AWS2d ago
Building multi-Region resiliency for AWS CloudFormation custom resource deployment
Here is a concise 3-sentence summary of the engineering blog post: A team at AWS designed an active-active multi-Region architecture to provide resiliency for AWS CloudFormation custom resource deployment, addressing native gaps in fan-out, execution, and failover mechanisms. The solution utilizes Amazon DynamoDB Global Tables for distributed locking, idempotency, and state tracking, along with Amazon Application Recovery Controller for automated failover and Amazon SNS for cross-Region event fan-out. This architecture enables mission-critical workloads to handle regional failures, achieving high availability and preventing duplicate processing risks in multi-Region custom resource designs.
CloudArchitecture
1 min