About This Architecture

Multi-AZ microservices platform spanning three AWS availability zones with EKS clusters, Oracle RDS read replicas, and MSK message brokers for fault tolerance. Traffic flows through WAF and CloudFront CDN to Route 53, which distributes requests across three Application Load Balancers fronting EKS nodes in private subnets. EKS nodes communicate with RDS Oracle Primary (with Standby and Replica), ElastiCache Redis clusters, and MSK brokers across isolated security groups and subnets. EKS Control Plane, Secrets Manager, and CloudWatch provide orchestration, secrets management, and observability across all three AZs. This architecture demonstrates production-grade resilience, compliance-ready isolation, and enterprise database replication patterns. Fork and customize this diagram on Diagrams.so to adapt subnet ranges, instance types, or add additional AWS services like RDS Proxy or EventBridge.

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How do I design a highly available AWS microservices platform across multiple availability zones with EKS, RDS, and Kafka?

This diagram shows a three-AZ AWS architecture with EKS node clusters in private subnets, RDS Oracle Primary/Standby/Replica for data resilience, and MSK brokers for event streaming. Route 53 distributes traffic across ALBs in each AZ, while WAF and CloudFront protect the edge, and Secrets Manager secures credentials across all zones.