>What I don't understand is why the server needs to decrypt the traffic at all In short, to make it scale for many (tens to hundreds) participants. Clever tech

>What I don't understand is why the server needs to decrypt the traffic at all In short, to make it scale for many (tens to hundreds) participants. Clever techniques like Simulcast[0] and SVC[1] allow that, but routing server must support it to meet different requirements of individual participants. 0. https://webrtchacks.com/sfu-simulcast/ https://webrtchacks.com/sfu-simulcast/ 1. https://webrtchacks.com/chrome-vp9-svc/ https://webrtchacks.com/chrome-vp9-svc/