Patent attributes
A communication system comprising: terminal devices; a gateway device; a first server for receiving a service request; a second server for providing service; and a resource control device for providing policy information to be applied to the service. The first server transmits a policy request including the obtained flow information identifier and the obtained subscriber identifier to the resource control device and transmits identification information of the resource control device to the gateway device. The resource control device transmits the retrieved policy information to the gateway device based on the obtained flow information identifier and the obtained subscriber information. The gateway device receives the policy information from the resource control device corresponding to the resource control device, and sets the received policy information with respect to the service. The second server provides the service which has the policy information set thereto, to the one of the plurality of terminal devices.