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Question 40 of 50

Part 4: API Design, Security & Edge Networking (37 - 43)

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System Design (50 Qs)•Part 4: API Design, Security & Edge Networking (37 - 43)

Content Delivery Networks (CDNs): Edge Caching & Anycast Routing.

In Simple Words: Geographically distributed network of proxy servers that cache static assets and dynamic responses close to end users.

  • Anycast BGP: Routes client DNS queries to the topologically nearest physical datacenter.
  • Cache-Control Headers: s-maxage, stale-while-revalidate, and instant tag purging.