Look at http://opensta.org
And for commercial options (including a comparison against OpenSTA), this InfoWorld review may be useful:
http://www.infoworld.com/article/05/11/21/47TCloads_1.html -- Joshua Penix http://www.binarytribe.com Binary Tribe Linux Integration Services & Network Consulting -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
