CN114143184A - Virtual network function deployment method, device, equipment and storage medium - Google Patents
Virtual network function deployment method, device, equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a virtual network function deployment method, a virtual network function deployment device, virtual network function deployment equipment and a virtual network function deployment storage medium. Wherein the method comprises the following steps: determining at least two resource pools corresponding to a Virtual Deployment Unit (VDU) in Virtual Network Function Description (VNFD) information of an instantiated VNF based on the VNFD information; sending a request to instantiate a VNF to a Virtual Network Function Manager (VNFM) based on the at least two resource pools. The multiple VNFCs of the VDU may be deployed to the at least two resource pools, thereby implementing cross-resource-pool deployment of the VNFs, enabling resources of each resource pool to be reasonably utilized, and facilitating reduction of duplicate deployment of the VNFs.
Description
Technical Field
The present invention relates to Network Function Virtualization (NFV) technologies, and in particular, to a method, an apparatus, a device, and a storage medium for deploying a Virtual Network Function (VNF).
Background
Network Function Virtualization (NFV) refers to a software process that carries many functions by using general purpose hardware and virtualization technologies. The NFV can decouple software and hardware and abstract functions, so that the functions of network equipment do not depend on special hardware any more, resources can be shared fully and flexibly, rapid development and deployment of new services are realized, and automatic deployment, elastic expansion, fault isolation, self-healing and the like are carried out based on actual service requirements.
In the related art, the NFV management and orchestration system mainly includes: network Function Virtualization Orchestrators (NFVOs), Virtual Network Function Managers (VNFMs), and Virtual Infrastructure Managers (VIMs). The NFVO is responsible for arranging and managing global resources, managing the life cycle of network services and the like; the VNFM is responsible for lifecycle management of the VNF, such as parsing and processing of VNFD (Virtual Network Function Descriptor), initialization of VNF instance, and scaling of VNF; the VIM is responsible for scheduling and managing hardware resources and virtualized resources, and provides a virtualized resource pool to the upper layer.
During VNF instantiation, the operator triggers an instantiation process through the NFVO, and selects one of the resource pools for this instantiation, and the NFVO provides the instantiation information and the specified resource pool information to the VNFM so that the VNFM completes the VNF instantiation operation. The orchestration, creation, and deployment of resources are distributed in the same resource pool, resulting in failure to complete the deployment of VNFs across resource pools. If a scene with a plurality of resource pools exists, only the VNFs can be respectively deployed to different resource pools, so that the VNFs are repeatedly deployed, and the resources of the resource pools cannot be reasonably allocated for use.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, a device, and a storage medium for deploying a virtual network function, and aim to implement cross-resource pool deployment of the virtual network function.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a VNF deployment method, which is applied to NFVO and comprises the following steps:
determining at least two resource pools corresponding to Virtual Deployment Units (VDUs) in VNFD information based on the VNFD information of an instantiated VNF;
sending a request to instantiate the VNF to the VNFM based on the at least two resource pools.
The embodiment of the invention also provides a VNF deployment method, which is applied to VNFM and comprises the following steps:
receiving a request for instantiating a VNF sent by NFVO;
deploying a plurality of Virtual Network Function Components (VNFCs) in the VDU into at least two resource pools based on the request.
An embodiment of the present invention further provides a VNF deployment device, which is applied to NFVO, and the VNF deployment device includes:
a determining module, configured to determine, based on VNFD information of an instantiated VNF, at least two resource pools corresponding to VDUs in the VNFD information;
a request module to send a request to instantiate the VNF to the VNFM based on the at least two resource pools.
The embodiment of the invention also provides a VNF deployment device, which is applied to VNFM and comprises:
a receiving module, configured to receive a request for instantiating a VNF sent by the NFVO;
a deployment module to deploy the plurality of VNFCs in the VDU into at least two resource pools based on the request.
An embodiment of the present invention further provides an NFVO, including: a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to execute the steps of the method according to the NFVO side of the embodiment of the present invention when running the computer program.
An embodiment of the present invention further provides a VNFM, including: a processor and a memory for storing a computer program capable of running on the processor, wherein the processor, when running the computer program, is configured to perform the steps of the method of the embodiment of the present invention on the VNFM side.
An embodiment of the present invention further provides a VNF deployment system, including: the NFVO according to the embodiment of the present invention and the VNFM according to the embodiment of the present invention.
The embodiment of the present invention further provides a storage medium, where a computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the method according to any embodiment of the present invention are implemented.
According to the technical scheme provided by the embodiment of the invention, the NFVO can determine at least two resource pools corresponding to the VDU based on the VNFD information of the instantiated VNF, send the request for instantiating the VNF to the VNFM based on the at least two resource pools, and deploy a plurality of VNFCs of the VDU to the at least two resource pools, so that the cross-resource-pool deployment of the VNF is realized, the resources of each resource pool can be reasonably utilized, and the reduction of the repeated deployment of the VNF is facilitated.
Drawings
Fig. 1 is a schematic flow chart of a VNF deployment method on the NFVO side according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a VNF deployment method on the VNFM side according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a VNF deployment method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a VNF deployment device on the NFVO side according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a VNF deployment apparatus on the VNFM side according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an NFVO according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a VNFM according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
An embodiment of the present invention provides a VNF deployment method, which is applied to NFVO, and as shown in fig. 1, the method includes:
In the embodiment of the present invention, the NFVO may determine at least two resource pools based on the VDU in the VNFD information, and may deploy, in the instantiation process of the VNF, a plurality of VNFCs under the VDU to the at least two resource pools, thereby implementing cross-resource-pool deployment of the VNF, enabling resources of each resource pool to be reasonably utilized, and facilitating reduction of duplicate deployment of the VNF.
In practical application, there may be a plurality of VDUs in the VNFD information, and there are VDUs corresponding to at least two resource pools in the plurality of VDUs, that is, some or all of the VDUs in the plurality of VDUs correspond to the plurality of resource pools, so that the VDUs with the plurality of resource pools can be deployed across the resource pools by the VNFC.
In some embodiments, before the determining at least two resource pools corresponding to VDUs in the VNFD information, the method further includes:
registering the VNFD information for instantiating the VNF, wherein a VDU in the VNFD information carries the resource pool identifications of the at least two resource pools or trigger information for indicating that the resource pool identifications of the at least two resource pools are externally input.
It can be understood that, in the embodiment of the present invention, in the process of designing and registering VNFD information by a user, resource pool identifiers of multiple resource pools or trigger information for indicating resource pool identifiers of multiple resource pools input externally is introduced into a VDU. Here, the resource pool identification (vimid) may be information such as a name, a category, an identity of the resource pool, and the like. In practical applications, VNFD information may be registered in the form of a VNF packet registered on the NFVO, that is, VNFD information is carried in the VNF packet.
Illustratively, when the DEMO _ VDU1 is instantiated, 5 VNFCs need to be deployed, and two resource pools are specified in vimid and can be used for selection during instantiation, and specific examples are as follows:
illustratively, when the DEMO _ VDU2 is instantiated, 3 VNFCs need to be deployed, and the resource pool identifier is specified to be obtained from the input parameter in vimid, which is specifically exemplified as follows:
DEMO_VDU2:
…
properties:
vimid:{get_input:vimid}
initial_number_of_instances:3
…
in this way, after acquiring VNFD information of the instantiated VNF, the NFVO may acquire, based on the description information of each VDU, a plurality of resource pools that each VDU corresponds to for instantiation.
In some embodiments, the NFVO determining, based on VNFD information of instantiated VNFs, at least two resource pools corresponding to VDUs in the VNFD information, including:
analyzing the VDU in the VNFD information, and determining the at least two resource pools based on resource pool identifications carried by the VDU; alternatively, the first and second electrodes may be,
analyzing the VDU in the VNFD information, receiving an externally input resource pool identifier based on trigger information carried by the VDU, and determining the at least two resource pools.
For example, for the aforementioned DEMO _ VDU1, NFVO may determine that the resource pools it may instantiate are vim01 and vim 02; with respect to DEMO _ VDU2 as described above, NFVO may determine the resource pool it may instantiate based on the vimid entered by the user at the input interface.
In some embodiments, sending a request to instantiate the VNF to the VNFM based on the at least two resource pools comprises:
sending a request for instantiating the VNF to the VNFM, wherein the request carries the resource pool identifications of the at least two resource pools; alternatively, the first and second electrodes may be,
based on the occupation state of each resource pool in the at least two resource pools, allocating the corresponding relation between the plurality of VNFCs to be deployed in the VDU and the at least two resource pools, and sending a request for instantiating a VNF to the VNFM, wherein the request carries the corresponding relation.
It can be understood that, instead of allocating the number of VNFCs that need to be deployed for each of the multiple resource pools of the VDU, the NFVO may send, to the VNFM, the resource pool identifier of the multiple resource pools corresponding to the instantiation of the VDU, where the VNFC deployment number corresponding to each resource pool is determined by the VNFM; or the NFVO may allocate a correspondence between a plurality of VNFCs to be deployed in the VDU and the at least two resource pools, and carry the correspondence in the request for instantiating the VNF, so that the VNFMs may determine the deployment number of the VNFCs corresponding to each resource pool according to the correspondence.
It is to be understood that the number of VDUs in the VNFD information may be one, or two or more, and the NFVO may parse each VDU in the VNFD information to determine a resource pool for instantiation of each VDU. For each VDU, the NFVO allocates the number of VNFCs to be deployed on each resource pool according to the occupation state of the resource pool, where the occupation state of the resource pool is the utilization rate of resources in the resource pool, such as CPU utilization rate, storage resource utilization rate, and the like. For example, for the foregoing DEMO _ VDU1, the NFVO may determine that the resource pools that it may instantiate are vim01 and vim02, and since the resource consumption duty ratio of vim01 is higher than that of vim02, for 5 VNFCs to be deployed in DEMO _ VDU1, 2 VNFCs are allocated to be deployed on vim01, and 3 VNFCs are allocated to be deployed on vim 02; for the foregoing DEMO _ VDU2, the NFVO may determine that the resource pools that it may instantiate are vim01 and vim03, and since the resource consumption duty ratio of vim01 is higher than that of vim03, for 3 VNFCs to be deployed in DEMO _ VDU2, 1 VNFC is allocated to be deployed on vim01, and 2 VNFCs are allocated to be deployed on vim 03. Thus, 5 VNFCs with the same function DEMO _ VDU1 are respectively deployed in two resource pools of vim01 and vim 02; 3 VNFCs with the same function DEMO _ VDU2 are respectively deployed in two resource pools of vim01 and vim 03. If the vim01 fails, the VNFCs deployed on the vim01 may fail, and at this time, the VNFCs deployed on the vim02 and the vim03 and having the same function may continue to provide services, thereby ensuring the reliability of the services.
An embodiment of the present invention further provides a VNF deployment method, which is applied to a VNFM, and as shown in fig. 2, the method includes:
Here, the VNFM may determine, based on the request, at least two resource pools that the VDU may implement, and deploy, into the at least two resource pools, a plurality of VNFCs to be deployed in the VDU.
In some embodiments, the requesting carries correspondence between the plurality of VNFCs to be deployed in the VDU and the at least two resource pools, and the deploying the plurality of VNFCs in the VDU to the at least two resource pools based on the request includes:
and determining the deployment number of the VNFC corresponding to each resource pool based on the corresponding relation.
The corresponding relationship is allocated by the NFVO based on the occupation state of each resource pool of the at least two resource pools, and the description of the NFVO side may be specifically referred to, and is not repeated herein.
In some embodiments, the requesting carries resource pool identities of the at least two resource pools, and the deploying, based on the request, the plurality of VNFCs in the VDU into the at least two resource pools includes:
based on the at least two resource pools, randomly allocating the deployment number of the VNFCs corresponding to the resource pools, or allocating the deployment number of the VNFCs corresponding to the resource pools according to a pre-policy.
Here, if the request to instantiate the VNF does not specify the deployment number of VNFCs corresponding to each resource pool in the VDU, the VNFM may randomly allocate the deployment number of VNFCs corresponding to each resource pool, or allocate the deployment number by using a predefined rule, where the predefined rule may be from VNFD information or from VNFM, for example, the number of VNFCs to be deployed on each resource pool is allocated according to an occupied state of each resource pool.
Thus, the VNFM can deploy the multiple VNFCs of the VDU to the at least two resource pools, thereby implementing the cross-resource-pool deployment of the VNFs, enabling resources of each resource pool to be reasonably utilized, and facilitating reduction of duplicate deployments of the VNFs.
The present invention will be described in further detail with reference to the following application examples.
In the application embodiment shown in fig. 3, the deployment system of the VNF includes: NFVO, VNFM, and a plurality of VIMs (VIM 1, VIM2, VIMn as shown). As shown in fig. 3, the deployment method of the VNF includes:
step 301, instantiating a VNF;
here, the NFVO receives operator-input instantiated VNF information, which may be, for example, a VNF package that selects a VNF to be instantiated. It is understood that the vnf package needs to be registered in the NFVO in advance, and the NFVO creates VNFR (virtualized network function record) information after registering the vnf package.
Step 302, inquiring VNFR information;
the NFVO queries VNFR information based on instantiated VNF information.
Step 303, querying VNFD information;
and the NFVO determines to inquire the VNFR information and sends a request for inquiring the VNFD information to the VNFM.
Step 304, returning VNFD information;
VNFM returns VNFD information to NFVO.
Step 305, determining vimid information in the VNFD information;
after the NFVO acquires the VNFD information, information of the resource pool of the embodiment of the VDU in the VNFD information may be determined in two ways, which are specifically as follows:
analyzing the VDU to obtain vimid of the resource pool in a first mode;
in the second mode, the VDU is analyzed, and vimid of the resource pool input by inputs (input interface) is received.
Step 306, allocating the number of VNFCs deployed on each resource pool according to the vimid information;
the NFVO allocates VNFCs to be deployed to different resource pools according to the resource pool information obtained in step 305 and by combining the actual use conditions of the resource pools.
Step 307, sending a request to instantiate a VNF to a VNFM;
and the NFVO triggers a process of instantiating the VNF, and sends the inputs information and the deployment relation of the VNFC to be deployed and the resource pool to the VNFM.
Step 308, analyzing inputs and VNFD information;
and the VNFM analyzes the inputs information and the VNFD information to obtain the deployment relationship between the VNFC and the resource pool. If the deployment relationship between the VNFC and the resource pool is not specified in step 306, the VNFC is randomly allocated or allocated according to a predefined rule.
Step 309, applying for authorization;
and the VNFM sends an authorization request to the NFVO, wherein the authorization request carries the relation between the VNFC and the multiple deployment resource pools and requests the NFVO to authorize.
Step 310, returning authorization information;
the NFVO returns authorization information to the VNFM.
311, creating resources in an indirect mode;
the VNFM sends an indirect mode create resource request to the NFVO.
Step 312, create a resource at VIM 1;
NFVO creates a resource at VIM1 based on the indirect schema create resource request.
Step 313, create a resource at VIM 2;
NFVO creates a resource at VIM2 based on the indirect schema create resource request.
At step 314, resources are created in VIMn.
NFVO creates resources at VIMn based on the indirect schema create resource request.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a VNF deployment device, where the VNF deployment device corresponds to the VNF deployment method on the NFVO side, and each step in the VNF deployment method embodiment is also completely applicable to the VNF deployment device embodiment.
As shown in fig. 4, the VNF deployment apparatus 400 includes: a determining module 401 and a requesting module 402, where the determining module 401 is configured to determine, based on VNFD information of an instantiated VNF, at least two resource pools corresponding to VDUs in the VNFD information; the request module 402 is configured to send a request to instantiate a VNF to the VNFM based on the at least two resource pools.
In some embodiments, the determining module 401 is specifically configured to:
analyzing the VDU in the VNFD information, and determining the at least two resource pools based on resource pool identifications carried by the VDU; alternatively, the first and second electrodes may be,
analyzing the VDU in the VNFD information, receiving an externally input resource pool identifier based on trigger information carried by the VDU, and determining the at least two resource pools.
In some embodiments, the request module 402 is specifically configured to:
sending a request for instantiating the VNF to the VNFM, wherein the request carries the resource pool identifications of the at least two resource pools; alternatively, the first and second electrodes may be,
based on the occupation state of each resource pool in the at least two resource pools, allocating the corresponding relation between the plurality of VNFC virtual network function components to be deployed in the VDU and the at least two resource pools, and sending a request for instantiating a VNF to the VNFM, wherein the request carries the corresponding relation.
In some embodiments, the VNF deployment apparatus 400 further comprises: a registering module 403, configured to register the VNFD information, where a VDU in the VNFD information carries the resource pool identifiers of the at least two resource pools or trigger information used to instruct external input of the resource pool identifiers of the at least two resource pools.
In actual application, the determining module 401, the requesting module 402 and the registering module 403 may be implemented by a processor in the deployment apparatus 400 of the VNF. Of course, the processor needs to run a computer program in memory to implement its functions.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a deployment apparatus of a VNF, where the deployment apparatus of the VNF corresponds to the deployment method of the VNF on the VNFM side, and each step in the deployment method embodiment of the VNF is also completely applicable to the deployment apparatus embodiment of the VNF.
As shown in fig. 5, the VNF deployment apparatus 500 includes: a receiving module 501 and a deploying module 502, wherein the receiving module 501 is configured to receive a request for instantiating a VNF sent by the NFVO; the deployment module 502 is configured to deploy the plurality of VNFCs in the VDU into at least two resource pools based on the request.
In some embodiments, the request carries a correspondence between the plurality of VNFCs to be deployed in the VDU and the at least two resource pools, and the deployment module 502 is specifically configured to:
and determining the deployment number of the VNFC corresponding to each resource pool based on the corresponding relation.
In some embodiments, the request carries the resource pool identifiers of the at least two resource pools, and the deployment module 502 is specifically configured to:
based on the at least two resource pools, randomly allocating the deployment number of the VNFCs corresponding to the resource pools, or allocating the deployment number of the VNFCs corresponding to the resource pools according to a pre-policy.
In practical applications, the receiving module 501 and the deploying module 502 may be implemented by a processor in the deploying apparatus 500 of the VNF. Of course, the processor needs to run a computer program in memory to implement its functions.
It should be noted that: in the deployment apparatus of the VNF according to the foregoing embodiment, when the VNF is deployed, only the division of each program module is described as an example, and in practical applications, the processing distribution may be completed by different program modules according to needs, that is, the internal structure of the apparatus is divided into different program modules, so as to complete all or part of the processing described above. In addition, the deployment apparatus of the VNF and the deployment method embodiment of the VNF provided in the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiment and are not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an NFVO. Fig. 6 shows only an exemplary structure of the NFVO, not the entire structure, and a part or the entire structure shown in fig. 6 may be implemented as necessary.
As shown in fig. 6, an NFVO600 provided in an embodiment of the present invention includes: at least one processor 601, memory 602, user interface 603, and at least one network interface 604. The various components in NFVO600 are coupled together by a bus system 605. It will be appreciated that the bus system 605 is used to enable communications among the components. The bus system 605 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 605 in fig. 6.
The user interface 603 may include, among other things, a display, a keyboard, a mouse, a trackball, a click wheel, a key, a button, a touch pad, or a touch screen.
The memory 602 in embodiments of the present invention is used to store various types of data to support the operation of NFVO. Examples of such data include: any computer program for operating on NFVO.
The VNF deployment method disclosed in the embodiment of the present invention may be applied to the processor 601, or implemented by the processor 601. The processor 601 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the deployment method of the VNF may be implemented by instructions in the form of hardware integrated logic circuits or software in the processor 601. The Processor 601 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Processor 601 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 602, and the processor 601 reads the information in the memory 602, and completes the steps of the VNF deployment method provided in the embodiment of the present invention in combination with its hardware.
In an exemplary embodiment, NFVO600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), FPGAs, general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
Based on the hardware implementation of the program module, and in order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides a VNFM. Fig. 7 shows only an exemplary structure of the VNFM and not the entire structure, and a part of or the entire structure shown in fig. 7 may be implemented as necessary.
As shown in fig. 7, a VNFM 700 provided by an embodiment of the present invention includes: at least one processor 701, memory 702, user interface 703, and at least one network interface 704. The various components in the VNFM 700 are coupled together by a bus system 705. It will be appreciated that the bus system 705 is used to enable communications among the components. The bus system 705 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various busses are labeled in figure 7 as the bus system 705.
The user interface 703 may include, among other things, a display, a keyboard, a mouse, a trackball, a click wheel, a key, a button, a touch pad, or a touch screen.
The VNF deployment method disclosed in the embodiment of the present invention may be applied to the processor 701, or implemented by the processor 701. The processor 701 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the VNF deployment method may be implemented by hardware integrated logic circuits or instructions in software form in the processor 701. The Processor 701 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 701 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the memory 702, and the processor 701 reads information in the memory 702, and completes the steps of the VNF deployment method provided in the embodiment of the present invention in combination with hardware thereof.
In an exemplary embodiment, the VNFM 700 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.
It will be appreciated that the memories 602, 702 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The described memory for embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
An embodiment of the present invention further provides a VNF deployment system, including: the NFVO600 described in the foregoing embodiment and the VNFM 700 and VNF deployment method described in the foregoing embodiment may refer to the description of the foregoing embodiment, and are not described herein again.
In an exemplary embodiment, an embodiment of the present invention further provides a storage medium, that is, a computer storage medium, which may specifically be a computer-readable storage medium, for example, a memory 602 that stores a computer program, where the computer program is executable by a processor 601 of the NFVO to perform the steps of the VNF deployment method on the NFVO side in the embodiment of the present invention; also for example, the storage 702 is comprised to store a computer program, which can be executed by the processor 701 of the VNFM to complete the steps of the VNF deployment method of the VNFM side of the embodiment of the present invention, and the computer-readable storage medium can be a ROM, a PROM, an EPROM, an EEPROM, a Flash Memory, a magnetic surface Memory, an optical disk, or a CD-ROM.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In addition, the technical solutions described in the embodiments of the present invention may be arbitrarily combined without conflict.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A deployment method of a Virtual Network Function (VNF) is applied to a Network Function Virtualization Orchestrator (NFVO), and is characterized by comprising the following steps:
determining at least two resource pools corresponding to a Virtual Deployment Unit (VDU) in VNFD information based on the VNFD information of the instantiated VNF;
sending a request to instantiate the VNF to a Virtual Network Function Manager (VNFM) based on the at least two resource pools.
2. The method of claim 1, wherein the NFVO determining, based on VNFD information of instantiated VNFs, at least two resource pools corresponding to VDUs in the VNFD information, comprises:
analyzing the VDU in the VNFD information, and determining the at least two resource pools based on resource pool identifications carried by the VDU; alternatively, the first and second electrodes may be,
analyzing the VDU in the VNFD information, receiving an externally input resource pool identifier based on trigger information carried by the VDU, and determining the at least two resource pools.
3. The method of claim 1, wherein sending a request to instantiate a VNF to a VNFM based on the at least two resource pools comprises:
sending a request for instantiating the VNF to the VNFM, wherein the request carries the resource pool identifications of the at least two resource pools; alternatively, the first and second electrodes may be,
based on the occupation state of each resource pool in the at least two resource pools, allocating the corresponding relation between the plurality of VNFC virtual network function components to be deployed in the VDU and the at least two resource pools, and sending a request for instantiating a VNF to the VNFM, wherein the request carries the corresponding relation.
4. The method of claim 1, wherein prior to determining at least two resource pools corresponding to VDUs in the VNFD information, the method further comprises:
registering the VNFD information for instantiating the VNF, wherein a VDU in the VNFD information carries the resource pool identifications of the at least two resource pools or trigger information for indicating that the resource pool identifications of the at least two resource pools are externally input.
5. A VNF deployment method is applied to VNFM, and is characterized by comprising the following steps:
receiving a request for instantiating a VNF sent by NFVO;
deploying the plurality of VNFCs in the VDU into at least two resource pools based on the request.
6. The method of claim 5, wherein the request carries correspondences between a plurality of VNFCs to be deployed in the VDU and the at least two resource pools, and wherein the deploying the plurality of VNFCs in the VDU into the at least two resource pools based on the request comprises:
and determining the deployment number of the VNFC corresponding to each resource pool based on the corresponding relation.
7. The method of claim 5, wherein the request carries resource pool identities for the at least two resource pools, and wherein the deploying, based on the request, the plurality of VNFCs in the VDU into the at least two resource pools comprises:
based on the at least two resource pools, randomly allocating the deployment number of the VNFCs corresponding to the resource pools, or allocating the deployment number of the VNFCs corresponding to the resource pools according to a pre-policy.
8. A VNF deployment device applied to NFVO, the device comprising:
a determining module, configured to determine, based on VNFD information of an instantiated VNF, at least two resource pools corresponding to VDUs in the VNFD information;
a request module to send a request to instantiate the VNF to the VNFM based on the at least two resource pools.
9. A VNF deployment apparatus, applied to VNFM, the apparatus comprising:
a receiving module, configured to receive a request for instantiating a VNF sent by the NFVO;
a deployment module to deploy the plurality of VNFCs in the VDU into at least two resource pools based on the request.
10. An NFVO, comprising: a processor and a memory for storing a computer program capable of running on the processor, wherein,
the processor, when executing the computer program, is adapted to perform the steps of the method of any of claims 1 to 4.
11. A VNFM, comprising: a processor and a memory for storing a computer program capable of running on the processor, wherein,
the processor, when executing the computer program, is adapted to perform the steps of the method of any of claims 5 to 7.
12. A deployment system of a VNF, comprising: the NFVO of claim 10 and the VNFM of claim 11.
13. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of any one of claims 1 to 4 or 5 to 7.
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