Patent ID: 7020120

Claim:
A mobile computer management device for managing a moving location information of a mobile computer which is capable of carrying out communications while moving among inter-connected networks, and transferring packets destined to the mobile computer to a current location of the mobile computer, the mobile computer management device comprising: a reception unit configured to receive a location registration message containing a first information on the current location of the mobile computer, a second information indicating that the mobile computer has received a dynamic address allocation at a home network, and a third information capable of identifying the mobile computer which is indicative of a dynamic address, from the mobile computer at the current location outside the home network; a transmission unit configured to transmit a request message for requesting a re-allocation of the dynamic address indicated by the third information contained in the location registration message received by the reception unit, to an address management server of the home network; and a response unit configured to generate a registration response message reflecting a response to the request message from the address management server, and return the registration response message to the mobile computer.