Re: [ledbat] INIT_CWND and MIN_CWND (WAS Re: New Version Notification for draft-ietf-ledbat-congestion-08.txt)

Hi all,

thanks for you feedback. We will change the INIT_CWND in the draft. 
Furthermore we have to check if this has any consequences for the part 
talking about the filter. But I guess this issue can be regarded as solved 
now.

Mirja

On Friday 21 October 2011 08:13:12 Ingemar Johansson S wrote:
> OK
>
> To me it seems like Initial window = 2 is reasonable.
>
> Regards
> Ingemar
>
> > -----Original Message-----
> > From: David Ros [mailto:David.Ros@telecom-bretagne.eu]
> > Sent: den 20 oktober 2011 20:57
> > To: Joe Touch
> > Cc: Ingemar Johansson S; jana.iyengar@gmail.com; ledbat@ietf.org
> > Subject: Re: [ledbat] INIT_CWND and MIN_CWND (WAS Re: New
> > Version Notification for draft-ietf-ledbat-congestion-08.txt)
> >
> > Le 20 oct. 2011 à 19:29, Joe Touch a écrit :
> > > On 10/19/2011 10:21 PM, Ingemar Johansson S wrote:
> > >> Hi
> > >>
> > >> Change of subject name.
> > >> I have no strong opinion on this but I would like to ask
> >
> > how likely
> >
> > >> it is that LEDBAT is used for shortlived flows in the first place.
> > >
> > > INIT_CWND comes into play during any restart, e.g., after a
> >
> > gap in the offered load.
> >
> >
> > Isn't that the role of max_allowed_cwnd, instead?
> >
> > (section 3.4.2)
> > This algorithm restricts cwnd growth after a period of inactivity,
> >   where the cwnd is clamped down to a little more than
> > flightsize using
> >    max_allowed_cwnd
> >
> > Thanks,
> >
> > David.
> >
> > > While I don't expect LEDBAD would be used primarily for
> >
> > shortlived flows:
> > > 	1) we can't know that, so should plan accordingly
> > > 	2) long-lived flows with frequent gaps do exist, and
> > > 	should not cause a problem either
> > >
> > > Joe
> > > _______________________________________________
> > > ledbat mailing list
> > > ledbat@ietf.org
> > > https://www.ietf.org/mailman/listinfo/ledbat
> >
> > =================================================================
> > David ROS
> > http://www.rennes.enst-bretagne.fr/~dros/
> >
> > In theory, theory and practice are the same. In practice,
> > they are different. -- Author unknown
>
> _______________________________________________
> ledbat mailing list
> ledbat@ietf.org
> https://www.ietf.org/mailman/listinfo/ledbat

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Dipl.-Ing. Mirja Kühlewind
Institute of Communication Networks and Computer Engineering (IKR)
University of Stuttgart, Germany
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