Re: TCP capture effect :: estimate queue length ? :: pathchar

[God]

On Tue, 15 May 2001, Ralf Baechle wrote:

> On Mon, May 14, 2001 at 11:49:16PM -0400, God wrote:
> 
> > 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 ...
> 

pathchar (last I used it), doesn't report queueing or bursting levels.  It
is purely a bandwidth estimator (and a dam fine one too!) ...  Could be
wrong though, I just don't recall seeing that as feature.