5G slice arrangement method for customized interconnection service application

Abstract

The invention provides a 5G slice arrangement method for a customized interconnection service application, and belongs to the field of 5G communication. The method comprises the following steps: receiving network slice template standard information and additional information, and transmitting the information to a network slice management function module; selecting sub-slices, generating parameters for customizing the interconnection service, and sending the parameters to a parameter management and arrangement system; a resource information acquisition request message is sent to the virtualization infrastructure manager, and the virtualization infrastructure manager returns a query result to the parameter management and arrangement system; generating VNF configuration information and EMS configuration information, and returning the VNF configuration information and the EMS configuration information to the network slice management function module; sending an NSI deployment request to a network element function virtualization arrangement and management module; performing VNF deployment, and creating a network element instance; and network element configuration issuing is carried out, so that support for customized interconnection service application is realized. According to the invention, parameter decomposition and message information transmission of the customized interconnection service function are realized, so that the slice arrangement system can solve the problem of customized interconnection service application.

Description

Technical Field

[0001] This invention belongs to the field of 5G communication, and in particular, it is a 5G slicing and orchestration method for customized interconnected service applications. Background Technology

[0002] Distributed multi-node networking without fixed infrastructure is a typical application scenario for specialized communications. In this scenario, customized wireless interconnection technology connects multiple devices within a geographical area, enabling interconnection, unified service provision, and unified management. This achieves higher communication stability, greater redundancy and resilience, and stronger data transmission capabilities. Further layering network slicing on top of the customized interconnection network can effectively improve network security, isolation, and especially the service assurance capabilities for critical communications, thus better promoting the application of 5G systems and customized interconnected distributed networking in specialized communication fields.

[0003] Customized interconnect slice networks are enhancements to 3GPP communication with special features, characterized by numerous nodes, complex topologies, and high customization. Rapid deployment of customized interconnect slice networks relies on slice orchestration systems. Standardized 5G slice orchestration systems, geared towards general-purpose services, face the following challenges when orchestrating 5G slice networks based on customized interconnect architectures:

[0004] 1. Unable to perform end-to-end parameter decomposition of customized interconnect service parameters that do not conform to the general interface;

[0005] 2. Unable to process node selection, node creation, and node connection information brought about by customized interconnection services in the message flow.

[0006] Therefore, designing a customized 5G slicing orchestration scheme that can achieve end-to-end efficient demand parsing and parameter configuration mechanisms for customized interconnected services is a key technical challenge in this field. Summary of the Invention

[0007] To address the issue that existing standard 5G slice orchestration methods cannot perform end-to-end parameter decomposition for customized interconnection service parameters that do not conform to universal interfaces, this invention provides a 5G slice orchestration method for customized interconnection service applications. This invention extends the standardized slice creation message interaction process by introducing new variables into the `createSliceRequest` message to enhance the slice orchestration system's ability to handle customized interconnection node parameters. Furthermore, to address the inability to handle node selection, node creation, and node connection information arising from customized interconnection services in the slice creation message process, this invention adds two interactive messages, `sendCSParam` and `updateAllocateParam`, between NSMF and NFVO in the slice creation process. This decomposes complex parameters into inherent parameters, variable parameters, conditional parameters, and coded parameters, enabling secondary parameter design and achieving parameter decomposition and message information transmission for customized interconnection service functions.

[0008] The present invention adopts the following technical solution:

[0009] A 5G slicing orchestration method for customized interconnected service applications includes the following steps:

[0010] Step 1: Receive standard network slice template information input by the user through the communication service management function, as well as additional information for customized interconnection services. Transmit the received information to the network slice management function module through a createSliceRequest request. The additional information includes basic slice-related information, service performance requirements, link bandwidth, bearer, mode, and QoS quality parameters.

[0011] Step 2: Select sub-slices through the network slice management function module, generate parameters for customized interconnection services, and send the parameters for customized interconnection services to the parameter management and orchestration system via sendCSParam message;

[0012] Step 3: Send a request message to the virtualization infrastructure manager to obtain resource information through the parameter management and orchestration system. After receiving the request, the virtualization infrastructure manager queries the available hard disk space and corresponding storage mode, available network service type and available address pool of the node, and then returns the query results to the parameter management and orchestration system.

[0013] Step 4: The parameter management and orchestration system uses the createSliceRequest additional information in the resource information returned in step 3 to generate VNF configuration information and EMS configuration information, and returns the VNF configuration information and EMS configuration information to the network slice management function module through the updateAllocateParam message.

[0014] Step 5: Send an NSI deployment request to the network element function virtualization orchestration and management module through the network slice management function module;

[0015] Step 6: Deploy VNFs by creating relevant network element instances using Virtualization Infrastructure Manager;

[0016] Step 7: Distribute network element configurations and use the network element management system to update network element configurations to support customized interconnection service applications.

[0017] Furthermore, in step 2, the specific method for selecting sub-slices is as follows:

[0018] The required CPU computing resources are determined by performance-related data, including slice bandwidth and slice user registration rate, and the computing resource parameters of sub-slice instances are generated.

[0019] The required network resources are calculated using QoS-related data, including network latency and slice jitter, to determine the maximum bandwidth and latency required, and to generate network resource parameters for sub-slice instances.

[0020] The memory and storage resource parameters of sub-slice instances are generated by considering the number of users, the memory resources required for data computation based on the features, and the storage space required.

[0021] Furthermore, in step 4, the VNF configuration information and EMS configuration information are generated in the following ways:

[0022] 1) Utilize parameters to automatically generate VNF configuration information at the VNF level that meets the customized interconnection service requirements, calculate the overall required CPU, memory, hard disk, and network resources, allocate the resource requirements according to the network element requirements, and generate VNF configurations;

[0023] 2) Utilize parameters to automatically generate EMS parameter information at the network element level to meet customized interconnection service requirements. Based on the number of users, service traffic, and service quality parameters, generate parameters such as the maximum number of users supported by the network element, the maximum service traffic limit, and the service priority guarantee parameters, and save them as EMS configuration parameters.

[0024] The beneficial effects of this invention are as follows:

[0025] 1. Two new interactive messages, sendCSParam and updateAllocateParam, have been added between NSMF and NFVO, enabling the slice orchestration system to handle customized interconnected service applications.

[0026] 2. The parameter generation design can reduce the need for manual intervention, making it more suitable for batch deployment and maintenance. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the architecture of a standard 5G slicing and orchestration system.

[0028] Figure 2 This is a flowchart illustrating the creation process of a 5G slicing orchestration method for customized interconnected service applications. Detailed Implementation

[0029] like Figure 1 As shown, the standard 5G slicing orchestration system architecture includes the following components:

[0030] 1) CSMF: Communication Service Management Function, responsible for decomposing user requirement SLAs.

[0031] 2) NSMF / NSSMF: Network slice management function, responsible for slice requirement decomposition and sub-slice parameter decomposition.

[0032] 3) P-MANO: A parameter management and orchestration system responsible for decomposing customized service parameters.

[0033] 4) EMS: Network Element Management System, responsible for the distribution of network element-related configurations and lifecycle management.

[0034] 5) NFV-MANO: Network element function virtualization orchestration and management, responsible for slice instance orchestration.

[0035] 6) VIM: Virtualization Infrastructure Manager, responsible for the integration and management of VNF resources.

[0036] Based on this, the present invention proposes a 5G slicing orchestration method for customized interconnected service applications, such as... Figure 2 As shown, it includes the following steps:

[0037] Step 1: In the CSMF module, the user inputs basic information about the slice and service performance requirements. Based on this, they select customized interconnection services and input link bandwidth, bearer, mode, and QoS parameters. The relevant parameters are then input into NSMF via a createSliceRequest request. The message body structure includes customized service parameters, as shown in Table 1. Here, csd represents interconnection service metadata.

[0038] Table 1. Structure of interconnect-related parameters in createSliceRequest

[0039]

[0040] Step 2: NSMF / NSSMF selects sub-slices and sends the parameters related to the customized service to the P-MANO module via the sendCSParam message. The message structure is shown in Table 2.

[0041] Table 2. SendCSParam Message Structure

[0042]

[0043] The specific structure of the CSD is shown in Table 3:

[0044] Table 3. CSD Interconnection Service Parameter Description

[0045]

[0046] Upon receiving a CSMF slice creation request, the sub-slice selection process is initiated.

[0047] Step 2 specifically includes:

[0048] The computational resource parameters for generating sub-slice instances are determined by performance-related data such as slice bandwidth and slice user registration rate. This process requires differentiation of hardware platform environment (ARM and x86), as computational resources are a key factor in determining slice performance.

[0049] Network resource parameters for generating sub-slice instances: The required network resources are calculated using QoS-related data such as network latency and slice jitter. This process requires selecting low-latency data channels, high-bandwidth data channels, or high-reliability data paths for latency, jitter, and throughput data, based on the required maximum bandwidth and latency to ensure slice QoS.

[0050] Memory and storage resource parameters for generating sub-slice instances: Calculate the required memory and storage space based on data such as the number of users and supported features. Allocate the highest resources according to the maximum number of users. When the number of users is less than the maximum capacity, implement dynamic memory to adapt to the memory usage rate of low-network users. Implement a thick-provisioned hard disk strategy to meet the performance of large I / O data read and write. Allocate memory and disk that can meet the needs of all network elements under the maximum capacity state.

[0051] Step 3: Send a resource information request (getresourceinfo) message to the virtualization infrastructure manager through the parameter management and orchestration system. After receiving the request, the virtualization infrastructure manager queries the available disk space and corresponding storage mode, available network service types and available address pool of the node, and then returns the query results to the parameter management and orchestration system.

[0052] Step 4: Using the resource information returned by P-MANO in Step 3, VNF configuration information and EMS configuration information are generated using the createSliceRequest additional information. The VNF configuration information is used to generate virtualization network element functions, and the EMS configuration is used to distribute parameter configurations to network elements. The updatedAllocateParam message is returned to NSMF / NSSMF. The message structure is shown in Table 4.

[0053] Table 4. Structure of the updateAllocateParam message

[0054]

[0055] Furthermore, in step 4, the VNF configuration information and EMS configuration information are generated in the following ways:

[0056] 1) Utilize parameters to automatically generate VNF configuration information at the VNF level that meets the customized interconnection service requirements, calculate the overall required CPU, memory, hard disk, and network resources, allocate the resource requirements according to the network element requirements, and generate VNF configurations;

[0057] 2) Utilize parameters to automatically generate EMS parameter information at the network element level to meet customized interconnection service requirements. Based on the number of users, service traffic, and service quality parameters, generate parameters such as the maximum number of users supported by the network element, the maximum service traffic limit, and the service priority guarantee parameters, and save them as EMS configuration parameters.

[0058] Step 5: NSMF / NSSMF sends a deployment NSI request to NFVO / VNFM. The parameters are the latest parameters after combining the updateAllocateParam message from Step 4.

[0059] Step 6: NFVO / VNFM sends an allocateVnfRequest to VIM to deploy the VNF, and uses VIM to create relevant network element instances; the parameters of the VNF are shown in Table 5:

[0060] Table 5. VNFParam Parameter Description

[0061]

[0062] Step 7: NFVO / VNFM sends a ConfigVnfRequest to EMS to distribute network element configurations, and uses EMS to update the network element configurations to support customized interconnection service functions; the parameters of EMS are shown in Table 6:

[0063] Table 6. EMSParam Parameter Description

[0064]

[0065] The EMSConfig parameters are shown in Table 7:

[0066] Table 7. EMSconfig Interconnected OLSR Parameter Description

[0067]

[0068] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A 5G slicing orchestration method for customized interconnected service applications, characterized in that, Includes the following steps: Step 1: Receive standard network slice template information input by the user through the communication service management function, as well as additional information for customized interconnection services. Transmit the received information to the network slice management function module through a createSliceRequest request. The additional information includes basic slice-related information, service performance requirements, link bandwidth, bearer, mode, and QoS quality parameters. Step 2: Select sub-slices through the network slice management function module, generate parameters for customized interconnection services, and send the parameters for customized interconnection services to the parameter management and orchestration system via sendCSParam message; Step 3: Send a request message to the virtualization infrastructure manager to obtain resource information through the parameter management and orchestration system. After receiving the request, the virtualization infrastructure manager queries the available hard disk space and corresponding storage mode, available network service type and available address pool of the node, and then returns the query results to the parameter management and orchestration system. Step 4: The parameter management and orchestration system uses the createSliceRequest additional information in the resource information returned in step 3 to generate VNF configuration information and EMS configuration information, and returns the VNF configuration information and EMS configuration information to the network slice management function module through the updateAllocateParam message. Step 5: Send an NSI deployment request to the network element function virtualization orchestration and management module through the network slice management function module; Step 6: Deploy VNFs by creating relevant network element instances using Virtualization Infrastructure Manager; Step 7: Distribute network element configurations and use the network element management system to update network element configurations to support customized interconnection service applications.

2. The 5G slicing orchestration method for customized interconnected service applications according to claim 1, characterized in that, In step 2, the specific method for selecting sub-slices is as follows: The required CPU computing resources are determined by performance-related data, including slice bandwidth and slice user registration rate, and the computing resource parameters of sub-slice instances are generated. The required network resources are calculated using QoS-related data, including network latency and slice jitter, to determine the maximum bandwidth and latency required, and to generate network resource parameters for sub-slice instances. The memory and storage resource parameters of sub-slice instances are generated by considering the number of users, the memory resources required for data computation based on the features, and the storage space required.

3. The 5G slicing orchestration method for customized interconnected service applications according to claim 1, characterized in that, In step 4, the VNF configuration information and EMS configuration information are generated in the following ways: 1) Utilize parameters to automatically generate VNF configuration information at the VNF level that meets the customized interconnection service requirements, calculate the overall required CPU, memory, hard disk, and network resources, allocate the resource requirements according to the network element requirements, and generate VNF configurations; 2) Utilize parameters to automatically generate EMS parameter information at the network element level to meet customized interconnection service requirements. Based on the number of users, service traffic, and service quality parameters, generate parameters such as the maximum number of users supported by the network element, the maximum service traffic limit, and the service priority guarantee parameters, and save them as EMS configuration parameters.

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