System Design: CDN Architecture — How Cloudflare and...

A deep-dive into CDN system design for senior engineering interviews — covering edge caching, anycast routing, cache invalidation.

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Mastering system design requires both breadth and depth.

If you're new to system design interviews, start with our system design interview framework.

Senior candidates face a higher bar — see our guide on system design for senior engineers.

Understanding distributed systems fundamentals is essential for senior-level design rounds.

Related reading: Coding Interview Patterns Deep Dive: Master the 15 Patterns.

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