NSYNC ITB Sequencing - Guaranteed Processing Order in Azure

When interfaces run via Azure Integration Services, the order of data records is frequently lost during transmission. Operations can "overtake" one another – resulting in silent errors in downstream systems that are only noticed late and require complex corrections. NSYNC ITB Sequencing closes this gap: Every operation is processed in the exact order in which it was created.

How NSYNC ITB Sequencing simplifies your specific integration architecture – Request live demo now

Advantages of NSYNC ITB Sequencing

NSYNC ITB Sequencing addresses the specific challenges within your (Azure) integration landscape. Choose your role to discover how we can make your daily work more efficient:

NSYNC ITB Sequencing guarantees the correct processing order of your data records within Azure Integration Services. Instead of accepting risky "silent errors" caused by overtaking messages, Sequencing ensures that every operation is processed in the exact order in which it was created. This protects your business processes, maintains data consistency across system boundaries, and minimizes the risk of time-consuming manual corrections.

Your added value at a glance:

  • Data consistency: Inventories, bookings, and status values remain accurate, even with high message volumes.

  • Minimized operational risk: No silent secondary errors from overtaking data records; the effort required for troubleshooting and manual rework decreases significantly.

  • Full traceability: Every processing step is transparently documented.

  • Data sovereignty: Sequencing runs entirely within your own Azure subscription. Your data never leaves your environment at any time.

NSYNC ITB Sequencing solves the challenge of in-order processing across distributed Azure components. Standard message brokers (such as Azure Service Bus) can alter the original order of messages due to parallelism, scaling, and automatic retries. Sequencing addresses this: Every data record is marked with a business sequence key (e.g., order or customer number). A specialized Azure Function acts as an intelligent gatekeeper that releases data records for further processing only after the successful commit of the predecessor.

Your technical added value:

  • In-order processing: Guaranteed processing per sequence key, independent of load, parallelism, or retry runs.
  • Reliable progress control: An Azure Function checks processing progress and releases a data record only once the direct predecessor has been successfully committed.
  • Intelligent error handling: Non-conforming data records are postponed in a controlled manner and processed later in the correct position.
  • Persistence & scalability: Progress is stored persistently in an MS SQL Azure Database – ensuring the sequence order is maintained even during function scale-out and survives reboots.

NSYNC ITB Sequencing offers stability and control for mission-critical integration processes. Instead of relying on ad-hoc solutions, you benefit from an automated approach to maintaining processing order. Since the system operates entirely within your own Azure subscription, you retain full sovereignty over your data.

Your operational added value:

  • Process stability: Prevention of data inconsistencies through guaranteed in-order processing, regardless of traffic spikes or retry runs.

  • Full data sovereignty: Operation within your own Azure subscription – no external data storage required.

  • Low-maintenance architecture: The system requires only an Azure Function and an MS SQL Azure Database; there are no other third-party dependencies.

  • Every processing step is transparently documented through the sequencing logic, significantly accelerating troubleshooting during incidents.

Sequencing - Guaranteed In-Order Processing in Azure

The sequencing component acts as a gatekeeper logic for your Azure Integration Services. It ensures that messages do not lose their order due to parallel instances or retries. Control is handled via business sequence keys, which guarantee that an operation is only processed once the system has confirmed the success of the previous step.

Sequence security without system overhead

  • Status Quo: Under high load and parallel processing in Azure, overtaking data records ("race conditions") frequently lead to logical errors in target systems that are difficult to isolate.
  • The Solution: Sequencing acts as a proactive component directly within the data stream. Processing progress per sequence key is managed via a SQL-based status check. This prevents inconsistencies directly at the source without requiring any adjustments to the target systems.
NSYNC Integration:Toolbox Sequencing - Example

NSYNC Integration:Toolbox Sequencing - Example

Efficient Troubleshooting & Transparency

  • Status Quo: In asynchronous integration processes, it is often impossible to manually track the exact historical order of messages in distributed dashboards. Processing errors usually only become visible as secondary damage in the target system.

  • The Solution: Sequencing acts as a "single source of truth" for your process order. With the SYMON monitoring portal, the status of each data record within a sequence can be viewed directly. Drill-down functions make it possible to identify gaps or delays in the processing chain in seconds, rather than having to perform complex log analyses.

    How In-Order Processing Works

    • Status Quo: When processing in distributed systems, the use of message brokers (Service Bus) in combination with parallel instances often results in the processing order not matching the arrival order. This leads to inconsistencies because subsequent messages are processed before the initial status has been correctly set.

    • The Solution: Sequencing acts as a proactive component directly within the data stream. Processing progress per sequence key is managed via a SQL-based status check. This prevents inconsistencies directly at the source without requiring any adjustments to the target systems.

    NSYNC Integration:Toolbox Sequencing - Architecture

    NSYNC Integration:Toolbox Sequencing - Architecture

    Core Functions

    Sequencing has a modular design and integrates flexibly into your Azure integration architecture.

    • Integration: Azure Logic Apps & Function Apps via message broker (Service Bus).
    • System Requirements: Azure Function + MS SQL Azure Database – no further dependencies.
    • Hosting: Runs entirely within the customer's Azure subscription, no external data storage.
    • Result: Guaranteed in-order processing, independent of load, parallelism, and retry runs.

      Get in touch

      Your contact person: NSYNC Product Team
      E-mail: info@nsync-group.com | Phone: +41 52 577 70 70