Dear Jeroen,
I concur with your views - I guess this question was raised in the
recent IETF
meeting. Maybe someone can shed proper light on this :).
Regds,
Arjuna
On 4/20/06, Jeroen Van Velthoven <jeroen.vanvelthoven@xxxxxxxx> wrote:
> Dear all,
>
> I am performing some experiments with DCCP/TFRC. Therefore, I'm using the
> DCCP implementation of Mattsson. My question relates to the calculation of
> the average loss interval as it is done by this implementation. As
> specified the TFRC RFC, the 8 most recent loss intervals are used to obtain
> the average loss interval. However, also when the first loss event occurs
> and in every situation where the number of initialized loss intervals is
> strictly smaller than 8, this implementation takes the sum W_{tot} of all 8
> weights and uses this result to determine the average loss interval.
>
> I would assume that when the loss history contains only two loss intervals,
> it is sufficient to take only these weights into account when calculating
> W_{tot}. This would not result in an overestimate of the loss event rate
> you get by taking into account the total of the 8 weights.
>
> Can anyone confirm that the number of weights you need to use to obtain the
> average loss interval equals the minimum of 8 and the number of the actually
> created loss intervals?
>
> Best Regards,
> Jeroen
>
> -------------------------------------------------------------------
> Jeroen Van Velthoven
>
> Phone: +32 (0)3 265.38.53
> Fax: +32 (0)3 265.37.77
> Email: Jeroen.VanVelthoven@xxxxxxxx
>
> University of Antwerp (UA)
> Dept. Mathematics and Computer Science
> PATS Research Group
> Campus Middelheim, building G
> Middelheimlaan 1
> B-2020 Antwerp
> Belgium
> -------------------------------------------------------------------
>
>
>
>
>
--
Regards,
Arjuna
Postdoctoral Researcher
Engineering Research Lab,
Department of Engineering,
University of Aberdeen
