How to migrate mission-critical systems without disrupting business operations.
By Sarah Chen
Introduction
Migrating enterprise systems to the cloud unlocks agility and scalability — but downtime can cost millions. Zero-downtime migrations ensure business continuity while transitioning critical workloads.
Key Strategies
Blue-Green Deployments: Maintain two identical environments to enable seamless traffic switching.
Database Replication: Use live replication and cutover strategies for stateful workloads.
Automated Health Checks: Detect migration issues early to prevent downtime.
Best Practices
Conduct staged rollouts using canary environments.
Use Infrastructure-as-Code (IaC) for repeatability.
Continuously test rollback scenarios.
Conclusion
Zero-downtime migrations demand planning, automation, and monitoring discipline — ensuring continuity while modernizing at scale.