Re: [ns] query regarding NAM,CMU, and new trace files

[Lloyd Wood <l.wood@eim.surrey.ac.uk>]

On Sun, 25 Nov 2001, Srinivasan Krishnamurthy wrote:

> Hi!I am working on a project using ns-2 for which I need to understand and
> interpret the ns trace file.

the ns trace-all tracefile (and its modified variations) is not the
CMU wireless tracefile, and none of them are the nam tracefile.

I don't see what reading drawing information in the nam tracefile gets
you...

the ns tracefile is described in the ns documentation.

L.

>I am unable to understand certain components
> of the trace file.The destination (-d) field in the NAM trace takes
> negative values at regular intervals.What do these negative values
> indicate? Similarly,I also found trace files for wireless networks that
> had huge values or negative values for the next hop (-Hd) field.How do I
> interpret these values?

<L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>