People who are interested in such things might find this interesting: http://lwn.net/SubscriberLink/205644/f12f60903303d835/ (Yes it is a link you can read - SubscriberLink refers to the fact I am a subscriber and sharing a story) -- Ian McDonald Web: http://wand.net.nz/~iam4 Blog: http://imcdnzl.blogspot.com WAND Network Research Group Department of Computer Science University of Waikato New Zealand