Kyma Eventing & S/4HANA Extension Patterns

Lesson 2.4 — Kyma Eventing & Extension Patterns Table of Contents 1. Side-by-Side Extension Model 2. S/4HANA Event Integration 3. Extension Patterns 4. Resilience Patterns 5. Event Processing Best Practices Top 5 Pitfalls What to Learn Next Summary: SAP's recommended approach for extending S/4HANA and other SAP systems is "side-by-side" extensions on BTP — keeping the clean core clean while building custom logic externally. Kyma provides the eventing infrastructure and runtime for these extensions. This lesson covers the side-by-side extension model, event-driven architecture patterns, S/4HANA event integration, and production-ready extension design. 1. Side-by-Side Extension Model Clean Core Principle ┌──────────────────────────────────┐ ┌──────────────────────────────────┐ │ S/4HANA (Clean Core) │ │ Kyma Runtime (Extensions) │ │ │ │ │ │ ┌──────────────────────────────┐ │ │ ┌──────────────────────────────┐ │ │ │ Standard Business Logic │ │ │ │ Custom Logic │ │ │ │ (no modifications) │