Multi-AZ AI-powered university helpdesk architecture leveraging AWS CloudFront, ALB, ECS, Lambda, and RDS Aurora for high-availability student support across admissions, exams, hostels, and campus services. Traffic flows from students and faculty through WAF and CloudFront CDN to an Application Load Balancer, which routes requests to containerized ECS Helpdesk API instances and serverless Lambda functions for NLP processing and RAG-based chatbot responses. The data layer spans RDS Aurora primary-standby replication, DynamoDB Global Tables for session management, OpenSearch for RAG indexing, and S3 document storage, with SageMaker, Bedrock, and Comprehend providing ML-driven sentiment analysis and multilingual support. Dual availability zones (us-east-1a and us-east-1b) with Auto Scaling Groups, NAT Gateways, and Shield Advanced ensure fault tolerance, DDoS protection, and elastic capacity during peak enrollment periods. Fork this diagram to customize subnets, add additional AZs, integrate Cognito user pools, or extend analytics with QuickSight dashboards and Redshift data warehousing.