Patent ID: 8611892

Claim:
A mobile communication network system comprising: a plurality of routers; and a mobility managing apparatus configured to control mobility of a mobile node, wherein the mobility managing apparatus includes: a table to store information about geographical locations of routers to which the mobile node is to be connected, the information including a boundary router controlled under the mobility managing apparatus in association with an adjacent router that is adjacent to the boundary router and controlled under a neighbor mobility managing apparatus; a router determination unit configured to determine whether the mobile node has reached the boundary router managed by the mobility managing apparatus and, if the mobile node has moved to the boundary router, determine the neighbor mobility managing apparatus by detecting the adjacent router from the table; and a correspondent node information forwarding unit configured, upon detection of the mobile node having reached the boundary router, to transmit information about a correspondent node that is communicating with the mobile node to the neighbor mobility managing apparatus, wherein the neighbor mobility managing unit receives and stores the forwarded information before the mobile node is connected to the adjacent router, and configure the stored information after the mobile node is connected to the adjacent router and an Active Notification from the adjacent router is received at the neighbor mobility managing apparatus.