AWS Well-Architected: Reliability Pillar Multi-AZ Architecture

Highly available multi-AZ architecture implementing the Well-Architected Reliability Pillar with Route 53 health checks, ALB cross-zone load balancing, Auto Scaling ECS services, Aurora Multi-AZ database with read replicas, ElastiCache for session state, S3 for durable storage, and SNS alerting for …

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Highly available multi-AZ architecture implementing the Well-Architected Reliability Pillar with Route 53 health checks, ALB cross-zone load balancing, Auto Scaling ECS services, Aurora Multi-AZ database with read replicas, ElastiCache for session state, S3 for durable storage, and SNS alerting for failover events. Fork this diagram on Diagrams.so to customize the failover strategy and recovery targets for your workload. Source: https://aws.amazon.com/architecture/well-architected/

AWS Well-Architected: Reliability Pillar Multi-AZ Architecture

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March 14, 2026

Updated

March 14, 2026 at 7:54 PM

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architecture

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