A Virtual Private Network (VPN) system that includes a plurality of terminals, services and servers, part or all of which are root-trust module based platforms. The system provides the management of root-trust based platforms in the network, and enables verification among the platforms. ...http://www.google.de/patents/US20050132229?utm_source=gb-gplus-sharePatent US20050132229 - Virtual private network based on root-trust module computing platforms
