!!! Overview [1]
[{$pagename}] or content distribution network ([CDN]) is a geographically distributed network of [proxy] servers and their [data] centers. 

[{$pagename}] goal is to distribute service spatially relative to [End-Users] to provide high [availability] and high performance. 

[{$pagename}]s serve a large fraction of the [Internet] content today, including web objects (text, graphics and scripts), downloadable objects (media files, software, documents), applications (e-commerce, portals), live streaming media, on-demand streaming media, and [Social Websites].

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Content_delivery_network|Wikipedia:Content_delivery_network|target='_blank'] - based on information obtained 2017-07-17-