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Method, device, and network functional entity for implementing control plane resource migration

A technology of network functions and functional entities, applied in transmission systems, electrical components, etc., can solve problems such as the inability to realize user control plane resource migration, and achieve the effect of improving resource utilization, ensuring reliability, and improving user experience

Active Publication Date: 2021-11-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above NF selections are all selected during the session establishment process, but for NFs that have established session connections, the migration of user control plane resources cannot be realized

Method used

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  • Method, device, and network functional entity for implementing control plane resource migration
  • Method, device, and network functional entity for implementing control plane resource migration
  • Method, device, and network functional entity for implementing control plane resource migration

Examples

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Embodiment Construction

[0070] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0071] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0072] For the NF that has established a PDU session connection, due to network or its own reasons, the overload (capacity and resource utilization is too high), or a certain NF fails (such as network failure and NF itself failure), or operation and maintenance upgrade, fault isolation, When manual shrinkage and expansion require the operation of operation a...

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PUM

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Abstract

The present invention discloses a method, device and network function entity for implementing control plane resource migration, wherein the method includes: the network function repository function entity NRF determines to migrate the user control plane resources of the first network function entity NF; The NRF selects a second NF of the same type as the first NF; the NRF sends a user control plane migration request to the second NF, and the user control plane migration request carries the address information of the first NF and the address information to be migrated The user's identifying information. In the embodiment of the present invention, the lossless migration of user control plane resources is triggered by the adjacent NF, which can optimize network resources in real time, improve network resource utilization, and also ensure the reliability of user services and improve user experience.

Description

technical field [0001] The present application relates to the field of mobile communication, in particular to a method, device and network functional entity for implementing control plane resource migration. Background technique [0002] figure 1 It is a schematic diagram of the overall architecture of 5G (fifth generation communication system), such as figure 1 As shown, the 5G architecture mainly includes: AMF (Access Management Function, access management function entity), SMF (Session Management Function, session management function entity), UPF (User Plane Function, user plane function entity), UDM (Unified Data Management, Unified data management entity), PCF (Policy Control Function, policy control function entity), NRF (Network Function Repository Function, network function repository function entity), etc. [0003] Among them, the connection of the user plane is UE (User Equipment, user equipment) to RAN (Radio Access Network, wireless access network) to UPF, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/148H04L65/40
Inventor 唐伟杰李志军
Owner ZTE CORP
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