Patent ID: 6917605

Claim:
A mobile network system comprising a home network to which mobile terminal equipment users subscribe, and a foreign network other than the home network, and a network management system for waking a resource management of the whole network and which is connected to said home network; said home network having: a home agent apparatus having a home address corresponding to said mobile terminal equipment and relaying a packet transmitted from a correspondent node to said mobile terminal equipment; and a home server apparatus for managing an authentication, authorization and accounting concerning said home network; said foreign network having: a foreign agent apparatus for relaying said packet transferred from said home agent apparatus to said mobile reminal equipment; and a foreign server apparatus for managing the authentication, authorization and accounting concerning said foreign network; wherein by transmitting a registration request message containing service content changing information from said mobile terminal equipment to said foreign agent apparatus, service control information concerning said mobile terminal equipment which is possessed by each of said foreign agent apparatus said foreign server apparatus, said home server apparatus said borne agent apparatus and said correspondent node which exist on a communication path between said mobile terminal equipment and said correspondent node is updated.