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DNS/DNS/GSLBEDGEEdge USEDGEEdge EUEDGEEdge AsiaORIGOrigin ServerBLOBBlob StorageSSL/SSL/TLS

Content Delivery Network

A Content Delivery Network is a geographically distributed network of proxy servers and data centers. The goal is to provide high availability and performance by distributing the service spatially relative to end-users. CDNs deliver static content like images, videos, and stylesheets.

Key Components

Edge Servers (PoPs)
Origin Server
DNS-based Global Load Balancing
Caching Layer
SSL/TLS Termination

Design Challenge

Ensuring cache consistency and efficient invalidation across thousands of edge locations.

Open in Playground