Three-tier AWS architecture, modern data center, cloud computing, virtual servers, load balancer, application server, database server, scalable infrastructure, secure firewall, routing rules, network segmentation, availability zones, real-time monitoring, dashboard analytics, CPU utilization graph, memory usage chart, alert systems, notification triggers, backup storage, disaster recovery plan, high availability design, redundancy mechanisms, latency optimization, content delivery network, edge locations, caching layers, SSL encryption, access controls, identity management, multi-factor authentication, role-based permissions, auditing trails.