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PostPosted: Fri Aug 12, 2016 3:49 pm 
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How Does A CDN Work To Solve Web Performance Issues?


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PostPosted: Fri Aug 12, 2016 4:29 pm 
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A CDN or a Cloud Delivery Network is an interconnected network of servers that have been strategically placed across the globe to enhance web content delivery, improve online user experience, and reduce loading times.

By providing an interconnected network that is tuned for reliability, scalability, and speed, CDNs helps web entities to bypass the problematic issues of the standard internet. Thus, they ensure quicker and more reliable delivery of web content. Website owners can depend on CDNs to balance the traffic loads efficiently, scale dynamically to manage and accommodate any traffic surges, and detect and remove security threats.

While a CDN also solves ancillary issues like enhancing global availability and reducing bandwidth, the main issue it tackles is that of latency, which is the amount of time it would take the host server to receive, process, and deliver on a request for a page resource, like an image or CSS files. Latency depends on the distance between the user and the server. The farther a user is from the server, the higher would be the latency. It also would depend on the amount of resources contained by a webpage. Here, CDN helps by caching static resources in distributed servers across a region, or even worldwide, massively reducing the round trip time.


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