Patent ID: 8199669

Claim:
An access router comprising: an inquiry unit for inquiring of another access router about service providing device address information of a service providing device that can provide a service to a mobile terminal that is moving from a location area covered by a currently connected access router to another location area covered by another access router; and a holding unit for holding correspondence information between the service providing device address information of the service providing device obtained by the inquiry unit and mobile terminal device address information of the mobile terminal device; wherein the access router sends a service start request message including the mobile terminal device address information and a terminal identifier of the mobile terminal device uniquely identifiable in a communication network, to the service providing device so that the service providing device creates service information for providing the service to the mobile terminal device, and wherein when the access router receives a service start request response message from the service providing device, the terminal identifier of the mobile terminal device and the service providing device address information are added in the holding unit as the correspondence information, so that the service between the service providing device and the mobile terminal device is controlled based on the correspondence information held in the holding unit.