Migrating from AWS App Mesh to Amazon ECS Service Connect: A Smooth Transition

AWS is sunsetting AWS App Mesh on September 30th, 2026. This post details strategies for migrating from App Mesh to Amazon ECS Service Connect, a managed service offering improved reliability and observability for containerized microservices. Key differences between the two services are highlighted, including built-in health checks, outlier detection, and enhanced CloudWatch integration. A blue/green deployment strategy is recommended for minimizing downtime during the migration. The article also compares features like traffic routing, observability, security, and resource sharing.