It's based on <a target="_blank" rel="noopener noreferrer" href="https://en.wikipedia.org/wiki/WebRTC">WebRTC</a>, a free and open-source project for web browsers.
It's the reason why we encourage developers to use the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/contribute/plugins">PeerTube plugin API</a> to create their own monetization system.
PeerTube is a tool for sharing online videos developed by <a target="_blank" rel="noopener noreferrer" href="https://framasoft.org">Framasoft</a>, a french non-profit.
PeerTube is part of several actions assembled by Framasoft in the <a target="_blank" rel="noopener noreferrer" href="https://contributopia.org">Contributopia roadmap</a>.
The feature is called <a href="https://docs.joinpeertube.org/admin/following-instances#instances-redundancy" target="_blank">"server redundancy"</a> and caches your most popular videos to help serve additional viewers.
The PeerTube P2P system based on well established protocols like HTTP and WebRTC, and the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/admin/following-instances#instances-redundancy">redundancy system</a> are more easy for us to use and to maintain.
Transcoding can also be offloaded to other machines using <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/admin/remote-runners">remote runners</a>.