23rd September 2021
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 closer servers, also called PoPs or Points of Presence, also cache the cacheable content which removes a lot of the load from the origin server. There are different types of CDNs offering different kinds of services, and they can have differing network topology: scattered CDNs aim to have as […]