Chapter I: Networking & Web Fundamentals
Content Delivery Network (CDN)
Geographically distributed edge servers that deliver content close to users.
In short
A CDN is a network of edge servers that caches content close to users to cut latency and origin load.
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Key takeaways
- Edge servers cut latency by serving content near users.
- Pull CDNs auto-fetch from origin; push CDNs are manually populated.