I understand what you said, but I only wanted to understand, the rational behind choosing one value over another.
-Vijay
>From: John Mehringer
>To: Vijay D
>CC: [email protected], [email protected]
>Subject: Re: [ns] need your help
>Date: Thu, 12 Jul 2001 17:07:08 -0700
>
>Hi,
>
>If you want to have consistant default values across ns releases you can
>always set the variables to TCP in your scripts explictly. That way you
>know what the values will be and not have to worry if the defaults
>change.
>
>- John Mehringer
>
>Vijay D wrote:
> >
> > Hi,
> > I recently installed ns-2.1b8a for windows 2000. I found that my
> > results were very different from my previous results obtained from
> > simulations done in sun-solaris with ns-2.1b7a. I didn't take any of
> > your patches into ns-2.1b7a. I feel that, your changes to few default
> > values does have an impact on the performance of TCP. So I want to
> > understand, what setting I need to use (and why), which will closely
> > emulate the commercially available TCP and FTP stacks. These are the
> > following changes that I encountered in ns-default.tcl, from the
> > previous version,
> >
> > Agent/TCP set windowInit_ 2 ; # default changed on 2001/5/26.
> > Agent/TCP set syn_ true ; # default changed on 2001/5/17.
> > Agent/TCP set minrto_ 1 ; # Default set to 1 on
> > 2001/05/14.
> > # Set to "0" to
> > give old behavior.
> > Agent/TCP set timerfix_ true ; # Variable added on 2001/05/11
> > # Set to "false"
> > to give the old
> > # behavior.
> > Agent/TCP set delay_growth_ true ; # default changed on
> > 2001/5/17.
> >
> > Can you please help me on this ? Also is there any other changes TCP
> > or FTP stack that I should be aware of ?
> >
> > Thank you very much,
> > Vijay
> >
> > ----------------------------------------------------------------------
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