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In this article we will explain in brief everything needed to know about CDN. From what is a CDN, why its been used and to see the benefits of using a CDN.

16

Apr, 19

What is CDN?

What is CDN?

CDN stands for Content Delivery Network. In short, this is a series of servers located all around the globe which are all linked together.  In order to deliver content on the internet faster, the CDN distributes the assets needed for content to load up such as images, videos, JavaScript files and stylesheets among these servers. These are done in such a way that the content will be geographically near to the users who will access your website, which in turn improves the speed of the connection and reduces the latency. Now-a-days CDN service is gaining popularity and the majority of web traffic is distributed via CDNs, including traffic from Amazon, YouTube and Facebook.

Benefits of using a CDN:

  • Accommodate heavy traffic - CDNs helps to deliver better user experiences when downloading video and audio content.
  • Higher speeds – Being geographically closer to the users improves the connection speed and reduces latency.
  • File Mirroring –If natural disasters cause some servers to go down, then file mirroring will protect your data.
  • Data Redundancy - If a node of the CDN fails, other nodes will be able to handle the traffic.
  • Reduced costs – Reduces cost of bandwidth compared to serving traffic from a centralized location.
  • Security – Adding security protection levels at the CDN nodes and introduce DDoS attack protection mitigation.

CDN servers are located around the globe in every continent, making the content accessible to the users faster. CDNs are the ultimate cache, and the cheapest way to serve content all around the world.

Suno

I have always had a passion for computers and how it works always fascinated me. I love to reasearch and share the knowledge I gain with others in the most easiest way I think is possible. Hope you like my articles ;) .