Generate a User Story Backlog extract that translates each entry in a legacy ATM CICS transaction log into epics with microservice boundary constraints

Legacy ATM CICS Transaction Log *

Microservice Boundary Strategy * Choose microservice boundary approach Transaction-based microservices (per transaction type: withdrawal, deposit, transfer) Entity-based microservices (account, card, customer, transaction) Channel-based microservices (ATM channel, mobile channel, web channel) Business capability microservices (fraud detection, balance inquiry, cash management) Domain-driven design bounded contexts Hybrid approach - combination of transaction and entity boundaries Monolith-to-microservice progressive decomposition

Regulatory Compliance Requirements * Choose primary compliance framework PCI DSS - Payment Card Industry Data Security Standard SOX - Sarbanes-Oxley Act compliance GDPR - General Data Protection Regulation FFIEC - Federal Financial Institutions Examination Council guidelines Basel III - International Banking Regulations PSD2 - Payment Services Directive 2 PCI PTS - PCI PIN Transaction Security requirements Local Central Banking Regulations

Transaction Types to Process * Select transaction categories Cash withdrawals & balance inquiries only All financial transactions (withdrawal, deposit, transfer) Non-financial transactions (PIN change, statement printing) Third-party integrations (bill payments, mobile top-ups) Fraud detection and prevention transactions Maintenance and administrative transactions Real-time vs batch processing flows Cross-border remittance transactions

Legacy System Dependencies *

User Story Granularity * Choose story size approach Epics with technical enabler stories Business-focused epics with IT integration requirements Feature-level stories with microservice mapping End-to-end user journeys with technical decomposition Sprint-ready user stories with acceptance criteria Portfolio epics with capability-based breakdown Value stream aligned epics with domain boundaries

Stakeholder Priority Matrix * Choose stakeholder priorities Digital Banking Product Owners IT Architecture Review Board Risk and Compliance Teams Operations and Support Teams ATM Network Operations Centers Customer Experience Teams Executive Stakeholders and Portfolio Managers Regulatory Reporting Teams

Performance SLAs and NFRs *

Migration Approach * Choose migration methodology Big Bang Migration - complete cutover Strangler Fig Pattern - gradual replacement Branch-by-Branch migration Transaction Type isolation Pilot microservice with rollback capability Parallel run with traffic splitting Feature toggle enabled transition

Integration Testing Requirements *