Patent ID: 7136365
Filing Date: 2006-11-14
Classification: H04W

Abstract:
1. A mobile node adapted router, located on a communication path between a correspondent node communicating with a mobile node and a home agent of the mobile node, and forming a network supporting packet communication for at least a mobile node, comprising: a memory means for storing a current address of said mobile node which should be stored by a correspondent node of the packet communication in place of the correspondent node; a transfer means for referring to said memory means, converting a home address destination to a current address destination, and transmitting a packet, when receiving a packet transmitted from said correspondent node destined for the home address destination, to the current address destination before the received packet reaches the home agent; and a registering means for newly registering correspondence between the home address and the current address in the memory means triggered by the reception of update notifying information transmitted for notifying the correspondent node in communication of updating of an address along with a change of the current address due to movement of the mobile node.