About This Architecture

Multi-AZ transport ticketing system leveraging Route 53, CloudFront, WAF, and Cognito for global access and security across two AWS availability zones. Traffic flows through ALB to containerized Ticketing API and Journey Planner services, with Lambda handling payments via SQS, while RDS Aurora and DynamoDB provide resilient data persistence. This architecture demonstrates high-availability best practices: redundant compute across AZ-1 and AZ-2, read replicas for databases, and SNS for asynchronous notifications to passengers and operators. Fork this diagram to customize subnets, instance types, or add additional regions for your transport network. The design isolates public, application, and data tiers within VPCs, enforcing least-privilege access and enabling independent scaling of API, portal, and admin dashboard workloads.

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How do I design a highly available transport ticketing system on AWS across multiple availability zones?

This diagram shows a production-grade multi-AZ ticketing architecture spanning us-east-1a and us-east-1b with redundant ECS Fargate APIs, EC2 Journey Planners, Lambda payment services, and RDS Aurora primary-standby databases. Route 53 DNS, CloudFront CDN, and WAF provide global access and DDoS protection, while SQS decouples payment processing and SNS delivers notifications to passengers and oper