Holland & Knight LLP
Method for deleting session information in DRA
The present invention discloses a method for deleting session information in Diameter Routing Agent, this method comprises: sending a request message for deleting the Diameter session to a visited Diameter Routing Agent DRA and a visited policy and charging rules function PCRF by a policy and charging control client; after the visited DRA receives the request message, the visited DRA marking the Diameter session as termination in the visited DRA; after the visited PCRF receives the request message, the visited PCRF sending a message requesting to delete the Diameter session information to a home DRA, the home DRA marking the Diameter session in the home DRA as termination. In the present invention, the session information in the DRA may be effectively deleted when the BBERF entity, the PCEF entity or the AF entity terminates the Diameter session between the local and the PCRF entities.
ZTE Corporation
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Xiaoyun Zaifeng Tong
Zhou Zong Rui