Regional and Global AWS Architecture

• There are 3 main type of architectures:
  • Small scale architectures: one region/one country
  • Small architecture with DR: one region + backup region for disaster recovery
  • Multiple region based systems
• Architectural components at global level:
  • Global Service Location and Discovery
  • Content Delivery (CDN) and optimization
  • Global health checks and Failover
• Regional components:
  • Regional entry point
  • Scaling and resilience
  • Application services and components

Web Tier : Customer facing layer. There would be regional based services like ALB or API gateway dependig on application architecture. Abstracts customers from underlying architecture. Compute Tier: The infra to web tier is provided by compute tier using EC2, lambda or containers. Storage Services: Service like EBS, EFS or S3. Data Storage: Products like RDS, Aurora, DynamoDB, and RedShift. Caching: Elastic cache for general caching, DynamoDB acclerator(DAX) App Services: Kinesis, Step Functions, SQS, SNS