ERP Strangler Proxy with Switchback
10/10
Demand Score
Vendors are sunsetting legacy ERPs with hard deadlines; missing dates risks support loss and audit findings.
9/10
Blue Ocean
Competition Level
$10k-45k
Price/Month
Predicted customer spend
16 days
Time to MVP
Difficulty: Expert
The Problem
A compatibility proxy that emulates legacy ERP interfaces (IDoc/BAPI/RFC/ODBC/SOAP) while routing to the new platform (e.g., ECC → S/4HANA, EBS → Fusion). It provides per-endpoint canary cutovers, aut
🔗 Validated by Real User Complaints
This problem has been verified through 5 real user complaints:
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Competitor Landscape
- Custom strangler pattern builds on API Gateways
- Talend/Infor ION migration accelerators
- SAP SLT + Event Mesh (partial)
- AWS Database Migration Service (DMS)
Must-Have Features for MVP
Protocol emulation for RFC/BAPI/IDoc/SOAP/REST
Schema translator with semantic diff and test harness
Per-integration canary routing and health scoring
Bi-directional CDC with conflict resolution
Automated switchback with queued reconcile
Observability: message tracing and reconciliation views
Security: certificate pinning, SSO, and audit logs
Prebuilt blueprints for ECC→S/4 and EBS→Fusion
Disaster-recovery and throughput scaling
⚠️ Potential Challenges
- Performance overhead at proxy layer for high-volume IDocs
- Data consistency guarantees across CDC + API writes
- Change governance with multiple teams and vendors
- Complex custom objects and user-exits needing mapping
Risk Level: High
🎯 Keys to Success
- Zero unplanned downtime during cutovers
- Meeting vendor EOL dates without partner rework
- 95%+ parity on priority transactions before full cutover
- Auditable migration trail for regulators and auditors
Ready to Build This?
This expert-difficulty project could be your next micro-SaaS success.