[R-C] congestion control in WebRTC

[manphis chen]

Dear all,

Recently I am investigating the feedback mechanism for rate control in
webrtc.

Does the receiver use RTCP to inform the sender about the information such
as available bandwidth, lossy ratio, .., etc.?

I saw the packet format by wireshark, and saw that there is extra
information appended on the SR (Sender Report) of RTCP, but wireshark
cannot recognize it.

Does anyone have the same experience?
Or is there any document describing the details of the feedback mechanism
or the format of the feedback packets in webrtc?

Many thanks

BRs
manphis
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