Highly Available Multi-AZ AWS Cloud Architecture 2026 • Designed a highly available multi-AZ infrastructure on AWS: VPC spanning two Availability Zones, with dedicated public and private subnets per application layer (frontend, backend, database). • Set up a CloudFront CDN paired with AWS WAF for protection against application-layer attacks (SQL injection, XSS) and optimized content delivery latency. • Distributed traffic via an Application Load Balancer to ECS services with Auto Scaling (frontend and backend), ensuring infrastructure elasticity based on load. • Deployed Amazon RDS in primary/