A system allows a device to communicate using a virtual network the method by assigning a network address to the device. The network address is selected from a plurality of network addresses that can be assigned to any of a plurality of virtual networks. The system receives a request to authenticate...http://www.google.com/patents/US7869436?utm_source=gb-gplus-sharePatent US7869436 - Methods and apparatus for connecting to virtual networks using non supplicant authentication