User IP address allocation management method and device and session management function entities

An IP address and management method technology, applied in the field of user IP address allocation management and session management functional entities, can solve problems such as session inability to achieve, and achieve the effect of solving the possibility of session failure, avoiding address allocation conflicts, and ensuring normal implementation.

Active Publication Date: 2022-02-11
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a user IP address allocation management method, device and

Method used

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  • User IP address allocation management method and device and session management function entities
  • User IP address allocation management method and device and session management function entities
  • User IP address allocation management method and device and session management function entities

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Embodiment Construction

[0178] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0179] The present invention aims at the problem that the session may not be realized in the prior art, and provides a user internet protocol IP address allocation management method, which is applied to the SMF entity where the session management function SMF is concentrated, such as image 3 shown, including:

[0180] Step 31: Obtain allocation information of the target IP address, where the allocation information includes first correspondence information between the target IP address and the SMF entity and occupancy information of the target IP address;

[0181] Step 32: according to the allocation information, perform user IP address allocation;

[0182] Wherein, the target IP address refers to at least one user IP address that can be allocated by th...

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Abstract

The invention provides a user IP address allocation management method and device and session management functional entities, wherein the user IP address allocation management method is applied to SMF entities in an SMF set, and comprises the steps: obtaining the allocation information of target IP addresses, wherein the allocation information comprises the information of a first corresponding relation between the target IP addresses and the SMF entities and the information of the occupation condition of the target IP addresses; performing user IP address allocation according to the allocation information; wherein the target IP addresses refer to at least one user IP address which can be allocated by the SMF entities; and enabling different SMF entities in the SMF set to correspond to different target IP addresses. According to the scheme, the IP addresses of the UE can be allocated by adopting the SMF in the SMF set, the address allocation conflict is avoided, the normal implementation of the IP address allocation of the UE is ensured, the normal implementation of the session is further ensured, and the problem that the session cannot be realized in the prior art is well solved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a user IP address allocation management method, device and session management functional entity. Background technique [0002] Currently, 5GC (the fifth-generation mobile communication technology core network, namely 5G core network) supports SMF from the UE (terminal) IP address pool corresponding to the selected PSA (Protocol Data Unit Session Anchor) UPF (User Plane Function) The UE allocates an IP address (that is, the SMF allocates the UE IP address), and also supports the SMF requesting the UPF to allocate an IP address for the UE and obtains the UE IP address allocated by the UPF through the N4 interface (the interface between the SMF and the user plane function UPF) process (that is, the UPF Assign UE IP address). SMF allocation of UE IP address is a mandatory function, and UPF allocation of UE IP address is an optional function. [0003] In order to achi...

Claims

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Application Information

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IPC IPC(8): H04L61/5007H04L61/5046H04L61/5061H04W24/02
CPCH04W24/02
Inventor 王荣周越宋月
Owner CHINA MOBILE COMM LTD RES INST
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