CN108881338A - Network function virtualizes the method and device of image file upgrading - Google Patents
Network function virtualizes the method and device of image file upgrading Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention discloses a kind of methods of network function virtualization image file upgrading, including：When triggering image upgrade operation (as triggered VNF image upgrade by EMS), the mirror image management interface of call definition, it generates the first image upgrade request and is sent to VNF to be upgraded, indicate that VNF to be upgraded is upgraded, wherein, VNF to be upgraded includes the virtual machine and uninstantiated virtual machine of instantiation；And after VNF to be upgraded successfully upgrades, the VNFM that the second image upgrade request is sent to corresponding VNF to be upgraded is generated, instruction VNFM is upgraded, wherein the second image upgrade request specifies identical upgrade image file with the first image upgrade request；The second image upgrade response that VNFM is returned after upgrading is received, whether is succeeded with the image upgrade operation triggered according to the second image upgrade response confirmation.The invention also discloses a kind of devices of network function virtualization image file upgrading.The present invention can efficiently to instantiated and/or uninstantiated virtual machine carry out image upgrade.
Description
Technical field
Upgrade the present invention relates to network function virtualization field more particularly to a kind of network function virtualization image file
Method and device.
Background technique
In conventional telecommunication network, and Element management system (Network Element Management system, below
Referred to as EMS or abbreviation EM) be network unit (Network Element, hereinafter referred to as NE) hard core control system, bear
Blame monitoring, error log record, configuration, book keeping operation, performance and the peace congruous function of network element, the version management of the service application of network element
Also it is responsible for by EMS.When service application needs to upgrade, operation maintenance personnel mainly passes through EMS operation interface and executes business release
Upgrading.
(Network Function Virtualization, hereinafter referred to as NFV) framework is virtualized in network function
In, network element portion is responsible for by NFV management and composer (Managenment and Orchestration, hereinafter referred to as MANO)
Administration.Operation maintenance personnel completes network element by the operation interface of NFV composer (NFV Orchestration, hereinafter referred to as NFVO)
Deployment, wherein also include image file, mirror in network element deployment packet other than comprising the service application version in traditional network
As file provides running environment, such as client operating system, basic software, hardware version parameter etc. for service application.With new
Increase application function or fault restoration, it is also possible to need matched image file, therefore under NFV framework, network element updating in addition to
It further include upgrade image version except staging business version.
European Telecommunications Standards Institute (European Telecommunications Standards Institute, with
Down be referred to as ETSI) publication NFV framework in, as shown in Figure 1, network element image upgrade can pass through NFVO and virtual network function pipe
Manage device (Virtual Network Function Manager, hereinafter referred to as VNFM) between interface Or-Vnfm and
VNFM and virtualized infrastructure manager (Virtualised infrastructure manager, hereinafter referred to as VIM)
Between interface Or-Vi update VIM in image file.
It under NFV framework, is disposed although network element is applied by MANO, EMS still will undertake network element using original pipe
Function is managed, therefore there are Railway Projects：
1, under the scene that application and mirror image need to upgrade simultaneously, operation maintenance personnel needs respectively from different operation interfaces
Application upgrade and image upgrade are executed on (EMS and NFVO), for the virtual machine of large scale deployment in telecommunication environment, this more ground
Operation obviously brings inconvenience to operation maintenance personnel, is unfavorable for automatic operation.
2, MANO it is upper can only mirror image in upgrade image warehouse, the mirror image in mirror image warehouse can only be to the virtual machine not created
(such as virtual machine of self-healing or elasticity generation) comes into force.It can not come into force for instantiated virtual machine, this mode can not
The mirror image of upgrading virtual machine.
Summary of the invention
The main purpose of the present invention is to provide a kind of method and device of network function virtualization image file upgrading, purports
In the efficient image upgrade realized to the virtual machine for having instantiated or having had not been yet instantiated.
To achieve the above object, the present invention provides a kind of method of network function virtualization image file upgrading, is applied to
Element management system EMS defines the mirror between EMS and virtual network function VNF and virtual network function manager VNFM first
As management interface, this approach includes the following steps：
When triggering image upgrade operation, the mirror image management interface is called, generate the first image upgrade request, and by institute
It states the first image upgrade request and is sent to VNF to be upgraded, to indicate that the VNF to be upgraded obtains the first image upgrade request
Specified upgrade image file is upgraded, wherein the VNF to be upgraded includes the virtual machine instantiated and uninstantiated void
Quasi- machine；
After receiving the VNF to be upgraded and successfully upgrading, first that the mirror image management interface is generated and returned is called
When image upgrade responds, the mirror image management interface is called, generate the second image upgrade request, and by second image upgrade
Request is sent to the VNFM of the corresponding VNF to be upgraded, to indicate that it is specified that the VNFM obtains the second image upgrade request
Upgrade image file upgraded, wherein second image upgrade request specifies phase with first image upgrade request
Same upgrade image file；
The VNFM is received after upgrading, calls the mirror image management interface to generate and the second image upgrade returned is rung
It answers, whether is succeeded with the image upgrade operation triggered according to the second image upgrade response confirmation.
Optionally, described to call the mirror image management interface, before generating the step of the first image upgrade is requested, also wrap
It includes：
When triggering image upgrade operation, upgrade image file to the mirror image for uploading the image upgrade operation of corresponding triggering is taken
Business device；
Described to call the mirror image management interface, generating the step of the first image upgrade is requested includes：
The mirror image management interface is called, the first image upgrade for carrying the download address of the upgrade image file is generated
Request；
Described to call the mirror image management interface, generating the step of the second image upgrade is requested includes：
The mirror image management interface is called, the second image upgrade for carrying the download address of the upgrade image file is generated
Request.
Optionally, the step of upgrade image file to mirror image server of the image upgrade operation for uploading corresponding triggering
Including：
The eap-message digest of the upgrade image file is calculated, and the eap-message digest of calculating and the upgrade image is literary
Part is packaged as upgrade package；
The upgrade package is uploaded to the mirror image server, so that the VNF to be upgraded and VNFM is being downloaded to
After the upgrade package, the upgrade image file and eap-message digest that the upgrade package carries are parsed, and calculate the liter
The eap-message digest of class mirror-image file is compared with the eap-message digest parsed, is upgraded after comparing successfully.
Optionally, the method also includes：
When triggering image release inquiry operation, the mirror image management interface is called, generates the mark for carrying target virtual machine
Know the mirror image inquiry request of information, and the mirror image inquiry request is sent to corresponding VNF to be checked or VNFM to be checked, with
For the VNF to be checked or described VNFM to be checked, based on the identification information-enquiry to the mirrored version of the target virtual machine
This number；
Receive what the VNF to be checked or described VNFM to be checked was returned, the image release number of the target virtual machine,
It is shown.
Optionally, after described the step of second image upgrade request is sent to the VNFM, further include：
It requests sending second image upgrade to when VNFM failure, second image upgrade is requested to send
The extremely VNF to be upgraded, and indicate that second image upgrade request is forwarded to the VNFM by the VNF to be upgraded.
In addition, to achieve the above object, the present invention also provides a kind of dresses of network function virtualization NFV image file upgrading
It sets, is applied to Element management system EMS, defines EMS and virtual network function VNF and virtual network function manager VNFM first
Between mirror image management interface, which includes：
Image upgrade module generates the first mirror for calling the mirror image management interface when triggering image upgrade operation
It is sent to VNF to be upgraded as upgrade request, and by first image upgrade request, to indicate that the VNF to be upgraded obtains institute
It states the specified upgrade image file of the first image upgrade request to be upgraded, wherein the VNF to be upgraded includes the void of instantiation
Quasi- machine and uninstantiated virtual machine；It is also used to after receiving the VNF to be upgraded and successfully upgrading, calls the mirror image management
When interface generates and the first image upgrade returned responds, the mirror image management interface is called, generates the second image upgrade request,
And second image upgrade request is sent to the VNFM of the corresponding VNF to be upgraded, to indicate described in the VNFM acquisition
The specified upgrade image file of second image upgrade request, wherein the second image upgrade request and the first mirror image liter
Identical upgrade image file is specified in grade request；
Mirror image checks that module calls the mirror image management interface to generate and return for receiving the VNFM after upgrading
The second image upgrade response, operated and whether succeeded with the image upgrade that trigger according to the second image upgrade response confirmation.
Optionally, the image upgrade module is also used to upload the mirror image of corresponding triggering when triggering image upgrade operation
The upgrade image file of updating operation is to mirror image server；It is also used to call the mirror image management interface, generates and carry the liter
First image upgrade of the download address of class mirror-image file is requested；It is also used to call the mirror image management interface, generates and carry institute
State the second image upgrade request of the download address of upgrade image file.
Optionally, the image upgrade module is also used to calculate the eap-message digest of the upgrade image file, and will calculate
The eap-message digest and the upgrade image file be packaged as upgrade package；It is also used to the upgrade package being uploaded to the mirror image
Server parses the upgrade package and carries so that the VNF to be upgraded and VNFM is after downloading to the upgrade package
Upgrade image file and eap-message digest, and the eap-message digest for calculating the upgrade image file is plucked with the message parsed
It is compared, is upgraded after comparing successfully.
Optionally, described device further includes：
Mirror image enquiry module, for calling the mirror image management interface, generation is taken when triggering image release inquiry operation
The mirror image inquiry request of identification information with target virtual machine, and the mirror image inquiry request is sent to corresponding to be checked
VNF or VNFM to be checked, for the VNF to be checked or described VNFM to be checked, based on the identification information-enquiry described in
The image release number of target virtual machine；It is also used to receive what the VNF to be checked or described VNFM to be checked was returned, the mesh
The image release number for marking virtual machine, is shown.
Optionally, the image upgrade module is also used to request to the VNFM to fail in transmission second image upgrade
When, second image upgrade request is sent to the VNF to be upgraded, and indicate the VNF to be upgraded by second mirror
As upgrade request is forwarded to the VNFM.
The method and device of network function virtualization image file upgrading proposed by the present invention, passes through the mirror image of call definition
Management interface upgrades while can realizing net element business version and image file version based on EMS, for the void of large scale deployment
For quasi- machine or the virtual machine of escalation process complexity, simplify operation maintenance personnel operating procedure, meanwhile, can also do not cancel/newly
Image upgrade is done to virtual machine in the case where building virtual machine, is suitble to the smooth upgrade to the state virtual machine for having process data, and
And the present invention does not need newly-built virtual machine, therefore is not required to occupy additional hardware resource.To which the present invention can be efficiently to
Instantiation and/or uninstantiated virtual machine carry out image upgrade.
Detailed description of the invention
Fig. 1 is the flow diagram of image file upgrading in the prior art；
Fig. 2 is the module exemplary diagram of the device first embodiment of inventive network virtualization of function image file upgrading；
Fig. 3 is network function virtualization in the device first embodiment of inventive network virtualization of function image file upgrading
The example architecture figure of NFV；
Fig. 4 is the interface in the device first embodiment of inventive network virtualization of function image file upgrading between each component
Schematic diagram；
Fig. 5 is the flow diagram of the method first embodiment of inventive network virtualization of function image file upgrading.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provide a kind of virtualization of network function (Network Function Virtualization, hereinafter referred to as
For the device of NFV) image file upgrading, it is applied to Element management system (Network Element Management
System, hereinafter referred to as EMS), define first EMS and virtual network function (Virtual Network Function, below
Referred to as VNF) and VNF manager (VNF Manager, hereinafter referred to as VNFM) between mirror image management interface, referring to Fig. 2,
In the first embodiment of the present invention, which includes：
Image upgrade module 10 generates first for calling the mirror image management interface when triggering image upgrade operation
Image upgrade request, and first image upgrade request is sent to VNF to be upgraded, to indicate that the VNF to be upgraded is obtained
The specified upgrade image file of the first image upgrade request is upgraded, wherein the VNF to be upgraded includes instantiation
Virtual machine and uninstantiated virtual machine；It is also used to after receiving the VNF to be upgraded and successfully upgrading, calls the mirror image pipe
When reason interface generates and the first image upgrade returned responds, the mirror image management interface is called, the second image upgrade is generated and asks
It asks, and second image upgrade request is sent to the VNFM of the corresponding VNF to be upgraded, to indicate that the VNFM obtains institute
The specified upgrade image file of the second image upgrade request is stated to be upgraded, wherein the second image upgrade request with it is described
Identical upgrade image file is specified in first image upgrade request；
Mirror image checks that module 20 calls the mirror image management interface to generate and return for receiving the VNFM after upgrading
The the second image upgrade response returned, with the image upgrade that trigger according to the second image upgrade response confirmation operate whether at
Function；
Wherein, the image file updating operation of the VNFM execution includes：
The upgrade image file that the VNFM will acquire is uploaded to default image file library, and based on the upgrade image text
Retain on part update VNFM locally-stored related Mirror Info, and update VNF descriptor VNFD and NFV composer NFVO
Mirror image relevant information.
The present invention program for ease of understanding is below first introduced NFV framework of the present invention, as shown in figure 3,
It is made of following functions component：
NFV infrastructure (NFV Infrastructure, NFVI) provides virtualization money required for the execution of support NFV
Source, including hardware, the necessary acceleration device assembly of Commercial off-the-shelf supply (Commercial Off The Shelf, COTS), with
And the software layer that bottom hardware is virtualized and is abstracted.
VNF is the software realization for the network function (Network Function, NF) that can be run on NFVI, may be also
Understand with Element management system (Element Management System, hereinafter referred to as EMS) module and manages individually
VNF and its characteristic.VNF is equivalent to the entity of network node, is expected to deliver to get rid of the pure software of hardware-dependent.
NFV management and layout (Management and Orchestration, M&O or MANO) include layout, support
The physics of infrastructure virtualization and/or the life cycle management of software resource, the life cycle management of VNF.NFV MANO is poly-
Coke virtualizes specific management role in NFV frame.NFV MANO also with (outside NFV) Operation Support System
(Operation Support System, hereinafter referred to as OSS)/business support system (Business Support
System, hereinafter referred to as BSS) interaction, to allow NFV to be integrated into the already present management view for being related to network-wide basis.
Above-mentioned component is interacted by the reference point and interface defined, so that different entities can be decoupled clearly,
To facilitate the NFV ecosystem an of opening and innovation.Reference between VNF and NFVI (and between NFVI internal entity)
The abstract and virtualization of point process resource and the host boarding of VNF, so that VNF can not only be in NFVI from a movement
Another is arrived, and can ensure that different bottom hardwares is selected to be possibly realized.Between NFV MANO and VNF and NFVI (and
Between NFV MANO internal entity) reference point processing NFV system management and running.The design method of associated components allows multiple
The existing OSS/BSS environment connected is needed to be handed over NFV system with existing solution (such as cloud management system), and also
Mutually.
In addition, further defining following functions component within NFV MANO：
NFVO is mainly responsible for the life cycle management of NS, completes network service layout function；And across multiple VIM's
Resource layout function is completed in NFVI resource layout.
VNFM is responsible for the life cycle management of VNF example, and each VNF is assumed to have an associated VNFM, and one
VNFM can be assigned the single VNF example of management or multiple identical or dissimilar types the VNF example of management.Its available capability packet
It includes：VNF instantiation, VNF configuration NFVI resource, VNF example updates, VNF example scales, VNF example correlation NFVI performance metric
Collection with event and with being associated with of VNF example dependent event, VNF example is received aid or automatic rehabilitation, VNF example terminate, VNF
Example through the Integrity Management of its life cycle, the configuration between NFVI and EMS and event report take on global coordination and
The role etc. of adaptation.
VIM is responsible for calculating, storage and the Internet resources of control and management NFVI, usually sets on the basis of an operator
It applies in subdomain.One VIM with special disposal class NFVI resource or can manage a plurality of types of NFVI resources.It is available
Ability includes：The distribution/upgrading/of layout NFVI resource is deallocated/is recycled, manage virtualization resource and calculate, store,
The association of Internet resources；Manage the catalogue of hardware resource (calculating, storage, network) and software resource (such as management program)；It receives
The performance metric and event etc. of collection and forwarding virtualization resource.
On the basis of above-mentioned framework, the NS with specific function can be realized by multiple NF.What traditional network was realized
End-to-end NS is to be made of completely physical network function (Physical Network Function, PNF).It is realized in NFV
Then general both ends are still PNF to end-to-end NS, and centre is then completely or partially replaced by VNF.Function that each NF is realized and right
Outer interface is that PNF or VNF are unrelated with it.The topological relation that composition is linked between VNF and PNF can use VNF forwarding figure
(VNF Forwarding Graph, hereinafter referred to as VNFFG) is described, and the characteristic of each NF is described by corresponding network function
(Network Function Descriptor, hereinafter referred to as NFD) is accorded with to describe.
VNF needs the virtual resource (including virtual calculating, storage and Internet resources) provided based on NFVI to realize, this
A little virtual resources are virtualized to corresponding physical resource.PNF is realized based on physical resource.
Unlike in traditional network it is all control all concentrate on the network equipment of software and hardware integration, NFV introduce virtualization realize network
The software and hardware of equipment decouples, so that PNF and VNF level is mainly reflected in the control of business, and it is then main to the control of performance
It is embodied in NFVI hardware resource level especially therein.
In embodiments of the present invention, in order to realize to having instantiated and/or the image upgrade of uninstantiated virtual machine, and it is simultaneous
The version management function of holding tradition EMS, defines a set of mirror image management interface first between EMS and VNF and VNFM.Shown in following table
For the part of interface and parameter for realizing concrete function in the mirror image management interface.
It should be noted that the EMS of apparatus of the present invention application can be the managed network element in existing network, it is also possible to collect
At the EMS module into VNF.
In the specific implementation, it is necessary first to trigger image upgrade operation, can specifically be triggered manually by operation maintenance personnel, Huo Zheyou
Apparatus of the present invention actively trigger.
For example, upgrade image file is uploaded to EMS by operation maintenance personnel, and default by EMS when image release number updates
Upgrade trigger control triggering image upgrade operation；In another example the image release number on apparatus of the present invention inquiry VNF/VNFM, and will
The image release number inquired is compared with purpose image release number, is lower than purpose mirrored version in the image release number inquired
At this number, triggering image upgrade operation.
Following present invention embodiment actively triggers image upgrade operation and is illustrated.
Firstly, it is necessary to the image release number of VNF/VNFM be inquired, specifically, apparatus of the present invention further include：
Mirror image enquiry module 30 is generated and is carried for calling mirror image management interface when triggering image release inquiry operation
The mirror image inquiry request of the identification information of target virtual machine, and by mirror image inquiry request be sent to corresponding VNF to be checked or to
VNFM is inquired, for the VNF to be checked or described VNFM to be checked, based on the identification information-enquiry to the destination virtual
The image release number of machine, and encapsulate into mirror image inquiry response；
Receive the mirror image that the VNF to be checked or described VNFM to be checked calls the mirror image management interface to generate and return
Inquiry response, and parse the image release number that the mirror image inquiry response carries.
It should be noted that mirror image enquiry module 30, is mainly used for mirror image query function, when inquiring image release to VNF
Number when, for inquiring the current image release number of designated virtual machine；When inquiring mirror image to VNFM, for inquiring NFVO/VNFM/
The current image release number recorded in VNF (VNF inquired before i.e.) description file is specified on VIM.
Specifically, shown in mirror image inquiry request, that is, table 1 that mirror image enquiry module 30 calls mirror image management interface to generate
QueryimageRequest message carries the identification information of target virtual machine in the message.
VNF obtains the specified target virtual machine of message identification information when receiving QueryimageRequest message
Current image release number；And after getting the image release number of target virtual machine, the generation of mirror image management interface is called to take
The mirror image inquiry response of image release number, i.e. QueryImageRespone message shown in table 1 are inquired with it, are back to base
In the mirror image enquiry module 30 of EMS operation.
VNFM obtains the specified destination virtual of message identification information when receiving QueryimageRequest message
The current image release number of machine；And after getting the image release number of target virtual machine, mirror image management interface is called to generate
Its mirror image inquiry response for inquiring image release number, i.e. QueryImageRespone message shown in table 1 are carried, is back to
Mirror image enquiry module 30 based on EMS operation.
Mirror image enquiry module 30 therefrom solves after the QueryImageRespone message for receiving VNF/VNFM return
The image release number inquired is precipitated, and is transmitted to mirror image determination module 40.
Mirror image determination module 40 is after the image release number for receiving the transmission of mirror image enquiry module 30, by received mirror image
Version number is compared with purpose image release number, and such as needs to rise to determine the need for upgrading according to default escalation policy
Grade then triggers image upgrade operation, meanwhile, the VNF inquired before and VNFM are denoted as VNF and VNFM to be upgraded；Otherwise it determines not
It needs to upgrade.It should be noted that, it is determined here that needing to upgrade, mirror image determination module 40 triggers mirror in the present embodiment scene
As updating operation.
Image upgrade module 10 is in the image upgrade operation for detecting the triggering of mirror image determination module 40, creation upgrading text
Part, the upgrade image file that the specific image upgrade for uploading corresponding triggering operates to mirror image server.
Wherein, upgrade image file, that is, corresponding mirror of foregoing purpose image release number of the image upgrade operation of corresponding triggering
As file.Optionally, in other embodiments, also upgrade image file directly can be placed in the local EMS.
After successfully creating upgrade file, image upgrade module 10 calls the mirror image management interface, generates and carries institute
The first image upgrade request (for UpdateImageRequest message shown in table 1) of the download address of upgrade image file is stated,
First image upgrade request also carries to obtain new mirror image (i.e. upgrade image file) mark, new image release number, old image
Mark, old image version number, new image download address (download address of the i.e. described upgrade file), downloading username and password
Deng first image upgrade request is sent to VNF to be upgraded, is referred to indicating that VNF to be upgraded obtains the first image upgrade request
Fixed upgrade image file is upgraded, wherein VNF to be upgraded includes the virtual machine and uninstantiated virtual machine of instantiation.
VNF to be upgraded parses what the first new image upgrade request carried after receiving the first image upgrade request
New image banner, old image mark, old image version number, new image download address, downloads user name and close at new image release number
New image release number is compared with local image release number by code etc., VNF to be upgraded, and determination needs to upgrade, and uses aforementioned use
Name in an account book and password, which initiate image file downloading to the corresponding mirror image server in new image download address, requests, and downloads the upgrading mirror
As file.
After upgrade image file is completed in downloading, VNF to be upgraded starts to execute the upgrading of local image file, and is rising
After the completion of grade, the mirror image management interface of call definition generates and returns to the first image upgrade response (for shown in table 1
UpdateImageRepone message) to image upgrade module 10.Herein, the first image upgrade response carries the updating result of VNF
To upgrade successfully.Optionally, in other embodiments, the actual result that the first image upgrade response carries VNF is depended on wait rise
Whether grade VNF is upgraded successfully, if upgrading failure, can also carry failure cause.
For image upgrade module 10 in the first image response returned after receiving VNF to be upgraded and upgrading successfully, it is fixed to call
The mirror image management interface of justice generates the second image upgrade request (for UpdateImageRequest message shown in table 1), this second
Image upgrade request also carries to obtain new mirror image (i.e. upgrade image file) mark, new image release number, old image identify, are old
Image release number, new image download address (download address of the i.e. described upgrade file), downloading username and password etc., by this
Two image upgrades request is sent to the VNFM corresponding to VNF to be upgraded, to indicate that it is specified that VNFM obtains the second image upgrade request
Upgrade image file upgraded.
VNFM parses the new mirror image that the second new image upgrade request carries after receiving the second image upgrade request
Mark, new image release number, old image mark, old image version number, new image download address, downloading username and password etc.,
New image release number is compared VNFM with local image release number, and determination needs to upgrade, and uses aforementioned username and password
Image file downloading request is initiated to the corresponding mirror image server in new image download address, downloads the upgrade image file.
After upgrade image file is completed in downloading, VNFM carries out the upgrading of old image file, the upgrading that specifically will acquire
Image file is uploaded to default image file library, and updates its locally-stored related Mirror Info based on upgrade image file,
And update the mirror image relevant information retained on VNF descriptor VNFD and NFV composer NFVO.In the specific implementation, VNFM will
The upgrade image file of acquisition is uploaded to VIM, and the relevant letter of old image file saved on information updating NFVO is sent to NFVO
It ceases (old image version number is such as updated to the new image release number of upgrade image file), updates the old image file locally saved
Relevant information, and update the relevant information of old image file in VNFD.Wherein, it is relevant to update old image file by VNFM
The operation reusable prior art of information, the present invention are not particularly limited.
When completing updating operation, the mirror image management interface of VNFM call definition generates and returns to the second image upgrade and rings
It answers (for UpdateImageRepone message shown in table 1) to image upgrade module 10.Wherein, the second image upgrade response carries
The updating result of VNFM, including failure is upgraded successfully and upgrades, if upgrading failure, can also carry failure cause.
Correspondingly, in the present embodiment, mirror image checks the second mirror image liter that module 20 returns to VNFM after completing upgrading
Grade response is received, and to parse the updating result of VNFM from the second image upgrade response, judges the image upgrade of triggering
Whether operation succeeds, so it is easy to understand that when the updating result parsed is to upgrade successfully, then can determine the mirror image liter of triggering
Grade operation runs succeeded, and otherwise determines that the image upgrade operation of triggering executes failure.
Optionally, in other embodiments, when the updating result of the VNFM parsed is upgrading failure, mirror image checks mould
The transmission of block 20 instruction information indicates that mirror image determination module 40 triggers image upgrade operation again to mirror image determination module 40.
Optionally, in other embodiments, the first image upgrade request and the second mirror image that image upgrade module 10 generates
Upgrade request carries mirror image check code (for Checksum shown in table 1) respectively, obtains for VNF to be upgraded and VNFM to respective
Upgrade image file carry out integrality and authenticity verification, and verification pass through after carry out image file upgrading.
It should be noted that as shown in figure 4, in the above embodiment of the invention, apparatus of the present invention are based on EMS where it
Reference point SW4 between VNF is communicated, and apparatus of the present invention are connect based on the Ve-VNFM-em between EMS and VNFM where it
Mouth is communicated, and VNF is communicated with VNFM based on the Ve-Vn-vnf interface between the two, and VNFM and NFVO are based on therebetween
Or-Vnfm interface communicated, VNFM is communicated with VIM based on Vi-Vnfm interface between the two.
Further, in the present embodiment, image upgrade module 10 is also used to sending the second image upgrade request
To when VNFM failure, second image upgrade request is sent to VNF to be upgraded, and indicates that the VNF to be upgraded will
The second image upgrade request is forwarded to the VNFM.
In the present embodiment, it is transmitted when its message between EMS and VNFM cannot pass through Ve-VNFM-em interface, or
When not having direct link between EMS and the VNFM, the transmission that image upgrade module 10 sends the second upgrade request operates may
Failure, for this purpose, mirror image management message first can be forwarded to VNF to be upgraded through SW4 by image upgrade module 10, then by VNF to be upgraded
It is forwarded to VNFM.Wherein, mirror image management message includes its second image upgrade request and mirror image inquiry request etc..
The update device of network function virtualization image file proposed by the present invention, is connect by the mirror image management of call definition
Mouthful, can realize that net element business version and image file version while upgrade based on EMS, virtual machine for large scale deployment or
For the virtual machine of person's escalation process complexity, operation maintenance personnel operating procedure is simplified, meanwhile, can also it not cancel/create virtually
Image upgrade is done to virtual machine in the case where machine, is suitble to the smooth upgrade to the state virtual machine for having process data, and this hair
It is bright not need newly-built virtual machine, therefore be not required to occupy additional hardware resource.To which, the present invention can be efficiently to having instantiated
And/or uninstantiated virtual machine carries out image upgrade.
Further, it is based on first embodiment, proposes the second embodiment of apparatus of the present invention, it is in the present embodiment, described
Image upgrade module 10 is also used to calculate the eap-message digest of the upgrade image file, and by the eap-message digest of calculating and institute
It states upgrade image file and is packaged as upgrade package；Be also used to the upgrade package being uploaded to the mirror image server, for it is described to
Upgrade the VNF and VNFM after downloading to the upgrade package, parse the upgrade image file that the upgrade package carries with
And eap-message digest, and the eap-message digest for calculating the upgrade image file is compared with the eap-message digest parsed, than
To upgrading after success.
It should be noted that the present embodiment provides a more traditional check code is safer, to the complete of upgrade image file
Whole property and authenticity verification scheme, other can refer to aforementioned first embodiment, and details are not described herein again.
In embodiments of the present invention, image upgrade module 10 being disappeared using what is arranged first when uploading upgrade image file
It ceases digest algorithm (specifically by the upload end of upgrade image file, being arranged with the downloading end VNF/VNFM of upgrade image file)
Aforementioned upgrade image file is calculated, the eap-message digest for corresponding to aforementioned upgrade image file is obtained.Wherein, the present invention is to adopting
It is not particularly limited, can be chosen according to actual needs by those skilled in the art, for example, this implementation with which kind of Message Digest 5
Example calculates the eap-message digest of aforementioned upgrade image file using MD5 algorithm.
After the eap-message digest that upgrade image file is calculated, the eap-message digest of calculating and upgrade image file are beaten
Packet is upgrade package, and the upgrade package of packing is uploaded to mirror image server.Wherein, the present invention is not done to using which kind of packing manner
Concrete restriction.
Later, when generating the first image upgrade request of triggering VNF upgrading, aforementioned mirror image management interface is specifically called,
Generate the first image upgrade request for the download address for carrying aforementioned upgrade package；In the second mirror image liter for generating triggering VNFM upgrading
When grade request, aforementioned mirror image management interface is specifically called, generates the second image upgrade for carrying the download address of aforementioned upgrade package
Request.
On the other hand, VNF/VNFM to be upgraded is after downloading to upgrade package, except the integrality carried out based on check code and
Except authenticity verification, also further the upgrade package of downloading is parsed, obtains the upgrade image file of upgrade package carrying
And eap-message digest, and the upgrade image file parsed is calculated using the Message Digest 5 of agreement, then will calculate
It obtains eap-message digest to be compared with the eap-message digest parsed, to carry out based on eap-message digest the upgrade image file of downloading
Integrality and authenticity verification, wherein the two eap-message digest compare it is consistent when, verification passes through, otherwise verification failure.It is easy
Understand, VNF/VNFM to be upgraded and only upgraded when verification passes through.
The present invention also provides a kind of methods of network function virtualization image file upgrading, network function as shown in Figure 2
The device for virtualizing image file upgrading executes, referring to Fig. 5, in the method for inventive network virtualization of function image file upgrading
First embodiment in, corresponding to aforementioned network virtualization of function image file upgrading device first embodiment, the network
Virtualization of function image file upgrading method include：
Step S10 calls the mirror image management interface when triggering image upgrade operation, generates the first image upgrade and asks
It asks, and first image upgrade request is sent to VNF to be upgraded, to indicate that the VNF to be upgraded obtains first mirror
As the upgrade image file that upgrade request is specified is upgraded, wherein the VNF to be upgraded includes the virtual machine and not of instantiation
The virtual machine of instantiation；
Step S20 calls the mirror image management interface to generate and return after receiving the VNF to be upgraded and successfully upgrading
When the first image upgrade response returned, the mirror image management interface is called, generate the second image upgrade request, and by described second
Image upgrade request is sent to the VNFM of the corresponding VNF to be upgraded, to indicate that the VNFM obtains second image upgrade
The specified upgrade image file of request is upgraded, wherein the second image upgrade request is asked with first image upgrade
It asks and specifies identical upgrade image file；
Step S30 receives the VNFM after upgrading, the second mirror image for calling the mirror image management interface to generate and returning
Whether upgrading response is succeeded with the image upgrade operation triggered according to the second image upgrade response confirmation；
Wherein, the image file updating operation of the VNFM execution includes：
The upgrade image file that the VNFM will acquire is uploaded to default image file library, and based on the upgrade image text
Retain on part update VNFM locally-stored related Mirror Info, and update VNF descriptor VNFD and NFV composer NFVO
Mirror image relevant information.
In embodiments of the present invention, in order to realize to having instantiated and/or the image upgrade of uninstantiated virtual machine, and it is simultaneous
The version management function of holding tradition EMS, defines a set of mirror image management interface first between EMS and VNF and VNFM.Such as 1 institute of table
Show, for the part of interface and parameter for realizing concrete function in the mirror image management interface.
It should be noted that the EMS of apparatus of the present invention application can be the managed network element in existing network, it is also possible to collect
At the EMS module into VNF.
In the specific implementation, it is necessary first to trigger image upgrade operation, can specifically be triggered manually by operation maintenance personnel, Huo Zheyou
Apparatus of the present invention actively trigger.
For example, upgrade image file is uploaded to EMS by operation maintenance personnel, and default by EMS when image release number updates
Upgrade trigger control triggering image upgrade operation；In another example the image release number on apparatus of the present invention inquiry VNF/VNFM, and will
The image release number inquired is compared with purpose image release number, is lower than purpose mirrored version in the image release number inquired
At this number, triggering image upgrade operation.
Following present invention embodiment actively triggers image upgrade operation and is illustrated.
Firstly, it is necessary to the image release number of VNF/VNFM is inquired, before step S10, including：
When triggering image release inquiry operation, the mirror image management interface is called, generates the mark for carrying target virtual machine
Know the mirror image inquiry request of information, and the mirror image inquiry request is sent to corresponding VNF to be checked or VNFM to be checked, with
For the VNF to be checked or described VNFM to be checked, based on the identification information-enquiry to the mirrored version of the target virtual machine
This number；
Receive the mirror image that the VNF to be checked or described VNFM to be checked calls the mirror image management interface to generate and return
Inquiry response, and parse the image release number that the mirror image inquiry response carries.
Specifically, the device of aforementioned network virtualization of function image file upgrading further includes mirror image enquiry module 30, it is used for
When triggering image release inquiry operation, mirror image management interface is called, generates the mirror image for carrying the identification information of target virtual machine
Inquiry request, and mirror image inquiry request is sent to corresponding VNF to be checked or VNFM to be checked, for the VNF to be checked
Or the VNFM to be checked, based on the identification information-enquiry to the image release number of the target virtual machine, and encapsulate to mirror
As in inquiry response；
Receive the mirror image that the VNF to be checked or described VNFM to be checked calls the mirror image management interface to generate and return
Inquiry response, and parse the image release number that the mirror image inquiry response carries.
It should be noted that mirror image enquiry module 30, is mainly used for mirror image query function, when inquiring image release to VNF
Number when, for inquiring the current image release number of designated virtual machine；When inquiring mirror image to VNFM, for inquiring NFVO/VNFM/
The current image release number recorded in VNF (VNF inquired before i.e.) description file is specified on VIM.
Specifically, shown in mirror image inquiry request, that is, table 1 that mirror image enquiry module 30 calls mirror image management interface to generate
QueryimageRequest message carries the identification information of target virtual machine in the message.
VNF obtains the specified target virtual machine of message identification information when receiving QueryimageRequest message
Current image release number；And after getting the image release number of target virtual machine, the generation of mirror image management interface is called to take
The mirror image inquiry response of image release number, i.e. QueryImageRespone message shown in table 1 are inquired with it, are back to base
In the mirror image enquiry module 30 of EMS operation.
VNFM obtains the specified destination virtual of message identification information when receiving QueryimageRequest message
The current image release number of machine；And after getting the image release number of target virtual machine, mirror image management interface is called to generate
Its mirror image inquiry response for inquiring image release number, i.e. QueryImageRespone message shown in table 1 are carried, is back to
Mirror image enquiry module 30 based on EMS operation.
Mirror image enquiry module 30 therefrom solves after the QueryImageRespone message for receiving VNF/VNFM return
The image release number inquired is precipitated, and is transmitted to mirror image determination module 40.
Mirror image determination module 40 is after the image release number for receiving the transmission of mirror image enquiry module 30, by received mirror image
Version number is compared with purpose image release number, and such as needs to rise to determine the need for upgrading according to default escalation policy
Grade then triggers image upgrade operation, meanwhile, the VNF inquired before and VNFM are denoted as VNF and VNFM to be upgraded；Otherwise it determines not
It needs to upgrade.It should be noted that, it is determined here that needing to upgrade, mirror image determination module 40 triggers mirror in the present embodiment scene
As updating operation.
Image upgrade module 10 is in the image upgrade operation for detecting the triggering of mirror image determination module 40, creation upgrading text
Part, the upgrade image file that the specific image upgrade for uploading corresponding triggering operates to mirror image server.
Wherein, upgrade image file, that is, corresponding mirror of foregoing purpose image release number of the image upgrade operation of corresponding triggering
As file.Optionally, in other embodiments, also upgrade image file directly can be placed in the local EMS.
After successfully creating upgrade file, image upgrade module 10 calls the mirror image management interface, generates and carries institute
The first image upgrade request (for UpdateImageRequest message shown in table 1) of the download address of upgrade image file is stated,
First image upgrade request also carries to obtain new mirror image (i.e. upgrade image file) mark, new image release number, old image
Mark, old image version number, new image download address (download address of the i.e. described upgrade file), downloading username and password
Deng first image upgrade request is sent to VNF to be upgraded, is referred to indicating that VNF to be upgraded obtains the first image upgrade request
Fixed upgrade image file is upgraded, wherein VNF to be upgraded includes the virtual machine and uninstantiated virtual machine of instantiation.
VNF to be upgraded parses what the first new image upgrade request carried after receiving the first image upgrade request
New image banner, old image mark, old image version number, new image download address, downloads user name and close at new image release number
New image release number is compared with local image release number by code etc., VNF to be upgraded, and determination needs to upgrade, and uses aforementioned use
Name in an account book and password, which initiate image file downloading to the corresponding mirror image server in new image download address, requests, and downloads the upgrading mirror
As file.
After upgrade image file is completed in downloading, VNF to be upgraded starts to execute the upgrading of local image file, and is rising
After the completion of grade, the mirror image management interface of call definition generates and returns to the first image upgrade response (for shown in table 1
UpdateImageRepone message) to image upgrade module 10.Herein, the first image upgrade response carries the updating result of VNF
To upgrade successfully.Optionally, in other embodiments, the actual result that the first image upgrade response carries VNF is depended on wait rise
Whether grade VNF is upgraded successfully, if upgrading failure, can also carry failure cause.
For image upgrade module 10 in the first image response returned after receiving VNF to be upgraded and upgrading successfully, it is fixed to call
The mirror image management interface of justice generates the second image upgrade request (for UpdateImageRequest message shown in table 1), this second
Image upgrade request also carries to obtain new mirror image (i.e. upgrade image file) mark, new image release number, old image identify, are old
Image release number, new image download address (download address of the i.e. described upgrade file), downloading username and password etc., by this
Two image upgrades request is sent to the VNFM corresponding to VNF to be upgraded, to indicate that it is specified that VNFM obtains the second image upgrade request
Upgrade image file upgraded.
VNFM parses the new mirror image that the second new image upgrade request carries after receiving the second image upgrade request
Mark, new image release number, old image mark, old image version number, new image download address, downloading username and password etc.,
New image release number is compared VNFM with local image release number, and determination needs to upgrade, and uses aforementioned username and password
Image file downloading request is initiated to the corresponding mirror image server in new image download address, downloads the upgrade image file.
After upgrade image file is completed in downloading, VNFM carries out the upgrading of old image file, the upgrading that specifically will acquire
Image file is uploaded to default image file library, and updates its locally-stored related Mirror Info based on upgrade image file,
And update the mirror image relevant information retained on VNF descriptor VNFD and NFV composer NFVO.In the specific implementation, VNFM will
The upgrade image file of acquisition is uploaded to VIM, and the relevant letter of old image file saved on information updating NFVO is sent to NFVO
It ceases (old image version number is such as updated to the new image release number of upgrade image file), updates the old image file locally saved
Relevant information, and update the relevant information of old image file in VNFD.Wherein, it is relevant to update old image file by VNFM
The operation reusable prior art of information, the present invention are not particularly limited.
When completing updating operation, the mirror image management interface of VNFM call definition generates and returns to the second image upgrade and rings
It answers (for UpdateImageRepone message shown in table 1) to image upgrade module 10.Wherein, the second image upgrade response carries
The updating result of VNFM, including failure is upgraded successfully and upgrades, if upgrading failure, can also carry failure cause.
Correspondingly, in the present embodiment, mirror image checks the second mirror image liter that module 20 returns to VNFM after completing upgrading
Grade response is received, and to parse the updating result of VNFM from the second image upgrade response, judges the image upgrade of triggering
Whether operation succeeds, so it is easy to understand that when the updating result parsed is to upgrade successfully, then can determine the mirror image liter of triggering
Grade operation runs succeeded, and otherwise determines that the image upgrade operation of triggering executes failure.
Optionally, in other embodiments, when the updating result of the VNFM parsed is upgrading failure, mirror image checks mould
The transmission of block 20 instruction information indicates that mirror image determination module 40 triggers image upgrade operation again to mirror image determination module 40.
Optionally, in other embodiments, the first image upgrade request and the second mirror image that image upgrade module 10 generates
Upgrade request carries mirror image check code (for Checksum shown in table 1) respectively, obtains for VNF to be upgraded and VNFM to respective
Upgrade image file carry out integrality and authenticity verification, and verification pass through after carry out image file upgrading.
It should be noted that as shown in figure 4, in the above embodiment of the invention, apparatus of the present invention are based on EMS where it
Reference point SW4 between VNF is communicated, and apparatus of the present invention are connect based on the Ve-VNFM-em between EMS and VNFM where it
Mouth is communicated, and VNF is communicated with VNFM based on the Ve-Vn-vnf interface between the two, and VNFM and NFVO are based on therebetween
Or-Vnfm interface communicated, VNFM is communicated with VIM based on Vi-Vnfm interface between the two.
Further, in the present embodiment, after step S20, further include：
It requests sending second image upgrade to when VNFM failure, second image upgrade is requested to send
Extremely VNF to be upgraded, and indicate that second image upgrade request is forwarded to the VNFM by the VNF to be upgraded.
Specifically, image upgrade module 10 is also used to request to the VNFM to fail in transmission second image upgrade
When, second image upgrade request is sent to VNF to be upgraded, and indicate the VNF to be upgraded by the second mirror image liter
Grade request is forwarded to the VNFM.In the present embodiment, when its message between EMS and VNFM cannot pass through Ve-VNFM-em
When not having direct link between interface transmitting or EMS and the VNFM, image upgrade module 10 sends the second upgrade request
Sending operation may fail, for this purpose, mirror image management message first can be forwarded to VNF to be upgraded through SW4 by image upgrade module 10, then
VNFM is forwarded to by VNF to be upgraded.Wherein, mirror image management message includes that its second image upgrade request of institute and mirror image inquiry are asked
It asks.
The upgrade method of network function virtualization image file proposed by the present invention, is connect by the mirror image management of call definition
Mouthful, can realize that net element business version and image file version while upgrade based on EMS, virtual machine for large scale deployment or
For the virtual machine of person's escalation process complexity, operation maintenance personnel operating procedure is simplified, meanwhile, can also it not cancel/create virtually
Image upgrade is done to virtual machine in the case where machine, is suitble to the smooth upgrade to the state virtual machine for having process data, and this hair
It is bright not need newly-built virtual machine, therefore be not required to occupy additional hardware resource.To which, the present invention can be efficiently to having instantiated
And/or uninstantiated virtual machine carries out image upgrade.
Further, it is based on first embodiment, proposes the second embodiment of the method for the present invention, the corresponding to aforementioned device
Two embodiments, in the present embodiment, the upgrade image file that the aforementioned image upgrade for uploading corresponding triggering operates to mirroring service
The step of device includes：
The eap-message digest of the upgrade image file is calculated, and the eap-message digest of calculating and the upgrade image is literary
Part is packaged as upgrade package；
The upgrade package is uploaded to the mirror image server, so that the VNF to be upgraded and VNFM is being downloaded to
After the upgrade package, the upgrade image file and eap-message digest that the upgrade package carries are parsed, and calculate the liter
The eap-message digest of class mirror-image file is compared with the eap-message digest parsed, is upgraded after comparing successfully.
It should be noted that the present embodiment provides a more traditional check code is safer, to the complete of upgrade image file
Whole property and authenticity verification scheme, other can refer to aforementioned first embodiment, and details are not described herein again.
In embodiments of the present invention, image upgrade module 10 being disappeared using what is arranged first when uploading upgrade image file
It ceases digest algorithm (specifically by the upload end of upgrade image file, being arranged with the downloading end VNF/VNFM of upgrade image file)
Aforementioned upgrade image file is calculated, the eap-message digest for corresponding to aforementioned upgrade image file is obtained.Wherein, the present invention is to adopting
It is not particularly limited, can be chosen according to actual needs by those skilled in the art, for example, this implementation with which kind of Message Digest 5
Example calculates the eap-message digest of aforementioned upgrade image file using MD5 algorithm.
After the eap-message digest that upgrade image file is calculated, the eap-message digest of calculating and upgrade image file are beaten
Packet is upgrade package, and the upgrade package of packing is uploaded to mirror image server.Wherein, the present invention is not done to using which kind of packing manner
Concrete restriction.
Later, when generating the first image upgrade request of triggering VNF upgrading, aforementioned mirror image management interface is specifically called,
Generate the first image upgrade request for the download address for carrying aforementioned upgrade package；In the second mirror image liter for generating triggering VNFM upgrading
When grade request, aforementioned mirror image management interface is specifically called, generates the second image upgrade for carrying the download address of aforementioned upgrade package
Request.
On the other hand, VNF/VNFM to be upgraded is after downloading to upgrade package, except the integrality carried out based on check code and
Except authenticity verification, also further the upgrade package of downloading is parsed, obtains the upgrade image file of upgrade package carrying
And eap-message digest, and the upgrade image file parsed is calculated using the Message Digest 5 of agreement, then will calculate
It obtains eap-message digest to be compared with the eap-message digest parsed, to carry out based on eap-message digest the upgrade image file of downloading
Integrality and authenticity verification, wherein the two eap-message digest compare it is consistent when, verification passes through, otherwise verification failure.It is easy
Understand, VNF/VNFM to be upgraded and only upgraded when verification passes through.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of method of network function virtualization NFV image file upgrading, which is characterized in that define Element management system EMS
With the mirror image management interface between virtual network function VNF and virtual network function manager VNFM, this method includes following step
Suddenly：
When triggering image upgrade operation, the mirror image management interface is called, generate the first image upgrade request, and by described the
One image upgrade request is sent to VNF to be upgraded, to indicate that it is specified that the VNF to be upgraded obtains the first image upgrade request
Upgrade image file upgraded, wherein the VNF to be upgraded includes the virtual machine of instantiation and uninstantiated virtual
Machine；
After receiving the VNF to be upgraded and successfully upgrading, the first mirror image for calling the mirror image management interface to generate and returning
When upgrading response, the mirror image management interface is called, generates the second image upgrade request, and second image upgrade is requested
It is sent to the VNFM of the corresponding VNF to be upgraded, to indicate that the VNFM obtains the specified liter of the second image upgrade request
Class mirror-image file is upgraded, wherein the second image upgrade request is specified identical with first image upgrade request
Upgrade image file；
The VNFM is received after upgrading, the second image upgrade response called the mirror image management interface to generate and returned, with
Whether succeeded according to the image upgrade operation of the second image upgrade response confirmation triggering.
2. generating the first mirror the method according to claim 1, wherein described call the mirror image management interface
Before as the step of upgrade request, further include：
When triggering image upgrade operation, the upgrade image file of the image upgrade operation of corresponding triggering is uploaded to mirroring service
Device；
Described to call the mirror image management interface, generating the step of the first image upgrade is requested includes：
The mirror image management interface is called, the first image upgrade for generating the download address for carrying the upgrade image file is asked
It asks；
Described to call the mirror image management interface, generating the step of the second image upgrade is requested includes：
The mirror image management interface is called, the second image upgrade for generating the download address for carrying the upgrade image file is asked
It asks.
3. according to the method described in claim 2, it is characterized in that, the upgrading of the image upgrade operation for uploading corresponding triggering
Image file to the step of mirror image server includes：
The eap-message digest of the upgrade image file is calculated, and the eap-message digest of calculating and the upgrade image file are beaten
Packet is upgrade package；
The upgrade package is uploaded to the mirror image server, for the VNF to be upgraded and VNFM download to it is described
After upgrade package, the upgrade image file and eap-message digest that the upgrade package carries are parsed, and calculate the upgrading mirror
As the eap-message digest of file is compared with the eap-message digest parsed, upgraded after comparing successfully.
4. method according to claim 1-3, which is characterized in that the method also includes：
When triggering image release inquiry operation, the mirror image management interface is called, generates the mark letter for carrying target virtual machine
The mirror image inquiry request of breath, and the mirror image inquiry request is sent to corresponding VNF to be checked or VNFM to be checked, for institute
VNF to be checked or described VNFM to be checked is stated, based on the identification information-enquiry to the image release number of the target virtual machine；
Receive the mirror image inquiry that the VNF to be checked or described VNFM to be checked calls the mirror image management interface to generate and returns
Response, and parse the image release number that the mirror image inquiry response carries.
5. method according to claim 1-3, which is characterized in that described to request to send out by second image upgrade
After the step of sending to the VNFM, further include：
It requests sending second image upgrade to when VNFM failure, second image upgrade request is sent to institute
VNF to be upgraded is stated, and indicates that second image upgrade request is forwarded to the VNFM by the VNF to be upgraded.
6. a kind of device of network function virtualization NFV image file upgrading, which is characterized in that define Element management system EMS
With the mirror image management interface between virtual network function VNF and virtual network function manager VNFM, which includes：
Image upgrade module generates the first mirror image liter for calling the mirror image management interface when triggering image upgrade operation
Grade request, and first image upgrade request is sent to VNF to be upgraded, to indicate that the VNF to be upgraded obtains described the
The specified upgrade image file of one image upgrade request is upgraded, wherein the VNF to be upgraded includes the virtual machine of instantiation
With uninstantiated virtual machine；It is also used to after receiving the VNF to be upgraded and successfully upgrading, calls the mirror image management interface
Generate and return the first image upgrade response when, call the mirror image management interface, generate the second image upgrade request, and will
The second image upgrade request is sent to the VNFM of the corresponding VNF to be upgraded, to indicate that the VNFM obtains described second
The specified upgrade image file of image upgrade request is upgraded, wherein the second image upgrade request and first mirror
As upgrade request specifies identical upgrade image file；
Mirror image checks module, for receiving the VNFM after upgrading, call the mirror image management interface to generate and return the
Whether two image upgrades response is succeeded with the image upgrade operation triggered according to the second image upgrade response confirmation.
7. device according to claim 6, which is characterized in that the image upgrade module is also used in triggering image upgrade
When operation, the upgrade image file of the image upgrade operation of corresponding triggering is uploaded to mirror image server；It is also used to call the mirror
As management interface, the first image upgrade request for the download address for carrying the upgrade image file is generated；It is also used to call institute
Mirror image management interface is stated, the second image upgrade request for the download address for carrying the upgrade image file is generated.
8. device according to claim 7, which is characterized in that the image upgrade module is also used to calculate the upgrading mirror
Upgrade package is packaged as the eap-message digest of file, and by the eap-message digest of calculating and the upgrade image file；It is also used to
The upgrade package is uploaded to the mirror image server, so that the VNF to be upgraded and VNFM is downloading to the upgrading
After packet, the upgrade image file and eap-message digest that the upgrade package carries are parsed, and calculates the upgrade image text
The eap-message digest of part is compared with the eap-message digest parsed, is upgraded after comparing successfully.
9. according to the described in any item devices of claim 6-8, which is characterized in that described device further includes：
Mirror image enquiry module generates for when triggering image release inquiry operation, calling the mirror image management interface and carries mesh
Mark virtual machine identification information mirror image inquiry request, and by the mirror image inquiry request be sent to corresponding VNF to be checked or
VNFM to be checked, it is empty to the target based on the identification information-enquiry for the VNF to be checked or described VNFM to be checked
The image release number of quasi- machine；
Receive the mirror image inquiry that the VNF to be checked or described VNFM to be checked calls the mirror image management interface to generate and returns
Response, and parse the image release number that the mirror image inquiry response carries.
10. according to the described in any item devices of claim 6-8, which is characterized in that the image upgrade module is also used to sending out
When second image upgrade being sent to request to the VNFM to fail, second image upgrade request is sent to described to be upgraded
VNF, and indicate that second image upgrade request is forwarded to the VNFM by the VNF to be upgraded.
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| CN114745258A (en) * | 2020-12-23 | 2022-07-12 | 中移(苏州)软件技术有限公司 | Method, device, equipment and storage medium for generating network element function |
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