Chapter 10: What Is a CDN and How Does It Work?
by Bruno Škvorc
CDN - you keep seeing the acronym. Maybe in URLs, maybe on landing pages, but it never quite clicked - what are Content Delivery Networks, what do they do exactly?
We'll explain in this overview article, and demonstrate on two popular ones in followup posts.
CDN Basics
A CDN is a network of computers that delivers content.
More specifically, it's a bunch of servers geographically positioned between the origin server of some web content, and the user requesting it, all with the purpose of delivering the content faster by reducing latency. This is their primary purpose.
These geographically ...
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