Mobility management system, home agent, mobile terminal management method used for them, and its program

A mobility management system managing mobility of any one mobile terminal with a different mobility protocol depending on an access method, the system comprising an anchor node having a function of managing a CMIP (Client Mobile Internet Protocol) SA (Security Association) and a PMIP (Proxy MIP) SA used to authenticate a location registration message of said mobile terminal.

An anchor node used in a mobility management system managing mobility of each mobile terminal with a different mobility protocol depending on an access method,

• said anchor node comprising:
• a function of managing a CMIP (Client Mobile Internet Protocol) SA (Security Association) and a PMIP (Proxy MIP) SA used to authenticate a location registration message of the mobile terminal.

A mobile terminal management method used in a mobility management system managing mobility of any one mobile terminal with a different mobility protocol depending on an access method, wherein an anchor node executes processing for managing a CMIP (Client Mobile Internet Protocol) SA (Security Association) and a PMIP (Proxy MIP) SA used to authenticate a location registration message of said mobile terminal.

A program executed by an anchor node used in a mobility management system managing mobility of any one mobile terminal with different mobility protocols depending on an access method, the program causing a computer to execute processing for managing a CMIP (Client Mobile Internet Protocol) SA (Security Association) and a PMIP (Proxy MIP) SA used to authenticate a location registration message of said mobile terminal.