Re: UDP Badness [Was: Re: How to measure network quality&performance for voip&gameservers (udp packetloss, delay, jitter,...)]

["tony sarendal" <dualcyclone () gmail com>]

On 10/03/06, Mark Smith <
random () 72616e646f6d20323030342d30342d31360a nosense org> wrote:
> On Tue, 7 Mar 2006 23:33:44 +0000
> "tony sarendal" <dualcyclone () gmail com> wrote:
>
> > On 07/03/06, Gunther Stammwitz <gstammw () gmx net> wrote:
> > > Well that's true but Iperf won't show you at which time a loss
> occured. It
> > > will simply print out the results when the test has been finished. I
> need
> > > something well more accurate that can also tell me which hop is
> causing
> > > the
> > > problems.
> > >
> > > Last I checked I got the time from Iperf, even if it was indirectly.
> > A tool that shows which hop in the network that has problems forwarding
> > certain traffic ? Awesome, I want one of those.
>
> traceroute ? :-) (sorry, couldn't resist)


Does traceroute really do that ? Even for ICMP.
Think about it.

Hint: the return packets your traceroute produces,
do they have the same return path for every hop ?

Think Internet, think large providers with many peerings.

/Tony

--
Tony Sarendal - tony () polarcap org
IP/Unix
       -= The scorpion replied,
               "I couldn't help it, it's my nature" =-