<a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/use/create-upload-video#upload-a-new-version-of-a-video">Upload a new version of the video</a> if your administrator enabled this setting
But some pars of PeerTube can be horizontally scaled to bypass the following limits, as described in our <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/maintain/configuration#scalability">scalability guide</a>:
Communicate with the streamer and other viewers using the <a target="_blank" rel="noopener noreferrer" href="https://livingston.frama.io/peertube-plugin-livechat/">livechat PeerTube plugin</a>
Communicate with your viewers using the <a target="_blank" rel="noopener noreferrer" href="https://livingston.frama.io/peertube-plugin-livechat/">livechat PeerTube plugin</a>
Read the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/maintain/configuration#scalability">scalability guide</a> if you plan to have many users or viewers
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>.