CN109347661A - The instantiation method and device of consumer VNF - Google Patents
The instantiation method and device of consumer VNF Download PDFInfo
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Abstract
The embodiment of the present invention discloses the instantiation method and device of consumer VNF a kind of, is related to field of communication technology, for solving the technical issues of providing PaaS service without normal direction VNF in NFV in the prior art.This method comprises: virtual network shelf manager VNFM receives the instantiation request for consumer's virtual network function VNF that network function virtualization coordinator NFVO is sent；The instantiation request of consumer VNF carries the consumer VNFD of consumer VNF；VNFM determines that the corresponding target platform of consumer VNF services PaaS service according to consumer VNFD；VNFM obtains the mark of target PaaS service；VNFM obtains the PaaS information on services of the corresponding PaaS Service Instance of mark of target PaaS service according to the mark that target PaaS is serviced.The present invention provides PaaS service to VNF for realizing in NFV.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to an instantiation method and device of a consumer VNF.
Background
NFV (Network Functions Virtualization) refers to a Technology for carrying various Network Functions by employing servers, memories, and switches by means of standard IT (internet Technology) Virtualization Technology. The NFV can enable the realization of network functions to be independent of traditional special hardware, enable the resource use and the development and deployment of services to be more flexible and efficient, and meanwhile, the NFV also has a network element self-healing function, and improves the reliability and the robustness of network elements.
The platform as a service PaaS is a service providing the running and development environment of the application service to the user, and has the advantages of high running efficiency, complete functions, low cost and the like when facing the user. Currently, NFV gradually evolves toward a service-oriented direction, but a technology for introducing PaaS service into NFV does not appear yet, so that PaaS service cannot be provided to VNF in NFV.
Disclosure of Invention
The embodiment of the invention provides an instantiation method and device of a consumer VNF (virtual network function), which are used for solving the technical problem that a PaaS (platform as a service) service cannot be provided for the VNF in an NFV (network function virtualization) in the prior art.
In a first aspect, a method of instantiation of a consumer VNF is provided, comprising: the virtual network layer manager VNFM receives an instantiation request of a consumer virtual network function VNF sent by a network function virtualization coordinator NFVO; the instantiation request of the consumer VNF carries the consumer VNFD of the consumer VNF;
the VNFM determines a target platform, namely service PaaS service, corresponding to the VNF of the consumer according to the VNFD of the consumer;
the VNFM acquires an identifier of a target PaaS service;
and the VNFM acquires PaaS service information of a PaaS service instance corresponding to the identifier of the target PaaS service according to the identifier of the target PaaS service.
Therefore, in the instantiation method of the consumer VNF provided by the present invention, a PaaS service management component can be deployed in a VNFM of an NFV, and a PaaS service instance PaaS VNF can be deployed in a VNF layer, an instantiation request of a consumer VNFD carrying the consumer VNF is sent to a VNFM through an NFVO, the VNFM determines a target PaaS service corresponding to the consumer VNF according to the consumer VNFD, and obtains PaaS service information of the PaaS service instance corresponding to an identifier of the target PaaS service through the PaaS service management component, so as to trigger the VNFM to instantiate the consumer VNF. And the customer VNF acquires the PaaS service information from the VNFM, and is automatically connected with the PaaS service instance through a message bus according to the PaaS service information so as to call the PaaS service instance corresponding to the target PaaS service identifier. The independent VNFM and PaaS service instances are created based on the cloud native technology, so that the deployment tends to be light-weight, the deployment is flexible, and the reuse rate and the utilization rate of resources can be effectively improved.
Optionally, before the VNFM acquires, according to the identifier of the target PaaS service, PaaS service information of a PaaS service instance corresponding to the identifier of the target PaaS service, the instantiation method of the VNF of the consumer further includes:
the VNFM judges whether the PaaS service corresponding to the target PaaS service identifier is not instantiated;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier by the VNFM.
Optionally, the target PaaS service includes: public PaaS services and private PaaS services;
before the VNFM determines whether the PaaS service corresponding to the identifier of the target PaaS service is not instantiated, the instantiation method of the consumer VNF further includes:
the VNFM judges whether the target PaaS service is a special PaaS service;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier by the VNFM.
Optionally, the instantiation method of the consumer VNF further comprises:
a Virtual Infrastructure Manager (VIM) receives a virtual resource request sent by a VNFM; the virtual resource request carries virtual resource information of VNFM instantiation consumers VNF;
the VIM allocates virtual resources for the VNFM according to the virtual resource information;
the VIM sends the virtual resource allocation information to a Network Function Virtualization Infrastructure (NFVI);
the NFVI provides virtual resources for VNFM instantiated consumer VNFs according to the virtual resource allocation information.
In a second aspect, an instantiation apparatus of a consumer VNF is provided, comprising: VNFM;
the VNFM is used for receiving an instantiation request of a VNF of a consumer sent by the NFVO; the instantiation request of the consumer VNF carries the consumer VNFD of the consumer VNF;
the VNFM is used for determining a target platform, namely service PaaS service, corresponding to the VNF of the consumer according to the VNFD of the consumer;
the VNFM is used for acquiring the mark of the target PaaS service;
and the VNFM is also used for acquiring PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier according to the target PaaS service identifier.
Optionally, the VNFM is further configured to:
judging whether the PaaS service corresponding to the target PaaS service identifier is not instantiated;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier.
Optionally, the target PaaS service includes: public PaaS services and private PaaS services;
the VNFM is also used to:
judging whether the target PaaS service is a special PaaS service or not;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier.
Optionally, the instantiation device of the consumer VNF further comprises: VIM and NFVI; wherein,
the VIM is used for receiving the virtual resource request sent by the VNFM; the virtual resource request carries virtual resource information of VNFM instantiation consumers VNF;
the VIM is used for distributing virtual resources for the VNFM according to the virtual resource information;
the VIM is further used for sending the virtual resource allocation information to a Network Function Virtualization Infrastructure (NFVI);
and the NFVI is used for providing virtual resources for the VNFM instantiation consumer VNF according to the virtual resource allocation information.
In a third aspect, an instantiation device of a consumer VNF is provided, comprising one or more processors; the processor is configured to execute computer program code in the memory, the computer program code comprising instructions to cause the instantiation of a consumer VNF to the method for instantiation of a consumer VNF of the first aspect described above.
In a fourth aspect, there is provided a storage medium comprising: the storage medium stores instruction code for performing the instantiation method of the consumer VNF as described above in the first aspect.
In a fifth aspect, a computer product is provided, comprising: the computer program product comprises instruction code for performing the instantiation method of the consumer VNF of the first aspect described above.
It can be understood that the instantiation apparatus, the storage medium, and the computer product of the consumer VNF are configured to execute the method according to the first aspect, and therefore, the beneficial effects achieved by the instantiation apparatus, the storage medium, and the computer product of the consumer VNF refer to the beneficial effects of the method according to the first aspect and the corresponding schemes in the following detailed description, and are not described herein again.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and the drawings are only for the purpose of illustrating preferred embodiments and are not to be considered as limiting the present invention.
Fig. 1 shows a schematic structural diagram of the NFV standard architecture;
fig. 2 illustrates a schematic diagram of an NFV PaaS service architecture of a consumer VNF according to an embodiment of the present invention;
figure 3 illustrates a method flow diagram of an instantiation method of a consumer VNF provided by an embodiment of the present invention;
figure 4 illustrates a method flow diagram of another method of instantiation of a consumer VNF provided by an embodiment of the present invention;
figure 5a illustrates a reference relationship diagram of NSD in an instantiation method of a consumer VNF according to an embodiment of the present invention;
FIG. 5b illustrates a diagram of the reference relationship of NSD in another instantiation method of a consumer VNF according to an embodiment of the present invention;
figure 6 shows a functional block diagram of an instantiation device of a consumer VNF, according to an embodiment of the present invention;
fig. 7 shows a functional structure block diagram of an instantiation device of a consumer VNF according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The embodiment of the invention is realized by expanding the NFV standard architecture. Before the embodiments of the present invention are described, a brief description of the NFV standard architecture is first given. Fig. 1 shows a schematic structural diagram of an NFV standard architecture, and as shown in fig. 1, the NFV standard architecture includes: OSS (Operation support system)/BSS (Business support system), EM (Entity Manager), VNF (virtualized Network Function), NFVI (Network Function virtualization Infrastructure), NFVO (Network Function virtualization editor), VNFM (virtualized Network Function Manager), and VIM (virtualized Infrastructure Manager).
The OSS/BSS is an original management device of an operator, and is configured to manage each network element in a network. Network elements in the network implement network function virtualization through EM, VNF, NFVI, NFVO, VNFM, and VIM.
Wherein, NFVI includes from the bottom layer upwards in proper order: physical Hardware resources (Hardware resources), virtualization Layer (virtualization Layer), and Virtual resources (Virtual resources). The physical Hardware resources may include a server (Computing Hardware), a Storage (Storage Hardware), and a network device (network Hardware); the Virtual resources may include Virtual machines (Virtual Computing), Virtual storage (Virtual storage), and Virtual Network resources (Virtual Network).
The NFVI connects VNFs upward, and the VNFs run based on virtual resources included in the NFVI to implement corresponding network functions. There may be multiple VNFs, each VNF has a corresponding VNFD (VNF Descriptor, VNF template), and the VNFD includes all information of the VNF.
EM is used to manage VNF. There may be multiple EMs, and each VNF has a corresponding EM to manage the VNF.
The VNFM is used for managing the lifecycle of each VNF, including invoking the VIM and creating, maintaining, or terminating the VNF according to the VNFD; and monitoring the VNF, performing network element self-healing and capacity expansion and reduction on the VNF, and the like.
The VIM is respectively connected with the NFVI, the VNFM and the NFVO through message buses. The VIM is used for managing the NFVI, such as managing the authority of the NFVI, adding/recovering resources of VNF in the NFVI, analyzing the failure of the NFVI, collecting information of the NFVI, and the like. There may be multiple NFVIs under one NFV architecture, and each NFVI has a corresponding VIM for management, so the number of VIMs may be multiple.
The NFVO is connected with the VNFM and the VIM, and the NFVO is also connected with the OSS/BSS through a message bus, and is used for sending configuration information to the VNFM according to the information sent by the OSS/BSS so as to control the VNFM to manage the life cycle of the VNF, and sending the configuration information to the VIM so as to control the VIM to manage the NFVI. NFVO operates based on NSD (NS Descriptor) of NS (Network Service, not shown in the figure).
Currently, NFV gradually evolves toward a service-oriented direction, but a technology for introducing PaaS service into NFV does not appear yet, so that PaaS service cannot be provided to VNF in NFV. In order to solve the above problem, the present invention provides an instantiation method of a consumer VNF, so as to provide PaaS service to the consumer VNF in NFV.
The instantiation method of the VNF of the consumer is realized based on the NFV PaaS service architecture. Fig. 2 shows a schematic diagram of an NFV PaaS service architecture of a consumer VNF, which is provided in an embodiment of the present invention, and as shown in fig. 2, the NFV PaaS service architecture includes: a customer VNF (corresponding to the customer VNF instance in fig. 2), PaaS service instance, and VNFM.
The PaaS service instances are uniformly modeled into a PaaS VNF, and the PaaS VNF is deployed in a VNF layer of the NFV. The PaaS VNF and the VNF in the NFV can interact with each other in information and are deployed together with the NFVI. A PaaS service management component is deployed in the VNFM, and the VNFM manages the PaaS service instance (namely: PaaS VNF) through the PaaS service management component deployed in the VNFM.
Specifically, the number of PaaS service instances may be one or more, and the VNFM manages the one or more PaaS service instances through a PaaS service management component deployed therein; meanwhile, the VNFM instantiates the PaaS service through the PaaS service management component deployed therein to generate a PaaS service instance. The PaaS service instance provides a call interface to a consumer VNF (corresponding to the consumer VNF instance in fig. 2), so that the consumer VNF calls the corresponding PaaS service instance through the call interface to obtain the corresponding PaaS service. In a specific implementation, the interface may be an API interface or other interface capable of implementing a call function. The VNFM is respectively coupled to the PaaS service instance and the consumer VNF, and the consumer VNF may obtain information of the PaaS service instance, for example, information such as an address of the PaaS service instance, through the VNFM, so as to call the corresponding PaaS service instance from the call interface according to the information of the PaaS service instance. Each consumer VNF has a corresponding consumer VNFD that contains all the information of the consumer VNF. The VNFM is used to manage the life cycle of the consumer VNF through the consumer VNFD, for example, call the VIM and create, maintain, or terminate the VNF according to the consumer VNFD; and monitoring the VNF, performing network element self-healing and capacity expansion and reduction on the VNF, and the like. The management for PaaS VNF is similar to that of VNF, i.e. PaaS service is managed by PaaS VNFD in VNFM.
The VNFM management of PaaS service instances may include: service life cycle management, service directory management, service configuration management, service statistics and monitoring, service security and metering management, and the like. The service life cycle management can include query, registration, release, logout and the like of the PaaS service; the service directory management can comprise access list management of the PaaS service, calling of a full view of the configured PaaS service and the like; the service configuration management can include updating, writing, deleting and the like of configuration information of the PaaS service; the service statistics and monitoring may include statistics of information called by the PaaS service, monitoring execution of the PaaS service, and the like; the service security and metering management may include management of access rights to the PaaS service, management of information security of the PaaS service, auditing of the PaaS service, and so forth.
In a specific implementation, it is preferable to model the PaaS VNF and the PaaS service management component based on a cloud native container technology, package and deploy the PaaS VNF in a VNF layer of the NFV in a micro service architecture, and package and deploy the PaaS service management component in a VNFM of the NFV in a micro service architecture. The micro-service architecture has a light weight and can lead the deployment to be light, the micro-service architecture has the characteristic of independent expansion and deployment, and the coupling among all micro-services is loose coupling, so that the functional components in the micro-service architecture and the micro-service architectures can be flexibly combined and matched during the deployment; meanwhile, the micro service architectures are deployed based on the cloud native technology, centralized management of the micro service architectures can be achieved, resources of the micro service architectures are coordinated and distributed, and the reuse rate and the utilization rate of the resources are effectively improved.
Based on the NFV PaaS service architecture, as shown in fig. 3, the instantiation method of the consumer VNF provided by the present invention includes the following steps:
step S310: the VNFM receives an instantiation request of a consumer virtual network function VNF sent by the NFVO, wherein the instantiation request of the consumer VNF carries a consumer VNFD of the consumer VNF.
Specifically, the customer VNFD includes information related to the target PaaS service requested by the customer VNF, such as an ID of the target PaaS service, a name of the target PaaS service, and a type of the target PaaS service.
Step S320: and the VNFM determines a target PaaS service corresponding to the VNF of the consumer according to the VNFD of the consumer.
Specifically, the VNFM determines, according to the information related to the target PaaS service requested by the instantiation of the consumer VNF, the target PaaS service corresponding to the consumer VNF.
Step S330: the VNFM acquires the identification of the target PaaS service. In a specific implementation, the identifier of the target PaaS service may be an ID of the target PaaS service.
Step S340: and the VNFM acquires PaaS service information of a PaaS service instance corresponding to the identifier of the target PaaS service according to the identifier of the target PaaS service.
And the VNFM determines a PaaS service instance corresponding to the target PaaS service identifier according to the PaaS VNFD and the target PaaS service identifier, acquires PaaS service information of the PaaS service instance corresponding to the target PaaS service identifier according to the PaaS VNFD of the PaaS service instance, returns the PaaS service information to the VNFM, and triggers the VNFM to instantiate the consumer VNF. And the consumer VNF acquires the PaaS service information from the VNFM, and is automatically connected with the PaaS service instance through a message bus according to the PaaS service information so as to call the PaaS service instance corresponding to the target PaaS service identifier and finish instantiation of the consumer VNF. In a specific implementation, the PaaS service information may be an access address of a PaaS service instance.
Therefore, in the instantiation method of the consumer VNF provided by the present invention, a PaaS service management component can be deployed in a VNFM of an NFV, and a PaaS service instance PaaS VNF can be deployed in a VNF layer, an instantiation request of a consumer VNFD carrying the consumer VNF is sent to a VNFM through an NFVO, the VNFM determines a target PaaS service corresponding to the consumer VNF according to the consumer VNFD, and obtains PaaS service information of the PaaS service instance corresponding to an identifier of the target PaaS service through the PaaS service management component, so as to trigger the VNFM to instantiate the consumer VNF. And the customer VNF acquires the PaaS service information from the VNFM, and is automatically connected with the PaaS service instance through a message bus according to the PaaS service information so as to call the PaaS service instance corresponding to the target PaaS service identifier. The independent VNFM and PaaS service instances are created based on the cloud native technology, so that the deployment tends to be light-weight, the deployment is flexible, and the reuse rate and the utilization rate of resources can be effectively improved.
Figure 4 illustrates another method of instantiation of a consumer VNF as provided by the present invention. As shown in fig. 4, the method includes the steps of:
step S410: the VNFM receives an instantiation request of a consumer virtual network function VNF sent by the NFVO, wherein the instantiation request of the consumer VNF carries a consumer VNFD of the consumer VNF.
The execution process of this step is the same as step S310, and specifically refer to the corresponding description in step S310, which is not described herein again.
Step S420: and the VNFM determines a target PaaS service corresponding to the VNF of the consumer according to the VNFD of the consumer.
Step S430: the VNFM judges whether the target PaaS service is a special PaaS service.
Wherein, the service request message at least carries: identification of the target PaaS service and type of the target PaaS service. The types of the target PaaS service include: public PaaS services and private PaaS services. The public PaaS service is a PaaS service provided for all the VNFs of the consumers, such as a load balancing service, a security detection service, a database service, or the like; the dedicated PaaS service is a PaaS service provided to a VNF of a specified consumer, for example, a Web service. In this step, the VNFM determines whether the PaaS service corresponding to the identifier of the target PaaS service is a dedicated PaaS service; if the determination result is negative, go to step S440; if yes, go to step S460.
Specifically, whether the PaaS service corresponding to the identifier of the target PaaS service is the dedicated PaaS service is determined according to the type of the target PaaS service included in the service request message.
If the PaaS service corresponding to the identifier of the target PaaS service is not a dedicated PaaS service, that is, the PaaS service corresponding to the identifier of the target PaaS service is a public PaaS service, executing step S440; if the PaaS service corresponding to the target PaaS service identifier is the special PaaS service, executing step S450;
here, it should be noted that this step is an optional step, and when this step is not executed, step S440 may be executed directly after step S420 is executed.
Step S440: the VNFM determines whether the PaaS service corresponding to the identifier of the target PaaS service is not instantiated, if the determination result is yes, step S450 is executed, and if the determination result is no, step S460 is executed.
Specifically, in the case of executing step S430, if the PaaS service corresponding to the identifier of the target PaaS service is a public PaaS service, in this step, the VNFM may search, according to the identifier of the target PaaS service carried in the service request message, whether a PaaS service instance of the public PaaS service corresponding to the identifier of the target PaaS service exists in the local database, and if the PaaS service instance exists, it is determined that the PaaS service corresponding to the identifier of the target PaaS service is instantiated, then step S460 is executed;
if the target PaaS service does not exist, the fact that the PaaS service instance of the public PaaS service corresponding to the identifier of the target PaaS service is not contained in the local service management component is shown, the service request message is sent to the service registration database in one step to request the PaaS service instance of the public PaaS service from the service registration database, the service request feedback message fed back by the service registration database is received, and whether the PaaS service corresponding to the identifier of the target PaaS service is not instantiated or not is judged according to the service request feedback message.
In specific implementation, whether the service request feedback message contains PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier can be judged; if not, the PaaS service corresponding to the identifier of the target PaaS service is not instantiated, and step S450 is executed; if yes, it indicates that the PaaS service corresponding to the target PaaS service identifier is instantiated, and step S460 is executed.
Of course, it may be understood that, in the case that step S430 is not performed, it may also be performed to directly search whether PaaS service information of a PaaS service instance corresponding to the identifier of the target PaaS service exists in a local service management component or a service registration database, if the PaaS service information does not exist, it is indicated that the PaaS service corresponding to the identifier of the target PaaS service is not instantiated, step S450 is performed, otherwise, step S460 is performed.
Step S450: and the VNFM instantiates the PaaS service corresponding to the target PaaS service identifier.
Step S460: and the VNFM returns PaaS service information of the PaaS service instance corresponding to the target PaaS service identifier to the VNFM.
Specifically, the VNFM acquires PaaS service information of a PaaS service instance corresponding to the identifier of the target PaaS service from the PSD corresponding to the target PaaS service according to the identifier of the target PaaS service, and returns the PaaS service information to the VNFM to trigger the VNFM to instantiate the consumer VNF.
The process of VNFM instantiating the consumer VNF may be: a virtual resource request sent by the VNFM to the virtualized infrastructure manager VIM, where the virtual resource request carries instantiation information of a VNFM instantiation consumer VNF, such as a data size and a data type of an operating consumer VNF; after receiving a virtual resource request sent by the VNFM, the VIM generates virtual resource allocation information for the VNFM according to the instantiation information, where the virtual resource allocation information includes information of virtual resources allocated by the VIM to VNFM instantiation consumer VNFs, such as the size of an allocated memory of a virtual machine; the VIM sends the virtual resource allocation information to the network function virtualization infrastructure NFVI for the NFVI to provide virtual resources for the VNFM instantiated consumer VNF according to the virtual resource allocation information.
Optionally, the NFVI may also provide virtual resources for VNFM instantiation PaaS VNFs, and a specific implementation manner may refer to the implementation process of providing virtual resources for VNFM instantiation consumer VNFs according to the virtual resource allocation information by using the NFVI, which is not described herein again.
In addition, NFVO runs based on NSD of NS. Then in an embodiment of the present invention, the dependency between the customer VNF and the PaaS service is described in the VNFD. And determining the reference relation of the NSD according to whether the PaaS VNF bearing the PaaS service can see the NS or not.
If the PaaS VNF is visible to the NS, the dependency relationship between the PaaS VNF and the consumer VNF may be specified in the NSD, and the reference relationships between the NSD and the PaaS VNFD of the PaaS VNF and the reference relationships between the NSD and the consumer VNFD of the consumer VNF are shown in fig. 5a, and the NSD may directly reference the consumer VNFD of the consumer VNF; or the NSD may directly reference the PaaS VNFD of the PaaS VNF. Wherein the public PaaS service is modeled as a PaaS service instance created within an NS instance.
If the PaaS VNF is not visible to the NS, the reference relationship between the NSD and the PaaS VNFD of the PaaS VNF and the reference relationship between the NSD and the consumer VNFD of the consumer VNF are shown in fig. 5b, where the NSD only references the consumer VNFD of the consumer VNF, and the consumer VNFD references the PaaS VNFD of the PaaS VNF. The dependency of a consumer VNF on a PaaS service is specified as a constraint within the VNFD of the consumer VNF, e.g., the PaaS VNFD of the corresponding PaaS VNF is referenced by the VNFD of the consumer VNF.
Therefore, in the process of instantiating the VNF of the consumer, the embodiment of the invention can also instantiate the PaaS service; meanwhile, the invention can further provide public PaaS service and special PaaS service for the VNF of the consumer, and instantiate the PaaS service aiming at the public PaaS service and the special PaaS service respectively, so as to achieve the purpose of providing various different types of PaaS service for the VNF of the consumer on the basis of instantiating the PaaS service.
Figure 6 shows a functional structure diagram of an instantiation device of a consumer VNF provided by the present invention. As shown in fig. 6, the instantiation apparatus of the consumer VNF includes: VNFM, VIM, and NFVI; wherein,
the VNFM is used for receiving an instantiation request of a consumer VNF sent by the NFVO, wherein the instantiation request of the consumer VNF carries a consumer VNFD of the consumer VNF; the VNFM determines a target PaaS service corresponding to the VNF of the consumer according to the VNFD of the consumer; the VNFM is also used for acquiring an identifier of the target PaaS service; and the VNFM is also used for acquiring PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier according to the target PaaS service identifier.
Optionally, the VNFM is further configured to: judging whether the PaaS service corresponding to the target PaaS service identifier is not instantiated; and if so, instantiating the PaaS service corresponding to the target PaaS service identifier by the VNFM.
Optionally, the types of the target PaaS service include: public PaaS services and private PaaS services; the VNFM is also used to: judging whether the PaaS service corresponding to the identification of the target PaaS service is a special PaaS service or not; and if so, instantiating the PaaS service corresponding to the target PaaS service identifier.
The VIM is used for receiving the virtual resource request sent by the VNFM; the virtual resource request carries instantiation information of VNFM instantiation consumers VNF; and for generating virtual resource allocation information from the instantiation information; and for sending the virtual resource allocation information to the network function virtualization infrastructure NFVI.
And the NFVI is used for providing virtual resources for the VNFM instantiation consumer VNF according to the virtual resource allocation information.
Optionally, the NFVI may be further configured to provide virtual resources for the VNFM instantiation PaaS VNF according to the virtual resource allocation information.
The OSS/BSS may refer to the corresponding description in the above method embodiments, and is not described herein again.
In case of integrated modules, the instantiation means of the consumer VNF comprises: the device comprises a storage unit, a processing unit and an interface unit. The processing unit is configured to control and manage actions of the instantiation device of the consumer VNF, for example, the processing unit is configured to support the instantiation device of the consumer VNF to perform steps in fig. 3 and fig. 4. The interface unit is used for interaction of an instantiation device of the consumer VNF with other devices; a storage unit to store instantiated device code and data of the consumer VNF.
For example, the processing unit is a processor, the storage unit is a memory, and the interface unit is a communication interface. The instantiation apparatus of the consumer VNF is shown in fig. 7, and includes a communication interface 701, a processor 702, a memory 703, and a bus 704, where the communication interface 701 and the processor 702 are connected to the memory 703 through the bus 704.
The processor 702 may be a general-purpose Central Processing Unit (CPU), a microprocessor, an Application-Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to control the execution of programs in accordance with the teachings of the present disclosure.
The Memory 703 may be a Read-Only Memory (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to such. The memory may be self-contained and coupled to the processor via a bus. The memory may also be integral to the processor.
The memory 703 is used for storing application program codes for executing the present application, and is controlled by the processor 702. Communication interface 701 is used to support interaction of instantiated devices of a consumer VNF with other devices. The processor 702 is configured to execute application program code stored in the memory 703 to implement the methods of embodiments of the present invention.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or in software instructions executed by a processor. Embodiments of the present invention also provide a storage medium, which may include a memory for storing computer software instructions for an instantiation device of a consumer VNF, the computer software instructions including program code designed to perform a method of instantiation of the consumer VNF. Specifically, the software instructions may be composed of corresponding software modules, and the software modules may be stored in a Random Access Memory (RAM), a flash Memory, a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a register, a hard disk, a removable hard disk, a compact disc Read Only Memory (CD-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or in software instructions executed by a processor. Embodiments of the present invention also provide a storage medium, which may include a memory for storing computer software instructions for an instantiation device of a consumer VNF, the computer software instructions including program code designed to perform a method of instantiation of the consumer VNF. Specifically, the software instructions may be composed of corresponding software modules, and the software modules may be stored in a Random Access Memory (RAM), a flash Memory, a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a register, a hard disk, a removable hard disk, a compact disc Read Only Memory (CD-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor.
Embodiments of the present invention further provide a computer program, where the computer program may be directly loaded into a memory and contains a software code, and the computer program is loaded and executed by a computer, so as to implement the instantiation method of the consumer VNF.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. An instantiation method of a consumer VNF, comprising:
the virtual network layer manager VNFM receives an instantiation request of a consumer virtual network function VNF sent by a network function virtualization coordinator NFVO; the instantiation request of the consumer VNF carries a consumer VNFD for the consumer VNF;
the VNFM determines a target platform, namely a service PaaS service, corresponding to the consumer VNF according to the consumer VNFD;
the VNFM acquires an identifier of the target PaaS service;
and the VNFM acquires PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier according to the target PaaS service identifier.
2. The method for instantiating a consumer VNF according to claim 1, wherein before the VNFM obtains PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier according to the target PaaS service identifier, the method further includes:
the VNFM judges whether the PaaS service corresponding to the target PaaS service identifier is not instantiated;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier by the VNFM.
3. The consumer VNF instantiation method of claim 2, wherein the target PaaS service comprises: public PaaS services and private PaaS services;
before the VNFM determines whether the PaaS service corresponding to the identifier of the target PaaS service is not instantiated, the method further includes:
the VNFM judges whether the target PaaS service is a special PaaS service;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier by the VNFM.
4. The consumer VNF instantiation method of any one of claims 1-3, wherein the method further comprises:
a Virtual Infrastructure Manager (VIM) receives a virtual resource request sent by the VNFM; the virtual resource request carries virtual resource information of the VNFM instantiated VNF of the consumer;
the VIM allocates virtual resources for the VNFM according to the virtual resource information;
the VIM sends the virtual resource allocation information to a Network Function Virtualization Infrastructure (NFVI);
the NFVI provides virtual resources for the VNFM to instantiate the consumer VNF according to the virtual resource allocation information.
5. An instantiation device of a consumer VNF, comprising: VNFM; wherein,
the VNFM is used for receiving an instantiation request of a VNF of a consumer sent by the NFVO; the instantiation request of the consumer VNF carries a consumer VNFD for the consumer VNF;
the VNFM is used for determining a target platform, namely a service PaaS service corresponding to the consumer VNF according to the consumer VNFD;
the VNFM is used for acquiring an identifier of the target PaaS service;
and the VNFM is also used for acquiring PaaS service information of a PaaS service instance corresponding to the target PaaS service identifier according to the target PaaS service identifier.
6. Instantiation device of a consumer VNF according to claim 5, characterised in that the VNFM is further adapted to:
judging whether the PaaS service corresponding to the target PaaS service identifier is not instantiated;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier.
7. Instantiation device of a consumer VNF according to claim 6, characterised in that the target PaaS service comprises: public PaaS services and private PaaS services;
the VNFM is further configured to:
judging whether the target PaaS service is a special PaaS service or not;
and if so, instantiating the PaaS service corresponding to the target PaaS service identifier.
8. Instantiation arrangement of a consumer VNF according to any of the claims 5-7, characterized in that the system further comprises: VIM and NFVI; wherein,
the VIM is used for receiving a virtual resource request sent by the VNFM; the virtual resource request carries virtual resource information of the VNFM instantiated VNF of the consumer;
the VIM is used for allocating virtual resources to the VNFM according to the virtual resource information;
the VIM is further configured to send the virtual resource allocation information to a Network Function Virtualization Infrastructure (NFVI);
the NFVI is configured to provide virtual resources for instantiating the consumer VNF for the VNFM according to the virtual resource allocation information.
9. An instantiation device of a consumer VNF, comprising: one or more processors; the processor is configured to execute computer program code in the memory, the computer program code comprising instructions to cause the instantiation means of the consumer VNF to perform the instantiation method of the consumer VNF as claimed in any one of claims 1-4.
10. A storage medium storing instruction code for performing the method of instantiation of a consumer VNF according to any one of claims 1-4.
11. A computer program product, characterized in that the computer program product comprises instruction code for performing the instantiation method of a consumer VNF as claimed in any of claims 1-4.
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