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Re: [ns] Understanding Trace File



Hi Kumarendra

If you take a look at the wireless node schematic in ns-manual (chapter
15) you have the objects called Src/Sink, RTagent and MAC. The trace
file shows you the packets arrival and departure time from these
entities, respectively referred as AGT, RTR and MAC in trace file.
For your second question, I do not really know about the new trace file,
but in the older one the -1 value as a destination node stood for a
broadcast packet.
Hope it helps

Fabienne

> Kumarendra Sivarajah wrote:
> 
> I am new at ns2 and have some questions on understanding the "new"
> trace file.
> First, what does it mean by Router, Agent or MAC Trace Level.
> Second, under identification -Hd  is sometimes followed by (-) and the
> node no., eg -1, what does the minus(-) mean.
> Finally, Also appreciates if people have information on converting the
> IP address in the new trace file into standard IP address.
> 
> if anyone have other documentation other than the ns-manual on trace
> file, can you let me know.
> Thanks in advance,
> Kumarendra Sivarajah (Indran)
> [email protected]
> Communications Systems Engineering
> University of Kent at Canterbury, U.K.
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