CN-122027480-A - 5G slice arrangement method for customized interconnection service application

CN122027480ACN 122027480 ACN122027480 ACN 122027480ACN-122027480-A

Abstract

The invention provides a 5G slice arrangement method for customized interconnection service application, and belongs to the field of 5G communication. The method comprises the steps of receiving standard information and additional information of a network slice template, transmitting the standard information and the additional information to a network slice management function module, selecting sub slices, generating parameters for customizing interconnection services, transmitting the parameters to a parameter management and arrangement system, transmitting a resource information acquisition request message to a virtualization infrastructure manager, returning a query result to the parameter management and arrangement system by the virtualization infrastructure manager, generating VNF configuration information and EMS configuration information, returning the VNF configuration information and the EMS configuration information to the network slice management function module, transmitting a NSI deployment request to the network element function virtualization arrangement and management module, performing VNF deployment, creating a network element instance, and performing network element configuration issuing to realize the support of customized interconnection service application. The invention realizes parameter decomposition and message information transmission of the customized interconnection service function, so that the slice arrangement system can solve the problem of customized interconnection service application.

Inventors

TIAN ZHONGQI
ZHANG YONG
YAN MINGDONG
LI HUI

Assignees

中国电子科技集团公司第五十四研究所

Dates

Publication Date: 20260512
Application Date: 20260210

Claims (3)

1. A 5G slice orchestration method for customized interconnect service applications, comprising the steps of: step 1, receiving network slice template standard information input by a user through a communication service management function and additional information for customizing interconnection service, and requesting to transmit the received information to a network slice management function module through createSliceRequest, wherein the additional information comprises slice related basic information, service performance requirement parameters, link bandwidth, bearing, mode and QOS quality parameters; Step 2, selecting sub-slices through a network slice management function module, generating parameters for customizing interconnection services, and sending the parameters for customizing the interconnection services to a parameter management and arrangement system through SENDCSPARAM messages; Step 3, sending a request message for acquiring resource information to the virtualized infrastructure manager through the parameter management and arrangement system, after receiving the request, inquiring available hard disk space and corresponding storage mode of the node, available network service type and available address pool, and then returning the inquiry result to the parameter management and arrangement system; Step 4, the parameter management and arrangement system generates VNF configuration information and EMS configuration information by utilizing createSliceRequest additional information in the resource information returned in the step 3, and returns the VNF configuration information and the EMS configuration information to the network slice management function module through updateAllocateParam information; step 5, sending a deployment NSI request to a network element function virtualization arrangement and management module through a network slice management function module; Step 6, performing VNF deployment, and creating a related network element instance by using a virtualized infrastructure manager; And 7, carrying out network element configuration issuing, and carrying out configuration updating on the network element by using a network element management system to realize the support of customized interconnection service application.
2. The 5G slice orchestration method for customized interconnect service applications according to claim 1, wherein in step 2, the specific manner of sub-slice selection is: Determining required cpu computing resources through performance related data comprising slice bandwidths and slice user registration rates, and generating sub-slice instance computing resource parameters; Calculating required network resources through QOS related data comprising network time delay and slice jitter, determining required maximum bandwidth and time delay, and generating sub-slice instance network resource parameters; And generating sub-slice instance memory and storage resource parameters through carrying the number of users and the memory resource space and storage space required by characteristic support data calculation.
3. The 5G slice orchestration method for customized interconnect service applications according to claim 1, wherein in step4, the VNF configuration information and the EMS configuration information are generated in the following manner: 1) Utilizing parameter automation to generate VNF configuration information with granularity reaching the VNF and meeting the customized interconnection service requirement, calculating CPU, memory, hard disk and network resources which are required to be met as a whole, and distributing the resource requirements according to network element requirements to generate VNF configuration; 2) And (3) automatically generating EMS parameter information which is granularity to the network element and meets the requirements of customized interconnection service by utilizing parameters, and generating parameters of maximum support users, maximum service flow limit and service priority guarantee of the network element according to the parameters of the number of users, service flow and service quality, and storing the parameters as EMS configuration parameters.

Description

5G slice arrangement method for customized interconnection service application Technical Field The invention belongs to the field of 5G communication, and particularly relates to a 5G slice arrangement method for customized interconnection service application. Background Distributed multi-node networking without fixed infrastructure is a typical application scenario for special communications. Under the scene, a plurality of devices in a region range are connected by utilizing a wireless customized interconnection technology, interconnection and intercommunication are realized, services are provided uniformly, and uniform management is performed, so that higher communication stability, higher redundancy and destruction resistance and stronger data transmission capability are realized. Based on the customized Internet, network slices are further overlapped, so that the network security and isolation, particularly the service guarantee capability of key communication, can be effectively improved, and the application of the 5G system and the customized Internet distributed networking in the special communication field can be better promoted. The customized interconnection slice network is an enhancement of special communication to 3GPP, and has the characteristics of multiple nodes, complex topology and high customization. To achieve rapid deployment of a customized interconnected slice network, a slice orchestration system must be relied upon. The standardized 5G slice arrangement system is oriented to a generalized service, and has the following problems when 5G slice network arrangement based on a customized interconnection architecture is performed: 1. The customized interconnection service parameters which do not accord with the universal interface cannot be subjected to end-to-end parameter decomposition; 2. Node selection, node creation and node association information caused by customized interconnection services cannot be processed in a message flow. Therefore, how to design a customized 5G slice arrangement scheme with end-to-end efficient demand resolution and parameter configuration mechanism for customized interconnection services is a critical technical problem faced in the art. Disclosure of Invention Aiming at the problem that the conventional standard 5G slice arrangement cannot decompose the customized interconnection service parameters which do not accord with the universal interface into end-to-end parameters, the invention provides a 5G slice arrangement method aiming at the customized interconnection service application. The invention expands the standardized slice creation message interaction flow, and introduces new variables into createSliceRequest messages to enhance the processing capacity of the slice arranging system on customized interconnection node parameters. Meanwhile, aiming at the problem that node selection, node creation and node establishment information brought by customized interconnection service in a slice creation message flow cannot be processed, two interactive messages SENDCSPARAM and updateAllocateParam are added between NSMF and NFVO in the slice creation flow, complex parameters are decomposed into inherent parameters, variable parameters, conditional parameters and encodable parameters, secondary design of the parameters is carried out, and parameter decomposition and message information transmission of customized interconnection service functions are realized. The invention adopts the following technical scheme: a 5G slice orchestration method for a customized interconnect service application, comprising the steps of: step 1, receiving network slice template standard information input by a user through a communication service management function and additional information for customizing interconnection service, and requesting to transmit the received information to a network slice management function module through createSliceRequest, wherein the additional information comprises slice related basic information, service performance requirement parameters, link bandwidth, bearing, mode and QOS quality parameters; Step 2, selecting sub-slices through a network slice management function module, generating parameters for customizing interconnection services, and sending the parameters for customizing the interconnection services to a parameter management and arrangement system through SENDCSPARAM messages; Step 3, sending a request message for acquiring resource information to the virtualized infrastructure manager through the parameter management and arrangement system, after receiving the request, inquiring available hard disk space and corresponding storage mode of the node, available network service type and available address pool, and then returning the inquiry result to the parameter management and arrangement system; Step 4, the parameter management and arrangement system generates VNF configuration information and EMS configuration information by utilizin