CN111953503B - NFV resource deployment arrangement method and network function virtualization orchestrator - Google Patents
NFV resource deployment arrangement method and network function virtualization orchestrator Download PDFInfo
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Abstract
The invention discloses an NFV resource deployment orchestration method and a network function virtualization orchestrator, and relates to the field of cloud computing. The method comprises the following steps: acquiring a resource deployment requirement of a VNF network element; determining resource deployment configuration information of the VNF network element based on the resource deployment requirement and the resource deployment strategy of the VNF network element; and performing service configuration on the VNF network element based on the resource deployment configuration information. The method and the device can realize the unified arrangement and configuration of the bottom virtual machine resources and the container resources, and improve the flexibility and the automatic deployment efficiency of VNF deployment.
Description
Technical Field
The present disclosure relates to the field of cloud computing, and in particular, to a Network Function Virtualization (NFV) resource deployment and arrangement method and a Network Function Virtualization orchestrator.
Background
With the development of NFV technology, VNFs have become more diverse, and in addition to providing VNFs supporting a virtual machine method, there are also VNFs supporting container deployment. Particularly, after the 5G core network adopts a service architecture, the network function adopts service and component design, and is more suitable for containerized resource deployment. Therefore, for a long period of time in the future, VNFs will have a need for virtual machine and container hybrid orchestration deployment.
Disclosure of Invention
One technical problem to be solved by the present disclosure is to provide an NFV resource deployment and arrangement method and a network function virtualization orchestrator, which can implement unified arrangement and configuration of bottom-layer virtual machine resources and container resources.
According to one aspect of the disclosure, a method for deploying and arranging Network Function Virtualization (NFV) resources is provided, which includes: acquiring a resource deployment requirement of a VNF network element; determining resource deployment configuration information of the VNF network element based on the resource deployment requirement and the resource deployment strategy of the VNF network element; and performing service configuration on the VNF network element based on the resource deployment configuration information.
In one embodiment, the acquiring resource deployment requirements of the VNF network element includes: and acquiring the resource deployment mode supported by each VNF network element in the NSD file by analyzing the NSD file.
In one embodiment, determining the resource deployment configuration information of the VNF network element includes: obtaining an instantiation deployment parameter or a default deployment parameter of a VNF network element; determining a resource deployment mode corresponding to the VNF network element based on the instantiation deployment parameters or the default deployment parameters; determining a corresponding resource pool of the VNF network elements based on the resource deployment policy.
In one embodiment, the performing service configuration on the VNF network element based on the resource deployment configuration information includes: if the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode, calling a virtual resource management platform interface in a resource pool corresponding to the VNF network element to create a virtual machine to complete service configuration; if the resource deployment mode corresponding to the VNF network element is a bare metal container deployment mode, calling a container resource management platform interface in a resource pool corresponding to the VNF network element to create a bare metal container to complete service configuration; if the resource deployment mode corresponding to the VNF network element is a virtual machine container deployment mode, calling a virtual resource management platform interface to create a virtual machine in a resource pool corresponding to the VNF network element, and then calling a container resource management platform interface to create a virtual machine container to complete service configuration.
According to another aspect of the present disclosure, there is also provided a network function virtualization orchestrator, comprising: the analysis module is configured to acquire resource deployment requirements of the VNF network elements; a selection module configured to determine resource deployment configuration information of the VNF network element based on a resource deployment requirement of the VNF network element and a resource deployment policy; and the adaptation module is configured to perform service configuration on the VNF network element based on the resource deployment configuration information.
In an embodiment, the parsing module is configured to parse the NSD file to obtain a resource deployment manner supported by each VNF network element in the NSD file.
In one embodiment, the parameter deployment acquisition module is configured to acquire VNF network element instantiation deployment parameters or default deployment parameters; the selection module is configured to determine a resource deployment manner corresponding to the VNF network element based on the instantiated deployment parameter or the default deployment parameter, and determine a corresponding resource pool of the VNF network element based on the resource deployment policy.
In one embodiment, the adaptation module is configured to call a virtual resource management platform interface in a resource pool corresponding to the VNF network element to create a virtual machine to complete service configuration if the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode; if the resource deployment mode corresponding to the VNF network element is a bare metal container deployment mode, calling a container resource management platform interface in a resource pool corresponding to the VNF network element to create a bare metal container to complete service configuration; if the resource deployment mode corresponding to the VNF network element is a virtual machine container deployment mode, a virtual resource management platform interface is called first in a resource pool corresponding to the VNF network element to create a virtual machine, and then a container resource management platform interface is called to create a virtual machine container to complete service configuration.
According to another aspect of the present disclosure, there is also provided a network function virtualization orchestrator, comprising: a memory; and a processor coupled to the memory, the processor configured to perform the NFV resource deployment orchestration method as described above based on instructions stored in the memory.
According to another aspect of the present disclosure, a computer-readable storage medium is also proposed, on which computer program instructions are stored, which instructions, when executed by a processor, implement the steps of the NFV resource deployment orchestration method described above.
Compared with the prior art, the resource deployment configuration information of the VNF network element is determined based on the resource deployment requirement and the resource deployment strategy of the VNF network element; and performing service configuration on the VNF network element based on the resource deployment configuration information, realizing uniform arrangement and configuration of the bottom virtual machine resources and the container resources, and improving the flexibility and the automatic deployment efficiency of VNF deployment.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flowchart illustrating an NFV resource deployment orchestration method according to an embodiment of the disclosure.
Fig. 2 is a flowchart illustrating another embodiment of the NFV resource deployment orchestration method according to the present disclosure.
Fig. 3 is a schematic structural diagram of an embodiment of a network function virtualization orchestrator according to the present disclosure.
Fig. 4 is a schematic structural diagram of another embodiment of the network function virtualization orchestrator according to the present disclosure.
Fig. 5 is a schematic structural diagram of another embodiment of the network function virtualization orchestrator according to the present disclosure.
Fig. 6 is a schematic structural diagram of another embodiment of the network function virtualization orchestrator according to the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a flowchart illustrating an NFV resource deployment orchestration method according to an embodiment of the present disclosure. The method is executed by a Network Function Virtualization Orchestrator (NFVO), which is used as a core component for arranging and scheduling NS (Network Service)/VNF (virtualized Network Function) resources and virtual resources, and needs to have the capability of hybrid arranging of virtual machines and container resources.
In step 110, the resource deployment requirement of the VNF network element is obtained. For example, by parsing an NSD (Network Service Descriptor) file, a resource deployment manner supported by each VNF Network element in the NSD file is obtained. For example, the VNF network element may support one or more deployment modes of a virtual machine, a virtual machine container, and a bare machine container.
In step 120, resource deployment configuration information of the VNF network element is determined based on the resource deployment requirement and the resource deployment policy of the VNF network element, that is, a resource interface and a corresponding resource pool that the VNF network element needs to call are determined. The resource deployment strategy comprises, for example, average deployment of virtual machine resource usage, centralized deployment of bare machine container resources, determination of resource pools according to usage of the resource pools, or allocation of resources of the same type as the resource types in one resource pool as much as possible, so as to select a resource pool corresponding to the VNF network element according to the resource deployment strategy.
In an embodiment, instantiation deployment parameters or default deployment parameters of the VNF network element may be obtained, and then a resource deployment mode corresponding to the VNF network element is determined based on the instantiation deployment parameters or the default deployment parameters. And determining a resource interface and a corresponding resource pool which are required to be called by the VNF network element through the deployment parameters and the resource deployment strategy.
In step 130, service configuration is performed on the VNF network element based on the resource deployment configuration information. And completing service configuration according to the resource interface to be called by the VNF network element and the corresponding resource pool.
In the above embodiment, the resource deployment configuration information of the VNF network element is determined based on the resource deployment requirement and the resource deployment policy of the VNF network element; and performing service configuration on the VNF network element based on the resource deployment configuration information, realizing uniform arrangement and configuration of the virtual machine resources and the container resources at the bottom layer, and improving the flexibility and the automatic deployment efficiency of VNF deployment.
Fig. 2 is a flowchart illustrating another embodiment of the NFV resource deployment orchestration method according to the present disclosure.
In step 210, the resource deployment mode supported by each VNF network element in the NSD file is obtained by analyzing the NSD file.
In step 220, VNF network element instantiation deployment parameters or default deployment parameters are obtained. The deployment parameters include a resource deployment mode, an instantiation name, a deployment specification, an out-of-pair IP address, a CP (Connection Point), and the like of the VNF.
In step 230, a resource pool and a resource deployment manner corresponding to the VNF network element are determined based on the instantiated deployment parameter or the default deployment parameter and the resource deployment policy. If the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode, step 241 is executed, if the resource deployment mode corresponding to the VNF network element is a bare machine container deployment mode, step 242 is executed, and if the resource deployment mode corresponding to the VNF network element is a virtual machine container deployment mode, step 243 is executed.
For example, if the user selects a certain deployment mode, the NFVO selects a corresponding resource pool to deploy based on a certain resource pool selection policy according to the determined deployment mode, and if the user does not select a deployment mode, the NFVO selects one deployment mode according to a resource pool rule, for example, the resource pool rule defines that if container deployment is preferred in support of multiple deployment modes, a container deployment mode is selected for the VNF.
In step 241, an OpenStack (virtual resource management platform interface) interface is called in the corresponding resource pool, and a virtual machine is created to complete service configuration.
In step 242, a kubernets (container resource management platform) interface is called in the corresponding resource pool, and a bare metal container is created to complete service configuration.
In step 243, the OpenStack interface is first invoked in the corresponding resource pool to create a virtual machine, and then the kubernets interface is invoked to create a virtual machine container to complete service configuration.
In this embodiment, the VNF deployment policy is configured according to the deployment parameters, the resource deployment policy, and other multidimensional parameters, so as to implement a deployment manner in which virtual machine and container resources are mixed and arranged, which can satisfy various deployment manners such as virtual machine deployment, virtual machine container deployment, bare machine container deployment, and the like, and satisfy VNF differentiated deployment requirements, and meanwhile, can also improve the unified management capability of the NFV virtual resource pool, and improve the virtual resource utilization efficiency.
Fig. 3 is a schematic structural diagram of an embodiment of a network function virtualization orchestrator according to the present disclosure. NFVO includes parsing module 310, selection module 320, and adaptation module 330.
The parsing module 310 is configured to obtain resource deployment requirements of VNF network elements. For example, by parsing an NSD (Network Service Descriptor) file, a resource deployment manner supported by each VNF Network element in the NSD file is obtained. For example, the VNF network element may support one or more deployment modes of a virtual machine, a virtual machine container, and a bare machine container.
The selection module 320 is configured to determine resource deployment configuration information of the VNF network element based on the resource deployment requirement of the VNF network element and the resource deployment policy. Namely, the resource interface and the corresponding resource pool to be called by the VNF network element are determined.
In one embodiment, as shown in fig. 4, the NFVO further includes a parameter deployment obtaining module 410 configured to obtain VNF network element instantiation deployment parameters or default deployment parameters. The selection module 320 determines a resource deployment manner corresponding to the VNF network element based on the instantiated deployment parameter or the default deployment parameter, and determines a resource pool corresponding to the VNF network element based on the resource deployment policy.
The adaptation module 330 is configured to perform traffic configuration on the VNF network element based on the resource deployment configuration information. And completing service configuration according to the resource interface to be called by the VNF network element and the corresponding resource pool. For example, if the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode, an OpenStack interface is invoked in a resource pool corresponding to the VNF network element to create a virtual machine to complete service configuration; if the resource deployment mode corresponding to the VNF network element is a bare machine container deployment mode, calling a Kubernetes interface in a resource pool corresponding to the VNF network element to create a bare machine container to complete service configuration; if the resource deployment mode corresponding to the VNF network element is the virtual machine container deployment mode, firstly calling an OpenStack interface to create a virtual machine and then calling a Kubernets interface to create a virtual machine container to complete service configuration in a resource pool corresponding to the VNF network element.
In the above embodiment, the NFVO can support the mixed orchestration capability of the VNF virtual machine and the container resource, and implement the unified orchestration configuration of the underlying virtual machine resource and the container resource by deploying the policy control function, thereby improving the VNF deployment flexibility and the automated deployment capability.
Fig. 5 is a schematic structural diagram of another embodiment of the network function virtualization orchestrator according to the present disclosure. NFVO includes memory 510 and processor 520. Wherein: the memory 510 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory 510 is used to store instructions in the embodiments corresponding to fig. 1-2. Processor 520 is coupled to memory 510 and may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 520 is configured to execute instructions stored in the memory.
In one embodiment, as also shown in fig. 6, the NFVO 600 includes a memory 610 and a processor 620. Processor 620 is coupled to memory 610 through a BUS 630. The NFVO 600 may also be connected to an external storage device 650 through a storage interface 640 to call external data, and may also be connected to a network or another computer system (not shown) through a network interface 660, which will not be described in detail herein.
In this embodiment, the VNF differentiated deployment requirement can be satisfied by storing a data instruction in the memory and processing the instruction by the processor.
In another embodiment, a computer-readable storage medium has stored thereon computer program instructions which, when executed by a processor, implement the steps of the method in the corresponding embodiment of fig. 1-2. As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A Network Function Virtualization (NFV) resource deployment orchestration method comprises the following steps:
acquiring resource deployment requirements of a virtualized network function VNF network element, wherein the resource deployment requirements comprise that the VNF network element supports multiple deployment modes of a virtual machine, a virtual machine container and a bare machine container;
determining resource deployment configuration information of the VNF network element based on the resource deployment requirement and the resource deployment strategy of the VNF network element, wherein the resource deployment configuration information of the VNF network element comprises resource interfaces required to be called by the VNF network element and corresponding resource pools, and the resource deployment strategy comprises one or more strategies of virtual machine resource use condition average deployment, bare machine container resource centralized deployment, resource pool determination according to the use condition of each resource pool and allocation of resources of the same type in one resource pool;
and performing service configuration on the VNF network element based on the resource deployment configuration information.
2. The NFV resource deployment orchestration method according to claim 1, wherein obtaining resource deployment requirements of a VNF network element comprises:
and acquiring a resource deployment mode supported by each VNF network element in the NSD file by analyzing the NSD file.
3. The NFV resource deployment orchestration method according to claim 2, wherein determining resource deployment configuration information of a VNF network element comprises:
acquiring instantiation deployment parameters or default deployment parameters of the VNF network elements;
determining a resource deployment mode corresponding to the VNF network element based on the instantiation deployment parameters or the default deployment parameters;
determining a corresponding resource pool of the VNF network elements based on the resource deployment policy.
4. The NFV resource deployment orchestration method of claim 3, wherein performing the service configuration on the VNF network element based on the resource deployment configuration information comprises:
if the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode, calling a virtual resource management platform interface in a resource pool corresponding to the VNF network element to create a virtual machine to complete service configuration;
if the resource deployment mode corresponding to the VNF network element is a bare metal container deployment mode, calling a container resource management platform interface in a resource pool corresponding to the VNF network element to create a bare metal container to complete service configuration;
if the resource deployment mode corresponding to the VNF network element is a virtual machine container deployment mode, a virtual resource management platform interface is called to create a virtual machine in a resource pool corresponding to the VNF network element, and then a container resource management platform interface is called to create a virtual machine container to complete service configuration.
5. A network function virtualization orchestrator comprising:
the virtual machine management system comprises an analysis module, a configuration module and a configuration module, wherein the analysis module is configured to obtain resource deployment requirements of a VNF network element, and the resource deployment requirements comprise multiple deployment modes of a VNF network element supporting a virtual machine, a virtual machine container and a bare machine container;
the selection module is configured to determine resource deployment configuration information of the VNF network element based on a resource deployment requirement and a resource deployment policy of the VNF network element, wherein the resource deployment configuration information of the VNF network element comprises resource interfaces required to be called by the VNF network element and corresponding resource pools, and the resource deployment policy comprises one or more policies of virtual machine resource usage average deployment, bare machine container resource centralized deployment, resource pool determination according to usage of each resource pool, and allocation of resources of the same type in one resource pool;
an adaptation module configured to perform service configuration on the VNF network element based on the resource deployment configuration information.
6. The network function virtualization orchestrator of claim 5, wherein,
the analysis module is configured to analyze a Network Service Descriptor (NSD) file to obtain a resource deployment mode supported by each VNF network element in the NSD file.
7. The network function virtualization orchestrator of claim 6, further comprising a parameter deployment acquisition module;
the parameter deployment acquisition module is configured to acquire the VNF network element instantiation deployment parameter or the default deployment parameter;
the selection module is configured to determine a resource deployment manner corresponding to the VNF network element based on the instantiated deployment parameter or a default deployment parameter, and determine a corresponding resource pool of the VNF network element based on the resource deployment policy.
8. The network function virtualization orchestrator of claim 7, wherein,
the adaptation module is configured to call a virtual resource management platform interface in a resource pool corresponding to the VNF network element to create a virtual machine to complete service configuration if the resource deployment mode corresponding to the VNF network element is a virtual machine deployment mode; if the resource deployment mode corresponding to the VNF network element is a bare engine container deployment mode, calling a container resource management platform interface in a resource pool corresponding to the VNF network element to create a bare engine container to complete service configuration; if the resource deployment mode corresponding to the VNF network element is a virtual machine container deployment mode, a virtual resource management platform interface is called to create a virtual machine in a resource pool corresponding to the VNF network element, and then a container resource management platform interface is called to create a virtual machine container to complete service configuration.
9. A network function virtualization orchestrator comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the NFV resource deployment orchestration method according to any one of claims 1 to 4 based on instructions stored in the memory.
10. A computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the NFV resource deployment orchestration method according to any one of claims 1 to 4.
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