Patent ID: 6973068
Filing Date: 2005-12-06
Classification: G06F,G06Q,H04L,H04W

Abstract:
1. A mobile computer management device located in a home network of a mobile computer for enabling the mobile computer to carry out communications while moving over inter-connected networks, the mobile computer management device comprising: a registration unit for registering an information on a current location of the mobile computer, based on a registration message transmitted from the mobile computer, which is currently located outside the home network; a transfer unit for transferring packets destined to the mobile computer to the current location of the mobile computer according to the information registered by the registration unit; a user authentication unit for carrying out a user authentication, prior to a registration of the information on the current location of the mobile computer, to judge a properness of a user of the mobile computer according to a user-input-based information received from the mobile computer, and controlling the registration of the information by the registration unit according to a result of the user authentication; and a transmission unit for transmitting, prior to the registration of the information, a challenge message that requests returning of a user authentication information to the mobile computer when a new registration message containing the information on the current location of the mobile computer is received from the mobile computer; wherein the user authentication unit judges the properness of the user according to the user-input-based information which is contained in a response message returned from the mobile computer in response to the challenge message as the user authentication information.