The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 29, 2014
Filed:
Dec. 16, 2008
Xiaoyun Zhou, Shenzhen, CN;
Zaifeng Zong, Shenzhen, CN;
Tong Rui, Shenzhen, CN;
ZTE Corporation, Shenzhen, Guangdong Province, CN;
Abstract
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.