From: ying c (bf5tgh1@yahoo.com)
Date: Sun Sep 29 2002 - 22:32:42 GMT-3
Hi,
If K5 is set to zero, "[K5/(reliability + K4)]" is not
used. Doyle I, pg 243.
Chang
--- baganini@attbi.com wrote:
> Hi all,
>
> Something very basic I have Noticed with the IGRP
> metric
> equation I found in Doyle's book and on the link
> http://www.cisco.com/warp/public/103/3.html I wanted
> to
> share with you. The metric equation is shown as
>
> Metric = [ K1 * Bandwidth + (K2 *
> Bandwidth)/(256-load)
> + K3*Delay ]*[K5/(reliability + K4)]
>
> Now this question is for all you mathematicians
> here.
> If K5 is 0 all what number is in the second square
> brackets will be zero. So, the result of
> [ K1 * Bandwidth + (K2 * Bandwidth)/(256-load) +
> K3*Delay ] multiplied by zero, will be zero, unless
> the
> * sign means something else other that
> multiplication.
> In order to have the second square bracket to be a
> term,
> you sign between them should be a (+), for example.
>
> What do think??
>
> --
> Tom Thouma
> CCIE# 7003
> Director of Research & Development
> thouma@cyscoexpert.com
>
> CyscoExpert, Inc.
> 4433 W. Touhy Ave.
> LincolnWood, IL 60712
> info@cyscoexpert.com
> Ph:(847) 674-3392
> FX:(847) 674-2625
This archive was generated by hypermail 2.1.4 : Mon Oct 07 2002 - 07:44:07 GMT-3