Network slice upgrading method and device

Abstract

The invention discloses a network slice upgrading method and device, relates to the technical field of communication, solves the technical problem that a plurality of NFs (Network Function) in a network slice cannot be upgraded cooperatively, and has the key points of the technical scheme that the upgrading of a wireless access network, a core network and a bearer network is globally controlled from end to end on a network slice layer. Upgrading of a plurality of NFs in the coverage area of the network slice is cooperatively completed, and the maintainability of the network is improved. Only part of the service instance of each NF in the network slice is upgraded, each NF guides the dial test service to the upgraded service instance, the service processing condition of the service instance of a new version in the network slice is verified end to end, and the remaining service instances of the NFs in the coverage range of the network slice are upgraded after verification is passed; and if the dial test verification fails, network slice version rollback can be initiated, and multiple NF versions under the network slice are orderly rollback. In addition, the whole upgrading, dial testing and rollback processes of the invention do not affect the normal processing of the end-to-end service of the network slice.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, to a method and device for upgrading network slices. Background technique [0002] In 5G communication, network slice NS (Network Slice) divides the physical network into multiple end-to-end virtual networks on demand. Each network slice can meet different types of needs, such as: massive machine communication, ultra-reliable and low-time Extend and enhance mobile broadband. A network slice can be composed of multiple network sub-slices NSS (Network Slice Subnet), such as: radio access network sub-slice, core network sub-slice, bearer network sub-slice and so on. A network sub-slice can have one or more network functions (NFs). A NF can be dedicated to one network slice or sub-slice, or can be shared by multiple network slices or sub-slices at the same time. [0003] NSMF (Network Slicing Management Function) is responsible for the instantiation of network sl...

AI Technical Summary

Problems solved by technology

The existing upgrade technology only updates the version of a single NF, see figure 1 In the upgrade process, service instances in a single NF can be upgraded at one time or in stages, but the existing technology cannot achieve coordinated upgrades of multiple professional networks and multiple NFs under network slicing; Perform an end-to-end dial test on the network slice to verify the running effect of the new version, and complete the upgrade after the verification is passed; at the same time, when upgrading a single NF, it may affect other NFs in the network slice, resulting in abnormal network slice end-to-end services deal with

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