Event-Driven Architecture

Real-time Archiving with SAP Event Mesh

Seamlessly integrate third-party archiving solutions with SAP S/4HANA Public Cloud using event-driven patterns. 100% Clean Core compliant.

Integration Architecture

Technical Implementation of Real-time Archiving

The Challenge

Integrating external archiving systems with SAP S/4HANA Public Cloud often leads to complex polling mechanisms, batch synchronization delays, or non-compliant custom ABAP extensions. Organizations need real-time document archiving (Purchase Orders, Goods Receipts, Invoices) without violating Clean Core principles.

The Solution

A purely event-driven architecture that decouples SAP S/4HANA from the archiving layer using SAP BTP Event Mesh:

  • SAP S/4HANA publishes standard business events (PurchaseOrder.Created, GoodsReceipt.Posted)

  • SAP Event Mesh queues and distributes events reliably with guaranteed delivery

  • CAP Application on BTP consumes events and orchestrates the archiving process

  • Third-party archiving platform receives documents and metadata via secure APIs

  • Bidirectional flow enables 'dark posting' of invoices back to SAP S/4HANA

100%

Clean Core

< 1s

Event Latency

0

Custom ABAP

24/7

Real-time Processing

Use Case

Public Cloud

Tech Stack

SAP Event MeshSAP S/4HANA Public CloudCAP (Node.js)OData APIsRESTful APIs

High-level architecture showing the integration between SAP S/4HANA, BTP services, and the archiving platform.

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