Content Delivery Network (CDN)
Content Delivery Network is used to host static media files, such as images, .css and .js files, and audio and video files. These files are stored on a geographical network whose servers are located in different locations. Then, these files are served to requests from a specific server, depending on the request location.
CDN provides the following features:
- As the contents are static, which don't change frequently, CDN caches them in memory. When a request comes for a certain file, CDN sends the file directly from cache, which is faster than loading the file from disk and sending it to the browser.
- CDN servers are located in different locations. All the files are stored in each location, depending on your settings in CDN. When a browser request arrives to CDN, CDN sends the requested contents from the nearest location available to the requested location. For example, if the CDN has servers in London, New York, and Dubai and a request comes from Middle East...
