CN111130825A - Network slice template generation method, device, equipment and storage medium - Google Patents
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention discloses a method, a device, equipment and a storage medium for generating a network slice template. The method comprises the following steps: acquiring configuration data of a network slice template to be instantiated; and generating the network slice template according to a preset network slice template information model and the slice configuration data. The invention defines the specific operation of generating the network slice template, thereby effectively perfecting the prior related protocol and providing an effective solution for promoting the landing of the network slice.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method, an apparatus, a device, and a storage medium for generating a network slice template.
Background
Currently, the industry has started further research on 5G, and Network Slice (NS) is an important component of 5G. By network slice is meant a collection of orchestrated and configured network functions and resources that make up a complete logical network that can provide specific network capabilities and network characteristics. The network characteristics here include ultra low latency, enhanced bandwidth, etc. As shown in fig. 1, a network slice typically spans multiple technology domains, including AN Access Network (AN), a Transport Network (TN), and a Core Network (CN). A Network Slice Subnet (Network Slice Subnet) is a subset of a Network Slice, and AN Access Network (AN), a Transport Network (TN), or a Core Network (CN) in the Network Slice may individually form a Network Slice Subnet.
Some existing protocols describe lifecycle management for network slices including four phases of provisioning, commissioning, operation, and decommissioning. The preparation stage mainly comprises the operations of blueprint design, verification, release and the like of the network slice, and a network slice template is generated. The commissioning phase mainly refers to the creation of a network slice instance. The operation stage mainly includes the operations of activation, deactivation, updating, resource and service Key Performance Indicator (KPI) Indicator monitoring, alarm acquisition, policy control and the like of the network slice instance. The retirement phase mainly refers to the termination of the network slice instance.
However, some existing protocols do not provide specific operations for generating the network slice template, and since 5G also belongs to the research stage, an effective solution for how to generate the network slice template is not provided in the art.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the present invention provides a method, an apparatus, a device, and a storage medium for generating a network slice template, which are used to at least generate the network slice template.
In order to solve the above technical problem, a method for generating a network slice template NST in the embodiment of the present invention includes:
acquiring configuration data of a network slice template to be instantiated;
and generating the network slice template according to a preset network slice template information model and the slice configuration data.
To solve the above technical problem, an apparatus for generating a network slice template NST in an embodiment of the present invention includes:
the data acquisition module is used for acquiring configuration data of the network slice template to be instantiated;
and the template generation module is used for generating the network slice template according to a preset network slice template information model and the slice configuration data.
In order to solve the above technical problem, a slice management entity device in an embodiment of the present invention includes a memory and a processor, where the memory stores a network slice template NST generation program, and the processor executes the program to implement the steps of the method according to any one of the above.
To solve the above technical problem, a computer-readable storage medium in an embodiment of the present invention stores a network slice template NST generation program, which is executable by at least one processor to implement the steps of the method as described in any one of the above.
The embodiment of the invention has the following beneficial effects:
according to the network slice template information model and the configuration data, the network slice template can be generated, so that the specific operation of generating the network slice template is determined, the existing related protocols are effectively improved, and an effective solution is provided for promoting landing of the network slice; and the network slice template can be generated under the condition of depending on the network slice template information model, so that the occupied resources are effectively reduced in the process of generating the network slice template.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a network slice as described in the background;
fig. 2 is a flowchart of a method for generating a network slice template NST according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network slice template NST generation apparatus in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The use of prefixes such as "first," "second," etc. to distinguish between elements is merely intended to facilitate the description of the invention and has no particular meaning in and of themselves.
Example one
The embodiment of the invention provides a method for generating a network slice template NST, which comprises the following steps of:
s101, acquiring configuration data of a network slice template to be instantiated;
and S102, generating the network slice template according to a preset network slice template information model and the configuration data.
For example, the general network slice template information model may be composed of multiple types of parameters according to a preset information structure; and configuring corresponding configuration data for each parameter to generate the network slice template. Where a network slice may also be described as a slice.
The method in the embodiment of the invention can be executed in a slice management entity.
The Slice Management entity is composed of three parts, CSMF (Communication Service Management Function), NSMF (Network Slice Management Function), and NSSMF (Network Slice sub-Network Management Function). The three main functions are as follows:
the user may subscribe to the communication service at the CSMF portal interface, which is responsible for converting the service subscription request into a slice creation request, notifying the NSMF.
The NSMF is responsible for the management and orchestration of network slices. The NSMF derives a network slice subnet creation request from the network slice creation request parameter resolution, informing the NSSMF.
NSSMF is responsible for the management and orchestration of network slice subnets. The NSSMF obtains a Network Service resource model and a Service configuration corresponding to a Network slice subnet (i.e., a subnet slice) according to a Network slice subnet creation request, and respectively issues the resource model and the Service configuration to NFVO (Network Functions virtualization editor) and EM (Element Management System), thereby completing resource deployment and Service provisioning. Wherein a subnet slice can also be described as a subnet slice.
A network slice template is a description of the components that a network slice includes as well as configuration information (configuration data). In the network slice preparation phase, a network slice instance does not exist. In the network slice preparation phase, the creation and verification of a network slice template are included. And the user initiates network slice instantiation according to the network slice template and the instantiation dynamic information.
Wherein the slice configuration data may include the following configuration data: identifying a slicing template; a slice template version number; slice template designer identification, typically referring to the vendor that provided the template; a slice template type; slice template fixed IDs, typically used to identify different versions of the same slice template; slice priority; network slicing can provide service capability to users; subnet slice template identification; network connection information between subnet slices; monitoring information data, such as a list of objects to be monitored by a network slice (e.g., slice subnet/subnet slice) and corresponding monitoring index information (e.g., CPU occupancy); the alarm information data may include a list of alarm indicators that the network slice is interested in; policy component data, such as network slice, may be self-optimized when monitoring index information reaches a threshold; the method comprises the following steps of testing verification packet data, and testing cases to be executed before a network slice template is released so as to prove that the template can be used for deployment and can reach expected performance; the service configuration script data is used for issuing various service configuration parameters after the instantiation of the slices is completed, so that service opening is realized; workflow data, a sequence of instructions for a network slice to perform a lifecycle operation (e.g., instantiation), and a data set.
According to the embodiment of the invention, the network slice template can be generated according to the network slice template information model and the slice configuration data, so that the specific operation of generating the network slice template is determined, the existing related protocol is effectively improved, and an effective solution is provided for promoting landing of the network slice; and the network slice template can be generated under the condition of depending on the network slice template information model, so that the occupied resources are effectively reduced in the process of generating the network slice template.
In some implementations of the embodiment of the present invention, after configuring, according to a preset effect of each parameter, corresponding configuration data for each parameter to generate the network slice template, the configuring may include:
and creating a network slice example according to the network slice template.
That is to say, the network slice template is a precondition for the life cycle management of the network slice, and the information model of the network slice instance is based on the network slice template.
In some implementations of the embodiment of the present invention, the generating the network slice template according to a preset network slice template information model and the slice configuration data may include:
and configuring corresponding slice configuration data for each parameter according to the preset function of each parameter in the network slice template information model to generate the network slice template.
Wherein, the network slice template information model at least comprises a network slice template resource model (namely a resource model) and a network slice template management model (namely a management model); of course, an external capability model may also be included;
the network slice template resource model comprises at least one of NST metadata parameters, service capability parameters which can be provided by the network slices for users, sub-network slice information parameters and network connection information parameters among the sub-network slices:
the network slicing template management model comprises at least one of monitoring information model parameters (namely a monitoring model), alarm information model parameters (an alarm model), test verification information model parameters (a test case set), strategy model component parameters (a strategy model) and workflow parameters. Of course the management model may also include service configuration scripts.
In some implementations of embodiments of the present invention, the NST metadata parameters are used to describe static parameters of the network slice; the service capability parameter which can be provided by the network slice to the user is used for indicating the service capability which can be provided by the network slice to the user; the subnet slice information parameter is used for indicating a subnet slice information list contained in a network slice; the network connection information parameter between the sub-network slices is used for indicating a network connection information list between the sub-network slices; the monitoring information model parameters are used for indicating an object list to be monitored of the network slice and corresponding monitoring index information; the alarm information model parameter is used for indicating an alarm index list concerned by the network slice; the test verification information model parameters are used for indicating test cases which need to be executed before the network slice template is released; the strategy model component parameters are used for indicating self-optimization operation which can be adopted when the monitoring index information of the network slice reaches a threshold value; the workflow parameters are used for indicating the instruction sequence and the data set of the network slice in the life cycle operation.
The NST metadata parameter may include at least one of a slice template identifier, a slice template type, a slice template designer identifier, a slice template version number, a slice template fixed identifier, and a slice priority.
In some implementations of embodiments of the present invention the slice template identifier is used to indicate an identifier of a slice template; the slice template type is used for indicating the type of the slice template; the slice template designer identification indicating a vendor that provided the slice template; the slice template version number is used for indicating the number of the slice template version; the slice template fixed identifier is used for identifying the same slice template with different versions; the slice priority is used to indicate a priority of a network slice.
Based on the foregoing embodiments, that is, in the embodiment of the present invention, the network slice template information model is composed of a resource model, a management model, and an external capability model, where parameters (parameters may also be described as contents) in the external capability model may be part of the resource model and the management model.
In order to support management of a network slice template and update operation of subsequent network slices, based on this, a resource model in an embodiment of the present invention includes the following contents: slice template identification, slice type, etc., including and not limited to the following information: a slice template designer identifier, a slice template version number, a slice template fixed identifier, and the like. The slice template designer identifier and the slice template version number are convenient for a user to issue and manage the template, and the slice template fixed identifier is used for identifying the same slice template with different versions and supporting that the network slice can be updated to different versions of the same slice template in the updating process.
Certainly, in order to support the creation of the slice of the wireless subnetwork in the slice creation process, the creation of the slice of the core subnetwork and the network connection information between the slice subnetworks may be created in parallel, so as to accelerate the creation speed of the slice, based on which the resource model in the embodiment of the present invention further includes the following contents: a subnet slice template identifier list; further comprising network connection information between subnet slices, wherein the network connection information includes but is not limited to SAP (Service Access Point), IP address, network plane, port, etc.
Because the network slice template is the premise of the network slice life cycle management, the network slice template information model in the embodiment of the invention covers all stages of the network slice life cycle management. Therefore, the management model in the embodiment of the present invention may include the following:
1) the monitoring information model parameters of the network slice include, but are not limited to, a list of objects (e.g., slice subnets) to be monitored by the network slice and corresponding monitoring index information (e.g., CPU occupancy).
2) The alarm information model parameters of the network slice include, but are not limited to, a list of objects (e.g., slice subnets) to which the network slice needs to subscribe and a corresponding list of alarms (e.g., radio congestion).
3) The test verification information model parameters of the network slice include, but are not limited to, test cases that the network slice template needs to execute before release to prove that the template is available for deployment and can achieve the expected performance.
4) The policy model component parameters of the network slice include, but are not limited to, self-optimization operations that the network slice can adopt when the monitoring index information reaches a threshold value.
5) The workflow parameters, content of the network slice include, but are not limited to, the sequence of instructions and the data set that the network slice is performing lifecycle operations (e.g., instantiating).
The parameter names, the parameter number ranges, the parameter action descriptions and the corresponding examples are shown in the following table:
an example of an end-to-end network slicing template (including wireless, core network, transport) generated based on the method in the embodiment of the present invention is as follows:
example two
An embodiment of the present invention provides a network slice template NST generating device, as shown in fig. 3, the device includes:
a data obtaining module 30, configured to obtain configuration data of a network slice template to be instantiated;
and the template generating module 32 is configured to generate the network slice template according to a preset network slice template information model and the slice configuration data.
In some implementations of the embodiment of the present invention, the template generating module is specifically configured to configure, in the network slice template information model, corresponding slice configuration data for each parameter according to a preset function of each parameter, so as to generate the network slice template.
In some implementations of embodiments of the invention, the network slice template information model includes at least a network slice template resource model and a network slice template management model;
the network slice template resource model comprises at least one of NST metadata parameters, service capability parameters which can be provided by the network slices for users, sub-network slice information parameters and network connection information parameters among the sub-network slices:
the network slicing template management model comprises at least one of monitoring information model parameters, alarm information model parameters, test verification information model parameters, strategy model component parameters and workflow parameters.
In some implementations of embodiments of the present invention, the NST metadata parameters are used to describe static parameters of the network slice; the service capability parameter which can be provided by the network slice to the user is used for indicating the service capability which can be provided by the network slice to the user; the subnet slice information parameter is used for indicating a subnet slice information list contained in a network slice; the network connection information parameter between the sub-network slices is used for indicating a network connection information list between the sub-network slices; the monitoring information model parameters are used for indicating an object list to be monitored of the network slice and corresponding monitoring index information; the alarm information model parameter is used for indicating an alarm index list concerned by the network slice; the test verification information model parameters are used for indicating test cases which need to be executed before the network slice template is released; the strategy model component parameters are used for indicating self-optimization operation which can be adopted when the monitoring index information of the network slice reaches a threshold value; the workflow parameters are used for indicating the instruction sequence and the data set of the network slice in the life cycle operation.
In some implementations of embodiments of the present invention, the NST metadata parameter includes at least one of a slice template identification, a slice template type, a slice template designer identification, a slice template version number, a slice template fixed identification, and a slice priority.
In some implementations of embodiments of the present invention the slice template identifier is used to indicate an identifier of a slice template; the slice template type is used for indicating the type of the slice template; the slice template designer identification indicating a vendor that provided the slice template; the slice template version number is used for indicating the number of the slice template version; the slice template fixed identifier is used for identifying the same slice template with different versions; the slice priority is used to indicate a priority of a network slice.
In some implementations of the embodiments of the present invention, the apparatus in the embodiments of the present invention may further include:
and the slice instantiation module is used for creating a network slice example according to the network slice template.
EXAMPLE III
The slice management entity device provided by the embodiment of the present invention is characterized in that the device includes a memory and a processor, the memory stores a network slice template NST generation program, and the processor executes the program to implement the steps of the method according to any one of the embodiments.
Example four
An embodiment of the present invention provides a computer-readable storage medium, where the storage medium stores a network slice template NST generation program, and the program is executable by at least one processor to implement the steps of the method according to any one of embodiments.
When the second embodiment to the fourth embodiment are specifically implemented, reference may be made to the first embodiment, and corresponding technical effects are achieved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A method for generating a network slice template NST, the method comprising:
acquiring configuration data of a network slice template to be instantiated;
and generating the network slice template according to a preset network slice template information model and the configuration data.
2. The method of claim 1, wherein the generating the network slice template according to a preset network slice template information model and the configuration data comprises:
and configuring corresponding configuration data for each parameter according to the preset function of each parameter in the network slice template information model to generate the network slice template.
3. The method of claim 2, wherein the network slice template information model includes at least a network slice template resource model and a network slice template management model;
the network slice template resource model comprises at least one of NST metadata parameters, service capability parameters which can be provided by the network slices for users, sub-network slice information parameters and network connection information parameters among the sub-network slices:
the network slicing template management model comprises at least one of monitoring information model parameters, alarm information model parameters, test verification information model parameters, strategy model component parameters and workflow parameters.
4. The method of claim 3, wherein the NST metadata parameters are used to describe static parameters of a network slice; the service capability parameter which can be provided by the network slice to the user is used for indicating the service capability which can be provided by the network slice to the user; the subnet slice information parameter is used for indicating a subnet slice information list contained in a network slice; the network connection information parameter between the sub-network slices is used for indicating a network connection information list between the sub-network slices; the monitoring information model parameters are used for indicating an object list to be monitored of the network slice and corresponding monitoring index information; the alarm information model parameter is used for indicating an alarm index list concerned by the network slice; the test verification information model parameters are used for indicating test cases which need to be executed before the network slice template is released; the strategy model component parameters are used for indicating self-optimization operation which can be adopted when the monitoring index information of the network slice reaches a threshold value; the workflow parameters are used for indicating the instruction sequence and the data set of the network slice in the life cycle operation.
5. The method of claim 3, wherein the NST metadata parameters comprise at least one of a slice template identification, a slice template type, a slice template designer identification, a slice template version number, a slice template fixed identification, a slice priority.
6. The method of claim 5, wherein the slice template identification is an identification indicating a slice template; the slice template type is used for indicating the type of the slice template; the slice template designer identification indicating a vendor that provided the slice template; the slice template version number is used for indicating the number of the slice template version; the slice template fixed identifier is used for identifying the same slice template with different versions; the slice priority is used to indicate a priority of a network slice.
7. The method according to any one of claims 1 to 6, wherein after configuring the respective parameters with the corresponding configuration data according to the preset functions of the respective parameters to generate the network slice template, the method comprises:
and creating a network slice example according to the network slice template.
8. An apparatus for generating a network slice template NST, the apparatus comprising:
the data acquisition module is used for acquiring configuration data of the network slice to be instantiated;
and the template generation module is used for generating the network slice template according to a preset network slice template information model and the configuration data.
9. A slice management entity device, characterized in that it comprises a memory storing a network slice template NST generation program and a processor executing said program to implement the steps of the method according to any of claims 1 to 7.
10. A computer-readable storage medium storing a network slice template NST generation program executable by at least one processor to perform the steps of the method according to any of claims 1 to 7.
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| PCT/CN2019/092257 WO2020087948A1 (en) | 2018-10-31 | 2019-06-21 | Network slice template generation method, apparatus and device, and storage medium |
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| CN114158061A (en) * | 2020-09-08 | 2022-03-08 | 中国移动通信有限公司研究院 | Network slice management method and device and management function entity |
| CN115242630A (en) * | 2021-04-23 | 2022-10-25 | 中国移动通信集团四川有限公司 | Arranging method and device for 5G network slices and electronic equipment |
| CN115242630B (en) * | 2021-04-23 | 2023-10-27 | 中国移动通信集团四川有限公司 | 5G network slice arrangement method and device and electronic equipment |
| WO2022262161A1 (en) * | 2021-06-18 | 2022-12-22 | 中兴通讯股份有限公司 | Method and apparatus for uninterrupted upgrading of network slicing service, and storage medium |
| CN114726755A (en) * | 2022-02-25 | 2022-07-08 | 中盈优创资讯科技有限公司 | Business slice performance index acquisition monitoring method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020087948A1 (en) | 2020-05-07 |
| CN111130825B (en) | 2022-09-23 |
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