A method and system for establishing a session and issuing policies

A technology for establishing sessions and policies, applied in the field of mobile communication, can solve the problems of inaccurate data flow control, unnecessary and influence of S9 session establishment, and achieve the effect of QoS control

Inactive Publication Date: 2015-10-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] If the above scheme is followed, new problems will be brought about. The existing S9 mechanism: after V-PCRF receives a message from ePDG, it will be triggered to establish an S9 session with H-PCRF; for the S2b-PMIP scenario, the S9 session The establishment of the S9 session is necessary (ePDG is used as BBERF at this time), but for the S2b-GTP scenario, the establishment of the S9 session is not necessary (ePDG is not used as BBERF), and it will also cause problems to the existing H-PCRF processing mechanism How to solve this problem without affecting the H-PCRF processing mechanism is the focus of research of the present invention
[0015] In addition, for non-roaming scenarios, in the current technology, the QoS policy executed by the ePDG is static, that is, the operator implements it through configuration (for example: through the gateway configuration platform, configuring a static policy when the ePDG is powered on), so for Not precise enough for data flow control

Method used

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  • A method and system for establishing a session and issuing policies
  • A method and system for establishing a session and issuing policies
  • A method and system for establishing a session and issuing policies

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0077] The process of establishing a session in the roaming scenario of the present invention is as follows: Figure 9 shown, including:

[0078] Steps 901-902, when the UE accesses the mobile network of the visited place through the fixed network, if the fixed network can sense the access of the UE, then perform the access authentication of the mobile network of the visited place, and then the BRAS / BNG and BBF AAA agent of the fixed network (Proxy) and the 3GPP AAA server of the home mobile network participate in the authentication process. The specific implementation of the authentication process is the prior art, and will not be repeated here. After the authentication is completed, step 902 is executed, and the BRAS / BNG allocates an IP address for the UE, and then step 904 is executed.

[0079] If the fixed network cannot perceive the UE's access, skip steps 901 and 902, execute step 903, and then execute step 904.

[0080] Step 903, when the UE accesses the visited mobil...

Embodiment 2

[0112] In the present invention, the process of delivering QoS policies from PCRF to ePDG in a non-roaming scenario is as follows: Figure 11 shown, including:

[0113] Steps 1101-1102, when the UE accesses the home mobile network through the fixed network, if the fixed network can perceive the UE's access, then perform the home mobile network access authentication, and then the BRAS / BNG and BBF AAA agent of the fixed network (Proxy) and the 3GPP AAA server of the home mobile network participate in the authentication process. The specific implementation of the authentication process is the prior art, and will not be repeated here. After the authentication is completed, step 10022 is executed, and the BRAS / BNG allocates an IP address for the UIE, and then step 1104 is executed.

[0114] If the fixed network cannot perceive the UE's access, skip steps 1101 and 1102, execute step 1003, and then execute step 1104.

[0115] Step 1103, when the UE accesses the home mobile network ...

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Abstract

Disclosed are a method and a system for establishing a session. After Evolved Packet Data Gateway (ePDG) establishes a Gxb session with Visited Policy and Charging Rules Function (V-PCRF), V-PCRF determines whether a S9 session needs to be established with Home Policy and Charging Rules Function (H-PCRF) according to the protocol type used by S2b interface or whether the ePDG is regarded as a Bearing Binding and Event Report Function (BBERF), capable of resolving the problem of the impact on the handling mechanism of the H-PCRF due to the establishing of the S9 session when the V-PCRF detects UE access under the S2b-GTP scenario regardless of the protocol used by the S2b interface. Also disclosed in the present invention is a method and system of issuing policy. When the ePDG establishes a Gxb session toward the PCRF, the PCRF determines whether to issue a PCC policy to the ePDG according to the type of protocol used by the S2b interface and whether the ePDG is taken as a BBERF, capable of executing dynamic policy on the ePDG and better achieving QoS control on business data flow.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and system for establishing a session and issuing policies. Background technique [0002] The Evolved Packet System (EPS, Evolved Packet System) of the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) is composed of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network), Mobility Management Entity (MME, Mobility Management Entity), Serving Gateway (S-GW, ServingGateway), Packet Data Network Gateway (Packet Data Network Gateway, P-GW or PDN GW for short), Home Subscriber Server (HSS, Home Subscriber Server ), 3GPP authentication, authorization and accounting (AAA, Authentication, Authorization and Accounting) server, policy and charging rules function (PCRF, Policy and Charging Rules Function) entity and other supporting nodes. [0003] figure 1 It is a schematic diagram of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/24H04W28/24H04W76/02
CPCH04L12/4633H04L12/1407H04L47/20H04M15/00H04M15/66H04W4/24
Inventor 芮通周晓云孙默
Owner ZTE CORP
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