Re: [ns] trace record discrepancies and format explanation.

[Devendra Goyal <goyald@email.uc.edu>]

I could figure that out. Thanks. But what about the packet with seq. no.
0. It is being received two times. I just saw a case where a packet was
being received three times and dropeed once all with different time
stamps. Is it some kind of bug?

>
> Since Lan is implemented as a virtualnode in ns, it could be this lannode
> that explains 21 nodes in yr sim. See documentation on LAN in ns-manual
> for details.
> --Padma.
>
> > - 0.0001 17 20 cbr 1500 ------- 0 17.0 19.17 0 17
> > + 0.0001 18 20 cbr 1500 ------- 0 18.0 19.18 0 18
> > - 0.0001 18 20 cbr 1500 ------- 0 18.0 19.18 0 18
> > r 0.001415 20 19 cbr 1500 ------- 0 18.0 19.18 0 18
> > r 0.00264 20 19 cbr 1500 ------- 0 0.0 19.0 0 0
> > r 0.003865 20 19 cbr 1500 ------- 0 1.0 19.1 0 1
> >
> > + 0.004476 6 20 cbr 1500 ------- 0 6.0 19.6 1 22
> > + 0.004528 14 20 cbr 1500 ------- 0 14.0 19.14 1 23
> > h 0.005052 1 20 cbr 1500 ------- 0 1.0 19.1 1 24
> > r 0.00509 20 19 cbr 1500 ------- 0 0.0 19.0 0 0
> > + 0.005152 1 20 cbr 1500 ------- 0 1.0 19.1 1 24
> > h 0.005752 5 20 cbr 1500 ------- 0 5.0 19.5 1 25
> >
> > using CBR with UDP as traffic generator.
> > Following problems, somebody please explain:
> > * Packet with seq no. 0 is being received two times. Why?
> > * Where does the 4th field 20 comes from? I have only 20 nodes from 0 to
> > 19 and all the traffic is going from first 10 nodes to last 19th node.
> > * 2nd and 3rd fields after the flag, say first one 17.0 and 19.17. What
> > this "." notation stands for?
> >
> > Thanks a lot.
> >
> > DEV
> >
> >
>
> --
> ------------------------------------------------
> Be true to your work, your word, and your friend.
> --Thoreau
>
> Padmaparna Haldar
>