Content Delivery Network (CDN)

What is a CDN? Content Delivery Network (CDN) refers to a group of web servers which are dispersed globally to provide a speedy delivery of content. This is much more efficient than using a central server and is typically used for websites that attract a lot of traffic. In the absence of a CDN, content origin servers must respond to every single end user request. This ends in notable traffic to the origin and subsequent load, therefore increasing the chances for origin failure if the traffic spikes are extremely high or if the load is constant. By responding to end user requests in place of the origin and in closer physical and network proximity to the end user, a Content Delivery Network (CDN) gets rid of traffic from content servers and improves the web experience, which intend benefits both the content provider and its end users. How does a Content Delivery Network Work? Content Delivery Networks (CDNs) work by providing content to users via servers that are geographically closer to them than the site’s origin server. There are exchange points between servers. A CDN will place a server at this crossover. This is called an Internet Exchange Point. Using these exchange points provides a faster delivery of data.

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