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Platform & Infra Services

Design a Content Delivery Network (CDN)

A globally-distributed edge caching layer that serves static and dynamic content from points of presence near the end user to minimize latency.

Open and Simulate this Architecture in InfraDraft

Core Architectural Components

Edge Point-of-Presence Cache Nodes

Geographically distributed servers caching content close to end users.

Origin Shield / Origin Pull Service

Protects the origin server from a thundering herd of cache misses.

DNS-Based / Anycast Request Routing

Directs each user to their nearest healthy edge node.

Cache Invalidation/Purge Service

Propagates content updates or deletions across every edge node.

TLS Termination at the Edge

Handles HTTPS close to the user for lower connection latency.

Content Compression & Optimization Layer

Reduces payload size in-flight for supported clients.

Real-Time Traffic/Hit-Rate Analytics

Reports cache performance and traffic patterns per edge location.