WO2023061199A1 - Procédé de génération d'instance de vnf, procédé de génération de plan de vnf, nfvo, et support de stockage - Google Patents

Procédé de génération d'instance de vnf, procédé de génération de plan de vnf, nfvo, et support de stockage Download PDF

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WO2023061199A1
WO2023061199A1 PCT/CN2022/121414 CN2022121414W WO2023061199A1 WO 2023061199 A1 WO2023061199 A1 WO 2023061199A1 CN 2022121414 W CN2022121414 W CN 2022121414W WO 2023061199 A1 WO2023061199 A1 WO 2023061199A1
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information
virtual machine
vnf instance
vnf
network
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PCT/CN2022/121414
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English (en)
Chinese (zh)
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付云路
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中兴通讯股份有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines

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  • the present application relates to but not limited to the field of network function virtualization, and in particular relates to a method for generating a VNF instance, a method for generating a VNF blueprint, an NFV orchestrator, and a computer storage medium.
  • VNF Network Functions Virtualization
  • VNFC Virtualized NetworkFunction Component
  • VNF Virtualized Network Function
  • VNF-MANO The Network Functions Virtualization-Management and Orchestration
  • ETSI European Telecommunications Standards Institute
  • VNF-MANO The Network Functions Virtualization-Management and Orchestration
  • ETSI European Telecommunications Standards Institute
  • Embodiments of the present application provide a virtualized network element instance generation method, a blueprint generation method, a network function virtualization orchestrator, and a computer storage medium.
  • the embodiment of the present application provides a method for generating a VNF instance, including: obtaining virtual machine information, and generating a virtual machine relationship based on a preset type, and the virtual machine relationship is used to represent the computing logic between virtual machines; Generate a mapping relationship between a virtual machine and a network according to the virtual machine information and corresponding network information; generate a mapping relationship between a virtual machine and storage according to the virtual machine information and corresponding mounting information; according to the virtual machine relationship, The mapping relationship between the virtual machine and the network and the mapping relationship between the virtual machine and the storage generate a VNF instance.
  • the embodiment of the present application provides a VNF instance generation device, including: a virtual machine information acquisition module, configured to obtain virtual machine information; a calculation association module, configured to obtain information based on the virtual machine information and preset type information to generate a virtual machine relationship; the network association module is configured to generate a mapping relationship between the virtual machine and the network according to the virtual machine information and corresponding network information; the storage association module is configured to generate a mapping relationship between the virtual machine and the network based on the virtual machine information and the corresponding The mounting information of the virtual machine to generate the mapping relationship between the virtual machine and the storage; the VNF instance generation module is configured to generate a VNF instance.
  • a virtual machine information acquisition module configured to obtain virtual machine information
  • a calculation association module configured to obtain information based on the virtual machine information and preset type information to generate a virtual machine relationship
  • the network association module is configured to generate a mapping relationship between the virtual machine and the network according to the virtual machine information and corresponding network information
  • the storage association module is configured to generate a mapping relationship between the virtual machine
  • the embodiment of the present application provides a method for generating a VNF blueprint, including: obtaining a VNF instance according to the VNF instance generation method described in the first aspect; parsing the VNF instance, and obtaining the fixed information and available variable information; associating the fixed information, and generating a VNF blueprint according to the associated fixed information and the variable information.
  • the embodiment of the present application provides a VNF blueprint generation device, including: a virtual machine information acquisition module configured to obtain virtual machine information; a calculation association module configured to obtain information based on the virtual machine information and preset type information to generate a virtual machine relationship; the network association module is configured to generate a mapping relationship between the virtual machine and the network according to the virtual machine information and corresponding network information; the storage association module is configured to generate a mapping relationship between the virtual machine and the network based on the virtual machine information and the corresponding The mounting information of the virtual machine to generate the mapping relationship between the virtual machine and the storage; the VNF instance generation module is configured to generate a VNF instance; a blueprint generation module configured to parse the VNF instance, obtain fixed information and variable information of the VNF instance, associate the fixed information, and generate according to the associated fixed information and the variable information VNF blueprint.
  • the embodiment of the present application provides an NFV orchestrator, including: the device for generating a VNF instance as described in the second aspect, or the device for generating a VNF blueprint as described in the fourth aspect.
  • the embodiment of the present application provides a computer-readable storage medium, which stores computer-executable instructions, and the computer-executable instructions are used to execute the VNF instance generation method described in the first aspect, or to execute the VNF instance generation method described in the first aspect.
  • Fig. 1 is a schematic flowchart of a method for generating a VNF instance provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a VNF example provided by an embodiment of the present application.
  • Fig. 3 is a schematic diagram of a VNF instance generation device provided by an embodiment of the present application.
  • Fig. 4 is a schematic flow chart of a method for generating a VNF blueprint provided by an embodiment of the present application
  • Fig. 5 is a schematic diagram of a VNF blueprint provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a VNF blueprint generation device provided by an embodiment of the present application.
  • Fig. 7 is a schematic diagram of an NFV orchestrator provided by an embodiment of the present application.
  • VNF technology utilizes virtualization technology to pool and virtualize the resources of infrastructure hardware devices (such as computing devices, storage devices, and network devices), provide virtual resources for upper-layer applications, and realize the decoupling of software and hardware.
  • infrastructure hardware devices such as computing devices, storage devices, and network devices
  • virtualization technology to virtualize services into independent applications, such as virtualized network elements, which shortens the time for new services to go online and improves the speed of virtual resource supply.
  • Network function virtualization management and orchestration MANO is used for the management and orchestration of network function virtualization.
  • MANO includes three functional blocks, NFV Orchestrator (O), VNF Manager (M) and VIM.
  • NFVO Network Functions Virtualization Orchestrator
  • M VNF Manager
  • VIM virtualized Infrastructure Manager
  • the VNF blueprint generally uses the TOSCA format to describe the computing, storage, and network information of the VNF, and uses the template definition file to define the template parameter format.
  • the template definition file includes data type, file type, capability type, relationship type, node type, group type, policy type, etc.
  • a complete blueprint file template includes VDU.Compute for describing virtual machine information, VDU.VirtualBlockStorage for describing virtual machine storage information, and VDUCp for describing virtual machine virtual network card information (describing virtual machine virtual network card information)
  • key parts such as VNFVirtualLink used to describe the virtual network, as well as additional attributes such as affinity/anti-affinity groups and security groups, the blueprint constructed can be used to guide the configuration of resources.
  • the existing network function virtualization management orchestration VNF-MANO can aim at the VNF management function and architecture, and support top-down creation and management of VNF instances with the blueprint as the entry point.
  • VNF blueprint design capabilities users often just use it Simply modify the physical deployment to virtual machine deployment, split the resources to be used into computing resources, storage resources, and network resources, and then manually deploy these resources on the cloud platform, and then manually complete the resource configuration.
  • the embodiment of the present application provides a method for generating a virtualized network element instance, a method for generating a blueprint, a network function virtualization orchestrator, and a computer storage medium.
  • Store information generate VNF instances, and based on the generated VNF instances, analyze and obtain fixed information and variable information, and automatically generate VNF blueprints, which simplifies the difficulty of VNF blueprint design, improves the flexibility of user VNF resource deployment, and improves resource management. efficiency.
  • Fig. 1 is a flowchart of a method for generating a VNF instance provided by an embodiment of the present application.
  • the method for generating a VNF instance in this embodiment at least includes the following steps:
  • Step S110 Obtain virtual machine information, and generate a virtual machine relationship based on a preset type, and the virtual machine relationship is used to represent the computing logic between virtual machines.
  • the virtual machine information includes virtual machine image information, hardware template information, network port information, injection files, mounting information, and the like. Preset types can be implemented by setting up logical groupings of virtual machines or by hardware templates.
  • the virtual machine relationship is established according to the virtual machine grouping mode input by the user.
  • the VNF generally includes a virtual machine for forwarding external messages to internal processing. If the user chooses the 1+1 redundancy method, it means that there are 2 virtual machines, and the normal processing of the business is guaranteed in the form of the main machine and the standby machine. .
  • the host machine VM-1 and the backup machine VM-2 are respectively connected to an external network and an internal network. When the host machine fails, the backup machine is responsible for communication forwarding.
  • M virtual machines are used as hosts, and N virtual machines are used as backups.
  • the host communicates with other virtual machines through the internal network and Internal communication, while completing business processing, these virtual machines may also be responsible for the requirements of mounting cloud disks for other modules such as databases and log modules according to their usage.
  • Step S120 Generate a mapping relationship between the virtual machine and the network according to the virtual machine information and the corresponding network information.
  • Virtual machines have different service network relationships according to different service types. For example, there are multiple network planes inside a network element, and virtual machines are connected to different network planes according to their own service processing requirements. Generally, virtual machines that logically belong to one class are connected to one or more network planes. All virtual machines are connected through ports and networks, including internal networks or external networks. After these connection relationships are created on the cloud platform, they can be queried through various query commands, such as the list of all virtual machines, ports mounted on virtual machines, the relationship between ports and networks, and the storage space mounted on virtual machines. information etc.
  • the network to which the port belongs can be queried according to the port, and the corresponding network information can be queried, thereby generating a mapping relationship between the virtual machine and the network.
  • Step S130 Generate a mapping relationship between the virtual machine and the storage according to the virtual machine information and the corresponding mounting information.
  • the storage information of the virtual machine can also be obtained by querying the mounted volume, thus, the mapping relationship between the virtual machine and the storage can be generated.
  • Step S140 Generate a VNF instance according to the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship between the virtual machine and the storage.
  • the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship information between the virtual machine and storage obtained in the above steps are integrated to finally generate a VNF instance.
  • the NFV orchestrator also obtains the latest virtual resource information from the server during resource configuration; and checks the generated VNF instance according to the above information, so that the VNF instance information is consistent with the virtual resource information.
  • the information in the server changes dynamically, and this step can ensure the accuracy of the instance information.
  • Servers can include cloud platforms.
  • the embodiment of the present application can generate a VNF instance according to the acquired virtual machine information and associated computing information, network information, and storage information, and through verification, the up-to-dateness and accuracy of the VNF instance are guaranteed.
  • the embodiment of the present application also provides a device for generating a VNF instance, as shown in Figure 3, the device at least includes the following modules:
  • a virtual machine information acquisition module configured to obtain virtual machine information
  • the calculation association module is configured to generate a virtual machine relationship according to the virtual machine information and preset type information
  • the network association module is configured to generate a mapping relationship between the virtual machine and the network according to the virtual machine information and the corresponding network information;
  • the storage association module is configured to generate a mapping relationship between the virtual machine and the storage according to the virtual machine information and the corresponding mounting information;
  • the VNF instance generation module is configured to generate a VNF instance according to the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship between the virtual machine and the storage.
  • the VNF instance generating module is further configured to verify the VNF instance according to the virtual resource information in the server, so that the VNF instance information is consistent with the virtual resource information.
  • the embodiment of the present application provides a VNF blueprint generation method, as shown in Figure 4, the VNF blueprint generation method in this embodiment at least includes the following steps:
  • Step S210 Acquire virtual machine information, and generate a virtual machine relationship based on a preset type, and the virtual machine relationship is used to represent the computing logic between virtual machines.
  • the virtual machine information includes virtual machine image information, hardware template information, network port information, injection files, mounting information, and the like. Preset types can be implemented by setting up logical groupings of virtual machines or by hardware templates.
  • the virtual machine relationship is established according to the virtual machine grouping mode input by the user.
  • the VNF generally includes a virtual machine for forwarding external messages to internal processing. If the user chooses the 1+1 redundancy method, it means that there are 2 virtual machines, and the normal processing of the business is guaranteed in the form of the main machine and the standby machine. .
  • the host VM-1 and the backup VM-2 are respectively connected to the external network and the internal network. When the host fails, the backup VM is responsible for communication forwarding.
  • M virtual machines are used as hosts, and N virtual machines are used as backups.
  • the host communicates with other virtual machines through the internal network and Internal communication, while completing business processing, these virtual machines may also be responsible for the requirements of mounting cloud disks for other modules such as databases and log modules according to their usage.
  • Step S220 Generate a mapping relationship between the virtual machine and the network according to the virtual machine information and the corresponding network information.
  • Virtual machines have different service network relationships according to different service types. For example, there are multiple network planes inside a network element, and virtual machines are connected to different network planes according to their own service processing requirements. Generally, virtual machines that logically belong to one class are connected to one or more network planes. All virtual machines are connected through ports and networks, including internal networks or external networks. After these connection relationships are created on the cloud platform, they can be queried through various query commands, such as the list of all virtual machines, ports mounted on virtual machines, the relationship between ports and networks, and the storage space mounted on virtual machines. information etc.
  • the network to which the port belongs can be queried according to the port, and the corresponding network information can be queried, thereby generating a mapping relationship between the virtual machine and the network.
  • Step S230 Generate a mapping relationship between the virtual machine and the storage according to the virtual machine information and the corresponding mounting information.
  • the storage information of the virtual machine can also be obtained by querying the mounted volume, thus, the mapping relationship between the virtual machine and the storage can be generated.
  • Step S240 Generate a VNF instance according to the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship between the virtual machine and the storage.
  • the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship information between the virtual machine and storage obtained in the above steps are integrated to finally generate a VNF instance.
  • Step S250 Analyze the VNF instance to obtain fixed information and variable information of the VNF instance.
  • a user can select a VNF instance on the NFV orchestrator to generate a VNF blueprint.
  • the NFV orchestrator checks the attribution specification information of the virtual machine based on the virtual machine information and grouping information in the instance. This information is used to generate VDU information, which not only includes fixed information such as the number of cores and memory, but also It also contains variable information, which is generally information to be entered, which may be defined by the user or planned in advance.
  • the NFV orchestrator For network-related information, the NFV orchestrator generates network information in the blueprint based on the network information to which the virtual machine belongs, which not only includes network type, address pool information, etc., but also includes variable information, such as network name, VLAN ID, etc. Information defined by the user or planned in advance.
  • the NFV orchestrator For storage-related information, the NFV orchestrator generates storage information in the blueprint based on the storage information of the volumes attached to the virtual machine, which not only includes storage capacity, QoS requirements, etc., but also includes variable information. These variable information are generally Information to be entered, possibly defined by the user or planned in advance.
  • Step S260 Associating the fixed information, and generating a VNF blueprint according to the associated fixed information and the variable information.
  • the NFV orchestrator generates the entire VNF blueprint template information based on the above-mentioned fixed and variable information, and the fixed information will also complete the association, such as the relationship between the network of the virtual machine, the relationship between the virtual machine and the storage, and so on.
  • Fig. 5 shows a VNF blueprint generated according to the method for generating a VNF blueprint provided in the above-mentioned embodiment.
  • VDU corresponds to a group of virtual machines with the same function and the same image.
  • VDU-1 is used to represent the module responsible for communication between the external network and the internal network.
  • VDU-2 represents the module connected to the internal network and responsible for business processing.
  • VDU-1 and The VDU-2s are connected through the internal network. If the VDU-2 requires disks, disk connections can be configured.
  • the embodiment of the present application can generate VNF instances on the orchestrator based on virtualized resources such as virtual machines, virtual storage, and networks deployed on the cloud platform without changing the existing VNF-MANO architecture, and based on the VNF instances, analyze Obtain fixed information and variable information, automatically generate VNF blueprints, simplify the design difficulty of VNF blueprints, improve the flexibility of user VNF resource deployment, and thus improve resource management efficiency.
  • the embodiment of the present application also provides a VNF blueprint generation device, as shown in Figure 6, the device at least includes the following modules:
  • a virtual machine information acquisition module configured to obtain virtual machine information
  • the calculation association module is configured to generate a virtual machine relationship according to the virtual machine information and preset type information
  • the network association module is configured to generate a mapping relationship between the virtual machine and the network according to the virtual machine information and the corresponding network information;
  • the storage association module is configured to generate a mapping relationship between the virtual machine and the storage according to the virtual machine information and the corresponding mounting information;
  • the VNF instance generation module is configured to generate a VNF instance according to the virtual machine relationship, the mapping relationship between the virtual machine and the network, and the mapping relationship between the virtual machine and the storage.
  • the blueprint generation module is configured to analyze the VNF instance, obtain fixed information and variable information of the VNF instance, associate the fixed information, and generate a VNF blueprint according to the associated fixed information and variable information.
  • the VNF instance generating module is further configured to verify the VNF instance according to the virtual resource information in the server, so that the VNF instance information is consistent with the virtual resource information.
  • the present application also provides an NFV orchestrator, including the above-mentioned VNF instance generation device, or the above-mentioned VNF blueprint generation device.
  • the NFV orchestrator includes the following modules, as shown in FIG. 7 .
  • NFV orchestrator has collection module, instance center, processing module and blueprint center.
  • the collection module obtains the resource information in the cloud platform, including the resources occupied by the virtual machine itself and the associated storage and network resource information, and generates a VNF instance; the generated VNF instance is stored in the instance center and called when needed; the processing module Obtain the VNF instance from the instance center, generate fixed information and variable information, and generate blueprints based on the fixed information and variable information; the generated blueprints are stored in the blueprint center, when it is necessary to deploy the same application on multiple cloud platforms , can be reused.
  • the orchestrator provided by the embodiment of this application can simplify the difficulty of VNF blueprint design, improve the flexibility of user VNF resource deployment, and further improve resource management efficiency.
  • An embodiment of the present application also provides a computer-readable storage medium storing computer-executable instructions, the computer-executable instructions being used to execute the method for generating a VNF instance or the method for generating a VNF blueprint in the foregoing embodiments.
  • memory can be used to store non-transitory software programs and non-transitory computer-executable programs.
  • the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage devices.
  • the memory includes memory located remotely from the processor, and these remote memories may be connected to the processor through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the mobile communication device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • the method and system provided by the embodiments of the present application can generate VNF instances and VNF blueprints according to virtualized resources, effectively solving the problem that traditional equipment is difficult to quickly deploy in batches after cloud access; at the same time, after generating VNF instance and blueprint information, There is information corresponding to the VNF instance of the cloud platform on the orchestrator, which is convenient for management according to the granularity of the VNF, and can quickly deploy the same application on multiple cloud platforms, which simplifies the difficulty of VNF blueprint design and improves the deployment of user VNF resources. flexibility, thereby improving resource management efficiency.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, tape, magnetic disk storage or other magnetic storage devices, or can Any other medium used to store desired information and which can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .

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Abstract

L'invention concerne un procédé de génération d'Instance de fonction de réseau virtualisé (VNF), un procédé de génération de plan de VNF, un orchestrateur de virtualisation de fonction de réseau et un support de stockage informatique. Le procédé de génération d'instance de VNF consiste à : acquérir des informations de machine virtuelle, et générer une relation de machine virtuelle sur la base d'un type prédéfini, la relation de machine virtuelle étant utilisée pour représenter une logique de calcul entre des machines virtuelles (S110) ; générer une relation de mappage entre les machines virtuelles et un réseau en fonction des informations de machine virtuelle et des informations de réseau correspondantes (S120) ; générer une relation de mappage entre les machines virtuelles et le stockage en fonction des informations de machine virtuelle et des informations de montage correspondantes (S130) ; et générer une instance de VNF selon la relation de machine virtuelle, la relation de mappage entre les machines virtuelles et le réseau, et la relation de mappage entre les machines virtuelles et le stockage (S140).
PCT/CN2022/121414 2021-10-13 2022-09-26 Procédé de génération d'instance de vnf, procédé de génération de plan de vnf, nfvo, et support de stockage WO2023061199A1 (fr)

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