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Re: [ns] link capacity
Hi Lloyd
I believe that the 'r' events in the trace file show
the time that the first bit of the packets received.
Best regards
Meow
--- Lloyd Wood <[email protected]> wrote:
> On Thu, 29 Nov 2001, H�kan Bystr�m wrote:
>
> > With a bandwidth of only 5000 bits/s it takes 0.32
> seconds to send a 200
> > byte packet. You have to take this into account
> when calculating the
> > total bits sent within a second since the trace
> file only shows the time
> > when the packet is sent. Am I making myself clear?
> The last packet you
> > added into the total probably had not completely
> been sent within the
> > second.
>
> but if you're working off r events in the tracefile
> this doesn't
> matter, right? The tracefile also shows when the
> packet is received...
>
> L.
>
> > Meow Chiow Chia wrote:
> >
> > > I have a question. In my simulation, a link
> > > between node 0 and node 1 has a bandwith of 5000
> > > bits/s, but if I checked the trace file, I
> noticed
> > > that the total number bits that are departured
> to the
> > > link from the output queue of node 0 (assuming
> traffic
> > > from node 0 to node 1) within one second,
> actually
> > > exceeded 5000bits/sec, i.e. is about 5120
> bits/sec. I
> > > am just wondering if anyone could tell me the
> reason
> > > of this . Your help on this is very much
> appreciated.
> > >
> > > p/s: I set a very huge queue limit, so that
> there is
> > > no buffer overflow
>
>
<[email protected]>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>
>
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