[c-nsp] Open source QoS/stress test tools
netfortius at gmail.com
Wed Jan 18 07:26:47 EST 2006
We have recently implemented QoS on our Cisco lab equipment, with the purpose
of testing and understanding what "form of deployment" could do us good, for
the specific traffic prioritization we would like to address. Part of this
process consisted in configuring two of our routers, and testing them with
some applications (ftp, telnet, web, etc.), but this last part I think could
be much better done with tools designed for such. So here comes the question:
what open source tools have you used, and what for / how?
>From past usage, for other purposes, I became familiar with: iperf, netperf,
pchar, ttcp, pathneck - but have used them exclusively as an immediate
reaction, in cases where something needed to be evaluated right away, for
some bad response time across WAN links, not for refinement and
identification of QoS functionality (could they even be used as such?!?).
I have also googled around and came back with sites like:
http://www.caida.org/tools/taxonomy/perftaxonomy.xml ... etc.
Would anybody care to comment? What stress-test / traffic generators woudl you
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