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Network function routing method, device and system

A network function and routing technology, applied in the field of communication, can solve the problems of complex cNF/proxy network element configuration, difficult deployment, operation and maintenance, and inflexibility.

Active Publication Date: 2021-03-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will lead to complex and inflexible configuration of each cNF / proxy network element, resulting in difficulties in deployment and operation and maintenance

Method used

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  • Network function routing method, device and system
  • Network function routing method, device and system
  • Network function routing method, device and system

Examples

Experimental program
Comparison scheme
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example 1

[0161] Example 1), for scenario 1, that is, when one or more pNFs, and the first proxy network element is located in the domain where the first service discovery entity is located, and the intra-domain routing indication of the first proxy network element is used to indicate intra-domain access, the first proxy network element When the network element is in a disabled state, or there is no proxy network element in the domain where the first service discovery entity is located, correspondingly, the method provided by the embodiment of the present application further includes:

[0162] Step 412, the first service discovery entity determines information of one or more pNFs from the domain where the first service discovery entity is located according to the demand information.

[0163] Step 413, the first service discovery entity sends information of one or more pNFs to the cNF.

[0164] Step 414, the cNF receives information from one or more pNFs of the first service discovery en...

example 2

[0168] Example 2), for scenario 2, that is, the first proxy network element is located in the domain where the first service discovery entity is located, and the second proxy network element also exists in the domain where one or more pNFs are located, that is, the domain where the cNF is located and one or more pNFs are located There are proxy network elements in the domain.

[0169] Correspondingly, such as Figure 6 As shown, step 402 in the embodiment of the present application can be specifically implemented in the following ways:

[0170] Step 4021, the first service discovery entity determines that one or more pNFs are located in the domain of the second service discovery entity, and the first service discovery entity sends requirement information to the second service discovery entity.

[0171] It should be understood that the first service discovery entity may forward the second request message to the second service discovery entity. Of course, the first service dis...

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Abstract

The embodiment of the invention provides a network function routing method, device and system, relates to the technical field of communication, and is used for providing routing information to a cNF by a service discovery entity in a service discovery process so as to avoid the problems of complex and inflexible configuration caused by local routing policy configuration in the cNF. The scheme comprises: a first service discovery entity determines one or more pNFs that a cNF requests to access; the cNF is located in a domain where the first service discovery entity is located; under the condition that the one or more pNFs are located in the domain where the second service discovery entity is located, the first service discovery entity acquires information of the one or more pNFs from the second service discovery entity; and the first service discovery entity sends the information of the one or more pNFs and the first routing information to the cNF. The first routing information is usedfor indicating the cNF to send a service request message for the target pNF to the first proxy network element. The first proxy network element is located in the domain where the first service discovery entity is located, or the first proxy network element is located in the domain where the second service discovery entity is located.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a network function routing method, device, and system. Background technique [0002] The network function repository function (network function repository function, NRF) supports the service discovery of the network function (network function, NF) / service (services) in the fifth generation core network (5th generation, 5GC), and the network function consumer (consumer network function, cNF) / network function provider (producer network function, pNF) direct routing. However, for large-scale operators, the network will be divided into multiple areas. In order to reduce the number of links that need to be supported between NFs and simplify the networking, a hyperText transfer protocol proxy (proxy network element) will be introduced to perform domain Inter-routing convergence. [0003] In the current standard 5GC NRF architecture, each cNF / ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W40/02
CPCH04W24/02H04W40/02
Inventor 王毓芳郝文杰
Owner HUAWEI TECH CO LTD