AWS Network-CDN

CloudFront#

• function

  • Improves read performance
  • DDoS protection, integration with Shield,
    AWS Web Application Firewall

• Origins

  • S3 Bucket
  • Custom Origin (HTTP)
    • EC2 instance
    • Elastic Load Balancer
    • API Gateway
    • Any HTTP backend

• Geo Restriction

  • Allow list
  • Block list

• CloudFront vs. S3 CRR

  • CloudFront
    Great for static content
  • S3 CRR
    Great for dynamic content

参考#

SAP-2 Caching Section