About This Architecture

Multi-AZ online learning platform leveraging CloudFront CDN, AWS WAF, Route 53, and Cognito for secure global content delivery and authentication. Traffic flows through ALB to EC2 API servers and ECS course services across two availability zones, with Lambda functions handling async tasks like quiz grading, certificate generation, and badge awarding. RDS PostgreSQL with read replicas, DynamoDB sessions, ElastiCache Redis, and OpenSearch provide resilient data persistence and search, while SQS decouples job processing and API Gateway manages service-to-service communication. This architecture demonstrates high availability, auto-scaling, and separation of concerns across presentation, application, and data tiers. Fork and customize this diagram on Diagrams.so to adapt subnet ranges, instance types, or add additional AWS services like Amplify or EventBridge.

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How do I architect a scalable online learning platform on AWS with high availability and microservices?

This diagram shows a multi-AZ SaaS architecture using CloudFront for CDN, Cognito for authentication, RDS PostgreSQL with standby replicas for data, and Lambda functions for async tasks like quiz grading and certificate generation. ALB distributes traffic across EC2 and ECS services in two availability zones, while ElastiCache, DynamoDB, and OpenSearch provide caching, session management, and sear