WO2016165470A1 - Vnf实例的处理方法、装置及vnfm - Google Patents

Vnf实例的处理方法、装置及vnfm Download PDF

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Publication number
WO2016165470A1
WO2016165470A1 PCT/CN2016/073954 CN2016073954W WO2016165470A1 WO 2016165470 A1 WO2016165470 A1 WO 2016165470A1 CN 2016073954 W CN2016073954 W CN 2016073954W WO 2016165470 A1 WO2016165470 A1 WO 2016165470A1
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expansion
vnf instance
information
shrinking
expanding
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PCT/CN2016/073954
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English (en)
French (fr)
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刘来军
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中兴通讯股份有限公司
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Publication of WO2016165470A1 publication Critical patent/WO2016165470A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, an apparatus, and a virtual network function management (Virtual Netwoek Function Management, VNFM for short) of a virtual network function (VNF).
  • VNF Virtual Netwoek Function Management
  • the present invention provides a method, a device, and a VNFM for processing a VNF instance, so as to solve at least the problem that the virtual network element cannot be rapidly deployed and flexibly adjusted in the related art.
  • a method for processing a virtual network function VNF instance including: obtaining a value of a monitoring parameter that affects a scale expansion of the VNF instance; and determining that the value of the monitoring parameter is used in a shrinkage expansion strategy Right And the VNF instance is subjected to a shrinkage expansion process according to the shrinking and expanding policy.
  • the shrinking and expanding strategy is a policy created in advance on the virtual network function management VNFM, and/or a policy pre-created on the network function virtual coordinator NFVO.
  • obtaining a value of the monitoring parameter that affects the scaling of the VNF instance includes: receiving a value of the monitoring parameter sent by a monitoring device for monitoring the monitoring parameter.
  • the shrinking and expanding the VNF instance according to the shrinking and expanding policy includes: determining the shrinking and expanding information of the VNF instance according to the shrinking and expanding policy, where the shrinking and expanding information includes the shrinking and expanding resource information and The expansion and expansion mode information is performed on the VNF instance according to the determined reduced expansion information.
  • determining, according to the condensing and expanding policy, the squeezing and expanding information of the VNF instance includes: acquiring a virtual deployment unit VDU list of the VNF instance; and reading the VDU list according to the condensing capacity policy And the resource expansion configuration information of the VNF of the VTU is determined according to the number of the instances and the resource configuration information.
  • performing the shrinking and shrinking process on the VNF instance according to the determined condensed expansion information includes: sending a resource request request to the virtual infrastructure management VIM of the VDU according to the condensed expansion information, where the resource application Requesting a resource allocation for the VIM to perform a shrinking process on the VDU, and returning the allocated resource information; performing a shrinking process on the VNF instance according to the allocated resource information.
  • the sending a resource request request to the virtual infrastructure management VIM according to the reduced content information includes at least one of: directly sending the resource application request to the VIM according to the reduced content information; and according to the reduced content information Sending a shrink request to the network function virtual coordinator NFVO, wherein the shrink request is used by the NFVO to send the resource request request to the VIM.
  • a processing apparatus for a virtual network function VNF instance including: an obtaining module, configured to acquire a value of a monitoring parameter that affects a scaling of the VNF instance; and a determining module configured to determine the The value of the monitoring parameter reaches the reference value used in the shrinking and expanding policy to reduce the capacity of the VNF instance.
  • the processing module is configured to perform the scaling and expansion processing on the VNF instance according to the shrinking and expanding policy.
  • the shrinking and expanding strategy is a policy created in advance on the virtual network function management VNFM, and/or a policy pre-created on the network function virtual coordinator NFVO.
  • the obtaining module includes: a receiving unit, configured to receive a value of the monitoring parameter sent by a monitoring device for monitoring the monitoring parameter.
  • the processing module includes: a determining unit, configured to determine, according to the condensing and expanding policy, the squashing and expanding information of the VNF instance, where the condensing and expanding capacity information includes the condensed and expanded resource information and the condensed and expanded capacity mode information; And the unit is configured to perform a shrinking process on the VNF instance according to the determined reduced expansion information.
  • the determining unit includes: an obtaining subunit, configured to acquire a virtual deployment unit VDU list of the VNF instance; and a reading subunit, configured to read the requirement in the VDU list according to the shrinking capacity policy The number of instances of the horizontally scaled down expansion of the VDU and the resource configuration information of the vertical scaling and expansion; the determining subunit is configured to determine the VNF instance according to the read the number of instances and the resource configuration information Reduce the expansion information.
  • the processing unit includes: a sending subunit, configured to send a resource request request to the virtual infrastructure management VIM of the VDU according to the reduced content information, where the resource request request is used for the VIM pair
  • the VDU performs the resource allocation of the shrinking and processing process, and returns the allocated resource information.
  • the processing subunit is configured to perform the shrinking and expanding process on the VNF instance according to the allocated resource information.
  • the sending subunit includes at least one of: sending the resource request request directly to the VIM according to the condensing and expanding information; and sending a condensing request to the network function virtual coordinator NFVO according to the condensing and expanding information
  • the shrinking request is used by the NFVO to send the resource request request to the VIM.
  • the device further includes at least one of the following: an update module, configured to update configuration information of the VNF instance, and a recording module configured to record a log according to the processing information of the reduced capacity processing.
  • an update module configured to update configuration information of the VNF instance
  • a recording module configured to record a log according to the processing information of the reduced capacity processing.
  • VNFM virtual network function management
  • the value of the monitoring parameter that affects the scaling and expansion of the VNF instance is determined by the present invention; the value of the monitoring parameter is determined to be a reference value used for scaling down the VNF instance in the shrinking and expanding strategy;
  • the capacity expansion policy of the VNF instance is reduced and the problem of the rapid deployment and flexible adjustment of the virtual network element in the related technologies is solved, thereby achieving the effect of rapidly deploying and flexibly adjusting the virtual network element.
  • FIG. 1 is a flowchart of a method for processing a virtual network function VNF instance according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention
  • FIG. 3 is a structural block diagram of an obtaining module 22 in a processing device of a virtual network function VNF instance according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a processing module 26 in a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a determining unit 42 in a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention
  • FIG. 6 is a structural block of a processing unit 44 in a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention.
  • FIG. 7 is a block diagram showing a preferred structure of a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention.
  • VNFM 8 is a structural block diagram of a virtual network function management VNFM according to an embodiment of the present invention.
  • FIG. 9 is a diagram of an NFV-MANO architecture in an ETSI standard according to an embodiment of the present invention.
  • FIG. 10 is a flowchart of an automatic scaling process of a VNF in a virtualization scenario according to an embodiment of the present invention.
  • FIG. 11 is a flowchart of a VNF instance automatic shrinkage preparation preparation process according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for processing a virtual network function VNF instance according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps. :
  • Step S102 Obtain a value of a monitoring parameter that affects the expansion and expansion of the VNF instance.
  • Step S104 determining that the value of the monitoring parameter reaches a reference value used for scaling down the VNF instance in the shrinkage expansion strategy
  • Step S106 Perform a shrinking process on the VNF instance according to the shrinking and expanding policy.
  • the monitoring parameters may include a system capacity, a central processing unit (CPU) threshold, etc., and the foregoing monitoring parameters may also be other parameters, and the monitoring parameters corresponding to different manufacturers or products are different. .
  • the VNF instance is reduced and expanded according to the shrinkage expansion strategy, thereby achieving the purpose of rapid shrinkage and expansion.
  • the problem that the virtual network element cannot be rapidly deployed and flexibly adjusted in the related technologies can achieve the effect of rapidly deploying and flexibly adjusting the virtual network element.
  • the shrinking and expanding strategy is pre-created on the virtual network function management VNFM, and/or pre-created on the network function virtual orchestrator (NFVO).
  • NFVO network function virtual orchestrator
  • the NFVO may deliver the shrinkage and expansion policy to the VNFM, or the VNFM actively obtains the shrinkage and expansion policy from the NFVO. Therefore, the VNFM can be informed of the shrinkage and expansion policy in time, so that the VNFM can scale down the VNF instance.
  • the foregoing expansion and expansion strategy may also be a policy that is pre-created on other devices.
  • the scaling policy is a policy that is pre-created on other devices
  • the other device may send the shrinking and expanding policy to the VNFM, or the VNFM may actively obtain the shrinking and expanding policy from other devices.
  • obtaining a value of the monitoring parameter that affects the scaling of the VNF instance includes: receiving a value of the monitoring parameter sent by the monitoring device for monitoring the monitoring parameter.
  • the monitoring device to monitor the value of the foregoing monitoring parameter is only an example, and the value of the monitoring parameter may be obtained by other means.
  • the shrinking and expanding the VNF instance according to the shrinking and expanding policy includes: determining, according to the shrinking and expanding policy, the shrinking and expanding information of the VNF instance, where the shrinking and expanding information includes the shrinking and expanding resource information and the shrinking capacity.
  • Mode information The VNF instance is subjected to shrinkage processing according to the determined reduced expansion information.
  • the information about the condensed and expanded resources may include the related parameters of the memory that the VNF instance needs to be retracted or the related parameters of the expanded memory.
  • the simplification and expansion mode information may include a specific squeezing and expanding type, which may be performed.
  • the capacity processing can be performed by performing capacity expansion processing or performing a combination of volume reduction and capacity expansion.
  • determining, according to the shrinking and expanding strategy, the information about the expansion and expansion of the VNF instance includes: obtaining a virtual deployment unit VDU list of the VNF instance; and reading the VDU list according to the shrinking and expanding policy
  • the number of instances of the horizontally scaled-down VDU and the resource configuration information of the vertical scale-up and expansion are determined; the reduced-capacity information of the VNF instance is determined according to the number of instances of the horizontally scaled-down expansion of the VDU and the resource configuration information of the vertical scale-up. That is, the condensed expansion information of the NVF instance is determined by determining the condensed expansion information of each VDU under the VNF instance.
  • the shrinking and expanding the VNF instance according to the determined condensed expansion information includes: sending a resource request request to the virtual infrastructure management VIM of the VDU according to the condensed expansion information, where the resource request request is used for The VIM performs the resource allocation of the VDU on the shrinkage processing process, and returns the allocated resource information.
  • the VNF instance is subjected to the expansion and expansion processing according to the resource information allocated.
  • the requesting the VIM to send the resource request to the virtual infrastructure according to the shrinking and expanding information includes at least one of: directly sending a resource request request to the VIM according to the reduced content information; and the network is expanded according to the reduced content information.
  • the function virtual coordinator NFVO sends a downsizing request, wherein the convolution request is used by the NFVO to send the resource request request to the VIM.
  • the VNF instance is subjected to the shrinking and shrinking process according to the shrinking and expanding policy, at least one of the following: updating the configuration information of the VNF instance; and recording the log according to the processing information of the shrinking and processing process.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a processing device for the virtual network function VNF instance is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 2 is a structural block diagram of a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes an obtaining module 22, a determining module 24, and a processing module 26. The apparatus will be described below.
  • the obtaining module 22 is configured to obtain a value of the monitoring parameter that affects the scaling and expansion of the VNF instance.
  • the determining module 24 is connected to the obtaining module 22, and is configured to determine that the value of the monitoring parameter is used in the scaling and expansion policy for the VNF instance.
  • the processing module 26 is connected to the determining module 24, and is configured to perform a scaling process on the VNF instance according to the shrinking and expanding strategy.
  • the shrinking and expanding strategy is a policy created in advance on the virtual network function management VNFM, and/or a policy pre-created on the network function virtual coordinator NFVO.
  • FIG. 3 is a structural block diagram of an obtaining module 22 in a processing device of a virtual network function VNF instance according to an embodiment of the present invention.
  • the obtaining module 22 includes a receiving unit 32, and the obtaining module 22 is described below.
  • the receiving unit 32 is configured to receive a value of the monitoring parameter sent by the monitoring device for monitoring the monitoring parameter.
  • FIG. 4 is a structural block diagram of a processing module 26 in a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention.
  • the processing module 26 includes a determining unit 42 and a processing unit 44, and the processing module is as follows. 26 for explanation.
  • the determining unit 42 is configured to determine the shrinkage and expansion information of the VNF instance according to the shrinking and expanding policy, wherein the reduced content information includes the reduced capacity information and the reduced capacity mode information; and the processing unit 44 is connected to the determining unit 42 and configured to The reduced expansion and expansion information is used to shrink the VNF instance.
  • the determining unit 42 includes an obtaining subunit 52, a reading subunit 54, and a determining subunit. 56.
  • the determination unit 42 will be described below.
  • the obtaining sub-unit 52 is configured to obtain the virtual deployment unit VDU list of the VNF instance
  • the reading sub-unit 54 is connected to the obtaining sub-unit 52, and is configured to read the VDU list in the VDU list according to the shrinking and expanding capacity policy.
  • the number of instances of the horizontally condensed expansion of the VDU and the resource allocation information of the vertical squash expansion; the determining subunit 56 is connected to the reading subunit 54 and is set to be based on the number of instances of the horizontally condensed expansion of the VDU read and
  • the resource configuration information of the scaled down expansion determines the shrinkage and expansion information of the VNF instance.
  • FIG. 6 is a structural block diagram of a processing unit 44 in a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention. As shown in FIG. 6, the processing unit 44 includes a transmitting subunit 62 and a processing subunit 64. Processing unit 44 will be described.
  • the sending sub-unit 62 is configured to send a resource request request to the virtual infrastructure management VIM of the VDU according to the shrinking and expanding information, where the resource request is used for resource allocation of the VIM to perform the shrinking and processing of the VDU, and return the allocated resource information.
  • the processing sub-unit 64 is connected to the foregoing sending sub-unit 62, and is configured to perform a shrinking and expanding process on the VNF instance according to the allocated resource information.
  • the sending subunit 62 includes at least one of the following: And sending a resource request request to the VIM, and sending a shrinking request to the network function virtual coordinator NFVO according to the condensed expansion information, wherein the condensing capacity request is used by the NFVO to send the resource request request to the VIM.
  • FIG. 7 is a block diagram showing a preferred structure of a processing apparatus of a virtual network function VNF instance according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes an update module 72 and/or a record in addition to all the modules shown in FIG. 2. Module 74, the device will be described below.
  • the update module 72 is connected to the processing module 26 and configured to update the configuration information of the VNF instance.
  • the recording module 74 is connected to the processing module 26 and configured to record a log according to the processing information of the shrinkage processing.
  • FIG. 8 is a structural block diagram of a virtual network function management VNFM according to an embodiment of the present invention. As shown in FIG. 8, the VNFM 82 includes the processing device 84 of the VNF instance of any of the above.
  • the embodiment of the present invention further provides a method for realizing VNF automatic expansion and expansion in a virtualized scenario, which can perform monitoring parameters on the VNF.
  • the strategy of activating the expansion and expansion (which may be automatic activation of the expansion and expansion) is performed, and the corresponding conditions are executed.
  • the deployment specification includes the non-linear expansion and expansion information (horizontal and vertical) on the latitude to achieve the purpose of the expansion and expansion.
  • the embodiment of the present invention is applicable to the processing of the general and special VNF automatic reduction and expansion in the virtualization scenario, and meets the requirements. Complex VNF requires both horizontal and vertical expansion during the expansion and expansion process.
  • FIG. 9 is a schematic diagram of an NFV-MANO architecture in an ETSI standard according to an embodiment of the present invention.
  • ETSI is included in the VNF template.
  • the deployment specification, the monitoring parameter, and the scaling policy (the same as the shrinking and expanding strategy described above) periodically monitor the scaling parameters after the VNF is instantiated.
  • the scaling parameter meets the conditional threshold in the content of the scaling policy, the corresponding scaling is performed according to the policy.
  • the action is scaled, and the zoom action can be flexibly stretched according to the deployment specifications.
  • the BSS in FIG. 9 is an abbreviation of the base station subsystem Base Station Subsystem
  • the OSS is the abbreviation of the operation support subsystem Operation Station Subsystem
  • the EM is the abbreviation of the network element management Element management
  • the NFV is the abbreviation of the network function virtual Netwoek Function Virtual.
  • MANO is short for NFV Management and Orchestration Architectural Framework.
  • the first step is to create a flexible scaling policy for a VNF instance through NFVO or VNFM (the same scaling policy as above).
  • Step 2 The VNF instance periodically collects monitoring parameter data and reports it.
  • Step 3 Check the VNF instance detection parameter value at the VNFM or NFVO timing. When the monitoring parameter meets the conditions defined in the elastic reduction and expansion strategy, trigger the relevant action in the automatic reduction and expansion strategy. If the policy is defined on the NFVO, The CFF expansion strategy is applied to the VNFM corresponding to the VNF instance.
  • the trigger condition here supports complex conditional scenarios and supports connection relationships within the conditional group (such as and, or etc).
  • the expansion and expansion are generally performed according to f1 ⁇ f2 ⁇ f3 ⁇ f4 ⁇ f5.
  • the scaling policy allows for cross-deployment specification execution, such as from f1 ⁇ f3 or f3 ⁇ f1.
  • Step 4 VNFM performs automatic shrinkage preparation of the VNF instance.
  • Step 5 The VNFM determines the way the resource is applied (through the NFVO unified operation or directly specifies the specific VIM application). If the VNFM passes the VNFM, the VNFM sends a request for the expansion to the specified VIM. Otherwise, the request is sent to the NFVO, and the NFVO is based on the resource. Send a request to the specified VIM in use.
  • Step 6 The VIM performs unified resource scheduling according to the shrinking resource request, and returns the allocated resource information to the NFVO or VNFM.
  • Step 7 The VNFM updates the deployment configuration parameter information of the VNF instance according to the allocated resource information.
  • Step 8 Automatically deploy the VNF instance to perform expansion and expansion.
  • Step 9 Automatically configure relevant application parameters according to the VNF instance after the expansion.
  • Step 10 VNFM and/or VNFO records the log according to the operation information of the automatic expansion and expansion.
  • the VNFM reads the monitoring parameter values from the directory service or configuration file to meet the VNF deployment specifications or action content corresponding to the expansion and expansion conditions (which needs to be translated into specific deployment specifications), and reads the deployment unit list according to the corresponding deployment specifications.
  • VDU virtual deployment unit information
  • VDU corresponds to a VM virtual machine
  • the number of instances of the horizontal expansion and expansion and the resource configuration information of the vertical expansion such as the Central Processing Unit (CPU), the memory Memroy, the storage storage.
  • a request for a shrinking transaction is formed according to the VUD resource request requirement.
  • the VNF instance is expanded and expanded according to the shrinking capacity of the VDU deployment unit list, and the VNFM is requested to perform automatic elastic scaling.
  • FIG. 10 is a flowchart of an automatic scaling process of a VNF in a virtualization scenario according to an embodiment of the present invention. As shown in FIG. 10, the process includes the following steps:
  • step S1002 the VNF management system performs the instantiation deployment of the VNF according to the template of the VNF.
  • Step S1004 Define an automatic shrinkage expansion strategy corresponding to the VNF instance.
  • Step S1006 Monitor parameter information that affects the automatic expansion and expansion of the VNF instance.
  • Step S1008 Perform condition determination in the automatic reduction and expansion strategy information according to the parameter information. If the threshold is not exceeded, the process proceeds to step S1006 periodically, otherwise step S1010 is performed.
  • Step S1010 Perform a VNF instantiation automatic shrinkage expansion preparation process.
  • Step S1012 Request a resource request from the resource scheduling service according to the scalable resource information in the preparation content.
  • Step S1014 Perform deployment, startup, related information update, parameter configuration, and the like of the VNF instance according to the obtained resource information.
  • FIG. 11 is a flowchart of an automatic shrinkage and expansion preparation process of a VNF instance according to an embodiment of the present invention. As shown in FIG. 11, the process includes the following steps:
  • Step S1102 Request to obtain a VDU deployment unit list in the VFN according to the shrinkage expansion policy.
  • Step S1104 Acquire a VDU unit that is currently to be expanded and expanded.
  • step S1106 the related shrinkage and expansion resource information is saved, and the expansion and expansion mode is reduced.
  • step S1108 it is determined whether the current reduced capacity VDU unit is a tail node. If yes, step S1110 is performed; otherwise, step S1104 is performed.
  • Step S1110 Determine the reduced expansion mode (horizontal, vertical, and mixed) of the VNF according to the related expansion and expansion information and the expansion and expansion mode in the saved VDU deployment unit list.
  • step S1112 the VNF instance auto-scaling request is initiated by obtaining the reduced-capacity resource information of the VNF instance and the reduced-capacity mode.
  • the VNF automatic expansion and expansion monitoring and strategy module can be built on the NFVO to monitor the relevant key parameters on the NFVO, and the relevant expansion and expansion operations can be performed according to the strategy when the threshold is reached.
  • the relevant key parameters are monitored.
  • the relevant strategy is sent to the VNFM module corresponding to the VNF.
  • a built-in load balance (LB) module is built in the VNF, and the corresponding parameters are detected according to the defined related policies, and the relevant policies are executed when the threshold is reached.
  • a separate monitoring and policy management module is deployed to monitor key VNF parameters and implement relevant policies when thresholds are reached.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the VNF instance is subjected to shrinkage processing according to the shrinking and expanding strategy.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • the processor performs steps S1-S3 according to the stored program code in the storage medium.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the method and apparatus for processing a VNF instance and the VNFM provided by the embodiments of the present invention have the following beneficial effects: the problem that the virtual network element cannot be rapidly deployed and flexibly adjusted in the related art is solved, and the problem is achieved. Achieve rapid deployment and flexible adjustment of virtual network elements.

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Abstract

本发明提供了一种VNF实例的处理方法、装置及VNFM，其中，该方法包括：获取影响VNF实例缩扩容的监控参数的值；确定上述监控参数的值达到了缩扩容策略中用于对VNF实例进行缩扩容的参考值；根据上述缩扩容策略对VNF实例进行缩扩容处理。通过本发明，解决了相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，进而达到了实现对虚拟网元进行快速部署和灵活调整的效果。

Description

VNF实例的处理方法、装置及VNFM 技术领域
本发明涉及通信领域，具体而言，涉及一种虚拟网络功能(Virtual Netwoek Function，简称为VNF)实例的处理方法、装置及虚拟网络功能管理(Virtual Netwoek Function Management，简称为VNFM)。
背景技术
在传统电信市场，用户在根据规模变动进行扩(缩)容时是往往由于网元分属不同的厂家，这些厂家提供的软件产品运行在不同的硬件设备、操作系统之上，部分甚至采用的是一些专有的硬件，在进行扩(缩)容时无法自动进行，且有时随着软件的升级更新，已有的设备无法进行利旧，新硬件的采购、部署、开通等都需要较长的时间，严重影响新业务的开通，同时也会造成设备的浪费。
近年来，云计算、虚拟化技术发展迅速，带来了很多创新，同时也给运营商带来很大的压力，运营商面临寻找新的收入增长点，以抵消OTT(Over The Top)业务带来的影响，同时降低运营成本(Operating Expense，简称为OPEX)，快速开展业务，因此需要通过虚拟化重点解决资源的统一调度问题、网络规划无法快速、灵活的进行调整、降低采购和运营成本、业务能力开发困难的问题。
随着虚拟化标准的逐步成熟和完善，网络的快速部署、灵活的调整变成可能，当一个虚拟化网元需要缩扩容时有两种方式：横向和纵向缩扩容，其中横向通过向外Scale out和向内Scale in操作来实现，纵向是通过向上Scale up和向下Scale down，其中横向缩扩容是通过新增或减少网元虚拟机的方式进行缩扩容，纵向缩扩容是通过增加或减少虚拟化的硬件配置的方式来进行缩扩容。在目前的欧洲电信标准学会(European Telecom Standards Institute，简称为ETSI)规范定义中虽然也在虚拟网络功能描述符(Virtualised Network Function Descriptor，简称为VNFD)中定义了自动伸缩的字段auto_scale_policy，但在具体如何实现以及自动伸缩的构成信息不明确，也无法实现对虚拟化网元进行快速部署和灵活的调整。
针对相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，目前尚未提出有效的解决方案。
发明内容
本发明提供了一种VNF实例的处理方法、装置及VNFM，以至少解决相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题。
根据本发明的一个方面，提供了一种虚拟网络功能VNF实例的处理方法，包括：获取影响所述VNF实例缩扩容的监控参数的值；确定所述监控参数的值达到了缩扩容策略中用于对 所述VNF实例进行缩扩容的参考值；根据所述缩扩容策略对所述VNF实例进行缩扩容处理。
可选地，所述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器NFVO上的策略。
可选地，获取影响所述VNF实例缩扩容的监控参数的值包括：接收用于监控所述监控参数的监控设备发送的所述监控参数的值。
可选地，根据所述缩扩容策略对所述VNF实例进行缩扩容处理包括：根据所述缩扩容策略确定所述VNF实例的缩扩容信息，其中，所述缩扩容信息包括缩扩容资源信息和缩扩容模式信息；根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理。
可选地，根据所述缩扩容策略确定所述VNF实例的缩扩容信息包括：获取所述VNF实例的虚拟部署单元VDU清单；根据所述缩扩容策略读取所述VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；根据读取的所述实例个数及所述资源配置信息确定所述VNF实例的缩扩容信息。
可选地，根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理包括：根据所述缩扩容信息向所述VDU的虚拟基础设施管理VIM发送资源申请请求，其中，所述资源申请请求用于所述VIM对所述VDU进行缩扩容处理的资源分配，并返回分配的资源信息；根据所述分配的资源信息对所述VNF实例进行缩扩容处理。
可选地，根据所述缩扩容信息向虚拟基础设施管理VIM发送资源申请请求包括以下至少之一：根据所述缩扩容信息直接向所述VIM发送所述资源申请请求；根据所述缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，所述缩扩容请求用于所述NFVO向所述VIM发送所述资源申请请求。
可选地，在根据所述缩扩容策略对所述VNF实例进行缩扩容处理之后，还包括以下至少之一：更新所述VNF实例的配置信息；根据所述缩扩容处理的处理信息记录日志。
根据本发明的另一方面，提供了一种虚拟网络功能VNF实例的处理装置，包括：获取模块，设置为获取影响所述VNF实例缩扩容的监控参数的值；确定模块，设置为确定所述监控参数的值达到了缩扩容策略中用于对所述VNF实例进行缩扩容的参考值；处理模块，设置为根据所述缩扩容策略对所述VNF实例进行缩扩容处理。
可选地，所述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器NFVO上的策略。
可选地，所述获取模块包括：接收单元，设置为接收用于监控所述监控参数的监控设备发送的所述监控参数的值。
可选地，所述处理模块包括：确定单元，设置为根据所述缩扩容策略确定所述VNF实例的缩扩容信息，其中，所述缩扩容信息包括缩扩容资源信息和缩扩容模式信息；处理单元，设置为根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理。
可选地，所述确定单元包括：获取子单元，设置为获取所述VNF实例的虚拟部署单元VDU清单；读取子单元，设置为根据所述缩扩容策略读取所述VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；确定子单元，设置为根据读取的所述实例个数及所述资源配置信息确定所述VNF实例的缩扩容信息。
可选地，所述处理单元包括：发送子单元，设置为根据所述缩扩容信息向所述VDU的虚拟基础设施管理VIM发送资源申请请求，其中，所述资源申请请求用于所述VIM对所述VDU进行缩扩容处理的资源分配，并返回分配的资源信息；处理子单元，设置为根据所述分配的资源信息对所述VNF实例进行缩扩容处理。
可选地，所述发送子单元包括以下至少之一：根据所述缩扩容信息直接向所述VIM发送所述资源申请请求；根据所述缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，所述缩扩容请求用于所述NFVO向所述VIM发送所述资源申请请求。
可选地，所述装置还包括以下至少之一：更新模块，设置为更新所述VNF实例的配置信息；记录模块，设置为根据所述缩扩容处理的处理信息记录日志。
根据本发明的另一方面，提供了一种虚拟网络功能管理VNFM，包括上述任一项所述的装置。
通过本发明，采用获取影响所述VNF实例缩扩容的监控参数的值；确定所述监控参数的值达到了缩扩容策略中用于对所述VNF实例进行缩扩容的参考值；根据所述缩扩容策略对所述VNF实例进行缩扩容处理，解决相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，进而达到了实现对虚拟网元进行快速部署和灵活调整的效果。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的虚拟网络功能VNF实例的处理方法的流程图；
图2是根据本发明实施例的虚拟网络功能VNF实例的处理装置的结构框图；
图3是根据本发明实施例的虚拟网络功能VNF实例的处理装置中获取模块22的结构框图；
图4是根据本发明实施例的虚拟网络功能VNF实例的处理装置中处理模块26的结构框图；
图5是根据本发明实施例的虚拟网络功能VNF实例的处理装置中确定单元42的结构框图；
图6是根据本发明实施例的虚拟网络功能VNF实例的处理装置中处理单元44的结构框 图；
图7是根据本发明实施例的虚拟网络功能VNF实例的处理装置的优选结构框图；
图8是根据本发明实施例的虚拟网络功能管理VNFM的结构框图；
图9是根据本发明实施例的ETSI标准中NFV-MANO架构图；
图10是根据本发明实施例的虚拟化场景下VNF的自动伸缩处理流程图；
图11是根据本发明实施例的VNF实例自动缩扩容准备处理流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种虚拟网络功能VNF实例的处理方法，图1是根据本发明实施例的虚拟网络功能VNF实例的处理方法的流程图，如图1所示，该流程包括如下步骤：
步骤S102，获取影响VNF实例缩扩容的监控参数的值；
步骤S104，确定上述监控参数的值达到了缩扩容策略中用于对VNF实例进行缩扩容的参考值；
步骤S106，根据上述缩扩容策略对VNF实例进行缩扩容处理。
其中，上述的监控参数可以包括系统容量、中央处理器(Central Processing Unit，简称为CPU)阀值等，上述的监控参数也可以为其他参数，对应不同的厂家或者产品上述的监控参数也是不同的。通过上述步骤，当影响VNF实例缩扩容的监控参数的值达到了缩扩容策略中规定的参考值时，根据缩扩容策略对VNF实例进行缩扩容处理，从而达到了快速缩扩容的目的，解决了相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，进而达到了实现对虚拟网元进行快速部署和灵活调整的效果。
在一个可选的实施例中，上述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器(Network Function Virtual Orchestrator，简称为NFVO)上的策略。其中，当该缩扩容策略创建在NFVO上时，NFVO可以下发该缩扩容策略到VNFM上，或者由VNFM主动从NFVO上去获取该缩扩容策略。从而保证VNFM及时获知缩扩容策略，以便该VNFM对VNF实例进行缩扩容。当然，上述的两种方式仅是示例，上述的缩扩容策略还可以是预先创建在其他设备上的策略。当该缩扩容策略为预先创建在其他设备上的策略时，也可以是由其他设备将给缩扩容策略下发给VNFM，或者由VNFM主动从其他设备上去获取给缩扩容策略。
在一个可选的实施例中，获取影响上述VNF实例缩扩容的监控参数的值包括：接收用于监控该监控参数的监控设备发送的监控参数的值。当然，利用监控设备监控上述监控参数的值，仅是一种示例，还可以通过其他的方式获取上述监控参数的值，当执行图1中所示的各个步骤的执行主体为VNFM时，还可以由VNFM自身去监控上述监控参数的值。
在一个可选的实施例中，根据上述缩扩容策略对VNF实例进行缩扩容处理包括：根据上述缩扩容策略确定VNF实例的缩扩容信息，其中，该缩扩容信息包括缩扩容资源信息和缩扩容模式信息；根据确定的缩扩容信息对VNF实例进行缩扩容处理。其中，上述的缩扩容资源信息可以包括具体的VNF实例需要缩容到的内存的相关参数或者扩容到的内存的相关参数，上述的缩扩容模式信息可以包括具体的缩扩容类型，可以是执行缩容处理，可以是执行扩容处理，也可以是执行缩容和扩容混合处理。
在一个可选的实施例中，根据上述缩扩容策略确定VNF实例的缩扩容信息包括：获取该VNF实例的虚拟部署单元VDU清单；根据上述缩扩容策略读取VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；根据读取的上述VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息确定VNF实例的缩扩容信息。即，通过确定VNF实例下的各个VDU的缩扩容信息来确定NVF实例的缩扩容信息。
在一个可选的实施例中，根据确定的上述缩扩容信息对VNF实例进行缩扩容处理包括：根据缩扩容信息向VDU的虚拟基础设施管理VIM发送资源申请请求，其中，该资源申请请求用于VIM对VDU进行缩扩容处理的资源分配，并返回分配的资源信息；根据上述分配的资源信息对VNF实例进行缩扩容处理。
在一个可选的实施例中，根据上述缩扩容信息向虚拟基础设施管理VIM发送资源申请请求包括以下至少之一：根据上述缩扩容信息直接向VIM发送资源申请请求；根据上述缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，该缩扩容请求用于NFVO向VIM发送上述资源申请请求。
在一个可选的实施例中，在根据上述缩扩容策略对VNF实例进行缩扩容处理之后，还包括以下至少之一：更新上述VNF实例的配置信息；根据上述缩扩容处理的处理信息记录日志。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。
在本实施例中还提供了一种虚拟网络功能VNF实例的处理装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图2是根据本发明实施例的虚拟网络功能VNF实例的处理装置的结构框图，如图2所示，该装置包括获取模块22、确定模块24和处理模块26，下面对该装置进行说明。
获取模块22，设置为获取影响上述VNF实例缩扩容的监控参数的值；确定模块24，连接至上述获取模块22，设置为确定上述监控参数的值达到了缩扩容策略中用于对VNF实例进行缩扩容的参考值；处理模块26，连接至上述确定模块24，设置为根据上述缩扩容策略对VNF实例进行缩扩容处理。
在一个可选的实施例中，上述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器NFVO上的策略。
图3是根据本发明实施例的虚拟网络功能VNF实例的处理装置中获取模块22的结构框图，如图3所示，该获取模块22包括接收单元32，下面对该获取模块22进行说明。
接收单元32，设置为接收用于监控上述监控参数的监控设备发送的监控参数的值。
图4是根据本发明实施例的虚拟网络功能VNF实例的处理装置中处理模块26的结构框图，如图4所示，该处理模块26包括确定单元42和处理单元44，下面对该处理模块26进行说明。
确定单元42，设置为根据上述缩扩容策略确定VNF实例的缩扩容信息，其中，该缩扩容信息包括缩扩容资源信息和缩扩容模式信息；处理单元44，连接至上述确定单元42，设置为根据确定的缩扩容信息对VNF实例进行缩扩容处理。
图5是根据本发明实施例的虚拟网络功能VNF实例的处理装置中确定单元42的结构框图，如图5所示，该确定单元42包括获取子单元52、读取子单元54和确定子单元56，下面对该确定单元42进行说明。
获取子单元52，设置为获取上述VNF实例的虚拟部署单元VDU清单；读取子单元54，连接至上述获取子单元52，设置为根据上述缩扩容策略读取VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；确定子单元56，连接至上述读取子单元54，设置为根据读取的上述VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息确定该VNF实例的缩扩容信息。
图6是根据本发明实施例的虚拟网络功能VNF实例的处理装置中处理单元44的结构框图，如图6所示，该处理单元44包括发送子单元62和处理子单元64，下面对该处理单元44进行说明。
发送子单元62，设置为根据上述缩扩容信息向VDU的虚拟基础设施管理VIM发送资源申请请求，其中，该资源申请请求用于VIM对VDU进行缩扩容处理的资源分配，并返回分配的资源信息；处理子单元64，连接至上述发送子单元62，设置为根据上述分配的资源信息对VNF实例进行缩扩容处理。
在一个可选的实施例中，上述发送子单元62包括以下至少之一：根据上述缩扩容信息直 接向VIM发送资源申请请求；根据该缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，该缩扩容请求用于NFVO向VIM发送上述资源申请请求。
图7是根据本发明实施例的虚拟网络功能VNF实例的处理装置的优选结构框图，如图7所示，该装置除包括图2所示的所有模块外，还包括更新模块72和/或记录模块74，下面对该装置进行说明。
更新模块72，连接至上述处理模块26，设置为更新上述VNF实例的配置信息；记录模块74，连接至上述处理模块26，设置为根据上述缩扩容处理的处理信息记录日志。
图8是根据本发明实施例的虚拟网络功能管理VNFM的结构框图，如图8所示，该VNFM82包括上述任一项的VNF实例的处理装置84。
下面结合具体应用场景，对本发明进行举例说明：
针对相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，本发明实施例中还提供了一种实现虚拟化场景下VNF自动缩扩容的方法，能够在对VNF的监控参数进行监控时，对于一些关键参数(同上述的影响VNF实例缩扩容的监控参数)的KPI数值超过策略阀值时，激活缩扩容的策略(其中，可以是自动激活缩扩容)，执行相应条件对应的部署规格，部署规格包含两个纬度上的非线性缩扩容信息(横向和纵向)，以达到缩扩容的目的，本发明实施例适用于虚拟化场景下通用和特殊VNF自动缩扩容的处理，满足复杂VNF在缩扩容过程中同时进行横向和纵向伸缩要求。
图9是根据本发明实施例的ETSI标准中NFV-MANO架构图，下面结合该图对本发明实施例进行说明：在虚拟化场景下，一个VNF实例如果要进行缩扩容，在VNF模版中包括ETSI中的部署规格、监控参数、和伸缩策略(同上述的缩扩容策略)，在VNF实例化运行以后定期监控伸缩参数，当伸缩参数满足伸缩策略内容中条件阀值时，根据策略中对应的伸缩动作进行伸缩，伸缩动作可以按部署规格进行弹性伸缩。
其中，图9中的BSS为基站子系统Base Station Subsystem的简称，OSS为操作支持子系统Operation Station Subsystem的简称，EM为网元管理Element management的简称，NFV为网络功能虚拟Netwoek Function Virtual的简称，MANO是NFV的管理和编排Management and Orchestration Architectural Framework的简称。
为了达到本发明实施例的目的，本发明实施例中可以采用如下技术方案：
方案1：
第一步：用户通过NFVO或VNFM对一个VNF实例创建一个弹性缩扩容策略(同上述的缩扩容策略)。
第二步：VNF实例定期收集监控参数数据并进行上报。
第三步：在VNFM或NFVO定时检查VNF实例检测参数数值，当监控参数满足弹性缩扩容策略中定义的条件时，触发自动缩扩容策略中相关的动作，如果策略定义在NFVO上则 下发缩扩容策略到VNF实例对应的VNFM。
这里触发条件支持复杂条件场景，支持条件组内的连接关系(比如and、or等)。
VNF实例化模版中如果定义了5种部署规格f1、f2、f3、f4、f5，假如按部署规格f1进行的vnf实例化，一般是按照f1→f2→f3→f4→f5进行缩扩容，制定缩扩容策略时允许跨部署规格执行，如从f1→f3或f3→f1。
第四步：VNFM执行VNF实例的自动缩扩容准备。
第五步：VNFM判断资源申请的方式(通过NFVO统一操作还是直接指定具体VIM申请),如果通过VNFM则VNFM下发缩扩容请求到指定VIM，否则发送缩扩容请求到NFVO，由NFVO再根据资源使用情况下发请求到指定的VIM。
第六步：VIM根据缩扩容资源请求进行统一的资源编排，并将分配的资源信息返回给NFVO或VNFM。
第七步：VNFM根据所分配的资源信息对VNF实例进行部署配置参数信息更新处理。
第八步：自动部署VNF实例，进行缩扩容。
第九步：根据缩扩容以后的VNF实例自动配置相关的应用参数。
第十步：VNFM和/或VNFO根据自动缩扩容的操作信息记录日志。
其中在第四步VNF实例自动缩扩容准备时的执行时步骤如下：
VNFM从目录服务或配置文件中读取监控参数数值满足缩扩容条件对应的VNF部署规格或动作内容(需转化为具体的部署规格)，根据对应的部署规格读取部署单元清单。
逐一读取VNF实例部署规格中包括的虚拟部署单元信息(Virtual Development Unit，简称为VDU)(VDU1、VDU2…VDUn)。
读取VDU(一个VDU对应一个VM虚机)中包含的横向缩扩容的实例个数及纵向缩扩容的资源配置信息(如中央处理器(Central Processing Unit，简称为CPU)、存储器Memroy、存储Storage)。
根据VUD资源申请需求组成缩扩容事务请求。
根据VDU部署单元清单中的缩扩容情况组成VNF实例缩扩容事务，请求VNFM进行自动弹性伸缩。
图10是根据本发明实施例的虚拟化场景下VNF的自动伸缩处理流程图，如图10所示，该流程包括如下步骤：
步骤S1002，VNF管理系统根据VNF的模版进行VNF的实例化部署。
步骤S1004，定义对应VNF实例的自动化缩扩容策略。
步骤S1006，监控影响VNF实例自动缩扩容的参数信息。
步骤S1008，根据参数信息，进行自动缩扩容策略信息中条件判断，如果不超过阀值，则定期转步骤S1006，否则执行步骤S1010。
步骤S1010，执行VNF实例化自动缩扩容准备处理过程。
步骤S1012，根据准备内容中伸缩资源信息向资源编排服务申请资源请求。
步骤S1014，根据获取的申请到的资源信息进行VNF实例的部署、启动及相关信息更新，参数配置等。
图11是根据本发明实施例的VNF实例自动缩扩容准备处理流程图，如图11所示，该流程包括如下步骤：
步骤S1102，根据缩扩容策略请求获取VFN中VDU部署单元清单。
步骤S1104，获取当前要进行缩扩容的VDU单元。
步骤S1106，保存相关缩扩容资源信息，缩扩容模式。
步骤S1108，判断当前缩扩容VDU单元是否是尾节点，是则执行步骤S1110，否则转步骤S1104。
步骤S1110，根据保存的VDU部署单元清单中相关的缩扩容信息以及缩扩容模式，判断VNF的缩扩容模式(横向、纵向、混合)。
步骤S1112，获取VNF实例的缩扩容资源信息及缩扩容模式发起VNF实例自动伸缩请求。
步骤S1114，结束。
实施例1：
可通过在NFVO上内置VNF自动缩扩容的监控及策略模块，在NFVO上监控相关的关键参数，达到阀值时按照策略执行相关的缩扩容操作。
实施例2：
通过在NFVO上内置VNF自动缩扩容的监控及策略模块，监控相关的关键参数，达到阀值时将相关的策略下发到该VNF对应的VNFM模块处理。
实施例3：
在VNF中内置负载平衡(load balance，简称为LB)模块，根据定义的相关策略，检测相应的参数，达到阀值时执行相关策略。
实施例4：
部署单独的监控及策略管理模块，对VNF关键参数进行监控，达到阀值时执行相关策略。
需要说明的是，上述各个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述模块分别位于多个处理器中。
本发明的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，获取影响VNF实例缩扩容的监控参数的值；
S2，确定上述监控参数的值达到了缩扩容策略中用于对VNF实例进行缩扩容的参考值；
S3，根据上述缩扩容策略对VNF实例进行缩扩容处理。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(Read-Only Memory，简称为ROM)、随机存取存储器(Random Access Memory，简称为RAM)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行步骤S1-S3。
可选地，本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
如上所述，本发明实施例提供的一种VNF实例的处理方法、装置及VNFM具有以下有益效果：解决了相关技术中存在的无法对虚拟网元进行快速部署和灵活调整的问题，进而达到了实现对虚拟网元进行快速部署和灵活调整的效果。

Claims (17)

  1. 一种虚拟网络功能VNF实例的处理方法，包括：
    获取影响所述VNF实例缩扩容的监控参数的值；
    确定所述监控参数的值达到了缩扩容策略中用于对所述VNF实例进行缩扩容的参考值；
    根据所述缩扩容策略对所述VNF实例进行缩扩容处理。
  2. 根据权利要求1所述的方法，其中，所述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器NFVO上的策略。
  3. 根据权利要求1所述的方法，其中，获取影响所述VNF实例缩扩容的监控参数的值包括：
    接收用于监控所述监控参数的监控设备发送的所述监控参数的值。
  4. 根据权利要求1所述的方法，其中，根据所述缩扩容策略对所述VNF实例进行缩扩容处理包括：
    根据所述缩扩容策略确定所述VNF实例的缩扩容信息，其中，所述缩扩容信息包括缩扩容资源信息和缩扩容模式信息；
    根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理。
  5. 根据权利要求4所述的方法，其中，根据所述缩扩容策略确定所述VNF实例的缩扩容信息包括：
    获取所述VNF实例的虚拟部署单元VDU清单；
    根据所述缩扩容策略读取所述VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；
    根据读取的所述实例个数及所述资源配置信息确定所述VNF实例的缩扩容信息。
  6. 根据权利要求5所述的方法，其中，根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理包括：
    根据所述缩扩容信息向所述VDU的虚拟基础设施管理VIM发送资源申请请求，其中，所述资源申请请求用于所述VIM对所述VDU进行缩扩容处理的资源分配，并返回分配的资源信息；
    根据所述分配的资源信息对所述VNF实例进行缩扩容处理。
  7. 根据权利要求6所述的方法，其中，根据所述缩扩容信息向虚拟基础设施管理VIM发送资源申请请求包括以下至少之一：
    根据所述缩扩容信息直接向所述VIM发送所述资源申请请求；
    根据所述缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，所述缩扩容请求用于所述NFVO向所述VIM发送所述资源申请请求。
  8. 根据权利要求1至7中任一项所述的方法，其中，在根据所述缩扩容策略对所述VNF实例进行缩扩容处理之后，还包括以下至少之一：
    更新所述VNF实例的配置信息；
    根据所述缩扩容处理的处理信息记录日志。
  9. 一种虚拟网络功能VNF实例的处理装置，包括：
    获取模块，设置为获取影响所述VNF实例缩扩容的监控参数的值；
    确定模块，设置为确定所述监控参数的值达到了缩扩容策略中用于对所述VNF实例进行缩扩容的参考值；
    处理模块，设置为根据所述缩扩容策略对所述VNF实例进行缩扩容处理。
  10. 根据权利要求9所述的装置，其中，所述缩扩容策略为预先创建在虚拟网络功能管理VNFM上的策略，和/或，预先创建在网络功能虚拟协调器NFVO上的策略。
  11. 根据权利要求9所述的装置，其中，所述获取模块包括：
    接收单元，设置为接收用于监控所述监控参数的监控设备发送的所述监控参数的值。
  12. 根据权利要求9所述的装置，其中，所述处理模块包括：
    确定单元，设置为根据所述缩扩容策略确定所述VNF实例的缩扩容信息，其中，所述缩扩容信息包括缩扩容资源信息和缩扩容模式信息；
    处理单元，设置为根据确定的所述缩扩容信息对所述VNF实例进行缩扩容处理。
  13. 根据权利要求12所述的装置，其中，所述确定单元包括：
    获取子单元，设置为获取所述VNF实例的虚拟部署单元VDU清单；
    读取子单元，设置为根据所述缩扩容策略读取所述VDU清单中的需要进行缩扩容处理的VDU的横向缩扩容的实例个数及纵向缩扩容的资源配置信息；
    确定子单元，设置为根据读取的所述实例个数及所述资源配置信息确定所述VNF实例的缩扩容信息。
  14. 根据权利要求13所述的装置，其中，所述处理单元包括：
    发送子单元，设置为根据所述缩扩容信息向所述VDU的虚拟基础设施管理VIM发送资源申请请求，其中，所述资源申请请求用于所述VIM对所述VDU进行缩扩容处理的资源分配，并返回分配的资源信息；
    处理子单元，设置为根据所述分配的资源信息对所述VNF实例进行缩扩容处理。
  15. 根据权利要求14所述的装置，其中，所述发送子单元包括以下至少之一：
    根据所述缩扩容信息直接向所述VIM发送所述资源申请请求；
    根据所述缩扩容信息向网络功能虚拟协调器NFVO发送缩扩容请求，其中，所述缩扩容请求用于所述NFVO向所述VIM发送所述资源申请请求。
  16. 根据权利要求9至15中任一项所述的装置，其中，还包括以下至少之一：
    更新模块，设置为更新所述VNF实例的配置信息；
    记录模块，设置为根据所述缩扩容处理的处理信息记录日志。
  17. 一种虚拟网络功能管理VNFM，包括权利要求9至16中任一项所述的装置。
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CN109150567A (zh) * 2017-06-19 2019-01-04 中兴通讯股份有限公司 虚拟网络功能模块的监控方法、设备和可读存储介质
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