Re: Looking for tool that will create congestion between two applictions or nodes

[Jeff Morriss <jeff.morriss.ws () gmail com>]

On 11/11/2011 04:59 PM, W T wrote:
> Hi,
>
> I have a client and server running in two different machine, and
> wanted to reduce the available bandwidth between these two machines
> based on applications running in this machine.
>
> Is there any free tool available on Linux and windows platforms.

After having used FreeBSD's dummynet (part of the ipfw package) at an 
IETF bakeoff, I started using it at work and have been very impressed. 
It doesn't have a lot of fancy features (like jitter), but if you're 
just looking for things like controlling bandwidth or injecting packet 
loss it works quite well--and it's rock solid (never a crash or hang; 
the FreeBSD box only goes down when it gets moved).

The man page is probably all you'll ever need:

http://www.freebsd.org/cgi/man.cgi?query=ipfw&sektion=8#TRAFFIC_SHAPER_%28DUMMYNET%29_CONFIGURATION

ps. Yes, I know you said you were looking for Linux or Windows, but... 
Maybe you could put FreeBSD in a VM.
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