Healthcare & Life Sciences
Healthcare workload migrates to AWS with near-zero downtime
A healthcare operations team needed to leave aging on-premises hardware while protecting patient-facing uptime and data integrity.
Challenge
Dependencies across apps and databases made a big-bang cutover too risky. Leadership required clear rollback plans and post-migration cost discipline.
Approach
- Discovery and dependency mapping ahead of wave planning
- Landing zone with multi-account isolation and backup baselines
- Database replication with AWS DMS and validated cutovers
- Blue-green application cutover for critical user paths
- Immediate rightsizing and cost checkpoints after each wave
Results
- Near-zeroUser-facing downtime at cutover
- PhasedWaves with rollback readiness
- Day-oneCost visibility post-migration
Related services
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