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Method and system for determining policy and charging rules function

A strategy and rule technology, applied in the direction of transmission system, accounting/billing service, metering/billing/accounting device, etc., can solve the problems of being associated with the same one, not being able to correctly associate PCC policy information, and being unable to select PCRF, etc.

Active Publication Date: 2011-11-09
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for a PDN bearer, the service information provided by AF to PCRF for formulating PCC rules is based on the transformed IP address and port number in the external packet network. The IP address information in the Diameter message sent to DRA is different from the IP address information in the Diameter message sent by PCEF to DRA on the Gx interface, so that DRA cannot associate Rx interface messages and Gx interface messages belonging to the same PDN bearer To the same PCRF, the correct PCRF cannot be selected, so that the PCC policy information cannot be correctly associated

Method used

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  • Method and system for determining policy and charging rules function
  • Method and system for determining policy and charging rules function
  • Method and system for determining policy and charging rules function

Examples

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Embodiment Construction

[0057] Figure 8 It is a flowchart of the method of the present invention, in the scenario where the network address translator and DRA are deployed at the same time, such as Figure 8 shown, including the following steps:

[0058] Step 800: DRA acquires IP address translation information.

[0059] In this step, it may be that the PCEF actively carries the IP address translation information (that is, the information of the corresponding relationship before and after the address translation) in the Gx interface message sent to the DRA; it may also be that the DRA actively queries the PCEF through the Gx interface to obtain the IP address translation information .

[0060] Wherein, the PCEF can obtain IP address translation information from the network address translator through various existing methods, which are not limited in the present invention, and the obtaining methods are not used to limit the protection scope of the present invention.

[0061] Step 801: DRA uses the...

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Abstract

The invention discloses a method and system for determining a policy and charging rules function (PCRF). A Diameter routing agent (DRA) obtains internet protocol (IP) address translation information, and performs PCRA selection and association by utilizing the obtained IP address translation information. Through use of the method for determining PCRF, the DRA can select the PCRF accurately according to messages on an interface Rx and an interface Gx under a context that a network address translator and the DRA are arranged simultaneously, thus strategic information association of policy and charging control (PCC) is accurately realized.

Description

technical field [0001] The invention relates to policy and charging control formulation technology, especially a method and system for determining the function of policy and charging rules. Background technique [0002] figure 1 is the network structure diagram of the existing EPC network, figure 2 It is the system architecture diagram of the existing EPC network, such as figure 1 and figure 2 As shown, the third generation partnership project (3GPP, 3rd Generation Partnership Project) evolved packet system (EPS, Evolved Packet System) is formed by the evolved universal mobile communication system terrestrial radio access network (E-UTRAN, Evolved Universal Terrestrial Radio AccessNetwork) , Mobility Management Entity (MME, Mobility Management Entity), Serving Gateway (S-GW, Serving Gateway), Packet Data Network Gateway (PDN GW, Packet Data Network Gateway, also known as P-GW), Home Subscriber Server (HSS, Home Subscriber Server), Policy and Charging Rules Function (PC...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/24H04W8/26H04W28/24H04W80/04
CPCH04M15/00H04L12/14H04L61/2514H04L29/12367H04W4/24H04L41/046H04M15/66
Inventor 蒋陶周星月
Owner ZTE CORP
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