Re: [rmcat] Generic RTCP feedback message AGAIN
Varun Singh <vsingh.ietf@gmail.com> Fri, 27 November 2015 10:13 UTC
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From: Varun Singh <vsingh.ietf@gmail.com>
Date: Fri, 27 Nov 2015 12:12:43 +0200
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To: Stefan Holmer <stefan@webrtc.org>
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Cc: Karen Elisabeth Egede Nielsen <karen.nielsen@tieto.com>, rmcat WG <rmcat@ietf.org>, Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch>
Subject: Re: [rmcat] Generic RTCP feedback message AGAIN
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Hi, my opinions inline. Regards, Varun On Fri, Nov 20, 2015 at 7:51 PM, Stefan Holmer <stefan@webrtc.org> wrote: > > > On Mon, Nov 16, 2015 at 4:51 AM Karen Elisabeth Egede Nielsen > <karen.nielsen@tieto.com> wrote: >> >> HI, >> >> At the 2nd RMCAT session we proposed the following: >> >> * Give usage of a common feedback message for sender side only RMCAT CC's >> _a try_. >> >> With the following proposed way forward >> >> *1* Requirements to be considered in each CC algs draft >> *2* Analyse required feedback rates and timing as well as content >> and point to existing remedies and/or what new needed >> >> At the RMCAT session agreement on this not established. >> Only *1* was agreed upon. Whereas *2* was left for future potentially. >> >> NOW given the recent discussion on the list it looks (to me) as >> if we in the wg have a more mature view on this task. >> Note the wg already has a milestone to which this work >> can be associated. I.e., "Submit RTCP extension requirements >> for use with congestion control algorithms to AVTCORE (if needed)". >> Please respond to this email and give your view: >> >> Shall we NOW give the usage of a common feedback message >> for a sender side only CC a try ? >> [Yes I want to be part of this - OR - No I don't want to be part of this] > > > Yes - I want to be part of this. :) > Yes - same as above. >> >> >> Assuming Yes. How shall we collect the requirements ? >> Possible options (I can think of): >> >> * have new updates of the CCs alg candidates (incl. SBD, coupled CC as >> applicable) >> come soon with a good specification of the requested >> * have the same information instead go into a (potentially temporary?) >> Appendix of draft-perkins-rmcat-rtp-cc-feedback-01.txt or new draft ? >> * others - email ? > > > I vote for either updating the current CC algorithm candidate drafts with > this information, or doing it over e-mail as a first step while we wait for > the updated drafts. > Individual algorithm candidates should update their documents, I suppose: + what metrics + when to send them, and how often. Nonetheless, the discussion should continue on the mailing list. >> >> >> Assuming Yes. Where shall the outcome of the work be specified ? >> draft-perkins-rmcat-rtp-cc-feedback-01.txt or new draft > > > No strong opinion about this. > >> >> >> >> BR, >> Karen, on behalf of the chairs >> >> > -----Original Message----- >> > From: Karen Elisabeth Egede Nielsen [mailto:karen.nielsen@tieto.com] >> > Sent: 3. november 2015 01:29 >> > To: 'rmcat@ietf.org' <rmcat@ietf.org> >> > Subject: Generic RTCP feedback message >> > >> > Hi, >> > >> > Following Stefan’s presentation in the RMCAT session yesterday there was >> > agreement at the mike that we in the RMCAT wg should try to give the >> usage >> > of a generic common feedback message a try. >> > >> > It seems a prerequisite for this that the receiver (sender of the >> feedback >> > message) is (in principle) unaware of the particular CC algorithm that >> the >> > sender is using, but will generate a *to be defined* set of feedback >> > information in a *to be defined* form that will fulfil the requirements >> of all >> > RMCAT CC algorithms. >> > >> > In order to start on this task we hereby solicit for the people working >> with CC >> > algorithms to respond to this email with information on the requirements >> > that they have to such a generic feedback mechanism. >> > >> > In addition _or alternatively_ please (all) provide feedback on >> > * how you think we should proceed with this task, e.g., start a new >> draft to >> > collect this information (eventually to proceed in an ART wg) >> > * concerns with this approach >> > >> > We will try to collect the information provided and have a short follow >> up in >> > Fridays RMCAT meeting. >> > >> > BR, Mirja/Karen >> > >> > >> > >> > >> > >> > >> > -- http://www.callstats.io
- [rmcat] Generic RTCP feedback message AGAIN Karen Elisabeth Egede Nielsen
- Re: [rmcat] Generic RTCP feedback message AGAIN Stefan Holmer
- Re: [rmcat] Generic RTCP feedback message AGAIN Karen Elisabeth Egede Nielsen
- Re: [rmcat] Generic RTCP feedback message AGAIN Xiaoqing Zhu (xiaoqzhu)
- Re: [rmcat] Generic RTCP feedback message AGAIN Colin Perkins
- Re: [rmcat] Generic RTCP feedback message AGAIN Varun Singh
- Re: [rmcat] Generic RTCP feedback message AGAIN Zaheduzzaman Sarker
- Re: [rmcat] Generic RTCP feedback message AGAIN Zaheduzzaman Sarker