Thanks, Bernard. I’d be happy to add text along these lines. It seems like useful clarifications. Colin On 17 Oct 2022, at 23:52, Bernard Aboba via Datatracker wrote: > Reviewer: Bernard Aboba > Review result: Ready with Nits > > This document provides answers to the questions outlined in Section 2: > > o How often is feedback needed? > o How much overhead is acceptable? > o How much, and what, data does each report contain? > > The answers to these questions are well reasoned, and are useful to document, > as is the conclusion: > > " If it is desired to use RTCP in something close to its current form > for congestion feedback in WebRTC, the multimedia congestion control > algorithm needs to be designed to work with feedback sent every few > frames, since that fits within the limitations of RTCP. The provided > feedback will be more detailed than just an acknowledgement, however, > and will provide a loss bitmap, relative arrival time, and received > ECN marks, for each packet sent." > > It occurs to me that the gist of this paragraph might be worth including in the > Abstract and/or Introduction, so as not to "bury the lead". > > Also, it might be worth noting that the improved compression of recent codecs > such as AV1 and VVC implies that the rate required for high quality video has > been substantially reduced, which exacerbates the overhead issue. -- last-call mailing list last-call@xxxxxxxx https://www.ietf.org/mailman/listinfo/last-call