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System Design · Concept

CDN

A CDN is a distributed network of proxy servers that serves content from locations near users. It can improve performance and reduce requests to origin servers.

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In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Domain name system
  • Push CDNs
  • Pull CDNs
  • Caching
  • Cache-aside

Source: GitHub - donnemartin/system-design-primer: Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.. Checked 2026-11-03.