Progressive downloads and streaming are the two prevalent methods of video content delivery over the internet. Both have their own sets of benefits and limitations and it is up to you to pick the one that is best suited to meet your needs and requirements.
It is important to understand the difference between the two mediums in order to fully appreciate each of their capabilities. The chief differentiators are the server and network transportation methods.
A CDN, or Content Delivery Network, or Content Distribution Network, is a system designed to distribute content over a network and maximize bandwidth. Instead of placing content at one central server, content is placed at various points along a network.
There are several benefits to using this method of content delivery. The primary advantage is that it eliminates data bottlenecks, as requests are being sent to the closest of several servers with identical information around the world. As such, this also leads to a vast increase in server capacity and speed, as the number of concurrent users able to access your data is increased dramatically.
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