Re: [rmcat] Fwd: New Version Notification for draft-welzl-rmcat-coupled-cc-00.txt

[Fu Jiantao <[e-mail]>]

Hi Michael,

   Following are my comments:

  1. multiplexing make the SBD simple, but it may take more effort for
classification in QoS. delay and loss correlations works fine for UDP
connection, but for having both TCP and UDP connections in police
network(drop overlimit packets directly), it seems no easy way to do SDB.

  2. the new_S_CR seems not updated with new_CR in step 3, from the
examples, it should be the new_S_CR in the last round, and I guess new_S_CR
is the common state variable sharing in each round, only so it can be used
to avoid only make S_CR increase at once.

  3. The example algorithm will only update flow(i)'s state when its cc
changed the calculated rate, other flow's state is leave untouched. There
are other algorithms, for example, updates all flow's state when flow(i)'s
state changed. What's the reason to prefer the first one, and I think the
second one is more reasonable and simple to implement.

Thanks

Jeromy


2013/1/19 Michael Welzl <[e-mail]>

> Hi all,
>
> See below the announcement of a draft I just posted, to address the
> milestone on "identifying and controlling groups of flows".
> I'm curious to hear your thoughts!
>
> Cheers,
> Michael
>
>
> Begin forwarded message:
>
> > From: [e-mail]
> > Subject: New Version Notification for draft-welzl-rmcat-coupled-cc-00.txt
> > Date: January 19, 2013 10:56:14 AM GMT+01:00
> > To: [e-mail]
> >
> >
> > A new version of I-D, draft-welzl-rmcat-coupled-cc-00.txt
> > has been successfully submitted by Michael Welzl and posted to the
> > IETF repository.
> >
> > Filename:      draft-welzl-rmcat-coupled-cc
> > Revision:      00
> > Title:                 Coupled congestion control for RTP media
> > Creation date:         2013-01-19
> > WG ID:                 Individual Submission
> > Number of pages: 14
> > URL:
> http://www.ietf.org/internet-drafts/draft-welzl-rmcat-coupled-cc-00.txt
> > Status:
> http://datatracker.ietf.org/doc/draft-welzl-rmcat-coupled-cc
> > Htmlized:
> http://tools.ietf.org/html/draft-welzl-rmcat-coupled-cc-00
> >
> >
> > Abstract:
> >   When multiple congestion controlled RTP sessions traverse the same
> >   network bottleneck, it can be beneficial to combine their controls
> >   such that the total on-the-wire behavior is improved.  This document
> >   describes such a method for flows that have the same sender, in a way
> >   that is as flexible and simple as possible while minimizing the
> >   amount of changes needed to existing RTP applications.
> >
> >
> >
> >
> > The IETF Secretariat
> >
>
>