METHOD AND APPARATUS FOR IDENTIFYING SESSION INFORMATION

摘要

A method and an apparatus for identifying session information are disclosed by the present invention, wherein the method includes: a sending end PCRF sends an S9 session message to a receiving end PCRF in order to transmit the Diameter session information, wherein the S9 session message carries the identification information identifying the Diameter session uniquely; the receiving end PCRF determines the Diameter session corresponding to the Diameter session information carried by the S9 session message according to the identification information. By the present invention, when the receiving end PCRF issues the policy control information, it issues the policy control information to a corresponding Gxx session or AF session according to the unique identification information carried by the S9 session, thereby it can consummate the application flow of the realization of the S9 roaming interface in the policy charging control frame.