Are all 20 clients supposed to see the same video output? If that is the case, consider using the SFU, that way you only need one stream from the game to the SFU, and then the SFU multiplexes out to all client.
Are all 20 clients supposed to see the same video output? If that is the case, consider using the SFU, that way you only need one stream from the game to the SFU, and then the SFU multiplexes out to all client.