SFU cascading has been a hot topic for quite some time. There’s different reasons why you may want to cascade an SFU implementation: you may want to scale a room so that multiple servers cooperate with each other to distrubute the same streams, for instance, or more simply you may want to ensure that subscribers always get the media from the server that is closest to them, rather than force them to join the instance where the streams are actually originated. Whatever the reason, it’s indeed a useful tool to have in your belt, and so we started working on…