Successful migration with single-day cut over across 461 branches and 851 ATMS

Q: What is P-A-S-S™ Assurance?

It is Avekshaa's methodology for identifying performance, availability, and scalability risks in an application stack before a major change, such as a migration or platform upgrade, goes live.

Q: What technology was involved in the migration?

The bank moved from a legacy core banking stack to Finacle Core Banking, running on an Oracle database on AIX, with IBM WebSphere Application Server and a webMethods Enterprise Service Bus.

A large Indian bank needed to move its entire core banking platform, 461 branches, 851 ATMs, 300 locations, from a legacy stack to next-generation Finacle in a single day, with zero disruption to customers. No parallel run. No phased rollout. No rollback window once live.

Challenge

Big-bang cut-overs leave no room for error. The bank was running a multi-vendor legacy-to-Finacle stack under hard contractual SLAs, with a zero-defect requirement from the moment of go-live. Anything wrong had to be found and fixed before the switch, not after, a missed issue would mean financial penalties, service disruption across hundreds of locations, and reputational damage to the bank.

Finacle Core BankingOracle DB on AIXIBM WebSpherewebMethods ESB

Approach

Avekshaa applied its P-A-S-S™ Assurance methodology to identify and resolve performance, availability, and scalability risks across the stack before go-live.

Results

Post-go-live defects

80+

Issues resolved pre-launch

50+

DB-level improvements

3 yrs

Growth headroom, no added hardware

Not one branch, ATM, or channel reported a performance or availability issue after go-live, across 851 machines, on day one.

Thanks. It was quite a smooth switch over and no issue on performance. Your guys did an excellent job.

CTO

FAQ

How long did the migration take?

The cut-over itself was completed in a single day across all 461 branches and 851 ATMs, though the assurance and testing work happened over the preceding engagement period.

What is P-A-S-S™ Assurance?

Avekshaa’s methodology for identifying performance, availability, and scalability risks in an application stack before a major change goes live.

How many defects occurred after go-live?

Zero. No branch or channel reported performance or availability issues after the migration.

What technology was involved in the migration?

Finacle Core Banking, Oracle database on AIX, IBM WebSphere Application Server, and a webMethods Enterprise Service Bus.

Why Avekshaa?

Application Performance Engineering

Observability

Application Migration Assurance - Hassle free Migration

Digital Transformation with Superior Customer Experience

Production Performance Troubleshooting / Tuning

Site Reliability Engineering

Cloud Engineering

Independent Testing and Quality Assurance

Application Performance Management

Digital Experience Monitoring

Successful migration with single-day cut over across 461 branches and 851 ATMS

Challenge

Approach

Results

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