Patent ID: 8073444
Filing Date: 2011-12-06
Classification: H04L,H04W

Abstract:
1. A method of operating a system that includes a home network and a visited network to which a device associated with a subscriber is connected, said method comprising: at a serving policy function entity on the visited network, determining a current location of the subscriber device; forwarding information relating to the current location of the subscriber from the serving policy function entity to an anchor policy function entity on the home network, wherein the subscriber is associated with the anchor policy function entity; at the network routing device receiving an application request from a subscriber device via an enforcement point through which the subscriber accesses the visited network, and routing the request directly to the anchor policy function entity; at the serving policy function entity, receiving from the anchor policy function entity a first set of policy decisions regarding the subscriber made by the anchor policy based on the received location related data and the received request; at the serving policy function entity, making a second set of policy decisions regarding network resources to be allocated for the subscriber on the visited network based on the first set of policy decisions; controlling the enforcement point by delivering a policy decision from the serving policy function entity to the enforcement point; and at the enforcement point, enforcing the policy decision.