Messages in this thread | | | Date | Tue, 15 May 2001 03:06:45 -0300 | From | Ralf Baechle <> | Subject | Re: TCP capture effect :: estimate queue length ? |
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On Mon, May 14, 2001 at 11:49:16PM -0400, God wrote:
> > Packets are dropped when a device queue > > fills, and when one sender is much faster than the other the faster sender > > often wins the race, while the packets of the slower one get dropped. > > [.....] > > Speaking of queues on routers/servers, does such a util exist that would > measure (even a rough estimate), what level of congestion (queueing) is > happening between point A and B ? I'd be curious how badly congested some > things upstream from me are...... I know I can use ping or > traceroute ... but they don't report queueing or bursting. Both measure > latency and packetloss ... short of stareing at a running ping that is > ... <G>
Pathchar, yet another Van Jacobsen toy does this. Unfortunately the old and rotten pre-version you can find in ftp.ee.lbl.gov:/pathchar/ is afaik the last one. In the past it served me well you find about how ISPs are lying ... 100mbit backbone = fast ethernet in their computer room ...
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