128-bit keys
• 12 rounds for 192-bit keys
• 14 rounds for 256-bit keys

Each round performs:

• Byte substitution
• Row shifting
• Column mixing
• Round key addition

For secure file transfers, AES is typically deployed in GCM (Galois/Counter Mode), which provides:

• Encryption
• Authentication
• Protection against tampering

GCM mode is preferred because it ensures both confidentiality and message integrity in a single operation.

AES in Managed File Transfer (MFT)

In MFT environments:

• AES encrypts file contents (payload encryption)
• TLS uses AES-based cipher suites to secure connections
• Encryption-at-rest applies AES to staging directories and file repositories

Within TDXchange, AES is used to:

• Encrypt files stored in system repositories
• Secure protocol sessions (SFTP, FTPS, HTTPS, AS2, AS4)
• Protect sensitive metadata
• Support compliance-aligned encryption standards

Encryption keys are managed separately through Key Management Services (KMS) or secure key stores, ensuring keys are not embedded directly within application configurations.

Common Use Cases

AES is widely used across industries:

• Healthcare – Encrypting HIPAA-regulated claims files and medical records
• Financial Services – Securing wire transfer files and reconciliation reports
• Retail and Payments – Protecting PCI DSS-regulated cardholder data
• Manufacturing – Encrypting CAD and engineering design files
• Government and Defense – Securing classified or controlled information

Best Practices for AES Implementation

To maximize security and compliance:

• Enforce AES-256 as the minimum encryption standard
• Restrict TLS cipher suites to AES-based options only
• Enable hardware acceleration (AES-NI) for performance optimization
• Implement automated key rotation policies
• Use a key hierarchy where master keys protect data encryption keys
• Regularly audit cipher negotiation logs to detect deprecated algorithms

Strong key management is as important as algorithm strength. Improper key storage can undermine AES protection.

Compliance and Regulatory Alignment

AES supports major security frameworks and regulatory mandates:

• PCI DSS v4.0 (Requirement 4.2.1) – Requires strong cryptography for cardholder data
• HIPAA Security Rule (164.312) – Requires encryption of ePHI
• FIPS 140-3 – Validates proper cryptographic module implementation
• NIST standards – Recommend AES for symmetric encryption

For organizations working with federal agencies, using FIPS-validated cryptographic libraries is often mandatory.

Auditors evaluate both:

• Algorithm strength (e.g., AES-256)
• Key management practices

Frequently Asked Questions

Is AES secure?

Yes. AES is widely considered secure and has no known practical attacks when properly implemented.

What is the difference between AES-128 and AES-256?

Both use the same algorithm structure, but AES-256 uses a longer key, providing stronger resistance against future brute-force attacks.

Does AES impact file transfer performance?

Minimal impact. Hardware acceleration (AES-NI) enables high-speed encryption suitable for large file volumes.

Is AES required for compliance?

Most regulatory frameworks require “strong cryptography,” and AES is explicitly approved under PCI DSS, HIPAA guidance, and NIST standards.

A clearly specified mathematical computation process; a set of rules that gives a prescribed result.

An algorithm that uses two mathematically related, yet different key values to encrypt and decrypt data. One value is designated as the private key and is kept secret by the owner. The other value is designated as the public key and is shared with the owner's trading partners. The two keys are related such that when one key is used to encrypt data, the other key must be used for decryption. See public key and private key.

Communications is a form of communication by which two applications communicate independently, without requiring both to be simultaneous available for communications. A process sends a request and may or may not be idle while waiting for a response. It is a popular non-blocking communications style. Most popular data communications protocols (IP, ATM, Frame Relay, etc) rely on asynchronous methods.

What Is an Audit Trail?

An audit trail is a comprehensive, chronological record of all activity within a Managed File Transfer (MFT) system, including file transfers, user authentications, configuration changes, and administrative actions.

In enterprise MFT platforms, audit trails capture:

• Who accessed the system
• How they authenticated
• What files were transferred
• Source and destination endpoints
• Timestamps (with time zone)
• Protocols and cipher suites used
• Success or failure status
• Permission or configuration changes

Within TDXchange, audit logs are immutable, meaning they cannot be altered or deleted once written, ensuring tamper-evident recordkeeping for compliance and forensic integrity.

Why Are Audit Trails Important?

Without audit trails, organizations cannot:

• Prove file delivery
• Demonstrate regulatory compliance
• Reconstruct security incidents
• Resolve trading partner disputes
• Validate access control enforcement

Audit logs provide defensible evidence during:

• Regulatory audits
• Litigation discovery
• Data breach investigations
• Internal compliance reviews

Organizations that cannot produce complete audit records often face significant fines and reputational damage, even when the underlying security controls were adequate.

An audit trail is not just operational visibility — it is legal and compliance protection.

Audit Trails in Managed File Transfer (MFT)

In MFT environments, audit logging is a core security function.

Enterprise platforms log:

• Successful and failed authentication attempts
• File-level metadata (name, size, checksum/hash)
• Transfer duration and throughput
• Encryption methods used
• Role-based access control changes
• Workflow executions
• Administrative actions

In TDXchange, audit logs are:

• Immutable (append-only, tamper-resistant)
• Centralized across clustered deployments
• Retained based on configurable policies
• Exportable via API or SIEM integration

This ensures consistent traceability across Active-Active or Active-Passive environments.

Common Use Cases for Audit Trails

Audit trails support multiple operational and regulatory scenarios:

• Regulatory Compliance Audits – Demonstrating access control and file transfer tracking
• Forensic Investigations – Reconstructing attack timelines and identifying compromised credentials
• Trading Partner Dispute Resolution – Verifying timestamps, delivery confirmations, and checksums
• SLA Monitoring – Validating transfer volumes and success rates
• Insider Threat Detection – Identifying unusual download patterns or off-hours activity

For organizations in healthcare, finance, retail, manufacturing, and government, audit logs are mandatory evidence artifacts.

Best Practices for Audit Trail Management

To ensure audit readiness:

• Retain logs for the full regulatory horizon (often 1–7 years depending on industry)
• Store logs in append-only or write-once storage
• Separate log storage from operational file systems
• Capture full context (identity, IP, protocol, encryption method, file hash, disposition code)
• Integrate with SIEM systems for real-time monitoring
• Automate anomaly detection for suspicious activity
• Test log retrieval and reporting processes quarterly

TDXchange supports centralized log management and secure export mechanisms to simplify compliance reporting.

Compliance and Regulatory Alignment

Audit trails are explicitly required across major regulatory frameworks:

• PCI DSS v4.0 (Requirement 10.2) – Log all access to cardholder data and administrative actions
• HIPAA Security Rule (§164.312(b)) – Implement activity review controls
• GDPR (Article 30) – Maintain records of processing activities
• SOC 2 (CC7.2) – Monitor and log system activity
• SEC and financial regulations – Require extended record retention

Auditors typically examine audit logs first to validate:

• Access controls
• Encryption enforcement
• File handling practices
• Incident response capability

Immutable logging, such as that implemented in TDXchange, strengthens evidentiary defensibility.

Frequently Asked Questions

What is the purpose of an audit trail?

An audit trail provides a tamper-resistant record of system activity for compliance, security monitoring, and dispute resolution.

Are audit logs required for compliance?

Yes. Most regulatory frameworks mandate logging of user access, administrative actions, and data transfer activity.

What does “immutable audit log” mean?

An immutable log cannot be modified or deleted after creation, ensuring records remain trustworthy and defensible.

How long should audit logs be retained?

Retention requirements vary by industry but commonly range from 1 to 7 years for regulated organizations.

The verification of the source (identity), uniqueness, and integrity (unaltered contents) of a message.

The final recipient communicates with the data source, expressing intent to regularly integrate new information into its back-end system ("agreement to synchronise"). For case items, it expresses the intent to trade the item. Note: Authorization works on the basis of GTIN level and GLN of information provider and target market and is sent once for each GTIN.

Refers to electronic commerce conducted between companies and almost exclusively involves system-to-system interactions. In contrast, business-to-consumer is typically system-person interactions. B2B includes products, services and systems such as eMarketplaces, supply chains and EDI products and services.

What Is B2B Integration?

B2B Integration (Business-to-Business Integration) is the automated exchange of data and documents between organizations using secure protocols, standardized formats, and workflow orchestration.

In a Managed File Transfer (MFT) environment, B2B integration connects trading partners through:

• Secure protocols (AS2, AS4, SFTP, FTPS, HTTPS, APIs)
• Authentication and encryption controls
• Data validation and transformation processes
• Automated routing and delivery confirmation

Within TDXchange, B2B integration is managed through configurable partner profiles, centralized monitoring, and workflow automation — eliminating the need for custom-coded point-to-point connections.

Why Is B2B Integration Important?

Organizations exchanging high volumes of business documents — such as purchase orders, invoices, shipping notices, or healthcare claims — cannot rely on manual file handling.

Without automation:

• Partner onboarding takes weeks
• Failed transfers require manual troubleshooting
• Delivery disputes are difficult to resolve
• Compliance documentation becomes fragmented

Effective B2B integration:

• Reduces onboarding time from weeks to hours
• Automates delivery confirmation and retries
• Improves visibility across partner networks
• Strengthens compliance and audit readiness
• Scales to hundreds or thousands of partners

For enterprises managing complex supply chains or regulated data exchange, B2B automation is operational infrastructure — not convenience.

How B2B Integration Works in MFT

Modern B2B integration platforms connect three primary layers:

1. Protocol Layer

Handles partner connectivity using supported standards:

• AS2
• AS4
• SFTP
• FTPS
• HTTPS
• REST APIs

Each trading partner connects using their preferred or mandated protocol.

2. Transformation Layer

Converts data between formats, such as:

• XML
• EDI X12
• EDIFACT
• JSON
• CSV

This ensures compatibility between partner systems and internal ERP or business applications.

3. Orchestration Layer

Manages workflows including:

• File validation
• Content transformation
• Routing to internal systems
• Sending acknowledgments
• Archiving for compliance

In TDXchange, administrators configure these workflows through structured partner profiles rather than building custom integrations from scratch.

B2B Integration in TDXchange

Within TDXchange, B2B integration includes:

• Centralized partner profile management
• Secure credential and certificate handling
• Automated retries and delivery confirmations
• Real-time monitoring and alerts
• Immutable audit logging for compliance
• Integration with ERP, CRM, and backend systems via API

TDXchange handles the secure transport and reliability layer while business logic and workflows remain configurable and visible.

This reduces operational overhead and accelerates partner onboarding.

Common Use Cases

B2B integration supports diverse industries:

• Supply Chain and Manufacturing – Automated exchange of shipping notices, production schedules, and inventory updates
• Healthcare – HIPAA-compliant claims and remittance processing (837 and 835 transactions)
• Financial Services – Secure exchange of payment files and settlement documents
• Retail and E-Commerce – Order processing and fulfillment coordination
• Pharmaceutical and Regulatory Reporting – Serialization data exchange with regulators

High-volume environments may process tens of thousands of partner transactions daily across multiple regions and protocols.

Best Practices for B2B Integration

To optimize scalability and reliability:

• Standardize onboarding templates by protocol type
• Provide sandbox environments for partner testing
• Automate certificate and key rotation tracking
• Implement fallback routing for endpoint failures
• Monitor partner-specific SLAs and transfer thresholds
• Maintain centralized audit logging for dispute resolution

TDXchange supports configurable workflows and monitoring dashboards to simplify these controls.

Real-World Example

A global automotive supplier manages B2B integration with over 300 manufacturing facilities across 40 countries.

Their TDXchange deployment processes more than 25,000 files daily, including:

• Production schedules
• Quality certifications
• Shipping manifests

Regional partners use different protocols:

• OFTP2 in Europe
• SFTP in Asia
• AS2 in North America

The platform automatically transforms incoming data into a standardized JSON format for ERP integration, eliminating manual data entry and reducing processing time significantly.

Frequently Asked Questions

What is B2B integration in file transfer?

B2B integration automates secure data exchange between organizations using standardized protocols, transformation logic, and workflow orchestration.

What protocols are used for B2B integration?

Common protocols include AS2, AS4, SFTP, FTPS, HTTPS, and REST APIs.

How does B2B integration improve compliance?

It provides centralized logging, delivery confirmation, encryption enforcement, and audit-ready transaction tracking.

Is B2B integration the same as EDI?

EDI is one format used in B2B integration. B2B integration includes protocol handling, transformation, routing, and monitoring beyond just document formatting.

was made popular through the enormous visibility of companies such as amazon.com, eToys, eBay and others. B2C involves system-person interactions typically through a browser connected to a web site. Many of the products built for this market were also used in early B2B implementations, however the lack of back office integration allowing system-to-system interaction between companies has became the bane of this technology set. See B2B above.

Most network designs, whether local, metropolitan or wide-area have a system of interconnected hubs where spokes reaching out to lower speed hubs which have spokes that reach out to users (or even lower speed hubs that have spokes that reach out to users, etc). The backbone refers to the series of hub-to-hub connections and the network devices that connect them to form the major

The maximum amount of data that can be sent through a connection; usually measured in bits per second.

The process whereby a server application and its client are joined across a network through a simple proprietary protocol that typically acknowledges the presence of the other, performing rudimentary security and version control, for example.

A Microsoft-sponsored set of guidelines for publishing XML schemas and using XML messaging to integrate enterprise software programs. BizTalk is part of that company's current thrust around dot-Net technologies. May be 'dead-on-arrival' because its success requires applications vendors to adopt BizTalk technologies that had been developed without their participation, something Oracle, SAP and Siebel, for example, have been loathe to do in the past.

A synchronous messaging process whereby the requestor of a service must wait until a response is received. See async.

A message queue that resides in memory.

A specialized networking device that automates the execution of specific business process(es) and appropriate routing and or transformation algorithm(s), given a business document.

Certifying Authority or Certificate Authority refers to a secure server that signs end-user certificates and publishes revocation data. Before issuing a certificate, the CA follows published policies to verify the identity of the trading partner that submitted the certificate request. Once issued, other trading partners can trust the certificate based upon the trust placed in the CA and its published verification policy. See certificate.

Component Object Model - Microsoft's standard for distributed objects. Com is an object encapsulation technology that specifies interfaces between component objects within a single application or between applications. It separates the interface from the implementation and provides APIs for dynamically locating objects and for loading and invoking them.

Common Object Request Broker Architecture - a standard maintained by the OMG.

The Collaborative Planning, Forecasting and Replenishment (CPFR) offering will enable collaboration among all supply-chain-related activities. This collaboration will include setting common cross-enterprise goals and performance measures, creating category/item goals across partners and collaborating on sales and order forecasts. Performance will be monitored as collaborative activities are executed providing participants with the ability to evaluate partners. (www.cpfr.org)

Common Programming Interface-Communications IBM's SNA peer-to-peer API that can run over SNA and TCP/IP. It masks the complexity of APPC.

A catalog is like the telephone yellow pages, only it is electronic and includes much more explicit detail on products and services offered by suppliers. With a simple click of a mouse, a buyer can access a catalogue and obtain a global list of suppliers and their products. The catalogue is divided into several different layers of data ranging from category and product type to length and width details. A buyer can look for product information on a catalogue search engine similar to the Internet's Yahoo or Netscape Navigator. Once the buyer types in the key words, moments later he or she has a comprehensive listing of suppliers, categories and product data.

A classification assigned to an item that indicates the higher level grouping to which the item belongs. Items are put into logical like groupings to facilitate the management of a diverse number of items. Category Hierarchy: The classification of products by department, category and subcategory; for example, "Bakery, Bakery Snacks, Cakes."

Structured grouping of category levels used to organise and assign products. Collaboration Arrangement: The process in which a seller and a buyer form a collaborative partnership. The collaboration arrangement establishes each party's expectations and what actions and resources are necessary for success.

What Is Centralized Control in Managed File Transfer?

Centralized control in Managed File Transfer (MFT) refers to a unified management layer that governs file transfers, partner configurations, security policies, workflows, and user access from a single interface.

Instead of managing multiple servers or siloed systems, administrators operate from one control plane that oversees the entire file transfer environment.

In TDXchange, centralized control is both a flexible user interface and an architectural principle. All features — including protocol handling, security enforcement, audit logging, workflow automation, and partner onboarding — are managed through a unified control layer.

Why Centralized Control Matters

In distributed environments, fragmented management creates:

• Configuration drift
• Delayed troubleshooting
• Inconsistent security enforcement
• Compliance risk

Centralized control provides:

• Real-time visibility into every transfer and node
• Consistent enforcement of encryption and authentication policies
• Simplified partner onboarding and modification
• Immediate access to searchable, immutable audit logs
• Faster incident response

When auditors request proof of a transaction from months prior, centralized control allows administrators to retrieve records in seconds — not days.

How Centralized Control Works in TDXchange

TDXchange centralizes management through a master configuration database and unified administrative interface.

Administrators can control:

• Partner profiles and connectivity settings (SFTP, AS2, AS4, HTTPS, APIs)
• Workflow automation and routing rules
• Retry policies and scheduling
• Encryption standards and certificate management
• Role-based access controls
• Audit reporting and compliance exports

Flexible UI in Standalone and Clustered Deployments

TDXchange provides a flexible web-based UI that allows full administrative control in both:

• Standalone deployments (single-node environments)
• Clustered deployments (Active-Active or Active-Passive architectures)

In clustered environments, the centralized UI manages:

• Node synchronization
• Configuration parity
• Health monitoring
• Failover visibility
• Unified logging across nodes

Changes made through the UI propagate consistently across the environment, ensuring configuration alignment without manual server adjustments.

Need to rotate a certificate, update a whitelist, modify a workflow, or adjust scheduling?
Make the change once — TDXchange synchronizes the rest.

Centralized Control in Enterprise MFT Environments

Enterprise file transfer ecosystems often span:

• Multiple data centers
• Hybrid cloud environments
• DMZ relay servers
• Global partner networks

TDXchange centralizes these components under a single control framework, ensuring:

• Policy consistency
• Credential synchronization
• Unified monitoring
• Consolidated compliance reporting

This reduces operational overhead and strengthens governance.

Common Use Cases

Centralized control is especially valuable for:

• Multi-Partner B2B Operations – Managing hundreds of vendors with different protocols and SLAs
• Regulated Industries – Maintaining HIPAA, PCI DSS, SOX, or GDPR compliance
• Post-M&A Consolidation – Replacing fragmented file transfer tools with a unified platform
• Global Manufacturing – Coordinating real-time data exchange across multiple time zones
• Managed Service Providers (MSPs) – Overseeing multiple client environments from a single interface

Best Practices for Centralized MFT Management

To maximize governance and scalability:

• Use hierarchical role-based administration
• Standardize partner configuration templates
• Enable automated alerting for failures or policy violations
• Embed approval workflows into onboarding processes
• Export configuration snapshots for backup and disaster recovery
• Regularly review configuration changes for policy drift

TDXchange supports granular administrative roles, change tracking, and centralized alert routing to security and compliance teams.

Frequently Asked Questions

What is centralized control in MFT?

It is a unified management layer that allows administrators to configure, monitor, and secure all file transfer operations from a single interface.

Does centralized control work in clustered environments?

Yes. In TDXchange, centralized control applies to both standalone and clustered deployments, maintaining synchronization across nodes.

Why is centralized control important for compliance?

It ensures consistent policy enforcement, centralized logging, and rapid access to audit records required during regulatory reviews.

Can centralized control reduce operational risk?

Yes. It minimizes configuration drift, simplifies troubleshooting, and ensures uniform security standards across environments.

Refers to a public key certificate. Certificates are issued by a certification authority (CA), which includes adding the CA's distinguished name, a serial number and starting and ending validity dates to the original request. The CA then adds its digital signature to complete the certificate. See CA and digital signature.

What Is a Certificate Authority (CA)?

A Certificate Authority (CA) is a trusted third party that issues and digitally signs certificates used to verify the identity of servers, users, and trading partners during secure communications.

In Managed File Transfer (MFT) environments, Certificate Authorities validate the authenticity of:

• SFTP servers
• FTPS endpoints
• AS2 trading partners
• HTTPS connections
• API integrations

Every secure file transfer session relies on digital certificates signed by a trusted CA to prevent impersonation and unauthorized interception.

Why Is a Certificate Authority Important?

Without certificate validation, systems cannot verify the identity of the endpoint they are connecting to.

If certificate validation is disabled or misconfigured, organizations risk:

• Man-in-the-middle (MITM) attacks
• Data interception
• Credential compromise
• Regulatory violations

The CA’s digital signature acts as proof that:

• The server or partner identity has been verified
• The certificate is legitimate
• The encryption session is trustworthy

Proper CA validation protects sensitive file transfers such as payroll data, financial transactions, healthcare records, and confidential business documents.

How a Certificate Authority Works

A Certificate Authority operates using Public Key Infrastructure (PKI).

Certificate Issuance Process:

1. A server or organization generates a key pair (public and private key).
2. A Certificate Signing Request (CSR) is submitted to the CA.
3. The CA verifies identity (domain validation, organizational validation, or internal approval).
4. The CA signs the certificate using its trusted root certificate.
5. The signed certificate is installed on the server.

Trust Validation During File Transfer:

When your MFT platform connects to a partner endpoint:

• It receives the partner’s digital certificate.
• It checks whether the certificate was signed by a trusted CA in its trust store.
• It validates expiration dates and revocation status (via CRL or OCSP).
• If validation passes, the secure connection is established.

If validation fails, the connection should be rejected.

Certificate Authorities in Managed File Transfer (MFT)

Enterprise MFT platforms maintain a trust store containing root and intermediate CA certificates.

Organizations typically trust:

• Public CAs (e.g., DigiCert, Let’s Encrypt) for external trading partners
• Private/internal CAs for internal B2B or corporate environments

In TDXchange, administrators manage:

• Trusted CA certificates
• Partner certificates
• Certificate expiration monitoring
• Revocation checking
• Certificate lifecycle updates

In clustered deployments, TDXchange synchronizes certificate and trust store updates across all nodes to maintain consistent validation.

Effective PKI management becomes critical at scale, particularly when supporting dozens or hundreds of trading partners.

Common Use Cases

Certificate Authorities are used in:

• Banking and Financial Services – Managing certificate chains for AS2 trading partners
• Healthcare Networks – Automating FTPS certificate renewal via public CAs
• Retail Supply Chains – Supporting multiple partner CAs while enforcing strict validation
• Manufacturing Enterprises – Segregating internal CAs by development, testing, and production environments

Organizations often maintain 15–30 trusted CA certificates in production MFT environments.

Best Practices for CA Management in MFT

To maintain secure and compliant operations:

• Maintain separate trust stores for public and private CAs
• Automate certificate renewal and deployment
• Monitor certificate expiration proactively
• Enable CRL or OCSP validation to detect revoked certificates
• Test certificate updates in non-production environments
• Avoid disabling certificate validation to “fix” connectivity issues

Improper certificate validation is a common root cause of security breaches.

Compliance and Regulatory Alignment

Certificate validation supports compliance across major frameworks:

• PCI DSS v4.0 – Requires strong cryptography and secure transmission practices
• HIPAA Security Rule – Requires safeguards for protecting electronic health information
• GDPR – Requires appropriate technical measures to protect personal data
• Financial regulations – Increasingly require certificate pinning for critical systems

Regulators expect documented processes for certificate issuance, validation, rotation, and revocation management.

Frequently Asked Questions

What does a Certificate Authority do?

A CA verifies identities and signs digital certificates used to establish trusted encrypted connections.

What happens if certificate validation is disabled?

Disabling validation increases the risk of man-in-the-middle attacks and unauthorized data interception.

What is the difference between a public and private CA?

Public CAs are trusted globally and used for internet-facing systems. Private CAs are managed internally for corporate environments.

How often should certificates be renewed?

Public certificates often expire every 90–398 days. Automated monitoring and renewal are recommended to prevent outages.

An uncertified public key created by a trading partner as part of the Rivest Shamir Adleman (RSA) key-pair generation. The certificate request must be approved by a certification authority (CA), which issues a certificate, before it can be used to secure data. See CA, public key, RSA, trading partner, and uncertified public key.

What Is Checksum Validation?

Checksum validation is a file integrity verification method that ensures a file has not been altered, corrupted, or tampered with during transmission or storage.

In Managed File Transfer (MFT) systems, a checksum is a cryptographic hash value generated from a file’s contents. If even a single byte changes, the checksum value changes.

Enterprise MFT platforms such as TDXchange use checksum validation to compare hash values at the sender and receiver endpoints, confirming that files arrive exactly as transmitted.

Why Is Checksum Validation Important?

File transfers can fail silently due to:

• Network interruptions
• Packet loss
• Storage corruption
• Encryption or decryption errors
• Hardware faults

Without checksum validation, corrupted data may enter production systems unnoticed.

For example:

• A financial institution transmitting payment files risks transaction errors.
• A healthcare organization transferring patient records risks compliance violations.
• A manufacturer sharing CAD files risks production disruption.

Checksum validation provides automated proof that the file delivered matches the file sent.

Within TDXchange, checksum validation is embedded into critical workflow stages and cannot be bypassed for secure transfer operations.

How Checksum Validation Works

When a file transfer begins:

1. TDXchange generates a cryptographic hash (e.g., SHA-256 or SHA-512) for the original file.
2. The file is transmitted securely using protocols such as SFTP, AS2, FTPS, or HTTPS.
3. Upon receipt, TDXchange recalculates the checksum on the received file.
4. The two hash values are compared.

• If the checksums match → the file is verified as intact.
• If they do not match → the file is flagged, quarantined, and retried automatically.

Depending on the protocol:

• SFTP may use SSH-based integrity extensions
• AS2 includes validation within signed MDNs
• FTPS may validate through control channel integrity checks

TDXchange ensures hashing algorithms and validation methods are synchronized before transfer to prevent mismatches.

Checksum Validation in TDXchange

TDXchange applies integrity validation at multiple stages:

• Pre-transfer – Hash values are calculated and logged
• During transfer – Partial checksums support resumable transfers
• Post-delivery – Files are revalidated before downstream workflows execute
• Post-decryption – Validation ensures encryption layers did not introduce corruption

Checksum values are recorded in immutable audit logs, providing verifiable proof of file integrity for compliance and forensic review.

Common Use Cases

Checksum validation is critical in:

• Healthcare EDI – Protecting patient records and claim submissions
• Financial Services – Ensuring payment files and regulatory submissions remain intact
• Manufacturing – Validating large engineering files and BOM data
• Media Distribution – Confirming multi-gigabyte video file integrity
• Pharmaceutical Research – Safeguarding clinical trial data transfers

In high-volume environments, automated integrity checks prevent operational disruption and compliance exposure.

Best Practices for Checksum Validation

To ensure reliable integrity verification:

• Use strong hashing algorithms (SHA-256 or SHA-512)
• Avoid deprecated algorithms such as MD5
• Store checksum values separately in secure audit logs
• Validate before and after encryption/decryption processes
• Automate validation to prevent manual override
• Monitor and alert on checksum mismatches

TDXchange enforces system-driven checksum validation to prevent accidental or intentional bypass.

Compliance and Regulatory Alignment

Checksum validation supports integrity requirements across regulatory frameworks:

• PCI DSS 4.2.1 – Protect cardholder data in transit
• HIPAA (45 CFR §164.312(c)(1)) – Safeguards to protect ePHI integrity
• SOC 2 CC6.7 – Data integrity verification during processing
• Financial regulatory frameworks – Require accurate and verifiable reporting

TDXchange’s immutable audit reports provide auditable proof that files were transmitted without alteration.

Real-World Example

A global pharmaceutical company uses TDXchange to transmit clinical trial data multiple times per day to regulatory analysis centers.

Each batch:

• Generates SHA-512 checksums prior to encryption
• Transmits via SFTP
• Validates integrity after decryption at the destination

When checksum mismatches occur, automated alerts notify IT and compliance teams, preventing corrupted data from entering regulated analysis systems.

Frequently Asked Questions

What does checksum validation do?

It verifies that a file received is identical to the file sent by comparing cryptographic hash values.

What happens if a checksum fails?

The file is flagged as corrupted, quarantined, and typically retried automatically.

Which algorithms are used for checksums?

Modern systems use SHA-256 or SHA-512. Older algorithms like MD5 are considered insecure.

Is checksum validation required for compliance?

Yes. Many regulations require safeguards to ensure transmitted data is not altered.

What Is a Cipher Suite?

A cipher suite is a predefined combination of cryptographic algorithms used to secure a connection during a TLS, FTPS, HTTPS, or SSH session.

A cipher suite defines:

• Key exchange method
• Authentication algorithm
• Bulk encryption algorithm
• Message integrity mechanism

In Managed File Transfer (MFT) systems, cipher suites are negotiated during the connection handshake and determine how data is encrypted and protected during file transfer.

Why Are Cipher Suites Important?

Cipher suite configuration directly affects:

• Data confidentiality
• Protection against interception
• Resistance to downgrade attacks
• Regulatory compliance

If weak cipher suites are enabled (such as 3DES, RC4, or static RSA key exchange), attackers may:

• Decrypt intercepted traffic
• Exploit downgrade vulnerabilities
• Impersonate trading partners
• Compromise sensitive data

In regulated industries, misconfigured cipher suites are a common audit failure.

Strong cipher suite management ensures that sensitive files — including payment data, healthcare records, and financial reports — are protected with modern cryptographic standards.

How Cipher Suite Negotiation Works

During a TLS or SSH handshake:

1. The client sends a prioritized list of supported cipher suites.
2. The server selects the strongest mutually supported suite.
3. A secure session is established using the selected algorithms.

Example cipher suite:

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

This indicates:

• ECDHE – Ephemeral key exchange (provides Perfect Forward Secrecy)
• RSA – Authentication mechanism
• AES-256-GCM – Encryption algorithm
• SHA-384 – Integrity verification

Modern best practice favors:

• Ephemeral key exchange (ECDHE)
• AEAD ciphers (AES-GCM or ChaCha20-Poly1305)
• TLS 1.2 or TLS 1.3

Legacy options such as CBC-mode ciphers and static RSA key exchange increase risk exposure.

Cipher Suites in Managed File Transfer (MFT)

In enterprise MFT environments, cipher suite control is critical for:

• SFTP (SSH cipher negotiation)
• FTPS and HTTPS (TLS cipher negotiation)
• AS2 and AS4 secure connections

Within TDXchange, administrators can:

• Define approved cipher suite lists
• Set cipher priority order
• Disable deprecated algorithms
• Enforce minimum TLS versions
• Monitor negotiated cipher suites in logs

In clustered deployments, cipher suite policies are centrally managed and synchronized across nodes to prevent configuration drift.

Compliance and Regulatory Alignment

Cipher suite management supports regulatory frameworks including:

• PCI DSS v4.0 (Requirement 4.2.1) – Requires strong cryptography for cardholder data transmission
• HIPAA (§164.312(e)(2)(ii)) – Requires encryption safeguards for ePHI
• CMMC Level 2 – Requires FIPS-validated cryptographic modules
• SOC 2 – Evaluates encryption configuration and transport security controls

Auditors frequently review TLS configurations and negotiated cipher suites during assessments.

Enabling weak or deprecated cipher suites may result in compliance findings.

Common Use Cases

Cipher suite enforcement is critical in:

• Healthcare EDI Gateways – Restricting connections to TLS 1.2+ with AEAD ciphers
• Financial Institutions – Whitelisting ECDHE-based suites to ensure Perfect Forward Secrecy
• Government Contractors – Enforcing FIPS-approved cipher configurations
• Retail and Payment Processors – Blocking legacy cipher suites to prevent downgrade attacks

High-assurance environments often maintain strict cipher whitelists.

Best Practices for Cipher Suite Management

To maintain strong encryption posture:

• Prioritize AEAD ciphers (AES-GCM, ChaCha20-Poly1305)
• Disable 3DES, RC4, and other deprecated algorithms
• Remove static RSA key exchange suites
• Enforce TLS 1.2 or TLS 1.3 minimum
• Test partner compatibility before deprecating legacy suites
• Monitor negotiated cipher suites in connection logs
• Conduct annual cryptographic reviews

TDXchange provides centralized cipher suite configuration and logging to simplify policy enforcement.

Frequently Asked Questions

What is the purpose of a cipher suite?

A cipher suite defines how encryption, authentication, and integrity protection are applied during a secure connection.

What is a downgrade attack?

A downgrade attack forces systems to use weaker encryption during negotiation, increasing vulnerability to decryption or interception.

What cipher suites are considered secure?

Modern secure suites use ECDHE key exchange with AES-GCM or ChaCha20-Poly1305 under TLS 1.2 or TLS 1.3.

Are cipher suites reviewed during audits?

Yes. Compliance assessments often include validation of TLS versions and enabled cipher suites.

What Is Clustering in Managed File Transfer?

Clustering in Managed File Transfer (MFT) is the practice of connecting multiple MFT nodes so they operate as a single logical system.

In a clustered environment:

• Multiple nodes accept partner connections
• File transfers are distributed across nodes
• Shared state is maintained through a central database and shared storage
• The environment continues operating even if individual nodes fail

Within TDXchange, clustering supports both traditional infrastructure deployments and Kubernetes-based containerized environments.

Why Is Clustering Important?

Organizations supporting thousands of trading partners and 24/7 file exchange cannot rely on a single server.

Clustering provides:

• Protection against node or host failures
• Zero-downtime maintenance and rolling upgrades
• Horizontal scalability for growing transfer volumes
• SLA protection in high-volume environments

Many enterprise TDXchange deployments process 500,000+ file transfers per day. At that scale, even short outages can result in financial, regulatory, and operational consequences.

Clustering transforms MFT from a standalone application into resilient infrastructure.

How Clustering Works in TDXchange

TDXchange cluster nodes share:

• Configuration data
• Partner credentials
• Encryption policies
• Transfer state information
• Audit logs

This is typically achieved through:

• A centralized database or database cluster
• Shared storage (SAN, NFS, or strongly consistent object storage)

Connection Flow

When a trading partner connects:

1. A load balancer (or Kubernetes service) routes the session to an available node.
2. The node processes the transfer and updates shared state in real time.
3. If a node fails mid-transfer, checkpoint restart allows another node to resume processing.

Session Handling

File transfers are long-running and stateful. TDXchange supports:

• Sticky sessions at the load balancer
• Externalized session state where required
• Coordinated failover mechanisms

This prevents disruption during large transfers (e.g., 50GB+ files).

Kubernetes-Based Clustering

TDXchange supports containerized deployments within Kubernetes environments.

In Kubernetes:

• Nodes scale horizontally based on demand
• Health checks and restarts are automated
• Pod orchestration replaces manual provisioning
• Services distribute traffic across active nodes

TDXchange maintains transfer state awareness and continuity while Kubernetes manages infrastructure-level orchestration.

This allows enterprises to integrate MFT into modern DevOps and cloud-native architectures.

Clustering vs Stateless Web Applications

Clustering in MFT differs from web application clustering.

Web apps are typically stateless. File transfers are:

• Long-running
• Stateful
• Dependent on checkpoint tracking
• Sensitive to mid-session interruption

TDXchange clustering is specifically engineered to manage transfer state safely across nodes.

Clustering Models Supported by TDXchange

TDXchange supports:

• Active-Active Clusters – All nodes process transfers concurrently
• Active-Passive Clusters – Standby nodes assume control during failure

In both models, centralized configuration and audit logging remain synchronized across the environment.

Common Use Cases

Clustering is critical in industries requiring continuous availability:

• Financial Services – Payment processing and trade reconciliation across data centers
• Healthcare – Maintaining HIPAA-compliant data exchange during infrastructure outages
• Retail – Scaling clusters during peak periods (e.g., Black Friday volumes exceeding 1 million transfers daily)
• Manufacturing – Supporting geographically distributed supplier ecosystems
• Government – Ensuring availability for regulated reporting systems

Best Practices for MFT Clustering

To ensure reliability and scalability:

• Use strongly consistent shared storage
• Configure sticky sessions for SFTP and FTPS
• Monitor node-to-node latency and database replication
• Test failover under real transfer loads
• Size clusters for N+1 redundancy at peak volume
• Conduct periodic resilience testing and upgrade simulations

TDXchange provides centralized monitoring, health visibility, and synchronization controls to support these practices.

Frequently Asked Questions

What is clustering in MFT?

Clustering connects multiple MFT nodes into a unified system for high availability and scalability.

Can clustering eliminate downtime?

Clustering significantly reduces downtime by allowing failover and maintenance without service interruption.

Does TDXchange support Kubernetes?

Yes. TDXchange supports containerized deployments managed through Kubernetes orchestration.

What is the difference between Active-Active and Active-Passive clustering?

Active-Active uses multiple live nodes simultaneously. Active-Passive maintains standby nodes that activate during failure.

Some systems of cryptographic hardware require arming through a secret-sharing process and require that the last of these shares remain physically attached to the hardware in order for it to stay armed. In this case, "common key" refers to this last share. It is not assumed secure, as it is not continually in an individual's possession.

Software that provides inter-application connectivity based on communication styles such as message queuing, ORBs and publish/subscribe. IBMÕs MQseries is a Message-Oriented Middleware (MOM) product.

A formally defined system for controlling the exchange of information over a network.

Connectionless communications do not require a dedicated connection between applications. The Internet and the US Postal System are both connectionless systems. Packets of information or envelopes are inserted in one end of the system. Each packet has a destination address which is read by network devices that in turn forward the packet closer to its destination. Packets can be lost, received out of sequence or easily duplicated. The receiving application must have the intelligence to check sequence, eliminate duplications and request missing packets. Network resources are consumed only for the duration of the packet processing. In contrast, the telephone network is a connection-oriented system. Both ends of the phone call must be available for communications at the time of the session and network resources are consumed for the duration of the call.

Content switches are a nominal improvement over Routing Switches which are a nominal improvement over IP routers. Routing Switches can inspect packet addressing details through functionality imbedded in silicon, operating at many times the speed of equivalent general purpose, multi-protocol IP routers. As an extension to routing switches, content switches can inspect packet headers to determine protocol used http or https for example. Https packets require more processing since they need to be decrypted and typically involve purchasing transactions. Being able to switch traffic across a group of servers addresses a particular problem in server farms where a content switch can balance the load, improving customer satisfaction.

Going beyond the framework of content switching, it is increasingly important to know the context of a document. Knowing that this document is an invoice related to that purchase order, for example, is at the heart of what inter-business process management systems need to address. Furthermore, being able to apply routing algorithms that vary based on information contained within the document goes far beyond the traditional routing and even the more modern content routing paradigms.

The ANSI ASC X12 standards body has defined the CICA (pronounced "see-saw") as a method for creating syntax-neutral business messages. Business messages can be broken down into constituent components which can be reused in a variety of different formats - X12, EDIFACT or RosettaNet for example.

GTIN and/or GLN catalogue administered by an EAN Member Organisation. Commonly referred to as country data pools.

The mathematical science used to secure the confidentiality and authentication of data by replacing it with a transformed version that can be reconverted to reveal the original data only by someone holding the proper cryptographic algorithm and key.

Customer Relationship Management (CRM) is the function of integrating systems that relate to the customer quite literally everything from marketing through sales to accounts receivable, bill collection and customer support call center systems into a single business system. Siebel successfully transformed (through acquisition and good marketing) their sales force automation market leadership into CRM system leadership. Many CRM projects gave rise to the requirement for EAI products.

Distributed Computing Environment from the Open Software Foundation, DCE provides key distributed technologies such as RPC, distributed naming service, time synchronization service, distributed file system and network security.

Digital Encryption Standard. A standard, U.S. Government symmetric encryption algorithm that is endorsed by the U.S. military for encrypting unclassified, yet sensitive information. The Data Encryption Standard is a block cipher, symmetrical algorithm (extremely fast) that uses the same private 64-bit key for encryption and decrypting. This is a 56- bit DES-CBC with an Explicit Initialization Vector (IV). Cipher Block Chaining (CBC) requires an initialization vector to start encryption. The IV is explicitly given in the IPSec packet. See triple DES, and symmetric algorithm.

What Is a DMZ in File Transfer Architecture?

A DMZ (Demilitarized Zone) is an isolated network segment positioned between external networks (such as the internet) and an organization’s internal systems.

In Managed File Transfer (MFT) environments, the DMZ hosts externally facing components such as SFTP, HTTPS, AS2, or FTPS endpoints, while preventing direct access to internal file repositories and core systems.

A properly designed DMZ creates a controlled buffer zone enforced by firewalls on both sides.

Why Is a DMZ Important?

Without a DMZ, external trading partners would connect directly to internal MFT servers, exposing critical infrastructure to internet-based threats.

A DMZ provides:

• Network segmentation
• Reduced attack surface
• Containment of external-facing vulnerabilities
• Compliance alignment with PCI DSS and other regulations
• Protection of internal file repositories and databases

If a DMZ endpoint is compromised, attackers remain isolated from internal systems by additional firewall controls.

For regulated industries, DMZ architecture is often a mandatory security control.

How a DMZ Works in MFT Environments

A traditional DMZ architecture includes three zones:

1. External Zone – Internet or partner connections
2. DMZ Zone – Semi-trusted external-facing servers
3. Internal Zone – Trusted application and data systems

Traffic Flow Model

• External firewall allows inbound traffic only on approved ports (e.g., 22, 443).
• DMZ servers terminate protocol sessions and authenticate connections.
• A second internal firewall strictly controls traffic into the trusted zone.

In secure designs, internal systems do not accept unsolicited inbound connections from the DMZ.

DMZ Architecture with TDXchange and bTrade Relay

bTrade provides a dedicated Relay application designed for deployment within the DMZ.

Relay Deployment Model

• The Relay server resides in the DMZ.
• The TDXchange core instance resides in the internal trusted network.
• Trading partners connect only to the Relay.
• The internal TDXchange instance initiates outbound connections to the Relay for file retrieval and workflow processing.

This outbound-only initiation model enhances security by:

• Eliminating inbound firewall openings into the internal network
• Preventing direct partner access to core MFT servers
• Reducing exposure of internal services
• Maintaining strict network directionality

The Relay handles protocol negotiation and session management, while TDXchange manages workflows, encryption policies, transformation, storage, and audit logging internally.

This architecture aligns with zero-trust and defense-in-depth principles.

DMZ in Managed File Transfer Context

In an MFT deployment using a DMZ:

DMZ Tier (Relay Layer)

• Accepts external SFTP, AS2, HTTPS, FTPS connections
• Performs authentication and protocol termination
• Temporarily stages files
• Minimizes local storage dwell time

Internal Tier (TDXchange Core)

• Initiates secure connections to Relay
• Processes workflows and business logic
• Handles encryption, transformation, and validation
• Maintains immutable audit logs
• Stores files in secure repositories

This separation significantly reduces the risk of lateral movement in the event of a breach.

Common Use Cases

DMZ-based MFT architectures are common in:

• Financial Services – PCI DSS-mandated segmentation between external connections and cardholder data environments
• Healthcare – Protecting PHI repositories while accepting inbound claims and HL7 files
• Retail & Supply Chain – Isolating vendor EDI connections from internal ERP systems
• Manufacturing – Receiving external production data without exposing internal systems
• Government & Defense – Meeting strict network isolation and compliance requirements

Best Practices for DMZ-Based MFT Deployments

To maximize security:

• Use outbound-only connections from internal systems to DMZ components
• Deploy hardened OS images in the DMZ
• Minimize file dwell time in the DMZ (ideally under 60 seconds)
• Use separate service accounts for Relay-to-core communication
• Enable aggressive monitoring and logging on DMZ assets
• Implement file integrity monitoring and intrusion detection
• Regularly test firewall rules and segmentation controls

TDXchange with Relay supports these practices while maintaining centralized control and compliance visibility.

Compliance and Regulatory Alignment

DMZ segmentation supports compliance frameworks including:

• PCI DSS – Requires network segmentation for cardholder data environments
• HIPAA – Encourages safeguards to protect ePHI systems
• SOC 2 – Evaluates logical and physical access controls
• CMMC – Requires boundary protection and controlled external interfaces

Auditors often review DMZ architecture diagrams and firewall rules during assessments.

Frequently Asked Questions

What is the purpose of a DMZ in MFT?

A DMZ isolates externally accessible file transfer endpoints from internal systems to reduce risk exposure.

Does TDXchange require a DMZ?

While not mandatory, deploying TDXchange with bTrade Relay in a DMZ is a recommended best practice for internet-facing environments.

Why does TDXchange initiate connections to Relay?

Outbound initiation from TDXchange to Relay reduces inbound firewall exposure and strengthens network security posture.

Can a DMZ prevent breaches?

A DMZ cannot prevent all attacks, but it limits lateral movement and protects internal systems from direct exposure.

Document Object Model an internal-to-the-application, platform-neutral and language-neutral interface allowing programs and scripts to dynamically access and update the content, structure and style of documents. Typically, XML parsers decompose XML documents into a DOM tree that the application can use to transform or process the data.

IBM's Distributed Relational Database Architecture.

What Is Data Compression in Managed File Transfer?

Data compression in Managed File Transfer (MFT) is the process of reducing file size before transmission to improve transfer speed and reduce bandwidth usage.

Enterprise MFT platforms apply lossless compression algorithms to shrink files without altering their contents. Compression typically reduces file sizes by 40–90%, depending on file type.

Within bTrade solutions:

• TDXchange supports industry-standard compression libraries and proprietary methods.
• TDCompress, bTrade’s proprietary compression technology, delivers high-performance file size reduction optimized for enterprise data exchange.
• TDAccess, a lightweight client available for Windows, Linux, and various mainframe platforms, also supports compression as part of secure file movement workflows.

Why Is Data Compression Important?

Compression directly impacts:

• Transfer speed
• Bandwidth consumption
• Storage utilization
• Cloud egress costs
• SLA compliance

When transferring gigabytes or terabytes of data across WAN links, compression can:

• Reduce multi-hour transfers to minutes
• Lower bandwidth expenses
• Minimize cloud storage and egress charges
• Improve performance across high-latency connections

For high-volume B2B environments, compression is not just an optimization — it is cost control infrastructure.

How Data Compression Works

MFT platforms apply lossless compression algorithms, meaning the original file is fully restored after decompression.

Common compression libraries include:

• GZIP
• ZIP
• BZIP2

In addition, TDCompress provides proprietary optimization within bTrade environments.

Compression Workflow

1. The source file is read into memory or staging.
2. A compression algorithm reduces file size.
3. The compressed file is encrypted (if required).
4. The file is transmitted to the destination.
5. The receiving endpoint automatically decompresses it.

Text-based formats such as:

• CSV
• XML
• JSON
• EDI

often compress by 70–90%.

Already compressed formats (e.g., JPEG, MP4) typically see minimal additional reduction.

Compression in TDXchange and TDAccess

TDXchange

Within TDXchange, compression can be configured:

• Globally
• Per trading partner
• Per workflow
• Based on file size thresholds
• Based on file type

TDXchange supports compression before encryption to maximize efficiency while maintaining strong security controls.

Compression settings are centrally managed through the TDXchange UI in both standalone and clustered deployments.

TDCompress (Proprietary Technology)

TDCompress is bTrade’s proprietary compression engine designed to:

• Optimize large enterprise file transfers
• Improve throughput across constrained networks
• Integrate seamlessly into TDXchange workflows

TDCompress is engineered for performance-sensitive environments where reducing transfer windows is critical.

TDAccess Lightweight Client

TDAccess extends compression capabilities to endpoint systems and supports:

• Windows
• Linux
• Various mainframe platforms

TDAccess enables secure, compressed file transfers directly from distributed environments into TDXchange, improving performance without requiring full MFT server installations.

Common Use Cases

Data compression is commonly used in:

• EDI transmissions – Large purchase orders and invoices over AS2
• Healthcare claims processing – Batch 837 files with tens of thousands of transactions
• Backup and disaster recovery transfers – Large database exports
• Log aggregation workflows – Consolidating multi-server log data
• Manufacturing data exchange – CAD drawings and BOM files
• Cross-border file transfers – Reducing international bandwidth costs

Compression is especially valuable in high-volume or latency-sensitive environments.

Best Practices for Data Compression

To optimize performance:

• Set compression thresholds (e.g., compress files over 1–10 MB)
• Avoid compressing already compressed formats
• Use strong checksum validation before and after compression
• Monitor CPU utilization in high-volume systems
• Test compression ratios with representative datasets
• Align compression settings with partner capabilities

TDXchange supports automated compression policies and integrates integrity validation to ensure reliability.

Compliance and Security Considerations

Data compression must be combined with:

• Encryption in transit (TLS, SSH, AS2, AS4)
• Encryption at rest
• Checksum validation
• Immutable audit logging

Compression does not replace encryption — it complements it.

TDXchange integrates compression with encryption workflows and maintains full audit traceability for compliance reporting.

Real-World Example

A global manufacturer transferred 4.5GB CAD and production schedule files twice daily across a constrained MPLS network.

After enabling compression:

• Files reduced to approximately 800MB
• Transfer time dropped from 90 minutes to 18 minutes
• Additional daily transfer windows were added without increasing bandwidth

Compression was combined with SHA-256 checksum validation to ensure file integrity.

Frequently Asked Questions

Does compression affect file integrity?

No. Lossless compression preserves the original file exactly when decompressed.

Should compression happen before or after encryption?

Compression typically occurs before encryption to maximize efficiency.

Do all file types benefit from compression?

Text-based formats compress well. Media files (JPEG, MP4) typically do not.

Is compression required for compliance?

Compression itself is not required, but when used with encryption and integrity validation, it supports efficient and secure data transfer.

A form of EAI that integrates the different applications' data stores to allow the sharing of information among applications. It requires the loading of data directly into the databases via their native interfaces and does not allow for changes in business logic.

A data source sends a full data set to its home data pool. The data loaded can be published only after validation by the data pool and registration in the global registry. This function covers:

What Is Data Loss Prevention (DLP)?

Data Loss Prevention (DLP) is a security control that monitors, detects, and prevents sensitive information from being transmitted outside authorized channels.

In Managed File Transfer (MFT) environments, DLP inspects outbound files before they are sent to external partners, cloud platforms, or third-party systems.

DLP identifies regulated or confidential data such as:

• Credit card numbers
• Social Security numbers (SSNs)
• Protected health information (PHI)
• Intellectual property
• Confidential financial records

By scanning files in real time, DLP ensures that only authorized and policy-compliant data leaves the organization.

Why Is DLP Important?

Organizations face two major risks:

1. Malicious data exfiltration
2. Accidental data exposure

A single unmasked file containing regulated data can result in:

• Regulatory fines
• Litigation exposure
• Reputation damage
• Mandatory breach notifications

DLP enforcement at the file transfer layer provides a final checkpoint before data leaves the organization.

In enterprise environments, DLP shifts security from reactive incident response to proactive prevention.

How DLP Works in MFT Environments

DLP engines integrate directly into the file transfer workflow.

When a file is submitted for transfer:

1. The file is scanned prior to transmission.
2. The DLP engine applies detection rules including:
   • Pattern matching (e.g., credit cards using Luhn validation)
   • Structured data recognition
   • Lexicon-based keyword analysis
   • Document fingerprinting
3. The file is evaluated against predefined policies.

If policy violations are detected, the system may:

• Block the transfer
• Quarantine the file
• Mask or redact sensitive fields
• Trigger alerts
• Escalate for manual approval

Policy enforcement can vary based on destination trust level or data classification.

DLP in TDXchange

TDXchange integrates with enterprise DLP solutions to monitor critical file transfer flows and ensure only approved data types are transmitted through designated channels.

This enables organizations to:

• Enforce destination-specific policies
• Restrict certain data types to approved trading partners
• Monitor regulated workflows (e.g., PCI, HIPAA)
• Apply stricter controls to high-risk outbound channels

TDXchange supports:

• Pre-transfer validation workflows
• Quarantine zones for flagged files
• Centralized violation reporting
• Integration with immutable audit logs
• Configurable enforcement modes (block, alert, encrypt)

In both standalone and clustered deployments, DLP policies are consistently applied across all nodes.

Common Use Cases

DLP in MFT is commonly deployed in:

• Healthcare – Preventing unauthorized PHI transmission
• Financial Services – Blocking unmasked payment card data
• Manufacturing – Protecting proprietary CAD files and engineering designs
• Legal Services – Safeguarding client-confidential documents
• Human Resources – Preventing accidental sharing of employee records

DLP is especially valuable in high-volume B2B environments where manual review is impractical.

Best Practices for DLP in File Transfer

To implement DLP effectively:

• Begin in detection-only mode before enabling blocking
• Layer policies by severity (regulatory → confidential → advisory)
• Integrate with data classification metadata where available
• Create structured exception workflows for legitimate business cases
• Monitor policy violation trends and adjust detection rules
• Combine DLP with checksum validation and encryption controls

TDXchange’s workflow engine allows DLP enforcement to be embedded directly into automated file processing pipelines.

Compliance and Regulatory Alignment

DLP supports compliance requirements including:

• PCI DSS – Prevent unauthorized transmission of cardholder data
• HIPAA Security Rule – Safeguard ePHI against unauthorized disclosure
• GDPR – Protect personal data during processing and transfer
• SOC 2 – Enforce logical access and data protection controls

By integrating DLP with immutable audit logging, TDXchange provides documented proof of policy enforcement and monitoring.

Real-World Example

A regional health insurer processes thousands of EDI claim files daily through TDXchange.

After integrating DLP:

• 140 policy violations were identified in the first month
• Legacy workflows containing unmasked SSNs were automatically quarantined
• Compliance teams received automated alerts
• Updated tokenization policies were enforced

Today, the organization uses graduated enforcement:

• Block for SSNs
• Alert for diagnosis codes to non-HIPAA partners
• Audit-only monitoring for internal transfers

This layered approach reduced compliance exposure without disrupting business operations.

Frequently Asked Questions

What does DLP prevent?

DLP prevents sensitive data from being transmitted outside approved channels.

Does DLP scan files in real time?

Yes. DLP engines inspect files during the transfer workflow before they are delivered.

Can DLP automatically block transfers?

Yes. Policies can block, quarantine, or escalate flagged files.

Is DLP required for compliance?

While not always explicitly mandated, DLP supports regulatory safeguards required by PCI DSS, HIPAA, GDPR, and SOC 2.

What Is Data Masking?

Data masking is a data protection technique that replaces sensitive information within files with fictitious but structurally valid values.

In Managed File Transfer (MFT) environments, data masking allows organizations to share files for testing, development, analytics, or partner onboarding without exposing real customer or regulated data.

Masked data:

• Maintains original file format
• Preserves structure and field length
• Retains business logic compatibility
• Cannot be reversed (in most implementations)

Unlike encryption, masking removes the original sensitive value rather than protecting it for later decryption.

Why Is Data Masking Important?

Encryption protects data in transit and at rest — but once decrypted, the original sensitive values are exposed.

Data masking addresses scenarios where:

• Developers need realistic file samples
• Third-party vendors require integration testing data
• QA teams must validate processing logic
• Sandbox environments should not contain production data

Masking significantly reduces breach risk by ensuring sensitive data never leaves secure production environments in usable form.

In regulated industries, masking supports data minimization and privacy-by-design principles.

How Data Masking Works

Data masking engines identify sensitive fields using:

• Pattern recognition (e.g., SSNs, credit card numbers)
• Schema definitions
• Data classification tags

Common masking techniques include:

• Substitution – Replacing real values with fictitious equivalents
• Shuffling – Redistributing values across records
• Nulling – Removing values entirely
• Format-preserving masking – Maintaining structure, length, and check digits

For example:

• A credit card number may be replaced with a value that still passes Luhn validation.
• A patient ID may be masked consistently across related files to preserve referential integrity.

Unlike tokenization, masking is typically one-way and irreversible.

Data Masking in TDXchange

Within TDXchange, data masking can be applied at multiple stages in the transfer workflow.

Common implementation patterns include:

• Masking outbound files before sending to non-production environments
• Masking inbound files before routing to development or QA systems
• Creating masked copies for sandbox partner testing
• Applying destination-based rules (production vs test environments)

TDXchange supports:

• Workflow-driven masking policies
• Integration with external data masking tools
• Destination-aware enforcement
• Centralized policy configuration via UI
• Immutable audit logging of masking actions

Masking rules can be automated and embedded directly into file transfer workflows, ensuring consistent enforcement.

Common Use Cases

Data masking is widely used in:

• Healthcare – Sharing HL7 or FHIR test files without exposing patient identifiers
• Financial Services – Masking account numbers and transaction details for development teams
• Retail and EDI Testing – Providing realistic purchase orders without exposing real customer data
• Partner Onboarding – Allowing new trading partners to validate file parsing without receiving live data
• Global Development Teams – Preventing cross-border exposure of regulated personal information

Masking enables realistic testing while maintaining compliance controls.

Best Practices for Data Masking in File Transfer

To implement masking effectively:

• Apply masking as early as possible in the workflow
• Maintain referential integrity across related datasets
• Test masked files in downstream systems to validate business logic
• Combine masking with role-based access control (RBAC)
• Log masking activity in centralized audit trails
• Define environment-specific policies (production vs non-production)

TDXchange allows masking logic to be integrated directly into automated file processing workflows.

Compliance and Regulatory Alignment

Data masking supports regulatory safeguards including:

• PCI DSS v4.0 (Requirement 3.3.3) – Permits masking to render cardholder data unreadable
• HIPAA Safe Harbor (§164.514(b)(2)) – Supports de-identification of patient identifiers
• GDPR (Article 89) – Encourages pseudonymization and data minimization
• SOC 2 – Supports logical access and data protection controls

Masking does not replace encryption but complements it as part of a layered security model.

Frequently Asked Questions

What is the difference between masking and encryption?

Encryption protects data so it can be decrypted later. Masking permanently replaces sensitive values with fictitious ones.

Is data masking reversible?

Typically no. Masking is generally a one-way transformation.

When should masking be used instead of encryption?

Masking is used when realistic but non-sensitive data is required for testing, development, or non-production environments.

Does masking help with compliance?

Yes. Masking supports de-identification, data minimization, and reduced breach exposure.

A data pool is a repository of GCI/GDAS data where trading partners can obtain, maintain and exchange information on items and parties in a standard format through electronic means. Multiple trading partners use data pools in order to align/synchronise their internal master databases (GCI GDS definition).

Party that provides a community of trading partners with master data. The data source is officially recognised as the owner of this data. For a given item or party, the source of data is responsible for permanent updates of the information that is under its responsibility (GCI definition). A data source is also known as ÒPublisher.Ó Examples of data sources: manufacturers, publishers and suppliers.

Transformation is a key function of any EAI or inter-application system. There are two basic kinds: syntactic translation changes one data set into another (such as different date or number formats), while semantic transformation changes data based on the underlying data definitions or meaning.

Refers either to data integrity alone or to both integrity and origin authentication (although data origin authentication is dependent upon data integrity.)

Verifies that data has not been altered. One of two data authentication components.

Database middleware allows clients to invoke services across multiple databases for communications between the data stores of applications. This middleware is defined by standards such as ODBC, DRDA, RDA, etc

The process of transforming cyphertext into plaintext.

What Is Defense-in-Depth?

Defense-in-depth is a security strategy that applies multiple independent layers of protection to safeguard systems and data.

In Managed File Transfer (MFT) environments, defense-in-depth ensures that file transfers remain secure even if one security control fails.

Rather than relying on a single mechanism (such as a firewall or password), layered defenses protect against:

• Network-based attacks
• Credential compromise
• Malware injection
• Insider threats
• Protocol downgrade attacks
• Data exfiltration

An attacker must bypass every security layer to access sensitive data.

Why Defense-in-Depth Matters

No security control is perfect.

• Firewalls can be misconfigured.
• Credentials can be phished.
• Software vulnerabilities can emerge.
• Insider access can be abused.

Defense-in-depth limits damage by ensuring that a single failure does not result in catastrophic exposure.

For organizations transferring:

• Payment files
• Healthcare records
• Intellectual property
• Regulatory reports

Layered security provides containment, resilience, and compliance protection.

How Defense-in-Depth Works in MFT

Each security layer targets a specific threat vector and operates independently.

1. Network Segmentation

• DMZ architecture
• Firewall rules
• Zero-trust segmentation

2. Strong Encryption

• Encryption in transit (TLS, SSH, AS2, AS4)
• Encryption at rest
• Quantum-safe encryption (post-quantum cryptography) to protect against future cryptographic threats

3. Authentication and Identity Controls

• Certificate-based authentication
• Multi-factor authentication (MFA)
• Role-based access control (RBAC)
• Zero-trust identity validation

4. Access Restrictions

• Folder-level permissions
• Destination-based routing controls
• Individual IP filtering per user or partner

5. Threat Prevention

• Malware scanning
• DLP enforcement
• Content inspection
• Per-user DDoS prevention and rate limiting to prevent abuse or brute-force attempts

6. Monitoring and Detection

• Immutable audit logging
• Anomaly detection
• Protocol downgrade monitoring
• Real-time alerting

Each layer continues functioning even if another is compromised.

Defense-in-Depth in TDXchange

TDXchange is designed around defense-in-depth principles.

Security capabilities include:

• Zero-trust architectural support
• DMZ deployment with Relay architecture
• Strong cipher suite enforcement
• Quantum-safe encryption options
• Individual IP filtering per user or partner
• Per-user rate limiting and DDoS mitigation
• Immutable audit logs
• DLP and checksum validation integration
• Active-Active and Active-Passive clustering for resilience

TDXchange enforces security at every stage of the file transfer lifecycle — from connection initiation through workflow execution and archival.

Security controls are centrally managed via the TDXchange UI in both standalone and clustered environments.

Zero Trust and Defense-in-Depth

Defense-in-depth aligns directly with zero-trust security models, which assume:

• No user or system is inherently trusted
• Every connection must be verified
• Access must be continuously validated

TDXchange supports zero-trust principles by:

• Verifying identity and device posture
• Enforcing least-privilege access
• Restricting IP ranges per user
• Applying encryption regardless of network location

Zero trust ensures that internal networks are not treated as inherently safe.

Common Use Cases

Defense-in-depth is critical in:

• Financial Services – Protecting wire transfers and payment files
• Healthcare – Safeguarding PHI and regulatory submissions
• Retail – Protecting cardholder data under PCI DSS
• Manufacturing – Securing intellectual property exchanges
• Government and Defense – Protecting classified and controlled information

In high-risk industries, layered security is mandatory rather than optional.

Best Practices for Defense-in-Depth

To implement effective layered security:

• Map each layer to a specific threat category
• Ensure controls operate independently
• Enforce strong cipher suite and encryption standards
• Implement per-user IP filtering and rate limits
• Enable DDoS mitigation at the connection layer
• Adopt quantum-safe cryptography where possible
• Conduct periodic penetration testing
• Monitor logs continuously for anomalies

Defense-in-depth includes prevention, detection, and response — not just perimeter controls.

Compliance and Regulatory Alignment

Defense-in-depth supports compliance frameworks including:

• PCI DSS – Requires layered encryption and access controls
• HIPAA – Requires administrative, physical, and technical safeguards
• SOC 2 – Evaluates layered controls and monitoring
• CMMC – Requires boundary protection and cryptographic controls
• GDPR – Requires appropriate technical safeguards

Auditors often assess whether layered protections are independent and enforced consistently.

Frequently Asked Questions

What is defense-in-depth?

A security strategy that uses multiple independent layers of protection to reduce risk.

How is defense-in-depth different from a firewall?

A firewall is one layer. Defense-in-depth combines multiple layers including encryption, authentication, monitoring, and content inspection.

Does zero trust replace defense-in-depth?

No. Zero trust complements defense-in-depth by strengthening identity and access controls within the layered model.

Why include quantum-safe encryption?

Quantum-safe encryption protects against future cryptographic threats posed by quantum computing.

What Are Digital Signatures?

A digital signature is a cryptographic mechanism that verifies the authenticity and integrity of a file during transfer.

In Managed File Transfer (MFT) systems, digital signatures:

• Prove the identity of the sender
• Confirm that the file was not altered during transit
• Provide non-repudiation (the sender cannot deny sending the file)

Digital signatures use public key cryptography, where the sender signs a file with a private key and the recipient verifies it using the corresponding public key.

Why Are Digital Signatures Important?

When exchanging:

• Financial transactions
• Healthcare records
• EDI documents
• Government-regulated data

Organizations require verifiable proof of origin and integrity.

Without digital signatures:

• A recipient cannot prove who sent a file
• A sender cannot prove the file was not modified
• Disputes become difficult to resolve
• Compliance exposure increases

Digital signatures provide cryptographic evidence — not just logging — that a file is authentic and untampered.

How Digital Signatures Work

The signing process includes two primary steps:

1. Hash Generation

The MFT system generates a cryptographic hash (e.g., SHA-256) of the file.
This hash is a fixed-length fingerprint of the content.

2. Signature Creation

The hash is encrypted using the sender’s private key.
The result is the digital signature.

Verification Process

The recipient:

1. Decrypts the signature using the sender’s public key.
2. Recalculates the file hash.
3. Compares the two hash values.

If they match, the file is verified as authentic and intact.

Digital signatures may be:

• Embedded within protocols (e.g., AS2, AS4)
• Delivered as separate .sig files
• Applied at the API or workflow level

Digital Signatures in TDXchange

TDXchange supports digital signatures configurable at individual channel (protocol independent) and workflow levels, including:

• PGP-based signing
• PQC (quantum-safe) based signing

TDXchange also supports:

• Strong cryptographic key lengths (RSA-3072+, ECC)
• Certificate lifecycle management
• Immutable logging of signature validation results
• Centralized signature enforcement via UI

Quantum-Safe Digital Signatures

In addition to traditional RSA and ECC signing methods, TDXchange supports digital signatures aligned with quantum-safe (post-quantum) cryptographic standards.

Quantum-safe signatures protect against future threats posed by quantum computing, ensuring long-term integrity and non-repudiation for sensitive file transfers.

This is especially important for industries with extended data retention requirements (e.g., healthcare, financial services, government).

Common Use Cases

Digital signatures are widely used in:

• Financial Services – Signing ACH batches and wire transfer files
• Healthcare – Signing HIPAA-regulated EDI claims (X12 837)
• Retail and Supply Chain – AS2-signed purchase orders and invoices
• Government and Defense – Signing CUI or classified technical data
• Global Trade – Non-repudiation for cross-border transactions

High-volume environments may process thousands of digitally signed files daily.

Best Practices for Digital Signatures

To maintain strong cryptographic posture:

• Use RSA-3072 or ECC P-256 (minimum) for new deployments
• Plan migration toward quantum-safe signature algorithms
• Automate signature verification in receive workflows
• Monitor certificate expiration proactively
• Store signature validation results in immutable audit logs
• Test signature validation failure scenarios periodically

TDXchange centralizes signature policy enforcement across standalone and clustered deployments.

Compliance and Regulatory Alignment

Digital signatures support compliance requirements including:

• PCI DSS v4.0 (Requirement 4.2.1) – Strong cryptography for data transmission
• HIPAA (§164.312(c)(1)) – Integrity controls for ePHI
• GDPR (Article 32) – Security of processing and integrity protection
• CMMC Level 2 – Digital signature requirements for CUI
• ISO 27001 (A.10.1.2) – Cryptographic controls

Non-repudiation is often required during financial audits and regulatory investigations.

Frequently Asked Questions

What is the purpose of a digital signature?

To verify the identity of the sender and confirm that the file has not been altered.

Are digital signatures the same as encryption?

No. Encryption protects confidentiality. Digital signatures verify authenticity and integrity.

What is non-repudiation?

Non-repudiation ensures a sender cannot deny transmitting a signed file.

Why consider quantum-safe digital signatures?

Quantum computing may weaken traditional cryptographic algorithms. Quantum-safe signatures protect long-term data integrity.

An electronic signature that can be applied to any electronic document. An asymmetric encryption algorithm, such as the Rivest Shamir Adleman (RSA) algorithm, is required to produce a digital signature. The signature involves hashing the document and then encrypting the result with the sender's private key. Any trading partner can verify the signature by decrypting it with the sender's public key, recomputing the hash of the document, and comparing the two hash values for equality. See hash function, private key, public key, and RSA.

A method of delivering product from a distributor directly to the retail store, bypassing a retailer's warehouse. The vendor manages the product from order to shelf. Major DSD categories include greeting cards, beverages, baked goods, snacks, pharmaceuticals, etc.

A set of data that identifies a real-world entity, such as a person in a computer-based context.

What Is Drummond Certification?

Drummond Certification is third-party validation by the Drummond Group confirming that an AS2 implementation complies with industry interoperability standards.

The certification verifies correct handling of:

• AS2 message formatting
• Encryption algorithms
• Digital signatures
• Message Disposition Notifications (MDNs)
• Compression and error handling

Drummond testing ensures that certified AS2 systems can reliably exchange files with other certified platforms.

Why Is Drummond Certification Important?

AS2 is widely used for secure B2B file exchange, particularly in:

• Healthcare (HIPAA-regulated transactions)
• Retail and supply chain EDI
• Financial services
• Pharmaceutical and regulatory submissions

Many trading partners require proof of Drummond Certification before approving an AS2 connection.

Without certification:

• Partner onboarding may be delayed
• Procurement approvals may stall
• Interoperability disputes may increase
• Compliance reviews may face additional scrutiny

While not legally mandated, Drummond Certification is often treated as a de facto requirement for enterprise AS2 deployments.

How Drummond Certification Works

The Drummond Group conducts structured interoperability testing that validates:

• Encryption combinations (e.g., AES-256)
• Signature verification logic
• Synchronous and asynchronous MDNs
• Compression handling
• Error scenario responses

Vendors must pass defined test cases across multiple configuration permutations.

Certification applies to specific product versions and modules, meaning upgrades may require re-validation.

Drummond Certification in TDXchange and TDAccess

Both TDXchange and TDAccess are Drummond Certified for AS2 interoperability.

This ensures that:

• AS2 message exchange is standards-compliant
• Encryption and digital signature handling meet specification
• MDN generation and validation are interoperable
• Compression combinations are validated
• Trading partner onboarding is simplified

TDXchange manages AS2 workflows centrally, including:

• Certificate management
• MDN validation and archival
• Immutable audit logging
• Workflow routing and retry policies

TDAccess, available for Windows, Linux, and various mainframe environments, supports certified AS2 connectivity from distributed systems into TDXchange environments.

Certification helps organizations accelerate onboarding with large retailers, healthcare clearinghouses, and regulated partners.

Common Use Cases

Drummond Certification is critical in:

• Healthcare Clearinghouses – 837 claims and 835 remittance files
• Retail EDI Networks – 850 purchase orders and 856 advance ship notices
• Pharmaceutical Submissions – Regulatory data exchange
• Financial Services – Secure payment file exchange
• Government Contractors – Regulated B2B communication

Large enterprises frequently require certified AS2 endpoints in vendor selection processes.

Best Practices for Certified AS2 Deployments

To maintain certified interoperability:

• Verify certification covers your specific AS2 features
• Track certification scope during version upgrades
• Maintain certificate documentation for partner onboarding
• Test encryption and MDN handling in sandbox environments
• Monitor certificate expiration and renewal cycles

TDXchange simplifies certification visibility and certificate lifecycle management through centralized administration.

Compliance and Regulatory Alignment

Drummond Certification supports regulatory requirements including:

• HIPAA – Secure electronic healthcare transactions
• PCI DSS – Strong cryptography during transmission
• SOC 2 – Secure B2B communication controls
• ISO 27001 – Cryptographic and interoperability assurance

While certification itself is not a regulation, it demonstrates validated adherence to AS2 standards.

Real-World Example

A regional health plan needed to exchange eligibility and claims data with 40+ provider organizations.

Twelve required Drummond-certified AS2 endpoints before approving connectivity.

Using TDXchange and TDAccess — both Drummond Certified — the health plan:

• Accelerated onboarding
• Avoided procurement delays
• Passed interoperability validation
• Reduced integration troubleshooting

Certification removed friction from partner onboarding and ensured smooth AS2 communication.

Frequently Asked Questions

Is Drummond Certification required for AS2?

It is not legally required, but many enterprises mandate it for vendor approval.

What does Drummond test?

Encryption, signatures, MDNs, compression, and AS2 message compliance.

Does certification apply to all versions?

No. Certification is version-specific and may require re-validation after upgrades.

Are TDXchange and TDAccess certified?

Yes. Both TDXchange and TDAccess are Drummond Certified for AS2 interoperability.

Also known as "E-Biz" or "eBusiness" and is used to describe the use of Internet technologies and the Web in particular, for the conduct of business. Applied in internal-facing, external-facing, applications, networking and systems to describe the broad trend of using the combination of IP networks and applications to reduce costs, automate processes and improve customer service.

Unlike the typical procurement system, e-Procurement uses the Internet to perform the procurement function.

Enterprise Application Integration is a set of technologies that allows the movement and exchange of information between different applications. Typically, products from vendors such as Vitria, Tibco, WebMethods and CrossWorlds (acquired by IBM) address this market space with software integration products that require a significant systems integration effort to implement. Because of the cost and complexity of using EAI technologies, they are not generally used to form trading networks of more than just a few independent companies.

EAN International is the worldwide leader in identification and e-commerce. It manages and provides standards for the unique and non-ambiguous identification and communication of products, transport units, assets and locations. The EAN-UCC system offers multi-sectoral solutions to improve business efficiency and productivity. EAN International has representatives in 97 countries. The system is used by more than 850,000 user companies. (www.ean-int.org)

EAN and UCC co-manage the EAN-UCC System - the global language of business.

The EAN-UCC System offers multisector solutions to improve business efficiency and productivity. The system is co-managed by EAN International and the Uniform Code Council (UCC).

Electronic Data Interchange. The computer-to-computer transmission of information between partners in the supply chain. The data is usually organised into specific standards for the case of transmission and validation.

Electronic Data Interchange over the INTernet (see AS1 and AS2).

an emerging standard for inter-business process definition for exchanging business data. Leverages much of the semantic knowledge and information in the EDI community.

Initiative between retailers and suppliers to reduce existing barriers by focussing on processes, methods and techniques to optimise the supply chain. Currently, ECR has three primary focus areas: supply side (e.g., efficient replenishment), demand side (e.g., efficient assortment, efficient promotion, efficient product introduction) and enabling technologies (e.g., common data and communication standards, cost/ profit and value measurement). The overall goal of ECR is to fulfil consumer wishes better, faster and at less cost.

The conduct of business communications and management through electronic methods, such as electronic data interchange and automated data collection systems.

Definition

Enterprise MFT platforms increasingly rely on elliptic curve cryptography for key exchange and digital signatures because it delivers equivalent security to RSA with dramatically smaller key sizes. A 256-bit ECC key provides comparable protection to a 3,072-bit RSA key, which matters when you're establishing thousands of encrypted sessions daily.

Why It Matters

The efficiency gain isn't just theoretical—I've seen it make a real difference in high-volume environments. When you're handling 50,000+ transfers per day, the computational overhead adds up. ECC cuts CPU usage for cryptographic operations by 60-80% compared to RSA, translating to faster connections, lower latency, and better throughput. Smaller keys mean less bandwidth consumed during SSL/TLS handshakes—important on congested WAN links.

How It Works

ECC bases its security on the mathematical difficulty of solving the elliptic curve discrete logarithm problem. Instead of factoring large primes like RSA, ECC performs operations on points along an elliptic curve defined by equations like y² = x³ + ax + b. Your private key is a random number; your public key is a point on the curve generated by multiplying a base point by that private key. Common curves include P-256, P-384, P-521 (NIST curves), Curve25519, and Curve448. The security comes from the fact that while multiplying points is straightforward, reversing the operation to derive the private key is computationally infeasible.

Compliance Connection

FIPS 140-3 validates specific ECC curves for government use—P-256, P-384, and P-521 are approved. If you're handling regulated data, verify your MFT platform's cryptographic module supports FIPS-validated ECC implementations. PCI DSS v4.0 requires strong cryptography for cardholder data in transit; ECC meets those requirements with better performance than RSA. Most frameworks focus on key strength rather than algorithm, so 256-bit ECC satisfies requirements that would otherwise need 3,072-bit RSA.

Common Use Cases

• TLS 1.3 connections where ECDHE provides perfect forward secrecy for HTTPS and FTPS transfers with minimal performance impact
• SSH/SFTP authentication using ECDSA host keys and client keys (ssh-ed25519 or ecdsa-sha2-nistp256) for faster connection setup compared to RSA-based authentication
• High-frequency B2B exchanges where connection overhead matters—automotive suppliers sending parts manifests every 5 minutes benefit from faster handshakes
• Mobile and IoT file endpoints where processing power and battery life are limited, making ECC's lower computational requirements essential
• AS2 message signing where ECDSA signatures provide non-repudiation with smaller message overhead than RSA signatures

Best Practices

• Stick with Curve25519 or P-256 for new implementations. Curve25519 offers better performance and security, while P-256 provides broader compatibility with legacy systems. Avoid deprecated curves like P-192.
• Combine ECC key exchange with AES-256-GCM for symmetric encryption. Use cipher suites like TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 to get both ECC's performance benefits and strong symmetric encryption.
• Enable perfect forward secrecy by using ephemeral ECDH (ECDHE) key exchange. Even if your long-term ECC private key is compromised, past session keys remain protected—critical for audit requirements.
• Monitor certificate compatibility when deploying ECC certificates for FTPS or HTTPS endpoints. Some older systems don't support ECC certs, requiring dual RSA/ECC certificate configurations during migration.

Related Terms

• RSA
• TLS 1.3
• Digital Signatures

‍

The process of transforming plaintext into an unintelligible form (ciphertext) such that the original data either cannot be recovered (one-way encryption) or cannot be recovered without using an inverse decrypting process (two-way encryption).

What Is Encryption at Rest?

Encryption at rest is a security control that protects stored files by converting them into unreadable ciphertext using strong cryptographic algorithms such as AES-256.

In Managed File Transfer (MFT) environments, encryption at rest ensures that files stored in:

• Staging directories
• Landing zones
• Quarantine folders
• Archive repositories
• Persistent storage systems

cannot be accessed without proper decryption keys.

If storage media is compromised, encrypted files remain unreadable.

Why Is Encryption at Rest Important?

Data breaches do not only occur in transit.

Common storage-related risks include:

• Lost or stolen backup media
• Misconfigured cloud storage
• Insider access abuse
• Decommissioned hardware without proper wiping
• Compromised storage arrays

Without encryption at rest, stored files are exposed in plaintext to anyone with physical or logical access.

For regulated industries, encryption at rest is often required to avoid breach notification obligations and financial penalties.

It serves as a critical last line of defense when perimeter or identity controls fail.

How Encryption at Rest Works

Encryption at rest typically uses symmetric encryption (e.g., AES-256) for performance and scalability.

Standard Process

1. A file is received or generated.
2. The MFT platform encrypts the file before writing it to disk.
3. Encryption keys are stored separately in a Key Management Service (KMS) or Hardware Security Module (HSM).
4. When processing is required, the file is decrypted securely in memory.
5. After processing, the file is re-encrypted.

Keys are never stored alongside encrypted data.

Modern implementations support automated key rotation and secure key lifecycle management.

Encryption at Rest in TDXchange, TDCloud, and TDConnect

TDXchange

TDXchange encrypts:

• File payloads in landing and staging zones
• Archive repositories
• Quarantine folders
• Transfer metadata
• Credentials and configuration data

Encryption policies can be configured by:

• Trading partner
• Folder path
• Data classification
• Workflow

TDXchange maintains immutable audit logs documenting encryption enforcement.

TDCloud

TDCloud applies encryption at rest within its managed cloud infrastructure, ensuring:

• Encrypted storage volumes
• Encrypted object storage
• Segregated key management
• Policy-driven enforcement

Cloud storage protections align with enterprise compliance requirements.

TDConnect

TDConnect supports secure encrypted storage for distributed and hybrid deployments, ensuring files stored locally or across environments are protected using strong cryptographic controls.

Quantum-Safe Encryption Support

In addition to traditional AES-based encryption, TDXchange, TDCloud, and TDConnect support post-quantum cryptographic (PQC) methods for quantum-safe payload encryption at rest.

Quantum-safe encryption protects long-term stored data against future threats posed by quantum computing.

This is particularly important for industries with extended retention requirements such as:

• Healthcare
• Financial services
• Government
• Legal and regulatory archives

Quantum-safe support future-proofs stored sensitive data.

Common Use Cases

Encryption at rest is critical for:

• Healthcare Providers – Protecting archived patient records and imaging files
• Financial Institutions – Securing payment files and ACH batches
• Retailers – Protecting EDI staging files containing sensitive pricing data
• Government Contractors – Securing Controlled Unclassified Information (CUI)
• Global Enterprises – Protecting cloud-based file repositories

Encryption at rest reduces risk exposure across internal and cloud storage systems.

Best Practices for Encryption at Rest

To maximize effectiveness:

• Store encryption keys separately from encrypted data
• Use a centralized Key Management Service (KMS) or HSM
• Rotate encryption keys regularly (90–365 days depending on policy)
• Encrypt metadata and credentials in addition to payload files
• Validate encryption enforcement during audits
• Evaluate quantum-safe cryptography for long-term data protection

TDXchange centralizes encryption configuration through its UI in standalone and clustered deployments.

Compliance and Regulatory Alignment

Encryption at rest supports regulatory requirements including:

• PCI DSS v4.0 (Requirement 3.5.1) – Protect stored cardholder data
• HIPAA (§164.312(a)(2)(iv)) – Encryption of ePHI at rest
• GDPR (Article 32) – Security of processing
• CMMC Level 2 – Protection of CUI
• SOC 2 – Logical and physical data protection controls

In many cases, encryption at rest provides safe harbor protections in the event of data loss.

Frequently Asked Questions

What does encryption at rest protect against?

It protects stored files from unauthorized access due to storage breaches, insider threats, or lost hardware.

Is encryption at rest required for compliance?

In regulated industries, it is strongly recommended or explicitly required.

How is encryption at rest different from encryption in transit?

Encryption in transit protects data while moving across networks. Encryption at rest protects stored data.

Why consider quantum-safe encryption for stored data?

Quantum computing may weaken traditional cryptographic methods in the future. Quantum-safe encryption protects long-term archived data.

What Is Encryption in Transit?

Encryption in transit protects data while it moves between systems by encrypting network communications.

In Managed File Transfer (MFT) environments, encryption in transit ensures that files, credentials, and control commands cannot be read or altered if intercepted during transmission.

Secure transport protocols include:

• TLS (for HTTPS, AFTP and FTPS)
• SSH (for SFTP)
• AS2 and AS4 over HTTPS
• PGP-encrypted file payloads
• TDCompress-encrypted payloads
• PQC-encrypted payloads

Without encryption in transit, file transfers are exposed to interception, packet sniffing, and man-in-the-middle attacks.

Why Is Encryption in Transit Important?

When files travel across public or shared networks, they can be intercepted at multiple points:

• Internet service providers
• Compromised routers
• Internal network segments
• Malicious actors monitoring traffic

Without encrypted channels, sensitive data is transmitted in plaintext.

For regulated industries, transit encryption is not optional — it is a baseline security requirement for passing compliance audits and protecting customer data.

Encryption in transit protects:

• Payment files
• Healthcare records
• Intellectual property
• Government-regulated information
• Partner-to-partner B2B exchanges

How Encryption in Transit Works

Before data is transmitted, the client and server perform a secure handshake:

1. Negotiate cipher suites
2. Exchange cryptographic keys
3. Validate digital certificates
4. Establish a secure session

Once established, file content is encrypted using symmetric encryption (typically AES-256).

Modern implementations support:

• TLS 1.2 and TLS 1.3
• Perfect Forward Secrecy (PFS)
• Strong cipher suite enforcement
• Certificate-based mutual authentication

Encryption sits between the application and network layers, making it transparent to business workflows.

Encryption in Transit in TDXchange, TDCloud, and TDConnect

Protocol-Level Encryption

TDXchange, TDCloud, and TDConnect support:

• SFTP (SSH encryption)
• FTPS (TLS encryption)
• AFTP (TLS encryption)
• HTTPS APIs (TLS 1.2/1.3)
• AS2 and AS4 over HTTPS
• Mutual TLS authentication

All connections can enforce strict cipher suite policies and certificate validation.

PGP Encryption for Payload Protection

In addition to session-level encryption, TDXchange, TDCloud, and TDConnect support PGP encryption of file payloads in transit.

PGP provides:

• End-to-end file encryption
• Additional protection beyond transport layer security
• Encryption that persists even after file delivery

This ensures that even if a transport channel is compromised, the file payload remains encrypted.

TDCompress (Proprietary Encryption Technology)

bTrade’s TDCompress technology enhances performance and protection within file transfer workflows.

TDCompress integrates with TDXchange environments to:

• Optimize secure data movement
• Improve throughput
• Complement encryption controls

It works alongside protocol-level encryption and PGP payload protection.

Quantum-Safe Encryption Support

TDXchange, TDCloud, and TDConnect support quantum-safe (post-quantum cryptographic) encryption for data in transit.

Quantum-safe encryption protects against future cryptographic threats posed by quantum computing.

For industries with long-term confidentiality requirements — such as healthcare, finance, and government — quantum-safe transit encryption helps future-proof sensitive communications.

Common Use Cases

Encryption in transit is critical in:

• Healthcare – HL7 and DICOM transfers over SFTP
• Financial Services – ACH and wire files sent via FTPS with mutual TLS
• Retail – POS and batch payment data over AS2
• Manufacturing – Secure CAD file exchange over HTTPS APIs
• Government & Defense – CUI transfers under CMMC requirements

High-volume enterprise environments often combine TLS encryption with PGP payload protection for layered security.

Best Practices for Encryption in Transit

To maintain strong transport security:

• Disable legacy protocols (FTP, SSL 3.0, TLS 1.0/1.1)
• Enforce TLS 1.2 or TLS 1.3 minimum
• Restrict cipher suites to AES-GCM or stronger
• Enable mutual certificate authentication for high-risk partners
• Monitor logs for downgrade attempts
• Combine transit encryption with encryption at rest
• Evaluate quantum-safe cryptographic options

TDXchange centrally manages encryption policies across standalone and clustered deployments.

Compliance and Regulatory Alignment

Encryption in transit supports compliance frameworks including:

• PCI DSS v4.0 (Requirement 4.2.1) – Strong cryptography during transmission
• HIPAA (§164.312(e)(1)) – Transmission security for ePHI
• GDPR (Article 32) – Encryption as a technical safeguard
• CMMC Level 2 – Secure transmission of CUI
• SOC 2 – Secure communication controls

Auditors frequently review protocol configurations, cipher suite policies, and certificate management processes.

Frequently Asked Questions

What is the difference between encryption in transit and encryption at rest?

Encryption in transit protects data while moving across networks. Encryption at rest protects stored data.

Is TLS alone enough?

TLS protects the session. Adding PGP payload encryption provides additional end-to-end protection.

Why use quantum-safe encryption?

Quantum computing may weaken traditional encryption algorithms. Quantum-safe cryptography protects long-term sensitive data.

Does encryption in transit affect performance?

Modern hardware acceleration allows strong encryption with minimal impact on throughput.

What Is End-to-End Encryption?

End-to-End Encryption (E2EE) ensures that data remains encrypted from the moment it leaves the sender’s environment until it is decrypted by the intended recipient.

In an end-to-end encrypted file transfer:

• Only the sender and recipient possess the decryption keys
• The MFT platform never holds plaintext data
• Infrastructure administrators cannot access file contents
• Intermediary storage systems see only encrypted payloads

Unlike transport-layer encryption (e.g., TLS), E2EE protects data across the entire transfer lifecycle — including storage, routing, and workflow processing.

Why Is End-to-End Encryption Important?

Standard transport encryption protects files while moving across networks, but files are typically decrypted once they reach the MFT server.

If the MFT infrastructure is compromised:

• Stored files may be exposed
• Administrators may access plaintext
• Malware may scan unencrypted staging areas

End-to-end encryption eliminates this exposure.

For organizations handling:

• Financial records
• Healthcare data
• Intellectual property
• Legal or regulated content

E2EE ensures that even internal infrastructure breaches do not expose sensitive data.

This aligns strongly with zero-trust security models, where no internal system is inherently trusted with plaintext data.

How End-to-End Encryption Works

Step 1: Public Key Exchange

Trading partners exchange public keys or certificates in advance.

Step 2: Payload Encryption

The sender encrypts the file using the recipient’s public key before transmission begins.

Step 3: Encrypted Transport

The MFT platform transfers and stores the encrypted payload without decrypting it.

Step 4: Recipient Decryption

Only the recipient’s private key can decrypt the file.

The MFT infrastructure manages:

• Delivery guarantees
• Routing logic
• Logging
• Audit trails

—but never accesses the plaintext content.

Common E2EE technologies include:

• PGP encryption
• S/MIME
• AS2 with encrypted payloads
• Quantum-safe cryptographic methods

End-to-End Encryption in TDXchange, TDCloud, and TDConnect

TDXchange, TDCloud, and TDConnect support:

• PGP-based end-to-end encryption of file payloads
• Protocol-level encryption (TLS, SSH, AS2, AS4)
• Digital signatures
• Strict key management policies

Files remain encrypted:

• During transport
• In staging areas
• In temporary storage
• Across multi-hop routing

Quantum-Safe End-to-End Encryption

In addition to traditional RSA and ECC encryption, TDXchange supports quantum-safe (post-quantum) encryption for end-to-end payload protection.

Quantum-safe encryption protects sensitive data from future decryption threats posed by quantum computing.

This is especially important for:

• Long-retention healthcare records
• Financial archives
• Government-regulated data
• Cross-border intellectual property transfers

TDCompress Integration

bTrade’s proprietary TDCompress technology integrates with encrypted workflows to optimize secure payload movement without compromising encryption integrity.

TDCompress works alongside:

• PGP payload encryption
• TLS transport encryption
• Quantum-safe cryptography

This ensures performance and protection operate together.

Common Use Cases

End-to-end encryption is widely used in:

• Healthcare – Patient record exchange between EMR systems and payers
• Financial Services – Wire transfer and ACH batch protection
• Manufacturing – Cross-border CAD file sharing
• Legal Services – Discovery document transmission
• Government and Defense – Controlled or classified data exchange

E2EE is particularly valuable in multi-hop or managed service provider environments.

Best Practices for End-to-End Encryption

To implement E2EE effectively:

• Automate public key exchange during partner onboarding
• Store private keys in HSMs or secure key management systems
• Enforce strict certificate lifecycle management
• Monitor for fallback scenarios to transport-only encryption
• Combine E2EE with immutable audit logging
• Evaluate quantum-safe cryptography for long-term data protection

TDXchange allows centralized enforcement of encryption policies in both standalone and clustered environments.

Compliance and Regulatory Alignment

End-to-End Encryption supports compliance frameworks including:

• PCI DSS v4.0 (Requirement 4.2.1) – Strong cryptography for cardholder data
• HIPAA (§164.312(e)(1)) – Transmission security for ePHI
• GDPR (Article 32) – Encryption as a technical safeguard
• CMMC Level 2 – Protection of Controlled Unclassified Information
• SOC 2 – Confidentiality and integrity controls

E2EE demonstrates enhanced confidentiality controls beyond minimum transport encryption standards.

Frequently Asked Questions

What is the difference between TLS encryption and end-to-end encryption?

TLS protects data during transmission. End-to-end encryption protects data from sender to recipient, including during storage and routing.

Can MFT administrators decrypt end-to-end encrypted files?

No. Only the intended recipient with the private key can decrypt the payload.

Is PGP considered end-to-end encryption?

Yes. PGP encrypts payloads so only the recipient can decrypt them.

Why consider quantum-safe encryption for E2EE?

Quantum computing may weaken traditional cryptography. Quantum-safe encryption future-proofs sensitive data.

An event refers to a change of state in the system such as new or changed information regarding item, party, rights, permissions, profiles, notification, etc. Completion of tasks such as subscription, notification, data distribution, data distribution set-up, etc. Arrival or forwarding of messages.

What Are Event-Driven Transfers?

Event-driven transfers automatically initiate file workflows when a defined condition occurs.

Instead of running on fixed schedules, event-driven Managed File Transfer (MFT) systems respond immediately to triggers such as:

• A file arriving in a monitored directory
• A file being uploaded by a Trading Partner
• An API receiving a webhook
• A message queue notification
• A database change event
• An inbound AS2/AS4 message

The workflow executes the moment the triggering condition is met.

Why Are Event-Driven Transfers Important?

Traditional polling-based transfers introduce:

• Processing delays
• Wasted system cycles
• Batch bottlenecks
• Missed SLA windows

Event-driven architecture eliminates these inefficiencies by enabling:

• Near real-time processing
• Reduced infrastructure overhead
• Faster partner acknowledgments
• Improved supply chain responsiveness
• Immediate compliance validation

Organizations commonly reduce processing windows from 15–30 minutes to seconds by adopting event-driven workflows.

How Event-Driven Transfers Work

Modern MFT platforms continuously monitor trigger sources.

Common Trigger Points

• Watched folders
• REST API endpoints
• Webhooks
• Message queues
• Inbound EDI/AS2/AS4 messages
• Database change notifications

When trigger conditions are met:

1. Criteria are validated (file name, size, timestamp, integrity checks).
2. A workflow instance is created.
3. Validation, decryption, transformation, and routing execute.
4. Delivery confirmation is processed.
5. Immutable audit logs are updated.

Each triggered instance is independently tracked for visibility and troubleshooting.

Event-Driven Architecture in TDXchange

TDXchange is not only capable of event-driven triggers — it is architected internally as an event-driven platform across the entire workflow lifecycle.

This means:

• File ingestion triggers internal processing events
• Validation results trigger downstream routing
• Encryption completion triggers transfer execution
• MDN receipt triggers acknowledgment workflows
• Policy violations trigger compliance alerts
• Cluster node synchronization operates via internal event propagation

Rather than relying on sequential batch processing, TDXchange components communicate through event-driven mechanisms that enable:

• Real-time workflow orchestration
• Parallel processing scalability
• High concurrency environments
• Immediate failure detection and retry
• Seamless clustering across nodes

In both standalone and clustered deployments, TDXchange maintains internal event state awareness to prevent duplicate processing and ensure transfer continuity.

Zero Trust and Event-Driven Security

Event-driven workflows in TDXchange embed security checks at every stage:

• Identity validation before execution
• Checksum verification on receipt
• Encryption enforcement prior to routing
• DLP inspection before outbound delivery
• Immutable audit logging after every state change

Automation does not bypass security — it reinforces it.

Each internal event transition is logged and traceable.

Common Use Cases

Event-driven transfers are critical in:

• Supply Chain Integration – Immediate processing of inbound purchase orders
• EDI Automation – Real-time validation and routing of transaction sets
• Healthcare Claims – Instant acknowledgment of inbound HIPAA files
• Financial Reconciliation – Triggering settlement workflows upon receipt
• Pharmaceutical Distribution – Processing time-sensitive prescription orders
• Retail Fulfillment – Automatic inventory updates upon order file arrival

Real-time execution reduces operational friction and SLA risk.

Best Practices for Event-Driven MFT

To ensure reliability:

• Implement idempotency controls
• Validate file stability before processing
• Monitor trigger health separately from workflow health
• Configure automated retries with exponential backoff
• Maintain strict audit traceability

TDXchange provides centralized monitoring of both trigger events and internal workflow state transitions.

Compliance and Audit Considerations

Event-driven automation must still meet regulatory controls:

• Encryption in transit and at rest
• Digital signature validation
• DLP enforcement
• Checksum verification
• Immutable audit logging

TDXchange logs each event-to-workflow transition, providing defensible traceability during audits.

Frequently Asked Questions

What is the difference between scheduled and event-driven transfers?

Scheduled transfers run at fixed intervals. Event-driven transfers execute immediately when a condition occurs.

Is TDXchange fully event-driven?

Yes. TDXchange uses event-driven architecture internally across ingestion, validation, routing, delivery, and logging components.

Do event-driven transfers improve performance?

Yes. They reduce idle polling cycles and enable real-time execution.

Are event-driven workflows secure?

Yes. Security controls are embedded at each workflow stage and logged immutably.

What Is an Event-Driven Trigger?

An event-driven trigger automatically initiates a file transfer workflow when a predefined condition occurs.

In Managed File Transfer (MFT) systems, triggers activate in response to events such as:

• A file arriving in a watched folder
• A file being sent by a Trading Partner
• An inbound API call or webhook
• A message queue notification
• A timestamp condition
• An inbound AS2/AS4 message
• A database update

Unlike time-based scheduling, event-driven triggers respond immediately to business activity.

Why Are Event-Driven Triggers Important?

Traditional batch scheduling introduces delays and inefficiencies:

• Files wait idle until the next scheduled run
• Systems waste resources polling empty directories
• Time-sensitive workflows miss SLA windows

Event-driven triggers eliminate latency by activating workflows the moment conditions are met.

Benefits include:

• Faster processing cycles
• Reduced storage buildup
• Improved partner responsiveness
• Better infrastructure utilization
• Near real-time compliance validation

Modern digital supply chains depend on reactive, not reactive-late, transfer pipelines.

How Event-Driven Triggers Work

Event-driven triggers monitor defined conditions continuously.

Trigger Detection Methods

• File system watchers for directory changes
• API endpoints receiving webhooks
• Message queues (e.g., MQ-based systems)
• Database change events
• Controlled polling at sub-minute intervals

When a trigger condition matches configured criteria:

1. Event metadata is captured (filename, size, timestamp, source).
2. Validation rules are applied.
3. A workflow instance is created.
4. Execution begins (validation, encryption checks, routing, delivery).
5. State is logged in immutable audit records.

Systems maintain internal state tracking to prevent duplicate processing.

Event-Driven Triggers in TDXchange

TDXchange supports highly configurable event-driven triggers through its workflow automation framework.

Administrators can define:

• Pattern-based triggers (e.g., /inbound/*.pgp)
• Size thresholds
• File stability checks
• Business hour conditions
• Multi-condition logic (e.g., file arrival AND partner acknowledgment received)

Internal Event-Driven Architecture

Beyond trigger configuration, TDXchange itself is architected internally as an event-driven platform.

Internal components communicate through event-based mechanisms across:

• File ingestion
• Decryption and validation
• DLP inspection
• Workflow routing
• Delivery confirmation
• MDN receipt handling
• Audit logging
• Cluster node synchronization

This architecture enables:

• Real-time workflow propagation
• Parallel processing scalability
• High concurrency environments
• Immediate failure detection and retry
• Seamless cluster-wide state awareness

Event-driven logic is embedded throughout the entire transfer lifecycle — not just at the trigger layer.

Zero Trust and Event-Driven Security

Event-driven triggers in TDXchange do not bypass security controls.

Each triggered workflow can enforce:

• Identity validation
• Encryption verification
• Checksum validation
• DLP inspection
• Role-based access policies
• Immutable logging

Security validation occurs at every triggered execution point.

This aligns directly with zero-trust principles — every action is verified before execution.

Common Use Cases

Event-driven triggers are critical in:

• Payment Processing – Immediate ACH file processing
• EDI Workflows – Real-time routing of purchase orders and invoices
• Healthcare Claims – Instant acknowledgment of HIPAA files
• Manufacturing Supply Chains – Just-in-time order execution
• Media Distribution – Triggering large content transfers upon upload
• Financial Reporting – Processing daily transaction reports before market open

Time-sensitive industries rely on trigger-based automation to maintain operational continuity.

Best Practices for Event-Driven Triggers

To ensure reliable automation:

• Implement file stability checks (e.g., unchanged for 30–60 seconds)
• Define precise file pattern filters
• Set size and age thresholds
• Design idempotent workflows
• Monitor trigger latency separately from transfer metrics
• Enable automated retry logic

TDXchange provides centralized monitoring of trigger events and downstream workflow execution.

Compliance and Audit Considerations

Event-driven triggers must support:

• Encryption enforcement
• Digital signature validation
• Checksum verification
• DLP compliance scanning
• Immutable audit logging

TDXchange logs which event initiated each transfer, supporting traceability during audits and investigations.

Real-World Example

A pharmaceutical distributor configured event-driven triggers across 200+ inbound pharmacy directories.

When an order file arrives:

• The trigger fires within seconds
• Validation and inventory checks execute automatically
• Warehouse systems receive processing instructions
• Order confirmations return within 60 seconds

Processing time improved by over 90% compared to scheduled polling.

Frequently Asked Questions

What is the difference between an event-driven trigger and scheduled transfer?

Scheduled transfers run at fixed intervals. Event-driven triggers execute immediately when defined conditions occur.

Can triggers use multiple conditions?

Yes. Multi-condition triggers can require several criteria before execution.

Does TDXchange use event-driven architecture internally?

Yes. TDXchange components communicate through event-driven mechanisms across the full workflow lifecycle.

Are event-driven triggers secure?

Yes. Each trigger can enforce encryption, identity validation, DLP inspection, and audit logging.

In the Global Data Synchronisation context, it is a provider of value-added services for distribution, access and use of master data. Organisations that provide exchanges can provide data pool function as well.