•http://www.microsoft.com/myservices/services/faq.asp
•http://www.microsoft.com/myservices/passport/overview.asp
•http://www.openp2p.com/
•http://www.sun.fr/produits-solutions/logiciels/opensource/p2p
•http://www.jxta.org
•http://www.groove.net
•http://www.limewire.com/
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