AWS ARC Region Switch Adds Systems Manager, Lambda, Target Group Health, and Execution Role Capabilities
Amazon Application Recovery Controller Region Switch introduced four new features to streamline multi-Region application failover orchestration. The update adds support for Systems Manager Run Commands, Lambda invocations, Application Load Balancer target group health checks, and IAM execution role specification.
Amazon Application Recovery Controller Region Switch assists engineering teams in orchestrating multi-Region application failovers to maintain recovery time objectives during Regional outages. The latest update expands automation capabilities by integrating AWS Systems Manager Run Commands and AWS Lambda functions directly into recovery workflows. This enables automated execution of operational scripts and custom logic during a traffic shift.
Primary source
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Comparison
| Aspect | Before / Alternative | After / This |
|---|---|---|
| Recovery Orchestration | Manual or custom scripting outside of standard ARC steps | Native integration with Systems Manager Run Commands and Lambda functions |
| Health Verification | Generic routing controls and manual health checks | Native monitoring of Application Load Balancer target group health |
| Permissions | Default permissions scoping | Explicit IAM execution role specification per action |
Action Checklist
- Review existing ARC Region Switch plans for potential custom automation steps Identify manual steps that can be replaced with Lambda or Systems Manager actions.
- Configure ALB target group health monitoring within ARC recovery plans Ensure health checks accurately reflect application availability before shifting traffic.
- Assign specific IAM execution roles to ARC action steps Apply least privilege principles to all newly integrated tasks.
