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It's the first of the links where they say "When building support for group calls, we evaluated many open source SFUs", so I suppose it's either not one of the two with "adequate congestion control", or is the one that did not reliably scale past 8 participants?

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Author here.

Jitsi and MediaSoup both seemed to have good congestion control at the time.

And, yes, as mentioned, the primary reason for writing a new one was performance/scalability.

Can you elaborate on the scaling issues you hit (and with which implementations?) I've used Janus + MediaSoup but not Jitsi before for WebRTC audio for web based multiplayer games.

CPU usage was so very high for calls over 5-6 participants. I'm not sure what more there is too it.

Thanks, in Jitsi or Mediasoup or both?

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