About This Architecture

Multi-AZ veterinary management system on AWS with CloudFront CDN, WAF, and Application Load Balancer routing traffic across two availability zones. ECS microservices for appointment scheduling, consultations, and treatment management connect to RDS Primary/Standby databases, DynamoDB replicas for medical history, and ElastiCache for session management. Lambda functions trigger SNS alerts, Cognito handles authentication, and S3 stores clinical files, while CloudWatch monitors the entire infrastructure for high availability and disaster recovery.

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How do you design a highly available veterinary management system across multiple AWS availability zones?

This diagram shows a production-grade multi-AZ architecture spanning us-east-1a and us-east-1b with ECS microservices for appointment, consultation, and treatment management replicated across zones. RDS Primary/Standby databases, DynamoDB replicas, and ElastiCache replicas ensure data consistency and automatic failover, while CloudFront CDN, WAF, and ALB provide edge caching and DDoS protection.