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Control method, device and server of session anchor point

A control method and application server technology, which are applied in the field of control methods for devices, servers, and session anchors, can solve problems such as low efficiency, and achieve the effects of rapid implementation, simplified control logic, and improved policy control efficiency.

Active Publication Date: 2021-10-01
ZTE CORP
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the case of mobile edge computing, there is a problem of inefficiency in sending policies from AF to UPF

Method used

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  • Control method, device and server of session anchor point
  • Control method, device and server of session anchor point
  • Control method, device and server of session anchor point

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] During the application process, in the case of mobile edge computing, the UPF and its session anchor point will sink, away from the control plane of centralized deployment, and the AF will adjust the policy and issue the policy to the UPF. NetworkFunction, network function) to perform control logic translation. Specifically, AF needs to pass and translate multiple network functions before sending policies to UPF. The signaling forwarding path of AF is too long and the logic is complicated, which leads to There is a problem of inefficiency in sending policies from AF to UPF. To solve the prob...

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Abstract

The present invention relates to a control method, device and server of a session anchor point, which receives a strategy for controlling the session anchor point directly sent by an application server through a capability opening interface of the session anchor point; identifies the strategy, and according to the strategy, The policies are directly enforced or forwarded. The embodiment of the present invention directly provides a capability opening interface to the application server through the session anchor point, and the application server directly sends a policy to the session anchor point through the capability opening interface of the session anchor point, and performs policy control on the session anchor point, avoiding the traditional technology. In the middle network element, the mutual translation process of the control policy is required, which simplifies the control logic, shortens the signaling transmission path, and improves the policy control efficiency of the application server to the session anchor point.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a control method, device and server of a session anchor point. Background technique [0002] figure 1 It is a schematic diagram of application policy control on session anchors under the existing 5G architecture, as shown in figure 1 As shown, it mainly involves: application (AF, Application Function), policy control function (PCF, Policy Control function), session management function (SMF, Session Management Function), user plane function (UPF, User plane Function). [0003] Among them, AF is a specific application server; PCF is responsible for policy decision-making and formulation of charging rules, and provides service-based rules to SMF; SMF can decompose policies and deliver policies to corresponding UPFs for execution. [0004] During application use, AF can interact with PCF (Policy Control Function) of the core network through NEF (Network Exposure Function...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/14H04L67/146
Inventor 曹中益刘西亮郑芳庭陈琳王春晓羊苏
Owner ZTE CORP
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