CN106162507A - A kind of virtualize the flexible management method of network function and device - Google Patents
A kind of virtualize the flexible management method of network function and device Download PDFInfo
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- CN106162507A CN106162507A CN201510158884.8A CN201510158884A CN106162507A CN 106162507 A CN106162507 A CN 106162507A CN 201510158884 A CN201510158884 A CN 201510158884A CN 106162507 A CN106162507 A CN 106162507A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
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Abstract
The invention discloses and a kind of virtualize the flexible management method of network function and device, including: according to the parameter of virtualization network function VNF telescoping instruction, determine VNF example flexible after ability to be arrived, wherein, the parameter of VNF telescoping instruction include the mark of VNF example to be stretched and described VNF example flexible after ability parameter to be arrived；According to the ability that the VNF example determined is to be arrived after flexible, determine the deployment specification that VNF example should stretch；According to the deployment specification determined, VNF example is carried out scaling operation.The present invention specify which kind of parameter to carry out VNF scaling operation coordination by when different managing device initiation VNF stretches, and then avoids the flexible conflict of VNF.
Description
Technical field
The present invention relates to the management domain of wireless communication system, particularly relate to a kind of virtualization network function and stretch
The management method of contracting and device.
Background technology
At the management domain of wireless communication system, NMS (NMS, Network Management
System) interface and between Element management system (EMS, Element Management System)
It is referred to as northbound interface (Itf-N).EMS mainly completes International Telecommunication Union (ITU, International
Telecommunication Union) telecommunication management network (TMN, Telecommunications
Management Network) in NE management layer (EML) function, i.e. complete one or more shifting
The management function of dynamic communication equipment, the EMS being typically different between equipment supplier cannot be general.NMS
Mainly complete NML (NML) function in ITU TMN, be responsible for institute in a managed network
There is the management of network element.When there is multiple equipment supplier in managed network (referred to as subnet),
Can reach to manage the purpose of whole subnet by respective EMS management.
At present, in order to improve the motility of communication network, reduce management cost, operator initiate and carry
Go out network function virtualization (NFV, Network Functions Virtualization) concept, made
In the case of NFV technology, physical NE equipment originally by virtualize network function (VNF,
Virtualized Network Function) replace so that network function decouples with particular hardware.Such as Fig. 1
Shown in, VNF virtualizes architecture (NFVI, Network Functions with the network function of bottom
Virtualization Infrastructure) isolation.For the management of VNF, by EMS, VNF is entered
The maintenance management function that row is traditional, the life cycle management function of VNF is then by VNF manager
(VNFM) complete.The NFVI of bottom is managed by Virtual base architecture management device (VIM).
Concrete Network, is typically completed by one or more VNF.Management to Network,
Then carried out by NFV composer (NFVO).After realizing network function virtualization, from application layer
From the point of view of face, when will set up a Network example, it is necessary first to generate the VNF that Network needs
Example, then formed a Network example by one or more corresponding VNF examples, pass through network
Srvice instance provides Network.A benefit after network function virtualization is: along with Web vector graphic
The change of situation, can dynamically adjust the resource that the VNF of network consisting business is used, i.e. to VNF
Stretch, to improve the utilization rate of resource, reach energy-conservation purpose.
Preliminary research has been had currently for flexible (the including dilatation and capacity reducing) how carrying out VNF,
And give the flexible overall procedure of VNF.Simultaneously, it was also proposed that the flexible of VNF can by EMS
Initiate, it is also possible to initiated by VNFM.But current research is clearly the most same as EMS and VNFM
Time (or interval very short time) initiate should how to coordinate when VNF stretches, to avoid the flexible punching of VNF
Prominent, do not have clear and definite EMS to initiate when VNF stretches simultaneously yet it would be desirable to provide which kind of parameter can and VNFM
Coordinate, to avoid the flexible conflict of VNF.
Summary of the invention
In order to solve the problems referred to above, the present invention provide a kind of virtualize the flexible management method of network function and
Device, it is possible to the most different managing devices are initiated which kind of parameter to carry out VNF by when VNF stretches and stretched
Operational coordination, and then avoid the flexible conflict of VNF.
In order to achieve the above object, the present invention provides a kind of and virtualizes the management method that network function is flexible,
Including: according to the parameter of virtualization network function VNF telescoping instruction, determine that VNF example is wanted after flexible
Arrive ability, wherein, the parameter of VNF telescoping instruction include VNF example to be stretched mark and
Ability parameter to be arrived after described VNF example is flexible；Want after stretching according to the VNF example determined
The ability arrived, determines the deployment specification that VNF example should stretch；According to the deployment specification determined,
VNF example is carried out scaling operation.
Further, after the deployment specification that the described VNF of determination example should stretch, this management method
Also include: when not checking that described VNF example has had flexible target to be the flexible of described deployment specification
When operation is carrying out or is being prepared for starting, according to the deployment specification determined, VNF example is entered
Row scaling operation.
Further, when there are two or more to the VNF telescoping instruction of same VNF example,
This management method also includes: according to default flexible priority, determine the VNF to described VNF example
The parameter of telescoping instruction.
Further, this management method also includes: pre-set the virtualization network that VNF example is corresponding
In function descriptors VNFD, VNF disposes specification；
The deployment specification that the described VNF of determination example should stretch includes: according to the VNF example determined
Ability to be arrived after Shen Suo, in the VNFD that the described VNF example of corresponding lookup is corresponding, VNF disposes rule
Lattice define, and determine the deployment specification that described VNF example should stretch.
Further, described VNF example is carried out scaling operation include: according to the deployment rule determined
Lattice, determine the resource quantity that flexible rear VNF example needs, perform to change the resource of described VNF example
Operation, complete described VNF example is stretched.
Further, the described operation performing to change the resource of described VNF example includes:
The flexible request of approval VNF is sent to network function virtualization composer NFVO；NFVO from
Whether Virtual base architecture management device VIM inspection existing resource can meet the VNF of application is stretched；
VIM returns to NFVO and checks and reservation of resources result；If existing resource meets demand and subscribes successfully,
NFVO returns the response message that approval VNF is flexible；
After receiving the flexible response message of approval VNF, distribute corresponding resource to VIM request；VIM
After distribution respective resources, return and confirm message.
Further, the expression way of ability parameter to be arrived after described VNF example is flexible includes:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
Further, described VNF telescoping instruction is by VNFM, Element management system EMS, operation
Support system OSS, business support system BSS or NMS NMS are initiated.
The present invention also provides for a kind of virtualizing the managing device that network function is flexible, including: ability determines mould
Block, for according to the parameter of VNF telescoping instruction, determine VNF example flexible after ability to be arrived,
Wherein, the parameter of VNF telescoping instruction includes that the mark of VNF example to be stretched and described VNF are real
Ability parameter to be arrived after example is flexible；Dispose specification and determine module, for according to the VNF determined
Ability to be arrived after example is flexible, determines the deployment specification that VNF example should stretch；Processing module,
For according to the deployment specification determined, VNF example being carried out scaling operation.
Further, this managing device also includes: checks module, is used for checking that described VNF example is
The no scaling operation having had flexible target to be described deployment specification is carrying out or is being prepared for starting.
Further, this managing device also includes: parameter determination module, for when there being two or two
Time above to the VNF telescoping instruction of same VNF example, according to default flexible priority, it is right to determine
The parameter of the VNF telescoping instruction of described VNF example.
Further, this managing device also includes: arrange module, is used for pre-setting VNF example pair
In the VNFD answered, VNF disposes specification；
Described deployment specification determines module, specifically for: want after stretching according to the VNF example determined
The ability arrived, in the VNFD that the described VNF example of corresponding lookup is corresponding, VNF disposes specification,
Determine the deployment specification that described VNF example should stretch.
Further, described processing module, specifically for: according to the deployment specification determined, determine and stretch
The resource quantity that after contracting, VNF example needs, performs to change the operation of the resource of described VNF example, complete
Stretching of paired described VNF example.
Further, the expression way of ability parameter to be arrived after described VNF example is flexible includes:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
In the Managed Solution of the present invention, according to the parameter of VNF telescoping instruction, determine that VNF example stretches
After ability to be arrived, wherein, the parameter of VNF telescoping instruction includes the mark of VNF example to be stretched
The ability parameter that knowledge and described VNF example are to be arrived after stretching；Stretch according to the VNF example determined
After ability to be arrived, determine the deployment specification that VNF example should stretch；According to the deployment determined
Specification, carries out scaling operation to VNF example.The present invention specify that managing device initiates the flexible finger of VNF
Ability parameter to be arrived after providing VNF flexible when making, coordinates offer technology for VNF scaling operation real
Now ensure, and then avoid the flexible conflict of VNF.
Additionally, in present pre-ferred embodiments, parameter determination VNF according to VNF telescoping instruction is real
After the deployment specification that example should be stretched, when not checking that VNF example has had flexible target to be described portion
When the scaling operation of administration's specification is carrying out or is being prepared for starting, according to the deployment specification determined, right
VNF example carries out scaling operation.Or, when there are two or more to same VNF example
During VNF telescoping instruction, according to default flexible priority, determine the VNF to described VNF example
The parameter of telescoping instruction, the portion should stretched further according to the parameter determination VNF example of VNF telescoping instruction
Administration's specification, and according to the deployment specification determined, VNF example is carried out scaling operation.So, reach
Arrive the purpose coordinating VNF scaling operation between different managing devices (such as EMS and VNFM),
And then avoid the flexible conflict of VNF.
Accompanying drawing explanation
Fig. 1 is the virtualized Organization Chart of network function in prior art；
The stream of the management method that the virtualization network function that Fig. 2 provides for present pre-ferred embodiments stretches
Cheng Tu；
The flow process of the management method that the virtualization network function that Fig. 3 provides for the embodiment of the present invention one stretches
Figure；
The flow process of the management method that the virtualization network function that Fig. 4 provides for the embodiment of the present invention two stretches
Figure；
The flow process of the management method that the virtualization network function that Fig. 5 provides for the embodiment of the present invention three stretches
Figure；
The flow process of the management method that the virtualization network function that Fig. 6 provides for the embodiment of the present invention four stretches
Figure.
Detailed description of the invention
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that following institute
The preferred embodiment illustrated is merely to illustrate and explains the present invention, is not intended to limit the present invention.
The stream of the management method that the virtualization network function that Fig. 2 provides for present pre-ferred embodiments stretches
Cheng Tu.As in figure 2 it is shown, the manager that the virtualization network function that present pre-ferred embodiments provides stretches
Method includes:
Step 11: according to the parameter of VNF telescoping instruction, determines that VNF example is to be arrived after flexible
Ability, wherein, the parameter of VNF telescoping instruction includes mark and the VNF of VNF example to be stretched
Ability parameter to be arrived after example is flexible.
In this step, the expression way of ability parameter to be arrived after VNF example is flexible includes:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
In this step, VNF telescoping instruction is by virtualizing network function manager (VNFM), network element
Management system (EMS), OSS (OSS), business support system (BSS) or network
Management system (NMS) is initiated.Wherein, EMS sends VNF telescoping instruction to VNFM, permissible
It is by manually initiating, it is also possible to being to be automatically initiated by the functional module being positioned at EMS, the present invention is to this not
It is construed as limiting.When being initiated VNF telescoping instruction by OSS/BSS/NMS, OSS/BSS/NMS first will refer to
EMS is issued in order, EMS be transmitted to VNFM；Or, instruction is first issued by OSS/BSS/NMS
NFVO, is transmitted to VNFM by NFVO.When being initiated VNF telescoping instruction by OSS/BSS/NMS
Time, OSS/BSS/NMS sends VNF telescoping instruction to VNFM, can be by there being artificial initiation,
Can also be to be automatically initiated by the functional module being positioned at OSS/BSS/NMS, this be not construed as limiting by the present invention.
In this, the flexible of the VNF example that present pre-ferred embodiments is mentioned includes dilatation (scale out
Or scale up) and capacity reducing (scale in or scale down).
Wherein, dilatation includes two kinds of situations:
Extension (scale out): i.e. when VNF be can by multiple virtualization deployment units (VDU,
Virtualization Deployment Unit) composition when, the VDU increasing composition VNF example is real
Example, to increase the ability of VNF example；
Amplify (scale up): i.e. increase the configuration of the virtual machine (VM) running VNF example, as increased
Add CPU, internal memory, the network port etc., to increase the ability of VNF example；
Equally, capacity reducing also includes two kinds of situations:
Shrink (scale in): i.e. when VNF is can be made up of multiple VDU when, reduce composition
The VDU example of VNF example, to reduce the ability of VNF example；
Reduce (scale down): i.e. reduce the configuration of the virtual machine (VM) running VNF example, as
Reduce CPU, internal memory, the network port etc., to reduce the ability of VNF example.
Step 12: according to the ability that the VNF example determined is to be arrived after flexible, determines that VNF is real
The deployment specification that example should be stretched.
This method also includes: pre-set the virtualization network function descriptor that VNF example is corresponding
(VNFD) in, VNF disposes specification.This step is particularly as follows: according to the VNF example determined
Ability to be arrived after Shen Suo, in the VNFD that corresponding lookup VNF example is corresponding, VNF deployment specification is fixed
Justice, determines the deployment specification that VNF example should stretch.
Wherein, virtualization network function descriptor (VNFD, Virtualized Network Function
Descriptor) attribute being correlated with the present invention comprised has:
Monitoring parameter (monitoring_parameter), which is used for describing this VNF type can join
Number is monitored, and one or more parameter is determined for the deployment specification of this VNF type,
Show also the ability that this VNF type can provide, the example of these parameters includes but not limited to: every
Second call number (calls-per second, CPS), every second flow (flows per-second), user
Quantity (number-of-subscribers) etc.；
VNF disposes specification (deployment flavor), and being used for describing this VNF type can provide many
The ability of few rank, it is one or more as its portion that VNF disposes that specification utilizes in above-mentioned monitoring parameter
Administration's specification key index (flavour_key), represents different deployment specifications, such as when exhaling with per second
When being quantity as key index, can represent that VNF is not by the different values of call number per second
With disposing specification, 10,000 callings per second, 50,000 callings per second, often can be expressed as disposed specification
100,000 callings of second etc..
Step 13: according to the deployment specification determined, VNF example is carried out scaling operation.
This step is particularly as follows: according to the deployment specification determined, determine what flexible rear VNF example needed
Resource quantity, performs to change the operation of the resource of VNF example, completes to stretch VNF example.
Wherein, the described operation performing to change the resource of VNF example includes:
The flexible request of approval VNF is sent to network function virtualization composer (NFVO)；NFVO
The VNF that whether can meet application from Virtual base architecture management device (VIM) inspection existing resource stretches
Contracting；VIM returns to NFVO and checks and reservation of resources result；If existing resource meets demand and subscribes
Success, NFVO returns the response message that approval VNF is flexible；
After receiving the flexible response message of approval VNF, distribute corresponding resource to VIM request；VIM
After distribution respective resources, return and confirm message.
In an embodiment, after the step 12, this method also includes: when not checking VNF example
When the scaling operation having had flexible target to be described deployment specification is carrying out or is being prepared for starting, root
According to the deployment specification determined, VNF example is carried out scaling operation.
In another embodiment, when there are two or more, VNF of same VNF example is stretched
During instruction, this method also includes: according to default flexible priority, determine described VNF example
The parameter of VNF telescoping instruction.
Below in conjunction with specific embodiment, the present invention is described in detail in.
Embodiment one
The flow process of the management method that the virtualization network function that Fig. 3 provides for the embodiment of the present invention one stretches
Figure.As it is shown on figure 3, each step of embodiment one is specifically described:
Step 100: stretched by manual or automatic decision VNF to be started at EMS；
Step 101:EMS transmission VNF telescoping instruction is to VNFM, wherein, and VNF telescoping instruction
Parameter include the mark of VNF example to be stretched, VNF example flexible after ability parameter to be arrived；
Step 102:VNFM, according to the parameter of the VNF telescoping instruction received, determines that described VNF is real
The ability that example is to be arrived after carrying out stretching；
The ability that step 103:VNFM is to be arrived after carrying out stretching according to VNF example, corresponding lookup
In the VNFD that this VNF example is corresponding, VNF disposes specification, determines that this VNF example should stretch
The deployment specification arrived；
Specifically, this step refers to the value of basis " ability that VNF is to be arrived after stretching " parameter,
Call number the most per second (CPS)=3K, VNF in the VNFD that corresponding this VNF example of lookup is corresponding
Dispose specification, take the minimum gauge that can meet this Capability Requirement, such as this VNF example corresponding
The deployment specification available ability respectively CPS that in VNFD, VNF supports is 1K, 5K, 10K,
The most here the deployment specification determined is specification corresponding for CPS=5K；
Step 104:VNFM, according to the deployment specification determined, carries out scaling operation to VNF example；
The scaling operation of step 105:VNFM notice EMS above-mentioned VNF example completes.
Wherein, step 104 specifically includes following steps:
Step 1041:VNFM sends the flexible request of approval VNF to NFVO；
The VNF whether step 1042:NFVO can meet application from VIM inspection existing resource stretches,
If meeting, subscribe resource；
Step 1043:VIM returns to NFVO and checks and reservation of resources result；
Step 1044: if existing resource meets demand and subscribes successfully, NFVO returns to VNFM and criticizes
The response message that quasi-VNF is flexible；
Step 1045:VNFM distributes corresponding resource to VIM request；
After step 1046:VIM distribution respective resources, return to VNFM and confirm message.
Embodiment two
The flow process of the management method that the virtualization network function that Fig. 4 provides for the embodiment of the present invention two stretches
Figure.Embodiment two can avoid EMS and VNFM respectively to the while of same VNF example or relatively
Initiate in the short time period to produce conflict during same VNF scaling operation.As shown in Figure 4, to this
Each step of bright embodiment two is specifically described:
Step 201:VNFM receives VNF telescoping instruction, wherein, VNF telescoping instruction from EMS
Parameter include that the mark (e.g., vnfr_id) of VNF example to be stretched, VNF example are wanted after flexible
The ability parameter (e.g., deployment_flavour-flavour_key) arrived；
Step 202:VNFM, according to the parameter of the VNF telescoping instruction received, carries out pretreatment, as
Mark (vnfr_id) according to VNF example to be stretched determines to be intended to stretch which VNF example
Contracting, according to the ability parameter (deployment_flavour-that VNF example is to be arrived after flexible
Flavour_key) determine described VNF example carry out flexible after ability to be arrived, such as real as VNF
Example is a virtual group data network gateway (vPGW, virtual Packet Data
Network Gateway) time, after VNF example is flexible, ability parameter to be arrived is exactly calling per second time
Number (calls per second) is 10K, and i.e. maximum support 10,000 times per second calls；
Step 203: ability to be arrived after carrying out stretching according to VNF example, corresponding this VNF of lookup
In the VNFD that example is corresponding, VNF disposes specification, determines which portion this VNF example should stretch to
Administration's specification；
Step 204:VNFM checks that this VNF example has had flexible target to be above-mentioned deployment rule
The flexible of lattice is carrying out or is being prepared for starting, if having had flexible target is stretching of above-mentioned deployment specification
Contracting is carrying out or is being prepared for starting, then VNFM ignores the above-mentioned VNF telescoping instruction received, this
Flow process terminates, and otherwise, enters step 205；
Step 205:VNFM, according to the deployment specification determined, determines flexible rear VNF example needs
Resource quantity, specifically, be determine flexible after required for VDU corresponding to VNF example
The quantity of the resources such as CPU, internal memory, memory space；
The resource quantity that step 206:VNFM needs according to flexible rear VNF example, performs to change institute
State the operation of the resource of VNF example, complete this VNF example is stretched；The concrete execution of this step
Described in step 104 in embodiment one, therefore repeat no more in this；
Step 207:VNFM notice EMS has completed to stretch described VNF example, so that EMS
This VNF example is made corresponding subsequent operation, as carried out the configuration etc. of relevant parameter.
Embodiment three
The flow process of the management method that the virtualization network function that Fig. 5 provides for the embodiment of the present invention three stretches
Figure.Embodiment three can be avoided EMS and VNFM while or in relatively short period of time section same
VNF example initiates to produce conflict during any scaling operation.As it is shown in figure 5, below to embodiment three
Each step is specifically described:
Step 301:VNFM receives VNF telescoping instruction, wherein, VNF telescoping instruction from EMS
Parameter include but not limited to: to arrive after the mark of VNF example to be stretched, VNF example are flexible
Ability parameter；
Step 302:VNFM, according to the parameter of the VNF telescoping instruction received, determines that described VNF is real
The ability that example is to be arrived after carrying out stretching；
Step 303: ability to be arrived after carrying out stretching according to VNF example, corresponding this VNF of lookup
In the VNFD that example is corresponding, VNF disposes specification, determines which portion this VNF example should stretch to
Administration's specification；
Step 304:VNFM checks that VNFM self the most also initiates the flexible finger to this VNF example
Order, if it is not, then go to step 306；The most then go to step 305；
Step 305: check the flexible priority of systemic presupposition, determine this VNF example flexible after portion
Administration's specification；Specifically, if the priority of EMS is high, it is determined that the deployment after this VNF example is flexible
Specification is the deployment specification of the parameter determination sent according to EMS；Otherwise, after this VNF example is flexible
Disposing specification is the deployment specification that VNFM self determines.
Step 306:VNFM, according to the deployment specification determined, determines flexible rear VNF example needs
Resource quantity；
The resource quantity that step 307:VNFM needs according to flexible rear VNF example, performs to change institute
State the operation of the resource of VNF example, complete this VNF example is stretched；The flexible behaviour of VNF example
The process that implements made is with embodiment one, therefore repeats no more in this；
Step 308:VNFM notice EMS has completed to stretch described VNF example, so that EMS
This VNF example is made corresponding subsequent operation, as carried out the configuration etc. of relevant parameter.
Additionally, in the present embodiment, can i.e. judge whether to deposit after VNFM receives VNF telescoping instruction
At the VNF telescoping instruction of two or more same VNF examples, if there are two or more
The VNF telescoping instruction of same VNF example, the concrete reference step 305 that processes is to step 308, if not
Existing, the concrete reference step 306 that processes is to 308.Therefore repeat no more in this.
Embodiment four
The flow process of the management method that the virtualization network function that Fig. 6 provides for the embodiment of the present invention four stretches
Figure.As shown in Figure 6, each step of the embodiment of the present invention four is specifically described::
Step 401:NMS initiates the instruction stretching a VNF example, is entered by VNF example
The parameter that EMS, VNF telescoping instruction is issued in capable flexible instruction includes the mark of VNF example to be stretched
Knowledge, ability parameter to be arrived after stretching for VNF；
After step 402:EMS receives the VNF telescoping instruction to this VNF example that NMS sends,
This VNF telescoping instruction is transmitted to VNFM；
After step 403:VNFM receives the VNF telescoping instruction that EMS sends, according to the VNF received
The parameter of telescoping instruction, determine described VNF example carry out flexible after ability to be arrived；
Step 404: ability to be arrived after carrying out stretching according to VNF example, corresponding this VNF of lookup
In the VNFD that example is corresponding, VNF disposes specification, determines which portion this VNF example should stretch to
Administration's specification；
Step 405:VNFM checks that this VNF example has had flexible target to be above-mentioned deployment rule
The flexible of lattice is carrying out or is being prepared for starting, if having had flexible target is stretching of above-mentioned deployment specification
Contracting is carrying out or is being prepared for starting, then VNFM ignores the above-mentioned VNF telescoping instruction received, this
Flow process terminates, and otherwise, enters step 406；
Step 406:VNFM, according to the deployment specification determined, determines flexible rear VNF example needs
Resource quantity；
The resource quantity that step 407:VNFM needs according to flexible rear VNF example, performs to change institute
State the operation of the resource of VNF example, complete this VNF example is stretched；Wherein, VNF example
The process that implements of scaling operation is with embodiment one, therefore repeats no more in this；
Step 408:VNFM notice EMS has completed to stretch described VNF example, so that EMS
This VNF example is made corresponding subsequent operation, as carried out the configuration etc. of relevant parameter；
Step 409:EMS notice NMS is complete and stretches VNF example.
Embodiment five
The method that the virtualization network function that the embodiment of the present invention five provides stretches is with the difference of embodiment four
Being: in embodiment five, VNF telescoping instruction is initiated by OSS.Specifically, OSS initiation is right
One VNF example carries out the instruction stretched, and the instruction that VNF example carries out stretching is issued EMS；
The parameter of VNF telescoping instruction includes that the mark of VNF example to be stretched, VNF example to arrive after flexible
The ability parameter reached；After EMS receives the VNF telescoping instruction to this VNF example that OSS sends,
This VNF telescoping instruction is transmitted to VNFM；Processing with the step 403 of embodiment four to step afterwards
Rapid 408, therefore repeat no more in this；Finally, complete VNF flexible after, EMS notice OSS is the completeest
VNF example is flexible in pairs.
Embodiment six
The method that the virtualization network function that the embodiment of the present invention six provides stretches is with the difference of embodiment four
Being: in embodiment six, VNF telescoping instruction is initiated by BSS.Specifically, BSS initiation is right
One VNF example carries out the instruction stretched, and the instruction that VNF example carries out stretching is issued EMS；
The parameter of VNF telescoping instruction includes that the mark of VNF example to be stretched, VNF example to arrive after flexible
The ability parameter reached；After EMS receives the VNF telescoping instruction to this VNF example that BSS sends,
This VNF telescoping instruction is transmitted to VNFM；Processing with the step 403 of embodiment four to step afterwards
Rapid 408, therefore repeat no more in this；Finally, complete VNF flexible after, EMS notice BSS is the completeest
VNF example is flexible in pairs.
Embodiment seven
The method that the virtualization network function that the embodiment of the present invention seven provides stretches is with the difference of embodiment four
Being: in embodiment seven, VNF telescoping instruction is initiated by NMS.Specifically, NMS initiates
The instruction stretching a VNF example, issues NFVO by the instruction that VNF example carries out stretching；
The parameter of VNF telescoping instruction includes that the mark of VNF example to be stretched, VNF example to arrive after flexible
The ability parameter reached；After NFVO receives the VNF telescoping instruction to this VNF example that NMS sends,
This VNF telescoping instruction is transmitted to VNFM；Processing with the step 403 of embodiment four to step afterwards
Rapid 408, therefore repeat no more in this；Finally, complete VNF flexible after, EMS notice NMS is the completeest
VNF example is flexible in pairs.
Embodiment eight
The method that the virtualization network function that the embodiment of the present invention eight provides stretches is with the difference of embodiment four
Being: in embodiment eight, VNF telescoping instruction is initiated by OSS, and is transmitted to by NFVO
VNFM.Specifically, OSS initiates the instruction stretching a VNF example, and VNF is real
NFVO is issued in the instruction that example carries out stretching；The parameter of VNF telescoping instruction includes that VNF to be stretched is real
Ability parameter to be arrived after the mark of example, VNF example are flexible；NFVO receives the right of OSS transmission
After the VNF telescoping instruction of this VNF example, this VNF telescoping instruction is transmitted to VNFM；Afterwards
Process with the step 403 of embodiment four to step 407, therefore repeat no more in this；Finally, complete
After VNF is flexible, VNFM notice NFVO is complete and stretches VNF example；NFVO notifies
OSS is complete and stretches VNF example.
Embodiment nine
The method that the virtualization network function that the embodiment of the present invention nine provides stretches is with the difference of embodiment four
Being: in embodiment nine, VNF telescoping instruction is initiated by BSS, and is transmitted to by NFVO
VNFM.Specifically, BSS initiates the instruction stretching a VNF example, and VNF is real
NFVO is issued in the instruction that example carries out stretching；The parameter of VNF telescoping instruction includes that VNF to be stretched is real
Ability parameter to be arrived after the mark of example, VNF example are flexible；NFVO receives the right of BSS transmission
After the VNF telescoping instruction of this VNF example, this VNF telescoping instruction is transmitted to VNFM；Afterwards
Process with the step 403 of embodiment four to step 407, therefore repeat no more in this；Finally, complete
After VNF is flexible, VNFM notice NFVO is complete and stretches VNF example；NFVO notifies
BSS is complete and stretches VNF example.
It should be noted that EMS is according to the concrete processing procedure reference of the parameter of VNF telescoping instruction
VNFM, therefore repeat no more in this.
Additionally, present pre-ferred embodiments also provides for a kind of virtualizing the managing device that network function is flexible,
Including: ability determines module, for the parameter according to VNF telescoping instruction, determines that VNF example stretches
After ability to be arrived, wherein, the parameter of VNF telescoping instruction includes the mark of VNF example to be stretched
The ability parameter that knowledge and described VNF example are to be arrived after stretching；Dispose specification and determine module, for root
According to the ability that the VNF example determined is to be arrived after flexible, determine the deployment that VNF example should stretch
Specification；Processing module, for according to the deployment specification determined, carrying out scaling operation to VNF example.
Wherein, the expression way of ability parameter to be arrived after described VNF example is flexible includes:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
In a preferred embodiment, above-mentioned managing device also includes: check module, is used for checking described
The scaling operation that VNF example has had flexible target to be described deployment specification is being carried out or
Prepare to start.
In a preferred embodiment, above-mentioned managing device also includes: parameter determination module, for when existing
When two or more are to the VNF telescoping instruction of same VNF example, according to default flexible preferential
Level, determines the parameter of VNF telescoping instruction to described VNF example.
In a preferred embodiment, above-mentioned managing device also includes: arrange module, is used for pre-setting
In the VNFD that VNF example is corresponding, VNF disposes specification.Dispose specification and determine module, specifically use
In: according to the ability that VNF example is to be arrived after flexible, the described VNF example of corresponding lookup is corresponding
In VNFD, VNF disposes specification, determines the deployment specification that described VNF example should stretch.
In a preferred embodiment, processing module, specifically for: according to the deployment specification determined, really
The resource quantity that fixed flexible rear VNF example needs, performs to change the operation of the resource of described VNF example,
Complete described VNF example is stretched.
Additionally, the concrete processing procedure of managing device provided about present pre-ferred embodiments is with above-mentioned side
Described in method, therefore repeat no more in this.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.This
Bright it is not restricted to the described embodiments, the simply explanation present invention's described in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications,
These changes and improvements both fall within scope of the claimed invention.
Claims (14)
1. one kind virtualizes the management method that network function is flexible, it is characterised in that including:
According to the parameter of virtualization network function VNF telescoping instruction, determine that VNF example to arrive after flexible
The ability reached, wherein, the parameter of VNF telescoping instruction includes mark and the institute of VNF example to be stretched
State ability parameter to be arrived after VNF example stretches；
According to the ability that the VNF example determined is to be arrived after flexible, determine that VNF example should stretch and arrive
Deployment specification；
According to the deployment specification determined, VNF example is carried out scaling operation.
2. management method as claimed in claim 1, it is characterised in that described determine VNF example
After the deployment specification that should stretch, also include:
When the scaling operation not checking that described VNF example has had flexible target to be described deployment specification
When carrying out or be prepared for starting, according to the deployment specification determined, VNF example is stretched
Contracting operation.
3. management method as claimed in claim 1, it is characterised in that when exist two or two with
On to the VNF telescoping instruction of same VNF example time, also include: according to default flexible priority,
Determine the parameter of VNF telescoping instruction to described VNF example.
4. the management method as described in any one of claims 1 to 3, it is characterised in that also include:
Pre-set VNF deployment specification in the virtualization network function descriptor VNFD that VNF example is corresponding fixed
Justice；
The deployment specification that the described VNF of determination example should stretch includes: according to the VNF example determined
Ability to be arrived after Shen Suo, in the VNFD that the described VNF example of corresponding lookup is corresponding, VNF disposes rule
Lattice define, and determine the deployment specification that described VNF example should stretch.
5. the management method as described in any one of claims 1 to 3, it is characterised in that: described right
VNF example carries out scaling operation and includes: according to the deployment specification determined, determines that flexible rear VNF is real
The resource quantity that example needs, performs to change the operation of the resource of described VNF example, completes described VNF
Stretching of example.
6. management method as claimed in claim 5, it is characterised in that: described execution changes described
The operation of the resource of VNF example includes:
The flexible request of approval VNF is sent to network function virtualization composer NFVO；NFVO from
Whether Virtual base architecture management device VIM inspection existing resource can meet the VNF of application is stretched；
VIM returns to NFVO and checks and reservation of resources result；If existing resource meets demand and subscribes successfully,
NFVO returns the response message that approval VNF is flexible；
After receiving the flexible response message of approval VNF, distribute corresponding resource to VIM request；VIM
After distribution respective resources, return and confirm message.
7. management method as claimed in claim 1, it is characterised in that: described VNF example stretches
After the expression way of ability parameter to be arrived include:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
8. management method as claimed in claim 1, it is characterised in that: described VNF telescoping instruction
By VNFM, Element management system EMS, OSS OSS, business support system BSS or
NMS NMS is initiated.
9. one kind virtualizes the managing device that network function is flexible, it is characterised in that including:
Ability determines module, for the parameter according to VNF telescoping instruction, after determining that VNF example is flexible
Ability to be arrived, wherein, the parameter of VNF telescoping instruction includes the mark of VNF example to be stretched
And described VNF example flexible after ability parameter to be arrived；
Dispose specification and determine module, for the ability to be arrived after flexible according to the VNF example determined,
Determine the deployment specification that VNF example should stretch；
Processing module, for according to the deployment specification determined, carrying out scaling operation to VNF example.
10. managing device as claimed in claim 9, it is characterised in that also include: check module,
For checking that scaling operation that described VNF example had flexible target to be described deployment specification is just
Carrying out or be prepared for starting.
11. managing devices as claimed in claim 9, it is characterised in that also include: parameter determination mould
Block, for when there are two or more to the VNF telescoping instruction of same VNF example, according to
The flexible priority preset, determines the parameter of VNF telescoping instruction to described VNF example.
12. managing devices as described in any one of claim 9 to 11, it is characterised in that also include:
Module is set, disposes specification for pre-setting VNF in the VNFD that VNF example is corresponding；
Described deployment specification determines module, specifically for: want after stretching according to the VNF example determined
The ability arrived, in the VNFD that the described VNF example of corresponding lookup is corresponding, VNF disposes specification,
Determine the deployment specification that described VNF example should stretch.
13. managing devices as described in any one of claim 9 to 11, it is characterised in that described place
Reason module, specifically for: according to the deployment specification determined, determine what flexible rear VNF example needed
Resource quantity, performs to change the operation of the resource of described VNF example, completes described VNF example
Flexible.
14. managing devices as claimed in claim 9, it is characterised in that: described VNF example stretches
After the expression way of ability parameter to be arrived include:
Specify the ability that flexible rear VNF example can provide；Or,
Specifying the ability of VNF example after stretching is the percentage ratio of existing force.
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| CN201510158884.8A CN106162507A (en) | 2015-04-03 | 2015-04-03 | A kind of virtualize the flexible management method of network function and device |
| PCT/CN2015/092444 WO2016155291A1 (en) | 2015-04-03 | 2015-10-21 | Method and apparatus for managing virtualized network function scaling |
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| CN110830272A (en) * | 2018-08-07 | 2020-02-21 | 中国移动通信有限公司研究院 | Operation control method, device and equipment of VNF (virtual network element) |
| CN111698104A (en) * | 2019-03-12 | 2020-09-22 | 华为技术有限公司 | Operation and maintenance operation method, device, equipment and storage medium of virtual network function |
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| WO2016155291A1 (en) | 2016-10-06 |
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