POLICY DECISION FUNCTION ADDRESSING METHOD, NETWORK ELEMENT AND NETWORK SYSTEM

摘要

A policy decision function (PDF) addressing method includes: receiving a PDF allocation request that contains a user equipment (UE) identifier (ID) from a second network element (NE); obtaining ID information of a PDF associated with the UE ID according to pre-registered addressing information of the PDF, where the addressing information of the PDF is an association between the UE ID and the ID information of the PDF, and the PDF associated with the UE ID is accessed by a first NE; and sending the obtained ID information of the PDF to the second NE.

主权项

1. A policy decision function (PDF) addressing method, comprising:
sending, by an Access gateway, a first PDF allocation request to a policy management entity (PME), wherein the first PDF allocation request contains a user equipment (UE) identifier (ID); allocating, by a processor of the PME, a PDF for the Access gateway in response to the first PDF allocation request, wherein the allocated PDF is used to generate policy control information; registering, by the processor of 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; sending, by a Core gateway, a second PDF allocation request to the PME, wherein the second PDF allocation request includes the UE ID; and obtaining, by the processor of the PME, the ID information of the allocated PDF associated with the UE ID from the registered addressing information of the allocated PDF in response to the second PDF allocation request, so as to enable the Core gateway to obtain policy control information from the allocated PDF.