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---
title: "CloudFront"
type: entity
tags: [CDN, AWS, Networking]
sources: [ctp-topic-7-saas-landing-zone-design]
last_updated: 2026-05-06
---
## CloudFront
AWS 内容分发网络CDN服务托管于全球边缘节点用于加速静态和动态内容的分发。
## Role in AWS Landing Zone
在 [[ctp-topic-7-saas-landing-zone-design]] 定义的 SAS LZ 产品账户中:
- **位置**Product Account 入站安全/加速层(可选)
- **入站链路**:用户 → CloudFront → WAF流量监控→ Load Balancer公有子网→ 工作负载(私有子网)
- **用途**CDN 加速内容分发,减少源站负载
## Key Properties
- **Type**: CDN (Content Delivery Network)
- **Vendor**: AWS
- **In SAS LZ**: 可选部署于产品账户入站链路
- **Position in stack**: CloudFront → WAF → Load Balancer → Private Subnet Workloads
## Connections
- [[ctp-topic-7-saas-landing-zone-design]] — SAS LZ 产品账户入站架构
- [[ctp-topic-7-saas-landing-zone-design]] — WAF 和负载均衡器协同工作的 CDN 层