Content Delivery Network (CDN) refers to a collection of servers that are strategically located around the world. These servers offer content from a single source to end-users with high redundancy and near-instantaneous global coverage.
A CDN is an internet-based service that stores content and distributes it on-demand to users around the world. The cache content in different data centers and can speed up the delivery of webpages, images, video, and other media by delivering the data from the closest location.