Re: [ns] Strange DiffServ Results.

["Xiang" <ns@cdnet.edu.cn>]

Excuse me, how can I check the idle time of the two queues? Thank you very
much.
Xiang

----- Original Message -----
From: "Sungwon Yi" <syi@cse.psu.edu>
To: "Sergio Andreozzi" <sergio.andreozzi@lut.fi>
Cc: "Ns-Users@Isi. Edu" <ns-users@ISI.EDU>
Sent: Wednesday, July 18, 2001 3:06 AM
Subject: RE: [ns] Strange DiffServ Results.


> Hi, I am Sungwon.
> I checked the idle time of the two queues, and found out that
> there were difference in idle time.
> I guess that this is the reason for my question.
>
> I really thanks for the precious advise.
>
> Best Regards,
> Sungwon
> ======================================
> Yi, Sungwon
> Have a wonderful day!
> ======================================
>
> On Mon, 16 Jul 2001, Sergio Andreozzi wrote:
>
> >
> > > In the sample script, 2 UDP of 4M rate are used for both classes.
> > > therefore, I expected no change in the other class.
> > I suggest you an experimental work. Just try to put two counters in the
WRR
> > scheduler. With these counters you want to count the number of times
each
> > queue si found in idle status from the scheduler.
> >
> > Check before and after the queue lenght modification. And if you find
(as I
> > suppose) more idle status for the queue you "cut", you can say the other
one
> > receive more service and so the number of dropped packet due to overflow
> > decrease.
> >
> > Regards,
> >
> >
> > Sergio
> >
> >
>