It has been created by <a target="_blank" rel="noopener noreferrer" href="https://www.davidrevoy.com/">David Revoy</a> (illustrations are under CC-BY).
PeerTube is a free software, not a secret formula that belongs to Google (in the case of Youtube) or to Vivendi/Bolloré (Dailymotion). This free/libre license guarantees our fundamental freedoms as users.
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.
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>.