How should I design AWS networking for performance and safety?

Plan VPC CIDR ranges, split public/private subnets across AZs, use NAT gateways for outbound, and VPC endpoints for private access to AWS services. Keep routing simple, secure with security groups, and accelerate delivery with CloudFront. Measure latency and errors to find hotspots.

TL;DR

Related: Architecture & Design • Data, Storage & Databases • Containers & Kubernetes

Networking & Performance — RCCPI

Networking & Performance

Fast, resilient networking that scales.

Networking patterns

  • VPC CIDR planning; public/private subnets per AZ
  • NAT gateways per AZ; route tables kept simple
  • VPC endpoints for S3/DynamoDB to avoid public egress
  • PrivateLink/peering for partner connectivity

Performance boosts

  • ALB + autoscaling for bursty traffic
  • CloudFront CDN with cached static assets
  • RDS read replicas and query tuning
  • Observability to locate hotspots

Next step

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