Patent ID: 8108552
Filing Date: 2012-01-31
Classification: H04L

Abstract:
1. An information-processing device that performs tunnel communications, said information-processing device comprising: a tunnel communication part including a network interface for communicating with a server via a communication line of a communication network, wherein the tunnel communication part acquires an identifier and an IP address of a communication destination device from the server and then performs the tunnel communications over the communication network with encapsulated communication target data; a judgment part for determining whether the information-processing device is to be a source of the tunnel communication or a destination of the tunnel communication in each of the tunnel communications; and an address determination part including a computer-readable memory storing a table comprising a plurality of addresses that are dedicated for assignment only to callers during initiation of the tunnel communications and separately comprising a plurality of other addresses that are dedicated for assignment only to callees during initiation of the tunnel communications, wherein: