Patent ID: 7269165
Filing Date: 2007-09-11
Classification: H04L

Abstract:
1. A server for assigning a dynamic address of an internet protocol to a communication device, the server comprising: storing means which stores a table showing correspondence between identification numbers for communication devices and dynamic addresses of internet protocols for the communication devices; searching means which searches, when a communication device notifies an identification number for an opponent communication device, the table to obtain a dynamic address of an internet protocol corresponding to the identification number for the opponent communication device; and notifying means which notifies, when the searching means obtains from the table a dynamic address of an internet protocol corresponding to the identification number for the opponent communication device, the communication device of the obtained dynamic address, for the opponent communication device; wireless linking means which establishes, when the searching means does not obtain from the table a dynamic address of an internet protocol corresponding to the identification number for the opponent communication device, a wireless link with the opponent communication device; and assigning means which assigns a dynamic address of an internet protocol to the opponent communication device after the wireless link has been established.