Re: [rtcweb] REMB with many ssrc entries

Harald Alvestrand <harald@alvestrand.no> Fri, 03 March 2017 14:51 UTC

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From: Harald Alvestrand <harald@alvestrand.no>
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Subject: Re: [rtcweb] REMB with many ssrc entries
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1) REMB is abandoned at this point.
2) The way it was originally designed, it meant that the total should be
100 Kbits/sec. REMB did not take a position on how the sender chose to
allocate bits between the SSRCs, only the total amount of bits sent.

Den 02. mars 2017 22:07, skrev Iñaki Baz Castillo:
> Hi,
> 
> I asked a question regarding REMB with multiple SSRC entries, but got
> not response:
> 
> https://mailarchive.ietf.org/arch/search/?email_list=rmcat&gbt=1&index=ZNGmTcO2LXXevzcCIxUPsL2xHcA
> 
> To summarize, the question is:
> 
> If Alice is sending Bob an audio stream (SSRC 1111) and a video stream
> (SSRC 2222) and Bob sends a REMB feedback message with:
>   - bitrate: 100000 (100kbits/s)
>   - ssrcs: 1111, 2222
> 
> Does it mean that Alice should limit the sum of her sending audio and
> video bitrates to 100kbits/s? or does it mean that Alice can send
> 100kbits/s of audio and 100kbits/s of video (total = 200)?
> 
> Thanks.
> 
>