[LARTC] network simulator

[Florin Andrei]

Florin Andrei wrote:
> I want to build a "network simulator", to create scenarios such as 
> delayed packets, lost packets, low bandwidth, or combinations of such.

I guess I should be more specific:

The "simulator" is a dual-homed machine running Linux, sitting between a 
couple test servers and a bunch of workstations:

Servers------Simulator--------Workstations

Physically, the network is a mix of GigE and FastE.

The delay, loss and bandwidth constraints must be applied to all traffic 
going through the simulator. For now, there's no need to differentiate 
between the various protocols, addresses, etc. - everyone is equal.

The simulator is a plain router, nothing fancy. At most, it might NAT 
the addresses of the servers to IP aliases on the interface facing the 
workstations.

-- 
Florin Andrei

http://florin.myip.org/