Capstone Project

Multi-Region Platform Resilience

A disaster recovery and high-availability architecture across two AWS regions using Route 53 failover, cross-region RDS replication, and automated runbooks for recovery validation.

Role: Platform / SRE EngineerTimeline: 8 weeksCategory: Platform Engineering

AWS Route 53
RDS Multi-Region
Terraform
CloudWatch
Lambda
S3

GitHub Live Demo Case Study

Overview#

This project built a multi-region active-passive architecture on AWS, ensuring production services could survive a full regional outage with a recovery time objective under 15 minutes.

Problem#

A single-region platform creates an existential risk for any service with uptime SLAs. When us-east-1 has an incident, there is no fallback path.

Solution#

Route 53 health-check-based failover routes traffic to us-west-2 automatically. Cross-region RDS read replicas are promoted to primary during a failover event. Recovery runbooks are automated via Lambda and validated in monthly game days.

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