AWS 3-Tier Web Application Architecture
The classic interview design question end to end: CloudFront and WAF, an ALB, a stateless app tier, a Valkey cache and Aurora across three AZs; sessions, static assets, secrets and observability; what an AZ failure, a blue/green deploy and a traffic spike do to it; the four DR strategies with RTO, RPO and cost; and how the design evolves.
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More Cloud topics
- Application Gateway — layer-7 load balancer and WAF
- Application Migration Service (Transform MGN) — Lift-and-Shift Rehost
- AppSync — GraphQL and Real-time APIs
- ARC — Application Recovery Controller
- Aurora — Cloud-Native Relational Database
- Auto Scaling — EC2 Auto Scaling and Application Auto Scaling
- AWS Backup — Centralized Backup Management
- AWS Config — Resource Configuration History
- AWS Control Tower
- AWS Cost Optimization — Visibility, Commitments and Waste
- AWS Disaster Recovery — RPO, RTO and Recovery Strategies
- AWS Glue — Serverless ETL & Data Catalog
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