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Gx interface resource releasing method and device

A resource release and interface technology, applied in the field of Gx interface resource release, can solve the problems of session termination message loss, session instance not being released in time, etc., and achieve the effect of saving storage resources

Active Publication Date: 2013-01-16
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0011] The present invention provides a method and device for releasing Gx interface resources, so as to solve the problem that some peer-to-peer session instances on the PCRF may not be released in time due to the loss of the session termination message caused by PGW failure or some other reasons

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  • Gx interface resource releasing method and device
  • Gx interface resource releasing method and device

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Embodiment Construction

[0026] The method and device for releasing Gx interface resources provided by the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0027] The loss of CCR-T information due to PGW failure or some other reasons may cause some peer-to-peer session instances on the PCRF device to not be released in time. In order to solve this problem, the present invention provides a Gx interface resource release method, such as Figure 5 Shown, including:

[0028] Step 501: For each IP connection access network IP-CAN session, it is determined that when the IP-CAN session exceeds the set duration and the packet array gateway PGW does not interact with the packet array gateway PGW, check whether the PGW is still on the PGW by actively performing message interaction with the PGW. Save the session information of the IP-CAN session;

[0029] Step 502: When it is determined that the session information of the IP-CAN session is not saved...

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Abstract

The invention provides a Gx interface resource releasing method and device. The method comprises the following steps: for each IP connection access network (IP-CAN) conversation, determining and detecting whether conversation information of the IP-CAN conversation is still stored on a PGW (Packet Gateway) by actively carrying out message interaction with the PGW when the IP-CAN conversion is not in message interaction with the PGW for over set time; and when determining the conversion information of the IP-CAN conversation is not stored on the PGW, deleting the locally stored conversion information of the IP-CAN conversation. According to the invention, the release of equal conversation example resources on a PCRF (Policy And Charging Rule Function) can be implemented, so that storage resources are saved and the access of subsequent users can be avoided being influenced.

Description

Technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a method and device for releasing Gx interface resources. Background technique [0002] In the PCC (Policy Control and Charging) architecture of 3GPP (3rd Generation Partnership Project), the core network element PGW (Packet Gateway) and PCRF (Policy and Charging Rule Function, the device interacts through the Gx interface to establish an IP-CAN (IP-Connectivity Access Network, IP-Connectivity Access Network) session, and implement policy control. [0003] In the Gx interface, the Gx Session ID uniquely identifies an IP-CAN session. Such as figure 1 As shown, one user terminal UE corresponds to one or more IP-CANs. [0004] When UE attaches or PDN (Packet Data Network, packet data network) connection is established, such as figure 2 As shown, PGW requests PCRF to perform PCC authorization for session establishment through CCR-I (Credit Control Request-Initial...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/06
Inventor 王志新
Owner DATANG MOBILE COMM EQUIP CO LTD
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