What is CDN?

The Content Delivery Network (CDN) is a geographically distributed group of servers that work together to provide fast delivery of online contents. Most of the web traffic across the world are currently routed through these networks. It is used by tech giants like Netflix, Facebook, Amazon and others to host geographically relevant contents close to where they consumed so that the users can access them faster. It also protect these sites from traffic spikes, Distributed Denial of Services attacks etc.

Several large online platforms were shut down for a short duration recently because of a technical issue with the CDN of American cloud computing service provider Fastly.

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