Multi-Tier Client-Server with Load Balancer architecture diagram

About This Architecture

Multi-tier client-server architecture with AWS Application Load Balancer distributing traffic across four EC2 t3.medium instances spanning two availability zones. Application servers in private subnets connect to RDS Primary and Standby databases for relational data, plus DynamoDB tables with cross-region replication for NoSQL workloads. This design eliminates single points of failure through multi-AZ redundancy, automatic failover, and load balancing, ensuring high availability and disaster recovery for production workloads. Fork and customize this diagram on Diagrams.so to match your VPC CIDR ranges, instance types, or add additional layers like caching or API gateways.

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How do I design a highly available multi-tier application on AWS with load balancing and database failover?

This diagram shows a production-grade multi-tier architecture using an Application Load Balancer to distribute traffic across four EC2 instances in two availability zones, with RDS Primary/Standby for relational data and DynamoDB replication for NoSQL workloads. The design ensures automatic failover, zero single points of failure, and compliance with AWS high-availability best practices.

Multi-Tier Client-Server with Load Balancer

AutointermediateAWSmulti-tier architectureload balancinghigh availabilityRDSDynamoDB
Domain: Cloud AwsAudience: AWS solutions architects designing highly available multi-tier applications
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Created by

August 13, 2026

Updated

August 13, 2026 at 12:57 PM

Type

architecture

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