METHOD AND SYSTEM FOR SELECTING POLICY AND CHARGING RULES FUNCTION ENTITY

摘要

A method for selecting Policy and Charging Rules Function (PCRF) entity is provided in this invention, the method includes that a Diameter Routing Agent (DRA) selects the same PCRF entity for at least two users sharing the subscription information. A system for selecting PCRF entity is further provided in this invention, the system includes a selection unit, which is provided in the DRA, for selecting the same PCRF entity for the at least two users sharing the subscription information. By applying the method and system provided in the present invention, the same PCRF entity is ensured to be selected for all the users sharing the subscription information, thus preventing the policy and charging control from confliction. The scheme of the present invention is simple and practical.