What Is a CDN and Why Is It Critical to Live Streaming?

What Is a CDN and Why Is It Critical to Live Streaming?
What Is a CDN and Why Is It Critical to Live Streaming?

In the current times, the whole concept of video streaming is touching the skies and is showing exponential growth over time.

CDN stands for Content Delivery Network and content distribution network. It is a distribution system that utilizes geographical services to send media files. CDN is indeed a very essential aspect which plays an important role in viral content, which at the same time helps in tapping audiences from different geographies.

This delivery network can wipe away all the roadblocks to gain traffic. As a result, the network can edge regions around the globe. This helps the distribution of content with the help of a singular server by delivering video details, images, and text in every fringe corner.

As an outcome, the outlining servers distribute the load with the former server, instead of every viewer’s appeal to watch a video crossing the whole interweb to the central location. The video CDN server nearest to the viewers offers the processing and streaming as needed. For this, the burden is distributed throughout numerals land to land servers.

How does it work?

As explained above, a content delivery network utilizes a massive row of servers, which are strategically placed around the world to deliver video streaming quickly. Once the streaming goes live or posted, it reaches all over the globe. When a viewer taps on the play button, the content distribution network server nearest offers it.

In this way, the media document is all set for another viewer in the same region after a stream has been started. The committed servers used the RTMP or real-time managing protocol as the distribution medium of the content streaming. Luckily the industry in the 2010s updated to Technologies based on HTML5.

This upgrade helped with the buffering issues and elevated the caching effectively in one great hit.

More precisely, the shift to agreements like dynamic adaptive services over MPEG-DASH HTTP and Apple HLS or HTTP Live Streaming religion narrated the power of content distribution networks to streaming services.

The reason being, these new Technologies work on good HTTP web servers. They do not rely on dedicating solely to RTMP servers. Nowadays, distributing content network streaming with the power of HTTP puts a stop to buffering. It also helps with the stream crashes by putting duplicates of the media folder near to the viewers.

These cashing fits utilities make a huge difference even in the field of broadcasting live. The cached portion of the live streams can channel the leg down of the startups to sub-five seconds.

On top of that, it effectively diffuses the burden on the former server. They are making sure that the viewers get a more relaxed streaming experience.

Advantages of using video CDN for streaming

  • Infrastructure at a great price
  • Secure and reliable server
  • Faster streaming
  • Best User experience
  • Huge scalability


Increasing information technology advancements and connectivity improvements have come together to make sure hazard-free video streaming is a part of daily life. There are both free as well as paid CDN’s and it totally depends on your needs and pockets, which suits you and your business the best.