A content delivery network (CDN) is a network of globally distributed servers and their data centers designed to deliver high-quality content with minimal latency for a seamless and consistent user experience.CDNs bring content closer to the end user through strategically located data centers known as Points of Presence or PoPs.
What is a CDN network and how does it work?
In a market where immediacy and high demand for audiovisual content has become a key value, audiovisual content distribution networks are critical for distributors of video and other multimedia content.
By storing content on servers that are geographically dispersed, video streaming servers can deliver content from the nearest server to the requesting user, resulting in faster distribution and an improved content consumption experience.
CDN, what does it mean?
The term CDN refers to a content delivery network. It consists of a set of servers located around the world that store multimedia content from a master server.CDNs are designed to reduce the distance between users and information on a website in order to speed up the download of files.
How does a CDN work?
Now that we understand what a CDN network is, we need to know how it works. A CDN works in 3 basic steps. First, a user requests video content from anywhere in the world. The request is then sent to a nearest CDN node to retrieve the information. Finally, the server finds a copy and forwards it to the user for immediate download.
Why CDNs are important for live streaming
As your live streams become more and more popular, the challenge of delivering this content to a larger audience increases. Live video delivery can be easy when there are a few hundred people watching, but it becomes more difficult when there are more than a million people watching.
These are the benefits of live streaming over a CDN
- Bring your live content closer to your audience. Live streaming CDNs help you bring your content as close to your global audience as possible and reduce overall latency. Viewers get a high definition video with minimal latency.
- Optimize the cost of transmitting data to the public Internet (Data Transfer Out – DTO) Typically, every streaming service has a cost associated with data transfer. If you use the right solution and the right CDN service, you can reduce the amount your customers spend on these data transfers.
- Reduce the load on your origin server. Instead of all the visitors being sent to one or a few servers, they are spread across many different servers that you don’t have to manage yourself.
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