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What is a CDN and How You Can Use it to Optimize Video Streaming?

By Bareerah Shoukat
A graphical representation of a CDN network

It can be frustrating when you decide to watch a favorite video, and it lags. How about an important live conference that keeps buffering? These issues can be annoying. As an organization, you would want to share content with the maximum number of people seamlessly. Here is where the concept of CDN for video streaming comes in.

Approximate 63.2% of the world population use the internet. Furthermore, it is expected that by 2022, 72% of all internet traffic will cross CDNs. This just goes to show how much important using a CDN is.

In this blog, we’ll explain what a Content Delivery Network (CDN) is and how they work. Furthermore, we will be discussing the value of CDNs in video streaming and it's benefits.

What is a CDN (Content Delivery Network)?

In simple words, a CDN refers to a system that has geographically dispersed servers to transfer media files by caching them. As a result, they provide a high-quality and seamless video experience. These networks typically cache content and store it in multiple locations. The video is then streamed from the nearest server to the user. 

Content Delivery Network is also referred to as “Content Distribution Network.” The terms are used interchangeably.

Businesses, in particular, can’t afford the cost of deploying servers worldwide when it comes to the increasing demand for data. As a result, they usually rely on CDN providers (Akamai, Cloudflare etc.) who have their servers deployed globally, for their content delivery.

The Mechanics of a CDN

Content can be of any type, such as text, videos, images and much more that can go through a CDN. It basically allows a dispersed network of servers for your content. Typically, what happens is when a viewer requests to see content, it is directed towards the nearest server or the “edge” server that serves the content.

Simple Explanation of How CDN Works

The distance between the server and the user adds potential latency to the internet connection. Essentially, CDN video streaming can make up a smooth streaming experience. A top-notch CDN maximizes quality and reduces buffering for secure video streaming.

The speed of content reaching your device depends on the internet speed and the distance from the origin server. For instance, a video may load very slowly if the server is located at a distance and may load quicker if it's fetched from a nearby CDN that has it cached.

Why Use a CDN for Video Streaming?

By connecting servers worldwide, CDNs cut down the time to deliver video content from origin to end-user. Benefits of CDN Video Streaming includes:

  • Reduce Latency by Minimizing Distance

The principle is the same as described in the above paragraph. The closer the server is to the end-user, the faster the video will load and play.

  • Origin Server is Not Overloaded (Load Balancing)

Instead of overwhelming the origin server, a group of servers can handle streaming video to hundreds of viewers far better than just a single server.

  • Content Doesn’t Exceed the Bandwidth

Just like limiting cars to one lane can increase traffic, similarly, a network can pass through data within its bandwidth. If a stream happens to deliver from multiple CDN servers, the network is less likely to be stuffed with traffic.

Make the Most Out of CDNs

The best way to make the most out of CDNs for video streaming is to use a video hosting platform. As a business, you need more of a professional platform that will provide a user-friendly interface and automatically enhances video delivery by caching it on a CDN based on your viewers' location. You’ll be getting the benefits of a CDN and a video platform all at once.

You must be wondering, a video hosting platform! But which one? Our suggestion VIDIZMO. Video Streaming CDN is not only about catering to buffering issues. It has other factors that a video content management such as VIDIZMO can offer.

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We provide HTTP live streaming (HLS) that supports almost every device and operating system. Apart from that, rich security is another factor offered by VIDIZMO. For example, you can restrict user access to videos by limited sharing, such as the number of views, link expiry time, or role-based access. You can also limit by segregating your content in user groups and permitting desired roles to access the content.

You can even monitor and track the activity of people by audit trails. VIDIZMO also provides a responsive HTML5 online video player to be embedded on any website. It is customizable and can complement your brand colors. Thus, you can utilize cutting-edge technology to your advantage.

Wrapping Up

CDN video streaming combined with a video hosting platform is the one to opt for to cater to your peace of mind. After all, why should online video delivery be this complex? VIDIZMO ensures you get the highest quality and no service disruption by utilizing all CDN capabilities.

If you are still looking for the right video hosting platform, make the most out of VIDIZMO’s free trial today.

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