Multi-Region event-driven failover architecture with Amazon EventBridge and Route 53
Compute Blog
This article demonstrates building a resilient multi-region event-driven architecture using Amazon EventBridge, API Gateway, and Route 53 health-based failover for automatic regional failover.
- Active-passive multi-region architecture with automatic failover between AWS regions
- Route 53 health checks monitor primary region and route traffic to secondary on failure
- Regional independence reduces latency; events processed in originating region
- DynamoDB Global Tables replicate data automatically across regions
- EventBridge buses receive events via API Gateway integration in each region
- Lambda functions process events from SQS queues and write to DynamoDB
- Solution includes deployment steps, testing procedures, and failover verification
- Health checks detect failures in 90 seconds; automatic traffic rerouting occurs
- Requires registered domain, ACM certificates, and AWS SAM CLI for deployment
The architecture provides automatic failover for event-driven applications while maintaining simplicity and regional data independence, suitable for organizations with strict availability requirements.
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