Core Banking System Migration to Cloud

Challenge

OCB Bank ran mission-critical core banking on aging on-premise hardware with 99.5% SLA. Any downtime risked regulatory penalties and customer trust. The 15-year-old system needed re-platforming without interrupting 24/7 banking operations.

Solution

ICTI executed a phased migration using AWS DMS, blue-green deployment strategy, and comprehensive rollback planning. The new cloud architecture uses RDS Aurora, ElastiCache, and API Gateway, cutting infrastructure costs 40% while improving response time.

• Blue-green deployment with instant rollback capability
• AWS RDS Aurora Multi-AZ for 99.99% availability
• Data validation engine comparing 100M+ records
• Regulatory compliance: SBV data residency requirements