CN111416727A - VNF uploading instantiation method and device - Google Patents

Abstract

The invention provides a VNF upload instantiation method and device, which belong to the technical field of core network. The VNF upload instantiation method includes: the network function virtualization orchestrator NFVO receives the uploaded VNF package, the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction indicates that one of the following deployment modes is adopted Type: based on bare metal container deployment, based on virtual machine container deployment, based on virtual machine deployment; NFVO checks and verifies the VNF package. After the check and verification pass, the corresponding package identifier is assigned to the VNF package, and the file to be loaded is added to the local directory. VNF subdirectory; NFVO delivers the image file in the VNF package to the specified virtual infrastructure management VIM according to the information carried in the VNFD; after the image file is successfully delivered, NFVO sets the VNF package status to Enable. The technical solution of the present invention enables the services in the 5G core network to support multiple deployment modes at the same time.

Description

VNF upload instantiation method and device

technical field

The present invention relates to the technical field of core networks, in particular to a method and device for instantiating VNF upload.

Background technique

VNFD (Virtualised Network Function Descriptor, virtualized network function module descriptor) is a description template used to deploy VNF (Virtualised Network Function, virtualized network function). Connection, interface, and virtual resource requirements. VDU (Virtualisation Deployment Unit, Virtualization Deployment Unit) describes the deployment and operation behavior of VNFC (Virtualised NetworkFunction Component, virtualized network function module component).

In the current VNFD description, only virtual machine deployment methods are supported, and there is only one method of deployment resource description: in the prior art, operators upload VNF packages (designate one or more VIMs (Virtual Infrastructure Virtualization orchestrator) checks the integrity of the VNF package and stores the VNF package in the directory; NFVO delivers the image in the VNF package to the specified VIM; NFVO checks the subscription relationship of the VNF package, and if there is a subscription relationship for the package, distributes the VNF package to VNFM (Virtual Network Function Management), if there are multiple VNFM subscriptions, repeat it multiple times; NFVO sets the VNF package status to Enable; NFVO uploads the results.

5G core network elements have more fine-grained service granularity, service-oriented design, and various deployment methods such as virtual machines, containers, and hybrid deployments need to be considered. In addition, in different regions of the country, different levels of computer rooms have different conditions and different virtualization resource reserves. The core computer room resources have high isolation requirements and sufficient resources, which are suitable for virtual machine solutions, while the edge computer room resources are tight. If the isolation requirements are not high, you can consider containers. Program. At present, there is a lack of 5GC service deployment solutions for different situations, a lack of description methods for virtual machine containers and bare metal containers under the granularity of 5G microservices, and a lack of mapping relationships between 5GC services and network elements.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a resource pool configuration method, usage method, configuration device and terminal, which can enable the services in the 5G core network to support multiple deployment modes at the same time.

In order to solve the above-mentioned technical problems, the embodiments of the present invention provide the following technical solutions:

An embodiment of the present invention provides a method for instantiating a virtualized network function VNF upload, including:

The network function virtualization orchestrator NFVO receives the uploaded VNF package, and the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction indicates that one of the following deployment modes is adopted: based on Bare metal container deployment, virtual machine-based container deployment, and virtual machine-based deployment;

The NFVO inspects and verifies the VNF package, and after the inspection and verification pass, assigns a corresponding package identifier to the VNF, and adds the VNF subdirectory to be loaded in the local directory;

The NFVO delivers the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD;

After the image file is successfully delivered, the NFVO sets the VNF package status to Enable.

Further, it also includes:

The NFVO checks the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distributes the VNF package to the virtual network function management VNFM.

Further, when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD also carries at least one of the following information:

Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs;

When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G serviceID, 5G NF ID, slice ID;

When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID.

Further, the NFVO stores the mapping relationship between the VIM and the private network to which it belongs.

Further, when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the method further includes:

When instantiating a VNF in a private network, the NFVO sends a private network policy to the VIM corresponding to the private network according to the mapping relationship, instructing the VIM to create the required virtual resources, and the private network policy instructs to check first Whether there is a virtual machine that has been pulled up, if so, select the virtual machine of the required specification to create the container, if not, pull up the virtual machine first, and then create the container.

Further, the private network policy is stored in the NFVO.

Further, the mapping relationship between the 5G service ID and the 5G NF ID is stored in the NFVO and the EMS.

Further, the method further includes instantiating the VNF package, and the step of instantiating the VNF package specifically includes:

The NFVO initiates a VNFD information query request to the VNFM, and the VNFM is selected and obtained according to the 5G service ID and slice ID;

The NFVO receives an information query response returned by the VNFM, and the information query response includes the information and variable parameters of the VNFD;

The NFVO sends an instantiated VNF request to the VNFM, and the instantiated VNF request includes the VNF name, VNFDID, variable parameters, and extended Extention;

The NFVO receives the created instantiated task returned by the VNFM;

The NFVO receives the resource authorization request sent by the VNFM, and the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the The resource authorization request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource container list, and the mapping relationship between the virtual machine and the container;

The NFVO selects the VIM according to the private network policy, and returns the VIMID and the Tenant ID to the VNFM;

The NFVO receives a request for creating a virtual resource sent by the VNFM;

The NFVO creates the required virtual resources in the specified VIM;

receiving, by the NFVO, a request for notification of changes in the resources of the VIM;

The NFVO returns a resource change response to the VIM;

The NFVO receives the notification message of the virtual resources contained in the VNF sent by the VNFM after the resource creation is successful and the VNF instantiation is successful;

The NFVO returns a response to the VNFM.

Further, the method also includes:

The VNFM sends the information of the instantiated VNF to the EMS, including the 5G service ID of the VNF, the NF ID and the slice ID;

The EMS adds the instantiated VNF to the management object list of the private network to which it belongs according to the 5G service ID, NF ID and slice ID of the VNF, and stores the logical mapping relationship between services and network elements.

Further, the method also includes:

The EMS configures application parameters for the VNF.

The embodiment of the present invention also provides a virtualized network function VNF upload instantiation device, which is applied to the network function virtualization orchestrator NFVO, including:

A receiving module, configured to receive the uploaded VNF package, the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode indication, and the deployment mode indication instruction adopts one of the following deployment modes: based on a bare metal container Deployment, based on virtual machine container deployment, based on virtual machine deployment;

The inspection and verification module is used to inspect and verify the VNF package, and after the inspection and verification pass, assign a corresponding package identifier to the VNF package, and add the VNF subdirectory to be loaded in the local directory;

a delivery module, configured to deliver the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD;

The setting module is used for the NFVO to set the state of the VNF package to Enable after the image file is successfully delivered.

Further, it also includes:

The subscription relationship checking module is used to check the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distribute the VNF package to the virtual network function management VNFM.

Further, when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD also carries at least one of the following information:

Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs;

When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G serviceID, 5G NF ID, slice ID;

When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID.

Further, the NFVO stores the mapping relationship between the VIM and the private network to which it belongs.

Further, when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the apparatus further includes:

A sending module, configured to send a private network policy to the VIM corresponding to the private network according to the mapping relationship when instantiating the VNF in the private network, instructing the VIM to create the required virtual resources, and the private network policy indicates First check whether there is a virtual machine that has been pulled up. If there is, select the virtual machine of the required specification to create the container. If not, pull up the virtual machine first, and then create the container.

Further, the private network policy is stored in the NFVO.

Further, the mapping relationship between the 5G service ID and the 5G NF ID is stored in the NFVO and the EMS.

Further, the apparatus further includes an instantiation module, and the instantiation module is specifically used for:

Initiate a VNFD information query request to the VNFM, where the VNFM is selected and obtained according to the 5G service ID and slice ID;

receiving an information query response returned by the VNFM, where the information query response includes VNFD information and variable parameters;

Send an instantiated VNF request to the VNFM, where the instantiated VNF request includes a VNF name, a VNFD ID, a variable parameter, and an extended Extention;

receiving the created instantiated task returned by the VNFM;

Receiving the resource authorization request sent by the VNFM, the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the resource authorization The request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource container list, and the mapping relationship between the virtual machine and the container;

Select a VIM according to the private network policy, and return the VIMID and Tenant ID to the VNFM;

receiving a request for creating a virtual resource sent by the VNFM;

Create the required virtual resources in the specified VIM;

receiving a request for notification of changes in the resources of the VIM;

returning a resource change response to the VIM;

Receive the notification message of the virtual resource contained in the VNF sent by the VNFM after the resource is successfully created and the VNF is instantiated successfully;

A response is returned to the VNFM.

An embodiment of the present invention further provides a network function virtualization orchestrator, including: a memory, a processor, and a computer program stored in the memory and running on the processor, the computer program being implemented when executed by the processor Steps in the method for instantiating a virtualized network function VNF upload as described above.

Embodiments of the present invention also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned virtualized network function VNF upload instantiation is realized steps in the method.

Embodiments of the present invention have the following beneficial effects:

In the above solution, the NFVO receives the uploaded VNF package, and the VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction indicates that one of multiple deployment modes is adopted. The technical solution of the present invention enables 5G Services in the core network support multiple deployment methods at the same time.

Description of drawings

1 is a schematic flowchart of a 5GC microservice VNF package upload based on bare metal container deployment in a private network according to an embodiment of the present invention;

2 is a schematic flowchart of VNF instantiation based on bare metal container 5GC microservices in a private network according to an embodiment of the present invention;

3 is a schematic flowchart of a 5GC microservice VNF package upload based on virtual machine container deployment in a private network according to an embodiment of the present invention;

4 is a schematic flowchart of VNF instantiation based on virtual machine container 5GC microservices in a private network according to an embodiment of the present invention;

5 is a schematic flowchart of a 5GC microservice VNF package upload based on virtual machine deployment in a private network according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a VNF upload instantiation apparatus according to an embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given in conjunction with the accompanying drawings and specific embodiments.

Wherein, the names and abbreviations of the technical terms involved in the present invention will have corresponding changes, and the technical solutions of the present invention are still applicable when the abbreviations are changed.

An embodiment of the present invention provides a method for instantiating a virtualized network function VNF upload, including:

The network function virtualization orchestrator NFVO receives the uploaded VNF package, and the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction instruction adopts one of the following deployment modes: based on Bare metal container deployment, virtual machine-based container deployment, and virtual machine-based deployment;

The NFVO checks and verifies the VNF package, and after passing the check and verification, assigns a corresponding package identifier to the VNF package, and adds the VNF subdirectory to be loaded in the local directory;

The NFVO delivers the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD;

After the image file is successfully delivered, the NFVO sets the VNF package status to Enable.

In this embodiment, the NFVO receives the uploaded VNF package, and the VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction indicates that one of multiple deployment modes is adopted. The technical solution of the present invention can make Services in the 5G core network support multiple deployment methods at the same time.

Further, the VNF upload instantiation method also includes:

The NFVO checks the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distributes the VNF package to the virtual network function management VNFM.

Further, when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD also carries at least one of the following information:

Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs;

When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G serviceID, 5G NF ID, slice ID;

When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID.

Further, the NFVO stores the mapping relationship between the VIM and the private network to which it belongs.

Further, when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the method further includes:

When instantiating a VNF in a private network, the NFVO sends a private network policy to the VIM corresponding to the private network according to the mapping relationship, instructing the VIM to create the required virtual resources, and the private network policy instructs to check first Whether there is a virtual machine that has been pulled up, if so, select the virtual machine of the required specification to create the container, if not, pull up the virtual machine first, and then create the container.

Further, the private network policy is stored in the NFVO.

Further, the mapping relationship between the 5G service ID and the 5G NF ID is stored in the NFVO and the EMS.

Further, the method further includes instantiating the VNF package, and the step of instantiating the VNF package specifically includes:

The NFVO initiates a VNFD information query request to the VNFM, and the VNFM is selected and obtained according to the 5G service ID and slice ID;

The NFVO receives an information query response returned by the VNFM, and the information query response includes the information and variable parameters of the VNFD;

The NFVO sends an instantiated VNF request to the VNFM, and the instantiated VNF request includes the VNF name, VNFDID, variable parameters, and extended Extention;

The NFVO receives the created instantiated task returned by the VNFM;

The NFVO receives the resource authorization request sent by the VNFM, and the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the The resource authorization request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource container list, and the mapping relationship between the virtual machine and the container;

The NFVO selects the VIM according to the private network policy, and returns the VIMID and the Tenant ID to the VNFM;

The NFVO receives a request for creating a virtual resource sent by the VNFM;

The NFVO creates the required virtual resources in the specified VIM;

receiving, by the NFVO, a request for notification of changes in the resources of the VIM;

The NFVO returns a resource change response to the VIM;

The NFVO receives the notification message of the virtual resources contained in the VNF sent by the VNFM after the resource creation is successful and the VNF instantiation is successful;

The NFVO returns a response to the VNFM.

Further, the method also includes:

The VNFM sends the information of the instantiated VNF to the EMS, including the 5G service ID of the VNF, the NF ID and the slice ID;

The EMS adds the instantiated VNF to the management object list of the private network to which it belongs according to the 5G service ID, NF ID and slice ID of the VNF, and stores the logical mapping relationship between services and network elements.

Further, the method also includes:

The EMS configures application parameters for the VNF.

Below in conjunction with specific embodiment, the technical scheme of the present invention is further introduced:

Example 1: 5GC microservice VNF package upload based on bare metal container deployment in private network

In this embodiment, the VNF package in the private network selects the deployment mode according to the deploymentmode parameter. In the bare metal container mode, the VDU carries the deployment mode, container ID, and container description, and the VNFD contains the 5G service ID, 5G NF ID, and sliceID.

The specific process is shown in Figure 1, including the following steps:

Step 1. The operator uploads the VNF package on the NFVO interface. The format of the VNF package must conform to the specification definition. The operator needs to specify one or more VIMs when uploading the VNF package. The VNFD in the VNF package contains the virtual machine or container deployment mode indication, container ID, container name, container description, and slice ID.

Step 2. NFVO checks and verifies the VNF package, and verifies the integrity of the VNF package according to the hash value in the manifest file. After the check and verification are passed, NFVO assigns the corresponding package ID, and adds the VNF subdirectory to be loaded in the local directory.

Step 3. NFVO analyzes the image file contained in the VNF package according to the description of the SWImageDesc.json file in the Image directory, and then searches for the VIM specified by the private network in NFVO according to the sliceID, and delivers the image file to the specified VIM. If the image is not successfully delivered, the operator will be prompted that the VNF package was not uploaded successfully.

Step 4. NFVO checks the subscription relationship and analyzes whether there is a VNFM subscribed to the VNF package. If so, execute the subsequent process. If not, skip to step 10.

Step 5. NFVO notifies VNFM that a new VNF package is uploaded.

Step 6. The VNFM responds to the VNF packet notification.

Step 7. The VNFM obtains the VNF package from the NFVO.

Step 8. The NFVO sends the VNF packet to the VNFM.

Step 9. The VNFM saves the VNF package.

Step 10. After the image is delivered successfully, NFVO sets the status of the VNF package to Enable.

Step 11. NFVO returns the upload result to the operator.

The VDU indication deployment method is as follows:

The private network indicated by the VNFD is as follows:

Example 2: VNF instantiation based on bare metal container 5GC microservice in private network

In this embodiment, the VNF package in the private network selects the deployment mode according to the deploymentmode parameter. In the bare metal container mode, the VDU carries the deployment mode, container ID, and container description, and the VNFD contains the 5G service ID, 5G NF ID, and sliceID. During instantiation, virtualized resources are selected as containers according to the deployment method, and corresponding resources are pulled up and 5G services are deployed according to the container specifications and quantity.

The implementation process is shown in Figure 2, including the following steps:

Step 1. The operator instantiates a 5GC VNF in a private network in NFVO, and the command contains 5G service ID, NFID, and slice ID.

Step 2. Select the VNF package (including VNFD, where the VDU contains the deployment mode, and the deployment mode value of the bare metal container is 1) and VNFM according to the 5G service ID and slice ID during instantiation.

Step 3. The NFVO initiates a VNFD information query request to the VNFM.

Step 4. The VNFM queries the locally stored VNFD information.

Step 5. The VNFM returns a query response, including the detailed information of the VNFD and variable parameters (inputs).

Step 6. The NFVO requests the VNFM to instantiate the VNF, carrying the VNF name, VNFD identifier VNFDID, variable parameters inputs, and Extention.

Step 7. VNFM creates an instantiation task and returns it to NFVO.

Step 8. The VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method, and the required virtual resources, including the container specification and the number of containers.

Step 9. The VNFM requests the NFVO for resource authorization, and the interface carries the required resource container list.

Step 10: NFVO selects the VIM according to the private network policy, selects the VIM for this instantiation, and returns the VIMID and Tenant ID to the VNFM.

Step 11: The VNFM sends a request for creating a virtual resource to the NFVO.

Step 12, NFVO creates the required virtual resources in the specified VIM.

Step 13: The VIM detects the change of the virtual machine resource, and requests the NFVO to notify the change of the resource.

Step 14, the NFVO returns a response to the VIM.

Step 15. After the resource is successfully created, configure and deploy the relevant parameters from the VNFM to the VNF.

Step 16: After the VNF is successfully instantiated, the VNFM informs the NFVO of the virtual resources contained in the VNF.

Step 17, the NFVO returns a response to the VNFM.

Step 18. After the VNF is successfully instantiated, the VNFM notifies the EMS that there is a newly instantiated VNF, including the VNF 5GCservice ID, NFID, slice ID, etc.

Step 19: The EMS adds the newly instantiated VNF to the management object list of the private network to which it belongs according to the VNF 5GC service ID, NFID, and slice ID, and stores the logical mapping relationship between the service and the network element.

Step 20: The EMS configures application parameters for the VNF.

Step 21. The operator can see the instantiation progress on the NFVO interface.

Example 3: 5GC microservice VNF package upload based on virtual machine container deployment in private network

In this embodiment, the VNF package in the private network selects the deployment mode according to the deploymentmode parameter. In the bare metal container mode, the VDU carries the deployment mode, virtual machine ID, virtual machine description, container ID, container description, and the mapping between virtual machines and containers Relationship, VNFD contains 5G service ID, 5G NF ID, slice ID.

The specific implementation is shown in Figure 3, including the following steps:

Step 1. The operator uploads the VNF package on the NFVO interface. The format of the VNF package must conform to the specification definition. The operator needs to specify one or more VIMs when uploading the VNF package. The VNFD in the VNF package contains the virtual machine or container deployment mode indication, container ID, container name, container description, virtual machine ID, virtual machine description, virtual machine and container. The mapping relationship of the container, slice ID.

Step 2. NFVO checks and verifies the VNF package, and verifies the integrity of the VNF package according to the hash value in the manifest file. After the check and verification are passed, NFVO assigns the corresponding package ID, and adds the VNF subdirectory to be loaded in the local directory.

Step 3. NFVO analyzes the image file contained in the VNF package according to the description of the SWImageDesc.json file in the Image directory, and then searches for the VIM specified by the private network in NFVO according to the slice ID, and delivers the image file to the specified VIM , if the image is not successfully delivered, the operator will be prompted that the VNF package was not uploaded successfully.

Step 4. NFVO checks the subscription relationship and analyzes whether there is a VNFM subscribed to the VNF package. If so, execute the subsequent process. If not, skip to step 10.

Step 5. NFVO notifies VNFM that a new VNF package is uploaded.

Step 6. The VNFM responds to the VNF packet notification.

Step 7. The VNFM obtains the VNF package from the NFVO.

Step 8. The NFVO sends the VNF packet to the VNFM.

Step 9. The VNFM saves the VNF package.

Step 10. After the image is delivered successfully, NFVO sets the status of the VNF package to Enable.

Step 11. NFVO returns the upload result to the operator.

Example 4: VNF instantiation based on virtual machine container 5GC microservice in private network

In this embodiment, the VNF package in the private network selects the deployment mode according to the deploymentmode parameter. In the bare metal container mode, the VDU carries the deployment mode, virtual machine ID, virtual machine description, container ID, container description, and the mapping between virtual machines and containers Relationship, VNFD contains 5G service ID, 5G NF ID, slice ID. During instantiation, virtualized resources are selected as containers according to the deployment method, and corresponding resources are pulled up and 5G services are deployed according to the container specifications and quantity.

The specific implementation is shown in Figure 4, including the following steps:

Step 1. The operator instantiates a 5GC VNF in a private network in NFVO, and the command contains 5G service ID, NFID, and slice ID.

Step 2. Select the VNF package (including VNFD, where the VDU contains the deployment mode, and the deployment mode value of the bare metal container is 1) and VNFM according to the 5G service ID and slice ID during instantiation.

Step 3. The NFVO initiates a VNFD information query request to the VNFM.

Step 4. The VNFM queries the locally stored VNFD information.

Step 5. The VNFM returns a query response, including the detailed information of the VNFD and variable parameters (inputs).

Step 6. The NFVO requests the VNFM to instantiate the VNF, carrying the VNF name, VNFD identifier VNFDID, variable parameters inputs, and Extention.

Step 7. VNFM creates an instantiation task and returns it to NFVO.

Step 8. The VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method, and the required virtual resources, including the virtual machine specification and quantity, the container specification and number of containers, and the mapping between virtual machines and containers.

Step 9. The VNFM requests NFVO to perform resource authorization, and the interface carries the required resource virtual machine list, container list, and mapping between virtual machines and containers.

Step 10: NFVO selects the VIM according to the private network policy, selects the VIM for this instantiation, and returns the VIMID and Tenant ID to the VNFM.

Step 11: The VNFM sends a request for creating a virtual resource to the NFVO.

Step 12. NFVO creates the required virtual resources in the specified VIM. First, check whether there is a virtual machine that has been pulled up. If there is, select the virtual machine of the required specification to create the container. If not, pull up the virtual machine first. Create the container again.

Step 13: The VIM detects the change of the virtual machine resource, and requests the NFVO to notify the change of the resource.

Step 14, the NFVO returns a response to the VIM.

Step 15. After the resource is successfully created, configure and deploy the relevant parameters from the VNFM to the VNF.

Step 16: After the VNF is successfully instantiated, the VNFM informs the NFVO of the virtual resources contained in the VNF.

Step 17, the NFVO returns a response to the VNFM.

Step 18. After the VNF is successfully instantiated, the VNFM notifies the EMS that there is a newly instantiated VNF, including the VNF 5GCservice ID, NFID, slice ID, etc.

Step 19: The EMS adds the newly instantiated VNF to the management object list of the private network to which it belongs according to the VNF 5GC service ID, NFID, and slice ID, and stores the logical mapping relationship between the service and the network element.

Step 20: The EMS configures application parameters for the VNF.

Step 21. The operator can see the instantiation progress on the NFVO interface.

Example 5: 5GC microservice VNF package upload based on virtual machine deployment in private network

In this embodiment, the VNF package in the private network selects the deployment mode according to the deploymentmode parameter. In the bare metal container mode, the VDU carries the deployment mode, virtual machine ID, and virtual machine description, and the VNFD contains 5G service ID, 5G NF ID, and sliceID.

The specific implementation is shown in Figure 5, including the following steps:

Step 1. The operator uploads the VNF package on the NFVO interface. The format of the VNF package must conform to the specification definition. The operator needs to specify one or more VIMs when uploading the VNF package. The VNFD in the VNF package contains the virtual machine deployment mode indication, virtual machine ID, virtual machine description, and slice ID.

Step 2. NFVO checks and verifies the VNF package, and verifies the integrity of the VNF package according to the hash value in the manifest file. After the check and verification are passed, NFVO assigns the corresponding package ID, and adds the VNF subdirectory to be loaded in the local directory.

Step 3. NFVO analyzes the image file contained in the VNF package according to the description of the SWImageDesc.json file in the Image directory, and then searches for the VIM specified by the private network in NFVO according to the sliceID, and delivers the image file to the specified VIM. If the image is not successfully delivered, the operator will be prompted that the VNF package was not uploaded successfully.

Step 4. NFVO checks the subscription relationship and analyzes whether there is a VNFM subscribed to the VNF package. If so, execute the subsequent process. If not, skip to step 10.

Step 5. NFVO notifies VNFM that a new VNF package is uploaded.

Step 6. The VNFM responds to the VNF packet notification.

Step 7. The VNFM obtains the VNF package from the NFVO.

Step 8. The NFVO sends the VNF packet to the VNFM.

Step 9. The VNFM saves the VNF package.

Step 10. After the image is delivered successfully, NFVO sets the status of the VNF package to Enable.

Step 11. NFVO returns the upload result to the operator.

The embodiment of the present invention also provides a virtualized network function VNF upload instantiation device, which is applied to the network function virtualization orchestrator NFVO, as shown in FIG. 6 , including:

The receiving module 11 is configured to receive the uploaded VNF package, the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode indication, and the deployment mode indication instruction adopts one of the following deployment modes: based on bare metal Container deployment, virtual machine-based container deployment, and virtual machine-based deployment;

The inspection and verification module 12 is used to inspect and verify the VNF package, and after the inspection and verification pass, assign a corresponding package identifier to the VNF package, and add the VNF subdirectory to be loaded in the local directory;

The issuing module 13 is configured to issue the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD;

The setting module 14 is configured to, after the image file is successfully delivered, the NFVO sets the state of the VNF package to Enable.

In this embodiment, the NFVO receives the uploaded VNF package, and the VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction indicates that one of multiple deployment modes is adopted. The technical solution of the present invention can make Services in the 5G core network support multiple deployment methods at the same time.

Further, the VNF upload instantiation device also includes:

The subscription relationship checking module is used to check the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distribute the VNF package to the virtual network function management VNFM.

Further, when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD also carries at least one of the following information:

Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs;

When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G serviceID, 5G NF ID, slice ID;

When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information:

Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID.

Further, the NFVO stores the mapping relationship between the VIM and the private network to which it belongs.

Further, when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the apparatus further includes:

A sending module, configured to send a private network policy to the VIM corresponding to the private network according to the mapping relationship when instantiating the VNF in the private network, instructing the VIM to create the required virtual resources, and the private network policy indicates First check whether there is a virtual machine that has been pulled up. If there is, select the virtual machine of the required specification to create the container. If not, pull up the virtual machine first, and then create the container.

Further, the private network policy is stored in the NFVO.

Further, the mapping relationship between the 5G service ID and the 5G NF ID is stored in the NFVO and the EMS.

Further, the apparatus further includes an instantiation module, and the instantiation module is specifically used for:

Initiate a VNFD information query request to the VNFM, where the VNFM is selected and obtained according to the 5G service ID and slice ID;

receiving an information query response returned by the VNFM, where the information query response includes VNFD information and variable parameters;

Send an instantiated VNF request to the VNFM, where the instantiated VNF request includes a VNF name, a VNFD ID, a variable parameter, and an extended Extention;

receiving the created instantiated task returned by the VNFM;

Receiving the resource authorization request sent by the VNFM, the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the resource authorization The request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource container list, and the mapping relationship between the virtual machine and the container;

Select a VIM according to the private network policy, and return the VIMID and Tenant ID to the VNFM;

receiving a request for creating a virtual resource sent by the VNFM;

Create the required virtual resources in the specified VIM;

receiving a request for notification of changes in the resources of the VIM;

returning a resource change response to the VIM;

Receive the notification message of the virtual resource contained in the VNF sent by the VNFM after the resource is successfully created and the VNF is instantiated successfully;

A response is returned to the VNFM.

An embodiment of the present invention further provides a network function virtualization orchestrator, including: a memory, a processor, and a computer program stored in the memory and running on the processor, the computer program being implemented when executed by the processor Steps in the method for instantiating a virtualized network function VNF upload as described above.

An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the above-mentioned virtualized network function VNF upload instantiation is realized steps in the method.

It will be appreciated that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit may be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Device (DSP Device, DSPD), programmable logic Devices (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units for performing the functions described in this application or a combination thereof.

For a software implementation, the techniques described herein may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described herein. Software codes may be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments may be referred to each other.

It should be understood by those skilled in the art that the embodiments of the embodiments of the present invention may be provided as a method, an apparatus, or a computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

Embodiments of the present invention are described with reference to flowcharts and/or block diagrams of methods, user equipment (systems), and computer program products according to embodiments of the present invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor or processor of other programmable data processing user equipment to produce a machine that causes the instructions to be executed by the processor of the computer or other programmable data processing user equipment Means are created for implementing the functions specified in the flow or flows of the flowcharts and/or the blocks or blocks of the block diagrams.

The computer program instructions may also be stored in a computer readable memory capable of directing a computer or other programmable data processing user equipment to operate in a particular manner, such that the instructions stored in the computer readable memory result in an article of manufacture comprising instruction means, the The instruction means implement the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded onto a computer or other programmable data processing user equipment such that a series of operational steps are performed on the computer or other programmable user equipment to produce a computer implemented The instructions executed on the above provide steps for implementing the functions specified in the flowchart or blocks and/or the block or blocks of the block diagrams.

Although preferred embodiments of the embodiments of the present invention have been described, additional changes and modifications to these embodiments may be made by those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications that fall within the scope of the embodiments of the present invention.

It should also be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply those entities or operations There is no such actual relationship or order between them. Furthermore, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or user device that includes a list of elements includes not only those elements, but also a non-exclusive list of elements. other elements, or also include elements inherent to such a process, method, article or user equipment. Without further limitation, an element defined by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article, or user device that includes the element.

The above are the preferred embodiments of the present invention, and it should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principles described in the present invention, and these improvements and modifications are also included in the present invention. within the scope of protection of the invention.

Claims (20)

1. a virtualized network function VNF upload instantiation method, is characterized in that, comprises: The network function virtualization orchestrator NFVO receives the uploaded VNF package, and the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode instruction, and the deployment mode instruction instruction adopts one of the following deployment modes: based on Bare metal container deployment, virtual machine-based container deployment, and virtual machine-based deployment; The NFVO checks and verifies the VNF package, and after passing the check and verification, assigns a corresponding package identifier to the VNF package, and adds the VNF subdirectory to be loaded in the local directory; The NFVO delivers the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD; After the image file is successfully delivered, the NFVO sets the VNF package status to Enable. 2. The method for instantiating VNF uploading according to claim 1, further comprising: The NFVO checks the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distributes the VNF package to the virtual network function management VNFM. 3 . The method for instantiating VNF uploading according to claim 1 , wherein, when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD further carries at least one of the following information: 4 . Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs; When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information: Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G service ID, 5GNF ID, slice ID; When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information: Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID. 4 . The method for instantiating VNF uploading according to claim 1 , wherein the NFVO stores the mapping relationship between the VIM and the private network to which it belongs. 5 . 5 . The method for instantiating VNF uploading according to claim 4 , wherein, when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the method further comprises: 6 . When instantiating a VNF in a private network, the NFVO sends a private network policy to the VIM corresponding to the private network according to the mapping relationship, instructing the VIM to create the required virtual resources, and the private network policy instructs to check first Whether there is a virtual machine that has been pulled up, if so, select the virtual machine of the required specification to create the container, if not, pull up the virtual machine first, and then create the container. 6 . The method for instantiating VNF uploading according to claim 5 , wherein the private network policy is stored in the NFVO. 7 . 7 . The method for instantiating VNF uploading according to claim 3 , wherein the mapping relationship between the 5G service ID and the 5GNF ID is stored in the NFVO and the EMS. 8 . 8. The method for instantiating VNF uploading according to claim 3, wherein the method further comprises instantiating the VNF package, and the step of instantiating the VNF package specifically comprises: The NFVO initiates a VNFD information query request to the VNFM, and the VNFM is selected and obtained according to the 5G service ID and slice ID; The NFVO receives an information query response returned by the VNFM, and the information query response includes the information and variable parameters of the VNFD; The NFVO sends an instantiated VNF request to the VNFM, and the instantiated VNF request includes a VNF name, a VNFD ID, a variable parameter, and an extended Extention; The NFVO receives the created instantiated task returned by the VNFM; The NFVO receives the resource authorization request sent by the VNFM, and the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the The resource authorization request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource virtual machine list, and the mapping relationship between the virtual machine and the container; The NFVO selects the VIM according to the private network policy, and returns the VIMID and the Tenant ID to the VNFM; The NFVO receives a request for creating a virtual resource sent by the VNFM; The NFVO creates the required virtual resources in the specified VIM; receiving, by the NFVO, a request for notification of changes in the resources of the VIM; The NFVO returns a resource change response to the VIM; The NFVO receives the notification message of the virtual resources contained in the VNF sent by the VNFM after the resource creation is successful and the VNF instantiation is successful; The NFVO returns a response to the VNFM. 9. The method for instantiating VNF upload according to claim 8, wherein the method further comprises: The VNFM sends information of the instantiated VNF to the EMS, including the 5G service ID, NF ID and sliceID of the VNF; The EMS adds the instantiated VNF to the management object list of the private network to which it belongs according to the 5G service ID, NF ID and slice ID of the VNF, and stores the logical mapping relationship between services and network elements. 10. The method for instantiating VNF upload according to claim 9, wherein the method further comprises: The EMS configures application parameters for the VNF. 11. A virtualized network function VNF upload instantiation device, characterized in that, applied to the network function virtualization orchestrator NFVO, comprising: A receiving module, configured to receive the uploaded VNF package, the virtualized network function module descriptor VNFD of the VNF package carries a deployment mode indication, and the deployment mode indication instruction adopts one of the following deployment modes: based on a bare metal container Deployment, based on virtual machine container deployment, based on virtual machine deployment; The inspection and verification module is used to inspect and verify the VNF package, and after the inspection and verification pass, assign a corresponding package identifier to the VNF package, and add the VNF subdirectory to be loaded in the local directory; a delivery module, configured to deliver the image file in the VNF package to the designated virtual infrastructure management VIM according to the information carried in the VNFD; The setting module is used for the NFVO to set the state of the VNF package to Enable after the image file is successfully delivered. 12. The apparatus for instantiating VNF uploading according to claim 11, further comprising: The subscription relationship checking module is used to check the subscription relationship of the VNF package, and if there is a subscription relationship of the VNF package, distribute the VNF package to the virtual network function management VNFM. 13. The apparatus for instantiating VNF uploading according to claim 11, wherein when the deployment mode indication indicates that deployment based on bare metal containers is adopted, the VNFD further carries at least one of the following information: Container identification ID, container name, container description, 5G service service ID, 5G network function NF ID, slice ID, the slice ID indicates one or more private networks to which it belongs; When the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the VNFD also carries at least one of the following information: Virtual machine ID, virtual machine description, container ID, container description, mapping relationship between virtual and container, 5G service ID, 5GNF ID, slice ID; When the deployment mode indication indicates that virtual machine-based deployment is adopted, the VNFD also carries at least one of the following information: Virtual machine ID, virtual machine description, 5G service ID, 5G NF ID, slice ID. 14 . The apparatus for instantiating VNF uploading according to claim 11 , wherein the NFVO stores a mapping relationship between the VIM and the private network to which it belongs. 15 . 15. The apparatus for instantiating VNF uploading according to claim 14, wherein when the deployment mode indication indicates that deployment based on virtual machine containers is adopted, the apparatus further comprises: A sending module, configured to send a private network policy to the VIM corresponding to the private network according to the mapping relationship when instantiating the VNF in the private network, instructing the VIM to create the required virtual resources, and the private network policy indicates First check whether there is a virtual machine that has been pulled up. If there is, select the virtual machine of the required specification to create the container. If not, pull up the virtual machine first, and then create the container. 16. The apparatus for instantiating VNF uploading according to claim 15, wherein the private network policy is stored in the NFVO. The apparatus for instantiating VNF uploading according to claim 13, wherein the mapping relationship between the 5G service ID and the 5GNF ID is stored in the NFVO and the EMS. 18. The VNF upload instantiation apparatus according to claim 13, wherein the apparatus further comprises an instantiation module, and the instantiation module is specifically used for: Initiate a VNFD information query request to the VNFM, where the VNFM is selected and obtained according to the 5G service ID and slice ID; receiving an information query response returned by the VNFM, where the information query response includes VNFD information and variable parameters; Send an instantiated VNF request to the VNFM, where the instantiated VNF request includes a VNF name, a VNFD ID, a variable parameter, and an extended Extention; receiving the created instantiated task returned by the VNFM; Receiving the resource authorization request sent by the VNFM, the resource authorization request is obtained after the VNFM parses the VNFD and variable parameters in the VNF package, analyzes the VNF instantiation deployment method and the required virtual resources, and the resource authorization The request carries at least one of the following information: the required resource container list; the required resource virtual machine list; the required resource container list, the resource virtual machine list, and the mapping relationship between the virtual machine and the container; Select a VIM according to the private network policy, and return the VIMID and Tenant ID to the VNFM; receiving a request for creating a virtual resource sent by the VNFM; Create the required virtual resources in the specified VIM; receiving a request for notification of changes in the resources of the VIM; returning a resource change response to the VIM; Receive the notification message of the virtual resource contained in the VNF sent by the VNFM after the resource is successfully created and the VNF is instantiated successfully; A response is returned to the VNFM. 19. A network function virtualization orchestrator, comprising: a memory, a processor, and a computer program stored in the memory and running on the processor, the computer program being executed by the processor to achieve: Steps in the method for instantiating a virtualized network function VNF upload according to any one of claims 1 to 10. 20. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program according to any one of claims 1 to 10 is implemented. Steps in the Virtualized Network Function VNF Upload Instantiation Method.

Images