What Does CDN Stand For? And Other CDN-Related Questions


We answer the questions for this article, “What does CDN stand for? “What is CDN? “How does the CDN work? “And why do I need a CDN?

One thing that now takes over the technology world is CDNs. A CDN or Content Delivery Network is an interconnected series that enhances the time of loading of web pages by reducing the actual distance between the user and the server. The same premium media available online, minus the slow loading time, allows web visitors and Internet users to enjoy.

When a company does not use a CDN, the origin servers are solely responsible for responding to the request of every end-user. If this happens, massive traffic is bound to overload these origin servers, and this increases the likelihood of server failure.

As the CDN responds to user requests on behalf of origin servers, it removes a lot of traffic from these servers and enhances the overall web and digital experience.

A thorough geographic placement of the CDN helps in the accurate distribution of data and media to servers near the end-user group, too, so it doesn’t matter where you are. By clicking on a website photo or watching a movie online, you are likely to enjoy the same quality of media with the help of a CDN.

How do CDNs work?

Perhaps half — if not more — of internet traffic is handled by a CDN. Business leaders need to understand that the primary goal of the CDN is to improve latency; that is, to remove the unnecessary delay between the complete loading of the web page and the request to do so. This is done by compromising the actual distance that the travel request requires.

For instance, an Asian end-user requiring access to content from a US-based server may encounter slow loading times if the actual request still has to travel several seas. To get rid of this, CDNs keep a cached model of your site content in several key topographical areas around the globe. This is referred to as PoPs or points of presence. These PoPs store separate caching servers that are responsible for delivering and displaying content in the end-user area, wherever it may be.

Devices that run web browsers, or user-agents, initiate requests on behalf of the content required to load web pages such as JavaScript files, images, CSS, and HMTL. How this works is simple: content requests would cause the end-user to be connected to a server that is geographically suited to it. The server will then respond to the pre-saved version of the requested files.

If for whatever reason, the media can not be identified, it resorts to locating content on neighboring servers inside the CDN network before submitting the correct response to the site user.

But if you think the only function of a CDN is to deliver content to end-users around the globe, you ‘re wrong. Also, CDNs provide other types of content, such as applications and software downloads, audio streaming, HD quality video clips, data records, and even OS updates. The list can go on, tell the truth. Possibly, digitized data in any form can be transmitted by and through a CDN.

What does Content Delivery Network Providers do?

In its most straightforward words, a CDN provider provides businesses the opportunity to communicate their content through the content delivery network to internet visitors wherever their users are around the world. Cloudflare CDN is a perfect example of a CDN provider.

Is using a CDN necessary?

CDNs present a simplified way to speed up the website while reducing latency. They are, therefore, crucial for the efficient, secure, and speedy delivery of content to internet users around the globe. As stated earlier, the CDN function is not limited to delivering content from sites on its own. It also can conduct downloads, media streams, and software updates.

With digital attention growing shorter as each day progresses, it is necessary to deliver content as quickly, ultimately, and efficiently as possible.

As almost every business is also trying to make its mark in the digital world, the rest of society is wrapping up their lifestyles and decisions on what the web has to offer. This makes it difficult for entrepreneurs to stay relevant, but it also makes it easier for them to reach their market.

CDNs are designed to provide tailor-made support to help these companies reach and attract their audiences in a personalized way. From providing regionally-exclusive content to personalizing web format by making sure that it supports a device, CDNs are a secure investment that will enhance your digital efforts.

Mark Funk
Mark Funk is an experienced information security specialist who works with enterprises to mature and improve their enterprise security programs. Previously, he worked as a security news reporter.