# ARC Region switch — Documentation Links

Curated documentation index for Amazon Application Recovery Controller (ARC) Region switch.
Load this to answer "where are the docs for X" questions and to attach doc links to answers.

| Topic | URL |
|-------|-----|
| Region switch overview | https://docs.aws.amazon.com/r53recovery/latest/dg/region-switch.html |
| About Region switch (plans, workflows, evaluation) | https://docs.aws.amazon.com/r53recovery/latest/dg/region-switch-plans.html |
| Components & concepts | https://docs.aws.amazon.com/r53recovery/latest/dg/components-rs.html |
| Add execution blocks (per-block reference) | https://docs.aws.amazon.com/r53recovery/latest/dg/working-with-rs-execution-blocks.html |
| Working with Region switch | https://docs.aws.amazon.com/r53recovery/latest/dg/working-with-rs.html |
| Creating a plan | https://docs.aws.amazon.com/r53recovery/latest/dg/working-with-rs-create-plan.html |
| AWS Regions & endpoints | https://docs.aws.amazon.com/r53recovery/latest/dg/aws-regions-rs.html |
| Region switch API Reference | https://docs.aws.amazon.com/arc-region-switch/latest/api/Welcome.html |
| AWS CLI arc-region-switch reference | https://docs.aws.amazon.com/en_us/cli/latest/reference/arc-region-switch/index.html |
| Route 53 Health Check Execution Block vs Routing Controls comparison | https://docs.aws.amazon.com/r53recovery/latest/dg/route53-health-check-block.html#region-switch-compare-routing |
| Security & IAM for Region switch | https://docs.aws.amazon.com/r53recovery/latest/dg/security-iam-region-switch.html |
| Logging and monitoring | https://docs.aws.amazon.com/r53recovery/latest/dg/logging-and-monitoring-rs.html |
| Quotas | https://docs.aws.amazon.com/r53recovery/latest/dg/quotas.region-switch.html |
| Terraform provider | https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/arcregionswitch_plan |
| Multi-region resilient microservice demo | https://github.com/aws-samples/sample-multi-region-resilient-microservice-on-aws |
| Cross-account access best practices | https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html |
| S3 security best practices | https://docs.aws.amazon.com/AmazonS3/latest/userguide/security-best-practices.html |

**When to link:**

- How-to questions → "Working with Region switch" or "Creating a plan"
- Architecture questions → "Components & concepts"
- Availability questions → "AWS Regions & endpoints"
- API/automation questions → API Reference or CLI reference
- Security questions → "Security & IAM" or "Logging and monitoring"
- Limits questions → "Quotas"
- IaC questions → "Terraform provider"
- General overview → "Region switch overview"