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

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
> 
> 