what is a CDN & How Does it works

Introduction 

Have you ever thought about how the content of your websites is delivered all over the world? Content Delivery is one of the things that deliver your website content worldwide and helps connect nations altogether. CDN is also known as the content delivery network. 


It is a distributed group of servers which works together to deliver fast internet content. All type of content delivery is possible through CDN. It can be used to deliver mostly each and every content of your websites like HTML pages, JAVA script, text, files, images, videos, and all the important things which make your website complete.

How Does CDN Works 

To minimize the distance between the visitors and your website hosting server, a CDN stores a cached version of their content in multiple locations ( a.k.a, points of presence, or PoPs) each PoP Contain a number of cache servers which deliver the content to the visitors. 


CDN delivers your content in many places, providing updated coverage to the users. Let me tell you if a person is searching for a particular thing from a US-hosted website and if he is sitting in the UK the content can be delivered easily. It is done through the local UK - POP. This is much quicker than the blink on an eye and this is how CDN works. Let us now check who uses a CDN.

Benefits of CDN 

  1. As we all know nowadays speed of a website has become an important element of the online world. Latency and speed issues tend to cripple web businesses and cause damage. A reliable CDN ensures the loading speed so that the online transactions of the website does not affect.


  1. When it comes to reliability if I would say like most of you have probably encountered hosting downtime. However, because of CDN’s architecture setup, it gives you reliability. If it happens to be down it simply passes the request onto the next one. This will lower your downtime and give you a pleasant experience.


  1. In the case of security CDN security features inside SSL certificate and secure token by enabling the SSL certificate, you are ensuring that everything is encrypted between the CDN edge server and the origin server. A CDN will always have an eye on your website traffic that helps your website to always be up and running. 

Who Uses a CDN 

CDN is mainly used by large commercial and E-Commerce website companies that have their users spread across the globe and also for that website and mobile apps which has a lot of dynamic content in it. With the help of CDN organization can get many benefits. As organisations can offload content delivery shared by third-party websites. Most Website users use CDN so that they can deliver and provide full secure, responsive and fault-tolerant connectivity to their customers.

Conclusion 

Hope you have explored this article and got to know more about what CDN is and how it works to deliver fast, efficient and secure deliver to content for the website. 


Source - https://harrychristian.livejournal.com/9323.html

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