As organizations move to S/4HANA Cloud, one critical question emerges: What happens to all those custom developments that make your SAP system unique?
SAP's answer: Business Technology Platform (BTP) becomes the new home for your customizations - but this isn't just a simple migration.
The "Clean Core" Revolution ✨ SAP is pushing the "Clean Core" approach - meaning zero modifications to standard SAP code. Your customizations must move to the periphery, specifically to BTP's multiple development environments :
🔧 Four Development Options: • NEO Environment - Legacy proprietary platform (being phased out) • Cloud Foundry - Open source, supports ABAP, Java, Node.js, Python • Kyma - Kubernetes-based microservices and serverless functions • ABAP Environment - New cloud-native ABAP development space
The Reality Check 📊 According to SAP's data over 15 years: • 30-60% of custom code in production systems is never executed • Many customizations can be replaced with standard S/4HANA functionality • Custom Code Migration tool offers up to 60% automation for common simplifications
What This Means for Your Organization: ✅ Start collecting usage data 1 year before migration using ABAP Call Monitor ✅ Expect organizational changes - moving from monolithic to decoupled architecture ✅ Plan for skills transformation - teams need BTP development capabilities ✅ Budget for process re-engineering, not just technical migration
The Game Changer: SAP is developing a fifth environment - an "on-stack" option that stays closer to S/4HANA core while maintaining Clean Core principles. This could be a lifeline for tightly coupled customizations.
Bottom Line: This isn't just about moving code - it's about rethinking how your organization develops and maintains SAP customizations. The shift from monolithic to microservices architecture requires new competencies and governance models.
Are you preparing your development teams for this architectural shift? What's your strategy for handling legacy customizations?
#SAP #S4HANA #BTP #DigitalTransformation #CleanCore #CloudMigration #CustomDevelopment #ABAP
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