I've got the start of a User-Mode Linux-based testing framework running.
The UML host runs a supernode and edgeA.
Each UML guest runs an edgeX.
Using a debian Etch image from nagafix.co.uk and freshly rolled 2.6.24 kernel
with TUNTAP built in (CONFIG_TUN=y).
Seems to run well. Can really hammer the edge nodes with no consideration of
bandwidth. Should be able to change the iptables setup to simulate clean, NAT
and symmetric-NAT situations (haven't tested this yet).
Current stress test is
sudo ping -f -l 15 -c 10000 -s 1200 172.16.254.3
Sustained throughput was measured at about 3Mb/s in each direction (total
6Mb/s) with two hosts (total 12Mb/s) on my P4 3G. Not bad without any
optimisation.
--
I'm trying to figure out how to present the testing framework for others. If
you're interested in running it let me know and we'll figure out a way to
describe it.
Get the name you always wanted with the new y7mail email address.
www.yahoo7.com.au/y7mail
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