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Method for discovering network function nf according to security level

A security level and network function technology, which is applied in the field of network function discovery at the level, can solve the problems of potential safety hazards and low security levels, and achieve the effect of avoiding potential safety hazards and meeting the requirements of security protection levels

Active Publication Date: 2021-09-21
IPLOOK NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, NF serving the government, public security organs, finance and various special industries often require a high level of security, while the security level of NF applied to the Internet of Things is relatively low. If the NF service provider is selected based on the aforementioned information, it may NFs with different security levels access and call each other, causing great security risks

Method used

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  • Method for discovering network function nf according to security level
  • Method for discovering network function nf according to security level
  • Method for discovering network function nf according to security level

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Embodiment Construction

[0040] The technical solution of the present application will be clearly and completely described below in conjunction with the specific embodiments of the present application and the corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0041]In 5GC, there may be multiple deployments of the same type of NF, and NRF needs to select the best NF to return to the NF service user. see figure 1 , the access and mobility management function AMF is the NF service user, and it requests the NRF to discover a unified data management function UDM.

[0042] In this application, NRF discovers the network function NF according to the security level, and the specific methods include:

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Abstract

The invention discloses a method for discovering a network function NF according to a security level, which is characterized in that it comprises the following steps: configuring the security level of the network function NF; the network storage function NRF receiving a registration request, and verifying the security level; Request to discover NFs based on security level. Compared with the prior art, the method for discovering the network function NF according to the security level of the present invention, when each NF accesses the network, configures the corresponding security level for it, and for NF service users with different security levels, NRF discovers them NF service providers with corresponding security levels, so as to ensure mutual access or call services between NFs with the same security level requirements, avoid potential security risks, and meet the security protection level requirements of 5GC network elements.

Description

technical field [0001] The present invention relates to the field of wireless communication, and more specifically, relates to a method for discovering a network function (network function, NF) according to a security level. Background technique [0002] The system architecture of the fifth generation mobile communication system (the fifth generation, 5G) is based on the service based architecture (SBA), and the elements in the system architecture are defined as some network functions (Network Function, NF) composed of services, Each NF provides external services through a service-oriented interface, and allows other NFs to access or invoke its own services. All NFs realize automatic management through a network function storage function (NF repository function, NRF). When each NF starts, it must register with NRF (NFRegister) to provide services. If a NF wants other NFs to provide services, it must first perform service discovery (NFDiscover) through NRF. The NF that prov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/24
CPCH04L41/08H04L63/10H04L63/205
Inventor 林振华苏国章
Owner IPLOOK NETWORKS CO LTD