Patent ID: 8320390
Filing Date: 2012-11-27
Classification: H04L,H04W

Abstract:
1. A policy decision function (PDF) addressing method, comprising: receiving, by a policy management entity (PME), a first PDF allocation request from an Access gateway, wherein the first PDF allocation request contains a user equipment (UE) identifier (ID); allocating a PDF for the Access gateway in response to the first PDF allocation request; registering, by the PME, addressing information of the allocated PDF, wherein the addressing information of the allocated PDF includes an association between the UE ID and ID information of the PDF associated with the UE ID, and the PDF associated with the UE ID has been accessed by the Access gateway; receiving, by the PME, a second PDF allocation request from a Core gateway, wherein the second PDF allocation request contains the UE ID; obtaining, by the PME, the ID information of the PDF associated with the UE ID from the registered addressing information of the allocated PDF; and sending, by the PME, the obtained ID information of the PDF associated with the UE ID to the Core gateway.