Patent ID: 8027303
Filing Date: 2011-09-27
Classification: H04W

Abstract:
1. A terminal comprising: a management entity configured to determine a next subnetwork to which the terminal will be in wireless communication next while the terminal is in wireless communication with a current subnetwork, and a transmitter configured to transmit data to a router of the current subnetwork via layer 3 level communication, the data indicating the determined next subnetwork and a request for establishing a bidirectional edge tunnel between a router of the next subnetwork and the router of the current subnetwork, the data being transmitted while the terminal is present in a communicatable range of the current subnetwork, the request being for making the router of the current subnetwork, in response to receiving the request, initiate establishment of the bidirectional edge tunnel between the router of the next subnetwork and the router of the current subnetwork, wherein the current subnetwork and the next subnetwork are foreign networks.