CDN commonly known as "service edge node." It can be used to speed up the site, the source station to a content distribution node closest to the user, so that users can go to obtain the desired content, improve response time and success rate of user access. Address the distribution, bandwidth, server performance brings access latency problem for accelerating the site, on-demand, broadcast and other scenes.
There service edge node (Edge Node Service, ENS) CDN edge-based elastic infrastructure that allows you to calculate, forwarding and other services to the edge of the sink. Reduce response delay and bandwidth costs, reduce pressure center cluster for "Edge + Center" under all kinds of business architecture model.
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