CN114978912A - Resource authorization method, NFVO, network system, and storage medium - Google Patents
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- H04L41/08—Configuration management of networks or network elements
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Abstract
The present disclosure provides a resource authorization method, an NFVO, a network system, and a storage medium, wherein the method includes: the NFVO receives a resource authorization request sent by the VNFM, and acquires resource demand information carried by the resource authorization request; the NFVO generates an application topology layout template according to the resource demand information, and sends the application topology layout template to the VIM; and the NFVO acquires a verification result returned by the VIM and applied to the topology arrangement template, generates a resource authorization result based on the verification result and sends the resource authorization result to the VNFM so that the VNFM performs corresponding processing according to the resource authorization result. According to the method, the NFVO, the network system and the storage medium, when the VNFM authorizes the VNF resources, whether the idle resources on the VIM are effective or not is accurately verified, and the success of VNFM deployment of the VNF is guaranteed; the success rate of VNF deployment can be improved, and the problem that VIM actual resources cannot meet the virtual machine requirement is solved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a resource authorization method, an NFVO, a network system, and a storage medium.
Background
NFV (Network Functions Virtualization) refers to implementing various Network device Functions on standardized general IT devices (x86 servers, storage and switching devices) by using Virtualization technology. In the NFV MANO (Management and organization) technology, a VNFM (VNFManager, virtualized network function manager) sends a resource authorization request to an NFVO (network function virtualization orchestrator), where the requested information includes information such as the number of virtual machines and the specification of the virtual machines; the NFVO returns whether the current VIM is feasible or not to the VNFM according to the idle resource condition on the VIM (virtualization Infrastructure Management, virtualization base setting Management system) of the current resource pool; however, the total amount of VIM free resources meets the requirement (the total amount of free resources of multiple physical machines can meet the requirement of the virtual machine), but there may not be enough free resources on one physical machine to deploy the resources needed by one virtual machine, so that the VNF cannot be deployed.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a resource authorization method, an NFVO, a network system, and a storage medium.
According to a first aspect of the present disclosure, there is provided a resource authorization method, including: a network function virtualization orchestrator NFVO receives a resource authorization request sent by a virtual network function manager VNFM, and acquires resource demand information carried by the resource authorization request; the NFVO generates an application topology arrangement template according to the resource demand information, and sends the application topology arrangement template to a virtual basic setting management system (VIM); and the NFVO acquires a verification result of the application topology arrangement template returned by the VIM, generates a resource authorization result based on the verification result and sends the resource authorization result to the VNFM so that the VNFM performs corresponding processing according to the resource authorization result.
Optionally, the resource requirement information includes: virtual machine number and virtual machine specification information; when a resource application is received, the VNFM generates the resource demand information based on the virtual machine number and the virtual machine specification information corresponding to the resource application; and the VNFM sends the resource demand information to the NFVO through the resource authorization request.
Optionally, the generating, by the NFVO, an application topology arrangement template according to the resource demand information includes: the NFVO carries out mapping conversion processing on the virtual machine number and the virtual machine specification information to generate resource information in the application topology arrangement template; wherein the applying the topology orchestration template comprises: HOT template.
Optionally, the sending, by the NFVO, the application topology orchestration template to a virtualization infrastructure setup management system VIM includes: and the NFVO calls an interface provided by the VIM to enable the VIM to deploy the application topology editing template and verify the application topology editing template.
Optionally, if the VIM passes verification of the application topology orchestration template and deploys the application topology orchestration template, the NFVO receives the verification result returned by the VIM as verification success; if the VIM fails to verify the application topology editing template or the application topology editing template cannot be deployed, the NFVO receives the verification result returned by the VIM as verification failure.
Optionally, the NFVO generating a resource authorization result based on the verification result and sending the resource authorization result to the VNFM includes: if the verification result returned by the VIM to the NFVO is successful, the NFVO sends resource authorization to the VNFM successfully; and if the verification result returned by the VIM to the NFVO is verification failure, the NFVO fails to send resource authorization to the VNFM.
Optionally, after the NFVO successfully sends the authorization to the VNFM, the NFVO invokes an interface provided by the VIM, and controls the VIM to perform a rollback operation to release the deployed resource corresponding to the application topology orchestration template.
According to a second aspect of the present disclosure, there is provided a network function virtualization orchestrator NFVO, comprising: the authorization request receiving module is used for receiving a resource authorization request sent by a Virtual Network Function Manager (VNFM) and acquiring resource demand information carried by the resource authorization request; the arrangement template processing module is used for generating an application topology arrangement template according to the resource demand information and sending the application topology arrangement template to a virtual basic setting management system (VIM); and the authorization result processing module is used for acquiring a verification result of the application topology arrangement template returned by the VIM, generating a resource authorization result based on the verification result and sending the resource authorization result to the VNFM so as to enable the VNFM to perform corresponding processing according to the resource authorization result.
Optionally, the resource requirement information includes: virtual machine number and virtual machine specification information; when a resource application is received, the VNFM generates the resource demand information based on the virtual machine number and the virtual machine specification information corresponding to the resource application, and sends the resource demand information through the resource authorization request.
Optionally, the layout template processing module is configured to perform mapping conversion processing on the virtual machine number and the virtual machine specification information to generate resource information in the application topology layout template; wherein the applying the topology orchestration template comprises: HOT template.
Optionally, the orchestration template processing module is further configured to invoke an interface provided by the VIM, so that the VIM deploys the application topology orchestration template and performs verification.
Optionally, if the verification of the application topology deployment template by the VIM passes and the application topology deployment template is deployed, the authorization result processing module receives that the verification result returned by the VIM is successful; if the verification of the VIM on the application topology arrangement template is not passed or the application topology arrangement template cannot be deployed, the authorization result processing module receives the verification result returned by the VIM as verification failure.
Optionally, the authorization result processing module is configured to send a resource authorization success to the VNFM if the verification result returned by the VIM is a verification success; and if the verification result returned by the VIM is verification failure, sending resource authorization failure to the VNFM.
Optionally, the authorization result processing module is further configured to, after the authorization is successfully sent to the VNFM, invoke an interface provided by the VIM, and control the VIM to perform a rollback operation, so as to release the deployed resource corresponding to the application topology orchestration template.
According to a third aspect of the present disclosure, there is provided a network function virtualization orchestrator NFVO, comprising: a memory; and a processor coupled to the memory, the processor configured to perform the method as described above based on instructions stored in the memory.
According to a fourth aspect of the present disclosure, there is provided a network system including: a virtualized network function manager VNFM, a virtualized infrastructure device management system VIM, a network function virtualization orchestrator NFVO as above.
According to a fifth aspect of the present disclosure, there is provided a computer readable storage medium storing computer instructions for execution by a processor to perform the method as described above.
According to the resource authorization method, the NFVO, the network system and the storage medium, when the VNFM authorizes the VNF resources, whether the VNF can be deployed by the idle resources on the VIM can be verified, and whether the VNFM is successfully deployed by accurately verifying whether the idle resources on the VIM are effective is ensured; the success rate of VNF deployment can be improved, and the problem that VIM actual resources cannot meet the virtual machine requirement is solved.
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In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic flow chart diagram illustrating one embodiment of a resource authorization method according to the present disclosure;
fig. 2 is a schematic flow chart of sending resource requirement information in an embodiment of a resource authorization method according to the present disclosure;
fig. 3 is a block schematic diagram of one embodiment of an NFVO according to the present disclosure;
fig. 4 is a block schematic diagram of another embodiment of an NFVO according to the present disclosure.
Detailed Description
The present disclosure now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the disclosure are shown. The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Fig. 1 is a schematic flowchart of an embodiment of a resource authorization method according to the present disclosure, as shown in fig. 1:
in one embodiment, the 5G VNF/NFV is a key technology for reconfiguration of a telecommunication 5G network architecture, and has been gradually applied to existing network deployment, and a virtual machine in cloud is mainly used to implement a function of a network element VNF. The MANO system is a core system for an operator to manage the next-generation NFV network, and can implement network element editing and management capabilities for NFV, mainly including NFVO, VNFM, VIM, and the like.
The NFVO mainly completes the declaration cycle management of the network service, including deployment, configuration, monitoring, self-healing, capacity reduction and expansion, destruction, and the like of the network service. The VNFM mainly completes life cycle management of the VNF network element, including deployment, configuration, monitoring, self-healing, expansion and contraction, destruction, and the like of the VNF.
And 102, the NFVO generates an application topology arrangement template according to the resource demand information, and sends the application topology arrangement template to a virtual basic setting management system (VIM).
In one embodiment, the VIM is used to complete the management of the virtualization infrastructure, including the management of virtualized resources for computing, storage, networking, and the like.
And 103, the NFVO acquires the verification result of the application topology orchestration template returned by the VIM, generates a resource authorization result based on the verification result, and sends the resource authorization result to the VNFM so that the VNFM performs corresponding processing according to the resource authorization result.
The VNFM receives a resource authorization response sent by the NFVO, where the resource authorization response includes a resource authorization result, and the VNFM can process the resource authorization result by using various existing methods.
In one embodiment, the resource requirement information includes the number of virtual machines, virtual machine specification information, and the like. Fig. 2 is a schematic flow chart of sending resource requirement information in an embodiment of a resource authorization method according to the present disclosure, as shown in fig. 2:
in step 202, the VNFM sends the resource requirement information to the NFVO through the resource authorization request.
And if the resource application requirement exists, the VNFM sends a resource authorization request to the NFVO, wherein the resource authorization request comprises information such as the number of virtual machines and the virtual machine specification, and the virtual machine specification comprises information such as CPU core number, a memory, a hard disk and the like.
In one embodiment, the NFVO performs mapping conversion processing on the virtual machine number and the virtual machine specification information to generate resource information in an application topology arrangement template; the topology arrangement template comprises an HOT template and the like.
And the NFVO receives information such as the number of virtual machines, the specification of the virtual machines and the like contained in the resource authorization request, and maps and converts the virtual machines and related resource requirements into resource information such as the virtual machines in the HOT template of the VIM, wherein the HOT template is a standard yaml format template which is described by OpenStack for the resource information. The HOT template can be the existing HOT template, and the NFVO performs mapping conversion processing on the virtual machine number and the virtual machine specification information by using the existing method to generate resource information in the application topology arrangement template.
In one embodiment, NFVO calls the interface provided by VIM to cause VIM to deploy an application topology orchestration template and verify. And the NFVO calls an interface of the VIM, and verifies and deploys the HOT template corresponding to the VNF.
If the VIM passes the verification of the application topology editing template and deploys the application topology editing template, the NFVO receives the verification result returned by the VIM as successful verification; if the VIM fails to verify the application topology editing template or the application topology editing template cannot be deployed, the NFVO receives a verification result returned by the VIM as verification failure.
If the verification result returned by the VIM to the NFVO is successful, the NFVO sends the VNFM the resource authorization is successful; and if the verification result returned by the VIM to the NFVO is verification failure, the NFVO sends resource authorization failure to the VNFM.
And after the NFVO successfully sends the authorization to the VNFM, the NFVO calls an interface provided by the VIM, and controls the VIM to roll back the deployed resources corresponding to the application topology deployment template so as to enable the VIM to release the deployed resources corresponding to the application topology deployment template.
In one embodiment, when the VIM successfully passes the verification and deploys the HOT template, i.e. the virtual machine required for actually deploying the VNF by the actual resource on the VIM is indicated, i.e. the NFVO returns successful authorization to the VNFM; when the VIM cannot verify the HOT template or the HOT template is deployed, the current VIM cannot meet the virtual machine requirement of the current VNF, and the NFVO returns an authorization failure to the VNFM; and after the verification is finished, the NFVO calls the VIM interface to roll back the resources deployed by the HOT template.
The resource authorization method can solve the problem that the total amount of the existing VIM idle resources meets the requirement, but no enough idle resources on one physical machine actually can be used for deploying the resources required by one virtual machine; when the VNF is deployed for authorization, the NFVO can accurately verify whether idle resources on the VIM are effective or not, whether the VNF virtual machine deployment resource requirement is exactly met or not can be met, and VNFM can be guaranteed to successfully complete VNF deployment; the success rate of VNF deployment can be improved, and the problem that VIM actual resources cannot meet the virtual machine requirement is solved.
In one embodiment, the present disclosure provides a network function virtualization orchestrator NFVO 30, comprising: an authorization request receiving module 31, an arrangement template processing module 32 and an authorization result processing module 33. The authorization request receiving module 31 receives a resource authorization request sent by a VNFM of a virtual network function manager, and obtains resource requirement information carried by the resource authorization request; the arrangement template processing module 32 generates an application topology arrangement template according to the resource demand information, and sends the application topology arrangement template to the virtualization infrastructure management system VIM; the authorization result processing module 33 obtains the verification result of the application topology deployment template returned by the VIM, generates a resource authorization result based on the verification result, and sends the resource authorization result to the VNFM, so that the VNFM performs corresponding processing according to the resource authorization result.
In one embodiment, the resource requirement information includes the number of virtual machines, virtual machine specification information, and the like. And when receiving the resource application, the VNFM generates resource demand information based on the virtual machine number and the virtual machine specification information corresponding to the resource application, and sends the resource demand information through the resource authorization request. The arrangement template processing module 32 performs mapping conversion processing on the virtual machine number and the virtual machine specification information to generate resource information in the application topology arrangement template; the topology arrangement template comprises an HOT template and the like. Orchestration template processing module 32 invokes the interface provided by the VIM to cause the VIM to deploy and validate the application topology orchestration template.
In one embodiment, if the VIM passes the verification of the application topology orchestration template and deploys the application topology orchestration template, the authorization result processing module 33 receives the verification result returned by the VIM as a verification success; if the verification of the VIM on the application topology deployment template is not passed or the application topology deployment template cannot be deployed, the authorization result processing module 33 receives the verification result returned by the VIM as verification failure.
If the verification result returned by the VIM is successful, the authorization result processing module 33 sends the resource authorization success to the VNFM; if the verification result returned by the VIM is verification failure, the authorization result processing module 33 sends resource authorization failure to the VNFM.
After successful authorization is sent to the VNFM, the authorization result processing module 33 invokes an interface provided by the VIM, and controls the VIM to rollback the deployed resources corresponding to the application topology orchestration template.
Fig. 4 is a block schematic diagram of another embodiment of an NFVO according to the present disclosure. As shown in fig. 4, the apparatus may include a memory 41, a processor 42, a communication interface 43, and a bus 44. The memory 41 is used for storing instructions, the processor 42 is coupled to the memory 41, and the processor 42 is configured to execute the resource authorization method based on the instructions stored in the memory 41.
The memory 41 may be a high-speed RAM memory, a non-volatile memory (non-volatile memory), or the like, and the memory 41 may be a memory array. The storage 41 may also be partitioned, and the blocks may be combined into virtual volumes according to certain rules. The processor 42 may be a central processing unit CPU, or an application Specific Integrated circuit asic, or one or more Integrated circuits configured to implement the resource authorization methods of the present disclosure.
In one embodiment, the present invention provides a network system comprising: VNFM, VIM, NFVO as in any of the above embodiments.
In one embodiment, the present disclosure provides a computer-readable storage medium storing computer instructions that, when executed by a processor, implement a method as in any one of the above embodiments.
In the resource authorization method, the NFVO, the network system, and the storage medium in the above embodiments, when the VNFM authorizes the VNF resource, it may be verified whether the VNF can be deployed by the idle resource on the VIM, and it is ensured that the VNFM deploys the VNF successfully by accurately verifying whether the idle resource on the VIM is valid; the success rate of VNF deployment can be improved, and the problem that VIM actual resources cannot meet the virtual machine requirement is solved.
There are many ways to implement the methods and systems of the present disclosure. For example, the methods and systems of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (17)
1. A method of resource authorization, comprising:
a network function virtualization orchestrator NFVO receives a resource authorization request sent by a virtual network function manager VNFM, and acquires resource demand information carried by the resource authorization request;
the NFVO generates an application topology arrangement template according to the resource demand information, and sends the application topology arrangement template to a virtual basic setting management system (VIM);
and the NFVO acquires a verification result of the application topology arrangement template returned by the VIM, generates a resource authorization result based on the verification result and sends the resource authorization result to the VNFM so that the VNFM performs corresponding processing according to the resource authorization result.
2. The method of claim 1, wherein the resource demand information comprises: virtual machine number and virtual machine specification information;
when a resource application is received, the VNFM generates the resource demand information based on the virtual machine number and the virtual machine specification information corresponding to the resource application;
and the VNFM sends the resource demand information to the NFVO through the resource authorization request.
3. The method of claim 1, the NFVO generating an application topology orchestration template according to the resource demand information comprising:
the NFVO carries out mapping conversion processing on the virtual machine number and the virtual machine specification information to generate resource information in the application topology arrangement template;
wherein the applying the topology orchestration template comprises: HOT template.
4. The method of claim 1, the NFVO sending the application topology orchestration template to a virtualization infrastructure setup management system, VIM, comprising:
and the NFVO calls an interface provided by the VIM to enable the VIM to deploy the application topology editing template and verify the application topology editing template.
5. The method of claim 1, further comprising:
if the VIM passes the verification of the application topology editing template and deploys the application topology editing template, the NFVO receives the verification result returned by the VIM as successful verification;
if the VIM fails to verify the application topology editing template or the application topology editing template cannot be deployed, the NFVO receives the verification result returned by the VIM as verification failure.
6. The method of claim 5, the NFVO generating and sending a resource authorization result to the VNFM based on the verification result comprising:
if the verification result returned by the VIM to the NFVO is successful, the NFVO sends resource authorization to the VNFM successfully;
and if the verification result returned to the NFVO by the VIM is verification failure, the NFVO sends resource authorization failure to the VNFM.
7. The method of claim 5, further comprising:
after the NFVO sends authorization to the VNFM successfully, the NFVO invokes an interface provided by the VIM, and controls the VIM to perform a rollback operation to release the deployed resources corresponding to the application topology orchestration template.
8. A network function virtualization orchestrator NFVO, comprising:
the authorization request receiving module is used for receiving a resource authorization request sent by a Virtual Network Function Manager (VNFM) and acquiring resource demand information carried by the resource authorization request;
the arrangement template processing module is used for generating an application topology arrangement template according to the resource demand information and sending the application topology arrangement template to a virtual basic setting management system (VIM);
and the authorization result processing module is used for acquiring a verification result of the application topology arrangement template returned by the VIM, generating a resource authorization result based on the verification result and sending the resource authorization result to the VNFM so that the VNFM performs corresponding processing according to the resource authorization result.
9. The NFVO of claim 8, wherein the resource demand information comprises: virtual machine number and virtual machine specification information;
when a resource application is received, the VNFM generates the resource demand information based on the virtual machine number and the virtual machine specification information corresponding to the resource application, and sends the resource demand information through the resource authorization request.
10. The NFVO of claim 8, wherein,
the arrangement template processing module is used for mapping and converting the virtual machine number and the virtual machine specification information to generate resource information in the application topology arrangement template; wherein the applying the topology orchestration template comprises: HOT template.
11. The NFVO of claim 8, wherein,
the arrangement template processing module is further configured to invoke an interface provided by the VIM, so that the VIM deploys the application topology arrangement template and performs verification.
12. The NFVO of claim 8, wherein,
if the VIM passes the verification of the application topology arrangement template and deploys the application topology arrangement template, the authorization result processing module receives the verification result returned by the VIM as successful verification;
if the verification of the VIM on the application topology arrangement template is not passed or the application topology arrangement template cannot be deployed, the authorization result processing module receives the verification result returned by the VIM as verification failure.
13. The NFVO of claim 12, wherein,
the authorization result processing module is configured to send a successful resource authorization to the VNFM if the verification result returned by the VIM is successful; and if the verification result returned by the VIM is verification failure, sending resource authorization failure to the VNFM.
14. The NFVO of claim 13, further comprising:
the authorization result processing module is further configured to, after authorization is successfully sent to the VNFM, invoke an interface provided by the VIM, control the VIM to perform a rollback operation, and release the deployed resource corresponding to the application topology orchestration template.
15. A network function virtualization orchestrator NFVO, comprising:
a memory; and a processor coupled to the memory, the processor configured to perform the method of any of claims 1-7 based on instructions stored in the memory.
16. A network system, comprising:
virtualized network function manager VNFM, virtualized infrastructure device management system VIM, network function virtualization orchestrator NFVO according to any of claims 8 to 15.
17. A computer readable storage medium having computer instructions stored thereon for execution by a processor to perform the method of any of claims 1-7.
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