CN105591801A

CN105591801A - Virtual network function VNF fault processing method and VNF management equipment

Info

Publication number: CN105591801A
Application number: CN201510490497.4A
Authority: CN
Inventors: 代莉
Original assignee: Hangzhou H3C Technologies Co Ltd
Current assignee: Hangzhou H3C Technologies Co Ltd
Priority date: 2015-08-11
Filing date: 2015-08-11
Publication date: 2016-05-18
Anticipated expiration: 2035-08-11
Also published as: CN105591801B

Abstract

The invention discloses a virtual network function VNF fault processing method, which comprises the steps of arranging a memory block in an VNF of an NFV system in advance, disconnecting a management network and a service network of the VNF when confirming that the VNF fails, connecting a standby VNF, which is in mutual backup relation with the VNF in the NFV system, to the management network, sending description information and memory data to the standby VNF after the description information and the memory data of the memory block corresponding to the VNF are queried in a stored synchronization relation table, and finally starting a service network of the standby VNF after the standby VNF updates memory according to the description information and the memory data. Therefore, the master/standby switching of the VNF can be achieved conveniently and effectively when an VNF fault occurs in the NFV network, system resources required in fault switching implementation is reduced as much as possible, and the overall stability of the network is improved.

Description

A kind of virtual network function VNF fault handling method and VNF management equipment

Technical field

The present invention relates to communication technical field, particularly a kind of VNF fault handling method. The present invention is sameTime also relate to a kind of VNF management equipment.

Background technology

NFV (NetworkFunctionVirtualization, network function is virtual) is a kind of by makingThe software processing technology of carrying other functions with versatility hardware and Intel Virtualization Technology, is intended to reduce netThe equipment cost of network costliness. NFV is abstract by software and hardware decoupling zero and function, makes network equipment function no longerDepend on specialized hardware, resource can be shared fully flexibly, realizes fast Development and the deployment of new business,And carry out automatic deployment, elastic telescopic, Fault Isolation and self-healing etc. based on practical business demand.

Along with the rise of Intel Virtualization Technology, the day by day maturation of NFV technology, numerous network equipment vendors start to push awayGo out the network equipment based on virtual platform, as virtual router, virtual LB, virtual firewall etc. RightUse the more company of legacy network devices in operator, enterprise network etc., in order to meet in performance andThe high request of reliability aspect, generally can carry out hardware backup and link backup for legacy network devices.Wherein hardware backup by realize the modes such as dual master control carry out the hardware of equipment hot standby come raising equipment reliableProperty, link backup is that the backup that realizes service path by dual link improves link reliability.

Changed into after virtual unit by legacy equipment in environment for use, in order to ensure reliability and stability,Still need in virtual environment, carry out link backup. But because equipment itself is virtual, traditional is hardPart backup method is difficult to realize in the environment of virtual unit, can only adopt other modes to back up.

As shown in Figure 1, be the NFV framework schematic diagram in existing NFV environment, the VNF in this framework(virtual network function) manager Manager is responsible for the life cycle of VNF to manage, Yi JitongCross VNF self and realize the active/standby backup between virtual unit, thereby realize the situation of follow-up VNF faultLower switching between active and standby.

But inventor finds realizing in process of the present invention, if according to prior art by VNF fromBody is realized active and standby, need to when VNF starts, manually copy VNF by manual operation. WithTime, both will remain on duty main VNF and standby VNF simultaneously, so that follow-up based on businessSession is backed up in realtime and the switching of VNF when fault, main VNF and standby VNF in this processBe all the state in activating, technical staff need to realize the control valve of master/slave device in this VNF simultaneouslyThe operations such as reason, service conversation real-time synchronization, Networking Design and realization mechanism are very complicated. In addition, byBe all the state in activating in main VNF and standby VNF, backup VNF also will take IP resource, controlThe real-time synchronization of information processed, business information will consume extra LI(link interface) resource, thereby causes thing times meritHalf.

As can be seen here, easy the in the situation that of how there is VNF fault in NFV network, effectively realThe active and standby switching of existing VNF, and reduce and realize the needed system resource of failover as far as possible, ability becomeThe technical problem that field technique personnel are urgently to be resolved hurrily.

Summary of the invention

The invention discloses a kind of VNF fault handling method, in order to raise the efficiency and the base of simplicityOn plinth, realize the active and standby quick switching of VNF fault, and reduce and realize the needed system money of failoverSource, the method is applied to the virtual NFV system of network function that comprises VNF and VNF management equipmentIn, described VNF is provided with corresponding memory block, and the method comprises:

In the time confirming that described VNF breaks down, described VNF management equipment is by the managerial grid of described VNFNetwork and business network disconnect, and by mutually redundant for VNF with described VNF in described NFV systemBe connected to supervising the network;

Described VNF management equipment is inquired about the corresponding memory block of described VNF in the synchronized relation table of storageDescriptor and internal storage data, wherein, described synchronized relation table comprises current opening in described NFV systemWith descriptor and the internal storage data of the corresponding memory block of active and standby VNF;

Described VNF management equipment by the descriptor of the corresponding memory block of the described VNF inquiring and inDeposit data is sent to described standby VNF, so that described standby VNF is according to described descriptor and internal storage dataCarry out memory refreshing;

Described VNF management equipment is enabled the business network of described standby VNF.

Preferably, the descriptor of the corresponding memory block of described VNF comprises the corresponding memory block of described VNFAddress information and identification information, also comprise:

Described VNF management equipment receives the more new information that comes from the corresponding memory block of described VNF, wherein,Described more new information comprises identification information, address information and internal storage data;

Described VNF management equipment is according to the corresponding memory block identification information that more new information carries of described VNFUpgrade the internal storage data of the corresponding memory block of described VNF in described synchronized relation table with address information.

Preferably, the more new information of the corresponding memory block of described VNF carries address information and internal storage dataFor the interior poke after memory address and variation that in the corresponding memory block of described VNF, internal storage data changesAccording to.

Preferably, also comprise:

In the time that starting, described VNF judges whether to exist the backup corresponding with described VNF to activate mark;

If exist the backup corresponding with described VNF to activate mark, described VNF management equipment is at described VNFAfter completing startup, copy the described standby VNF of described VNF generation by clone, and by the pipe of described standby VNFReason network and business network are set to interrupt status;

Receive descriptor and the interior poke of all memory blocks that this VNF that described VNF reports is correspondingAccording to, in described synchronized relation table, set up the list item that described VNF is corresponding.

Preferably, described address information specifically comprises initial address and the end address of described internal storage data,Described identification information specifically comprises memory mark that the corresponding memory block data of described VNF are corresponding and with describedThe mark of VNF corresponding to the corresponding memory block data of VNF, also comprises:

Described descriptor and described internal storage data are after being sent to described standby VNF, by described standbyVNF according to memory mark corresponding to each described internal storage data and initial address and end address to selfInternal storage data cover renewal.

Preferably, also comprise:

When the business configuration of described VNF is occurring after changing, described VNF management equipment is deleted described sameList item corresponding to described VNF of having set up in step relation table;

By clone copy described business configuration after changing VNF generate described business configuration VNF after changingStandby VNF, and this supervising the network for VNF and business network are set to interrupt status;

Receive retouching of all memory blocks that this VNF that described business configuration VNF after changing reports is correspondingState information and internal storage data, in described synchronized relation table, set up described business configuration VNF couple after changingThe list item of answering.

Correspondingly, the invention allows for a kind of VNF management equipment, be applied to and comprise VNF and instituteState in the virtual NFV system of network function of VNF management equipment, it is characterized in that, described VNF establishesHave corresponding memory block, this equipment comprises:

Processing module, when confirm described VNF while breaking down by the supervising the network of described VNF and industryBusiness network disconnects, and will in described NFV system, be connected to pipe with the mutually redundant standby VNF of described VNFReason network;

Enquiry module, the descriptor of inquiring about the corresponding memory block of described VNF in the synchronized relation table of storageAnd internal storage data, wherein, described synchronized relation table comprise in described NFV system current enable active and standbyDescriptor and the internal storage data of the corresponding memory block of VNF;

Sending module, sends out descriptor and the internal storage data of the corresponding memory block of described VNF inquiringDeliver to described standby VNF, so that described standby VNF carries out internal memory according to described descriptor and internal storage dataUpgrade;

Enable module, enable the business network of described standby VNF.

Preferably, the descriptor of the corresponding memory block of described VNF comprises the corresponding memory block of described VNFAddress information and identification information, this equipment also comprises:

Receiver module, receives the more new information that comes from the corresponding memory block of described VNF, wherein, more describedNew information comprises identification information, address information and internal storage data;

More new module, according to the corresponding memory block identification information that more new information carries of described VNF and address letterBreath upgrades the internal storage data of the corresponding memory block of described VNF in described synchronized relation table.

Preferably, this equipment also comprises:

Judge module judges whether to exist the backup corresponding with described VNF to swash in the time that described VNF startsLive and identify;

Generation module completes at described VNF in the time existing the backup corresponding with described VNF to activate markAfter startup, copy described VNF by clone and generate described standby VNF, and by the managerial grid of described standby VNFNetwork and business network are set to interrupt status;

Set up module, receive the descriptor of all memory blocks that this VNF that described VNF reports is correspondingAnd internal storage data, in described synchronized relation table, set up the list item that described VNF is corresponding.

Preferably, this equipment also comprises:

Reshuffle module, when described synchronized relation table is occurring to delete after changing the business configuration of described VNFIn list item corresponding to described VNF set up, copy described business configuration VNF after changing by cloneGenerate the described business configuration standby VNF of VNF after changing, and by this supervising the network for VNF and industryBusiness network settings are interrupt status, receive described business configuration this VNF correspondence that VNF reports after changingDescriptor and the internal storage data of all memory blocks, in described synchronized relation table, set up described businessList item corresponding to VNF after configuration change.

By applying technical scheme of the present invention, in the VNF of NFV system, memory block is set in advance,In the time confirming that VNF breaks down, the supervising the network of this VNF and business network are disconnected, and by NFVIn system, be connected to supervising the network with the mutually redundant standby VNF of VNF, and the synchronized relation table of storingIn inquire after the descriptor of the corresponding memory block of VNF and internal storage data descriptor and interior pokeAccording to being sent to standby VNF, finally carry out after memory refreshing according to descriptor and internal storage data at standby VNFEnable the business network of standby VNF, thereby easy in the situation that of there is VNF fault in NFV network,Effectively realize the active and standby switching of VNF, and reduce and realize the needed system resource of failover as far as possible,Improve the stability of network entirety.

Brief description of the drawings

Fig. 1 is the NFV framework schematic diagram under NFV environment in prior art;

Fig. 2 is the schematic flow sheet of a kind of VNF fault handling method of proposing of the present invention

Fig. 3 is list/polylith service conversation memory block situation schematic diagram in the specific embodiment of the invention;

Fig. 4 is that in the specific embodiment of the invention, memory block upgrades schematic diagram;

Fig. 5 is the structural representation of a kind of VNF management equipment of proposing of the present invention.

Detailed description of the invention

The present invention proposes a kind of VNF fault handling method, under simple, fast prerequisite, rightVNF fault in NFV system is carried out quick hand-off process. The method is applied to and comprises VNF and VNFIn the NFV system of management equipment, in the VNF in this NFV system, all set in advance corresponding inCounterfoil.

Based on the VNF that is provided with the corresponding memory block of VNF, method flow schematic diagram of the present invention as shown in Figure 2,Comprise the following steps:

S201, in the time confirming that described VNF breaks down, described VNF management equipment is by described VNF'sSupervising the network and business network disconnect, and by mutually redundant with described VNF in described NFV systemStandby VNF is connected to supervising the network.

The synchronized relation table of the internal memory situation that table 1. records

For current VNF can be switched when the fault in time, the present invention is directed to NFV systemIn VNF arrange mutually redundant with it for VNF. In NFV system, VNF is connection management simultaneouslyNetwork and business network, supervising the network is that technical staff realizes the management purposes for this VNF, and industryBusiness network is the approach that this VNF outwards provides function.

That this is for VNF its supervising the network and business network after arranging with prior art differenceAll off-state (in isolation sleep state), only when current main VNF breaks downJust accessed, and in depositing according to synchronized relation table, deposited in the internal memory of the service conversation of current VNF thereinData. Therefore in the time detecting that VNF breaks down, the supervising the network of standby VNF need to be connected to realityBorder supervising the network, connects the supervising the network of current main VNF, business network to disconnect simultaneously.

For the consideration of efficiency and cost angle, technical staff can be only for carrying out active and standby weightWant VNF to carry out back-up processing. Particularly, VNF management equipment can be in the mistake that creates a VNF exampleIn journey (being VNF establishing stage), determine that according to the active and standby strategy setting in advance or instruction this VNF isNo needs back up, and if desired, VNF management equipment activates mark for this VNF arranges backup.

The preferred embodiment of the invention judges whether to exist the backup corresponding with VNF to swash in the time that VNF startsLive and identify, if exist, copy VNF by clone and generate standby VNF, and by the pipe of standby VNFReason network and business network are set to interrupt status. Thereby saving resource and avoid main VNF and standbyThe chaotic problem of network that VNF works brought simultaneously. Meanwhile, in order to guarantee after current VNF faultTo carry out synchronously for VNF in time, VNF management equipment also reports receive VNF in follow-up processDescriptor and the internal storage data of all memory blocks corresponding to this VNF, in synchronized relation table, set upAnd list item corresponding to renewal VNF.

It should be noted that, activate mark by backup and create standby VNF and synchronized relation table is set aboveProcess only for the preferred embodiment of the present invention is in order to realize the preferably side of enforcement of active and standby the proposed one of VNFCase, those skilled in the art can further improve on this basis or expand, and these all belong to thisThe protection domain of invention.

In daily use procedure, in VNF management equipment synchronized relation table need to VNF in VNFThe actual conditions of corresponding memory block are consistent, and therefore one aspect of the present invention setting is managed to VNF by VNFIts memory refreshing message about the corresponding memory block of self VNF of reason equipment timed sending, VNF on the other handEquipment more also will upgrade according to this memory block the correspondence of information updating self after new information receiving memory blockRelation table, in the preferred embodiment of the invention, VNF management equipment comes from described VNF receivingMemory block more implementation when new information is as follows:

Step a) described VNF management equipment receives the renewal that comes from the corresponding memory block of described VNF and disappearsBreath, wherein, described more new information comprises identification information, address information and internal storage data;

Step b) described VNF management equipment according to described VNF corresponding memory block more new information carryIdentification information and address information are upgraded the interior poke of the corresponding memory block of described VNF in described synchronized relation tableAccording to.

In a specific embodiment of the present invention, the concrete startup stage of VNF establishing stage and VNFImplementation procedure is as follows:

(1) VNF establishing stage

This VNF management equipment is in the time creating a VNF example, and VNF management equipment judges that this VNF isNo need to carry out active and standby, if need active and standby, this VNF management equipment will arrange for this VNF correspondingSpecial marking carry out active and standby associative operation so that follow-up.

(2) VNF startup stage

After VNF establishment is complete, VNF management equipment will be monitored the start-up course of VNF. If VNFIt is active and standby that the special marking of management equipment based in process (1) judges that this VNF needs, VNF management equipmentComplete all startup items (comprising initial configuration) rear clone and copy all empty machine of this VNF at VNF,Generate accordingly the mutually redundant standby VNF with VNF, and guarantee that this is connected all with external network for VNFInterrupt. Afterwards, (master) VNF opens up the foundation of separate traffic memory block for service conversation, and noticeVNF management equipment memory address range. Internal memory can be that an internal memory is shared in multi-service, can be also manyBusiness is independently kept in independent memory. Concrete schematic diagram as shown in Figure 3.

Above process for for VNF from creating the process of carrying out to move startup stage, at VNF placeIn the time of the operation phase, VNF management equipment will regularly detect the running status of this VNF, should thereby determineNormally whether VNF operation.

S202, described VNF management equipment is inquired about in described VNF correspondence in the synchronized relation table of storageThe descriptor of counterfoil and internal storage data, wherein, described synchronized relation table comprises in described NFV systemCurrent descriptor and the internal storage data of enabling the corresponding memory block of active and standby VNF.

In order to realize internal storage data in the current VNF real-time update in VNF management equipment, at VNFThe renewal of the corresponding memory block of constantly synchronous VNF of operation phase. For VNF, it is in passing throughThe counterfoil internal storage data that more new information transmission changes can be taked two kinds of different modes: mode one is for only sending outSend the internal storage data changing, mode is second for sending all internal storage datas. These two kinds of modes respectively haveQuality, mode one can reduce the needed data volume of each backup significantly, but need to be to currentNFV system and VNF arrange accordingly and improve, and can judge and identify internal storage dataIn there is change with respect to original internal storage data in which; Mode two is easy to implement, but transmission at every turnNeed to expend more data volume and device resource.

In the preferred embodiment of the invention, can take respectively following mode more for above two kinds of situationsThe internal storage data of new original memory block in synchronized relation table:

(1) described in the address information that the more new information of the corresponding memory block of VNF carries and internal storage data beInternal storage data after memory address and variation that in the corresponding memory block of VNF, internal storage data changes

In this case, VNF management equipment first obtain in described synchronized relation table with described memory block moreThe list item that the identification information that new information carries mates, then, VNF management equipment is according to described VNFThe corresponding memory block identification information that more new information carries and address information are upgraded the corresponding memory block of described VNF and are existedInternal storage data in described synchronized relation table.

In an example, VNF regularly sends to the business memory block that occurs to upgrade by new information moreVNF management equipment, correspondingly VNF management equipment is preserved the backup of business memory block. For reducing as far as possibleBackup data quantity, VNF can only transmit the interior nonresident portion of variation in the time of each backup, upgrade message format asShown in following table 2, corresponding renewal schematic diagram as shown in Figure 4:

Table 2. memory block upgrades message format

(2) the more new information of the corresponding memory block of VNF carries address information and internal storage data are VNFThe all internal storage datas of corresponding memory block.

In this case, VNF management equipment first obtain in described synchronized relation table with described memory block moreThe list item that the identification information that new information carries mates, then, VNF management equipment is according to described VNFThe corresponding memory block of corresponding this VNF of the memory block update of identification information that more new information carries is at described synchronized relationInternal storage data in table.

S203, described VNF management equipment is by the descriptor of the corresponding memory block of described VNF inquiringAnd internal storage data is sent to described standby VNF so that described standby VNF according to described descriptor and inDeposit data carries out memory refreshing.

In order to realize the backup of virtual unit under virtual environment, all current by what preserve by supervising the networkData in main VNF memory block are synchronized to standby VNF. VNF is according to address information in backup, and self is rightAnswer memory block to carry out internal memory covering, ensured so the main VNF before internal storage data and the fault in standby VNFIn internal storage data and memory location consistent.

In the preferred embodiment of the invention, address information can by the initial address of each section of internal storage data withAnd end address composition, identification information comprise the mark of the corresponding memory block data of described VNF and with instituteThe mark of stating VNF corresponding to the corresponding memory block data of VNF, standby VNF is obtaining memory refreshing messageAfter the descriptor and described internal storage data of the inside, by the starting point that internal storage data is corresponding according to each sectionLocation and end address are covered to internal storage data in the memory block that standby VNF is corresponding, thereby ensure standby VNFIn the internal storage data of service conversation consistent with the service conversation internal storage data that sends the VNF before fault.

S204, described VNF management equipment is enabled the business network of described standby VNF.

After by extremely standby the memory data copy of original main VNF VNF, can back up VNF'sBusiness network is enabled so that it outwards provides service. The VNF of record backup is simultaneously main VNF, and by thisThe relevant information of VNF is notified associated component (such as SDN controller etc.), thereby it is extensive to have realized businessMultiple to new main VNF.

In the process of the normal work of current VNF, if there is change in the business configuration of VNF,,VNF management equipment need to be deleted list item corresponding to described VNF of having set up in synchronized relation table, by gramGrand copy described business configuration after changing VNF generate the described business configuration standby VNF of VNF after changing,And this supervising the network for VNF and business network be set to interrupt status, receive described business configurationDescriptor and the internal storage data of all memory blocks that this VNF that VNF after changing reports is corresponding,In synchronized relation table, set up business configuration list item corresponding to VNF after changing.

The invention allows for a kind of VNF management equipment, as shown in Figure 5, this equipment is applied to and comprisesIn the virtual NFV system of network function of VNF and described VNF management equipment, described VNF is provided withCorresponding memory block, as shown in Figure 5, this equipment comprises:

Processing module 510, when confirm described VNF while breaking down by the supervising the network of described VNF andBusiness network disconnects, and will in described NFV system, be connected to the mutually redundant standby VNF of described VNFSupervising the network;

Enquiry module 520 is inquired about the description of the corresponding memory block of described VNF in the synchronized relation table of storageInformation and internal storage data, wherein, described synchronized relation table comprises the current master of enabling in described NFV systemDescriptor and the internal storage data of the standby corresponding memory block of VNF;

Sending module 530, by descriptor and the interior poke of the corresponding memory block of described VNF inquiringAccording to being sent to described standby VNF, so that described standby VNF carries out according to described descriptor and internal storage dataMemory refreshing;

Enable module 540, enable the business network of described standby VNF.

In concrete application scenarios, the descriptor of the corresponding memory block of described VNF comprises described VNFAddress information and the identification information of corresponding memory block, also comprise:

In concrete application scenarios, the address information that the more new information of the corresponding memory block of described VNF carriesAnd internal storage data is memory address and change that in the corresponding memory block of described VNF, internal storage data changesInternal storage data after change.

In concrete application scenarios, also comprise:

In concrete application scenarios, described address information specifically comprises the initial address of described internal storage dataAnd end address, described identification information specifically comprises internal memory corresponding to the corresponding memory block data of described VNFThe mark of mark and VNF corresponding to memory block data corresponding to described VNF, also comprises:

In concrete application scenarios, also comprise:

Through the above description of the embodiments, those skilled in the art can be well understood to thisBright can realization by hardware, the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product, and this is softPart product can be stored in a non-volatile memory medium, and (can be CD-ROM, USB flash disk, moves hardDish etc.) in, comprise that some instructions are in order to make a computer equipment (can be personal computer, takeBusiness device, or the network equipment etc.) each implements the method described in scene to carry out the present invention.

It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram of preferably implementing scene, in accompanying drawingModule or flow process might not be implement the present invention necessary.

It will be appreciated by those skilled in the art that the module in the device of implementing in scene can be according to implementing sceneDescription is distributed in to be implemented in the device of scene, also can carry out respective change and be positioned at and be different from this enforcementIn one or more devices of scene. The module of above-mentioned enforcement scene can be merged into a module, also canFurther to split into multiple submodules.

The invention described above sequence number, just to describing, does not represent the quality of implementing scene.

Disclosed is above only several concrete enforcement scene of the present invention, and still, the present invention is not limited toThis, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims

1. a virtual network function VNF fault handling method, is characterized in that, described method applicationIn the virtual NFV system of the network function that comprises VNF and VNF management equipment, described VNFBe provided with corresponding memory block, the method comprises:

2. the method for claim 1, is characterized in that, the retouching of the corresponding memory block of described VNFThe information of stating comprises address information and the identification information of the corresponding memory block of described VNF, also comprises:

3. method as claimed in claim 2, is characterized in that, the corresponding memory block of described VNF moreThe address information that new information carries and internal storage data are that in the corresponding memory block of described VNF, internal storage data occursInternal storage data after the memory address changing and variation.

4. the method as described in claim 2 or 3 any one, is characterized in that, also comprises:

5. method as claimed in claim 4, is characterized in that, described in described address information specifically comprisesThe initial address of internal storage data and end address, described identification information specifically comprises in described VNF correspondenceThe mark of VNF corresponding to the memory mark that counterfoil data are corresponding and memory block data corresponding to described VNFKnow, also comprise:

6. method as claimed in claim 4, is characterized in that, also comprises:

7. a virtual network function VNF management equipment, is applied to and comprises VNF and described VNFIn the virtual NFV system of network function of management equipment, it is characterized in that, described VNF is provided with correspondenceMemory block, this equipment comprises:

Enable module, enable the business network of described standby VNF.

8. VNF management equipment as claimed in claim 7, is characterized in that, in described VNF correspondenceThe descriptor of counterfoil comprises address information and the identification information of the corresponding memory block of described VNF, also comprises:

9. VNF management equipment as claimed in claim 8, is characterized in that, in described VNF correspondenceThe address information that the more new information of counterfoil carries and internal storage data are internal memory in the corresponding memory block of described VNFInternal storage data after the memory address that data change and variation.

10. the VNF management equipment as described in claim 8 or 9 any one, is characterized in that, also bagDraw together:

11. VNF management equipments as claimed in claim 10, is characterized in that described address informationThe initial address and the end address that specifically comprise described internal storage data, described identification information specifically comprises instituteState corresponding memory mark and the memory block data pair corresponding to described VNF of the corresponding memory block data of VNFThe mark of the VNF answering, also comprises:

12. VNF management equipments as claimed in claim 10, is characterized in that, also comprise: