COMMUNICATION SYSTEM AND COMMUNICATION METHOD, AND MOBILE NODE AND GATEWAY USED FOR THE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a communication consecutive system wherein communication before handover can also be continued even after handover at the movement of a mobile node in a network.

SOLUTION: In the mobile node and a gateway apparatus for communication wherein an IP address of the mobile node is changed due to handover, connection management modules 200, 201 of the mobile node 100 and the gateway 101 store connection information of the mobile node 100 before the handover and the connection information before the handover is made to correspond to the connection information after the handover to continue the communication before the handover even after the handover.

COPYRIGHT: (C)2004,JPO&NCIPI