Multi-AZ university information system leveraging Route 53, CloudFront CDN, WAF, and Shield for global access and DDoS protection. Traffic flows through Application Load Balancers in two availability zones to EC2 app servers, ECS Fargate API services, and Lambda business logic, with RDS Aurora primary-standby replication and ElastiCache clustering for data resilience. Cognito handles authentication while S3 stores university data and DynamoDB manages sessions, all monitored via CloudWatch and audited through CloudTrail. Fork this diagram to customize subnets, instance types, or add additional services like SQS or SNS for event-driven workflows.