Modernization Plan
MainframeExit-BankA · COBOL → Java 21 · Strangler Fig migration
Overall Progress
30%Total Modules
138
Total LOC
380k
Target Services
34
Stakeholders
Anna Easwaramoorthy
Enterprise Architect · BankA
James Okonkwo
Senior Developer · BankA
Tan Chen
Program Director · BankA
Sarah Kim
SI Lead · Accenture
Raj Patel
Cloud Architect · AWS
Risk Register
Semantic drift in CUST-ONBOARDING PII handling
Open
Spring Batch chunk size not validated under peak load
Open
Strangler adapter latency impact on SLA
Mitigated
IP contamination risk from third-party COBOL library code
Mitigated
Phase Roadmap
Translate and validate high-priority batch processing, payroll computation, and accounting reconciliation modules.
modules
40
loc
114k
validated
96.4%
Milestones
Data Flow Architecture
Legacy Repo
COBOL/Mainframe
Static Analysis
AST + Call Graph
LLM Translation
RAG + Fine-tuned
Test Generation
Auto + Differential
Validation Harness
95% threshold
PR + Human Review
Role-based approval
CI / Cutover
Production