[c-nsp] circuit degradation/error simulator

Wed May 12 12:19:57 EDT 2010

NETEM is a very good choice for this. We have a test enviroment using this
including automatic graphs generation with RRDtool.

http://www.linuxfoundation.org/collaborate/workgroups/networking/netem

2010/5/12 <sthaug at nethelp.no>

> > For some testing I'm looking for a piece of software which is capable of
> > inserting various degradation and/or errors into a traffic stream.
> >
> > The setup I thought of is setting up a PC with two NIC which passes
> > traffic between the interfaces. In the middle the software should be
> > able to generate packetloss, delay, jitter, fragmentation, reordering
> > and alike within the traffic stream passed on.
>
> A FreeBSD box with dummynet can do this nicely.
>
>        http://info.iet.unipi.it/~luigi/dummynet/<http://info.iet.unipi.it/%7Eluigi/dummynet/>
>
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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