There is provided a communications network including a server forming part of a virtual private network, a plurality of client computers operative to request connection to the server and to be connected to the server when a request for connection is granted, thereby to be added to the virtual private...http://www.google.de/patents/US7921215?utm_source=gb-gplus-sharePatent US7921215 - Method and apparatus for optimizing and prioritizing the creation of a large number of VPN tunnels
