CN107566319A - The instant transfer method of virtual machine - Google Patents
The instant transfer method of virtual machine Download PDFInfo
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- CN107566319A CN107566319A CN201610507020.7A CN201610507020A CN107566319A CN 107566319 A CN107566319 A CN 107566319A CN 201610507020 A CN201610507020 A CN 201610507020A CN 107566319 A CN107566319 A CN 107566319A
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Abstract
A kind of instant transfer method of virtual machine, it is comprised the steps of：The virtual machine that first main frame run is linked to by client；By the first main frame in transfer time, the status data of virtual machine is sent to the second main frame, wherein the first main frame and the second main frame are located at different network domains；The variable quantity of the status data of the virtual machine in transfer time is sent to the second main frame by the first main frame；Second main frame is linked to by the conversion of the first host notification client；And the notice according to the first main frame, network package delivery rules are changed by client, so that client links to the second main frame, and virtual machine is run according to the status data and variable quantity of virtual machine by the second main frame, to keep the line of client and virtual machine.The problem of in this way, when that can improve virtual machine and transferred immediately, causing network service outages, and influence the reliability of network service, and bringing user's bad network operation experience.
Description
Technical field
The invention relates to a kind of web services technologies, and in particular to a kind of virtual machine side of transfer immediately
Method.
Background technology
It is empty as infrastructure is to service the fast development of (IaaS, Infrastructure as Service) in recent years
Intend machine (Virtual Machine) when carrying out transferring (Live Migration) immediately, the reliability of its network service is got over
It is aobvious important.If when virtual machine is transferred immediately, network service outages are caused, the reliability of network service will be influenceed, and
Bring the bad network operation experience of user.
As can be seen here, above-mentioned existing mode, it is clear that still suffer from inconvenience and defect, and have much room for improvement.It is above-mentioned in order to solve
Problem, association area there's no one who doesn't or isn't painstakingly seeks solution, but does not develop appropriate solution yet for a long time.
The content of the invention
The content of the invention aims to provide simplifying for the present invention and made a summary, so that reader possesses basic understanding to the present invention.This
The complete overview of the content of the invention and non-invention, and its be not intended to point out the key/critical element of the embodiment of the present invention or
Define the scope of the present invention.
One purpose of present invention is to provide a kind of instant transfer method of virtual machine, so as to improving prior art
Problem.
For the above-mentioned purpose, a technical scheme of present invention be on a kind of instant transfer method of virtual machine, its
It is characterised by, comprises the steps of：The virtual machine that first main frame run is linked to by client；By the first main frame in transfer
In time, the status data of virtual machine is sent to the second main frame, wherein the first main frame and the second main frame are located at different network domains；
The variable quantity of the status data of the virtual machine in transfer time is sent to the second main frame by the first main frame；Led to by the first main frame
Know that client conversion links to the second main frame；And the notice according to the first main frame, network package transmission rule are changed by client
Then, so that client links to the second main frame, and run by the second main frame according to the status data and variable quantity of virtual machine
Virtual machine, to keep the line of client and virtual machine.
In one embodiment, it is characterised in that the step of linking to the second main frame by the conversion of the first host notification client is wrapped
Contain：Package is sent to the second main frame by the first host notification client.
In another embodiment, it is characterised in that network package delivery rules are changed by client, so that client line
Included to the step of the second main frame：The Internet protocol suite address (IP address) of transmission package is changed by client, from the
The Internet protocol suite address of one main frame is changed to the Internet protocol suite address of the second main frame.
In another embodiment, it is characterised in that under the situation of the Internet protocol suite address of change transmission package, together
The virtual machine that the main frames of Shi Kaiqi second are run.
In another embodiment, it is characterised in that the instant transfer method of virtual machine also includes：In the second main frame according to void
Intend machine status data and variable quantity and after running virtual machine, it is run by the first Host Shutdown virtual machine.
In one embodiment, it is characterised in that the instant transfer method of virtual machine also includes：When another client links to
During the first main frame, the virtual machine for linking to the second main frame and being run is changed by another client of the first host notification.
In another embodiment, it is characterised in that when another client links to the first main frame, by the first host notification
The step of another client conversion links to the virtual machine that the second main frame is run includes：When another client links to first
During main frame, judge whether another client is malicious client by the first main frame, be if the first main frame judges that another client is non-
Malicious client, then the virtual machine for linking to the second main frame and being run is changed by another client of the first host notification.
In another embodiment, it is characterised in that by the first main frame judge another client whether be malicious client step
Suddenly include：If the first main frame judges that another client is malicious client, the line of another client is blocked by the first main frame.
In another embodiment, it is characterised in that the first main frame and the second main frame are connected to network file system server.
In one embodiment, it is characterised in that the status data of virtual machine includes central processing unit status data and memory
Body status data.
Therefore, technique according to the invention content, the embodiment of the present invention is by providing a kind of virtual machine side of transfer immediately
Method, when being transferred immediately so as to improving virtual machine, network service outages are caused, and influence the reliability of network service, and
Bring the problem of bad network operation of user is experienced.
After refering to following description, persond having ordinary knowledge in the technical field of the present invention, which works as, can will readily appreciate that this
The essence spirit of invention and other goals of the invention, and the technology used in the present invention means and embodiment aspect.
Brief description of the drawings
For above and other purpose, feature, advantage and the embodiment of the present invention can be become apparent, appended accompanying drawing is said
It is bright as follows：
Fig. 1 is a kind of flow chart of the instant transfer method of virtual machine illustrated according to an embodiment of the present invention；
Fig. 2 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to another embodiment of the present invention
Operation chart；
Fig. 3 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to a further embodiment of the present invention
Operation chart；
Fig. 4 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to a further embodiment of this invention
Operation chart；
Fig. 5 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to another embodiment of the present invention
Operation chart.
According to usual operating type, various features are not drawn to scale with element in figure, its drafting mode be in order to
Specific features and element related to the present invention are presented in optimal manner.In addition, between different accompanying drawings, with same or analogous
Component symbol censures similar elements/components.
Embodiment
In order that the narration of the present invention is more detailed with complete, below for embodiments of the present invention and specific implementation
Example proposes illustrative description；But this not implements or the unique forms with the specific embodiment of the invention.In embodiment
Cover the feature of multiple specific embodiments and to construction and the method and step and its order that operate these specific embodiments.
However, it can also reach identical or impartial function and sequence of steps using other specific embodiments.
Unless this specification is defined otherwise, the implication of science and technology vocabulary used herein is led with technology belonging to the present invention
Tool usually intellectual understands identical with usual meaning in domain.
Fig. 1 is a kind of flow chart of the instant transfer method of virtual machine illustrated according to an embodiment of the present invention.Such as Fig. 1
Shown, the instant transfer method 100 of virtual machine, it is comprised the steps of：
Step 110：The virtual machine that first main frame run is linked to by client；
Step 120：By the first main frame in transfer time, the status data of virtual machine is sent to the second main frame, its
In the first main frame and the second main frame be located at different network domains；
Step 130：The variable quantity of the status data of the virtual machine in transfer time is sent to second by the first main frame
Main frame；
Step 140：Second main frame is linked to by the conversion of the first host notification client；And
Step 150：According to the notice of the first main frame, network package delivery rules are changed by client, so that client connects
Line runs virtual machine to the second main frame, and by the second main frame according to the status data and variable quantity of virtual machine, to keep
The line of client and virtual machine.
To make the instant transfer method 100 of the virtual machine shown in Fig. 1 it can be readily appreciated that also referring to Fig. 2 to Fig. 5, to divide
Each step of the instant transfer method 100 of bright virtual machine is not mentionleted alone, is described in detail as after.
Fig. 2 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to another embodiment of the present invention
Operation chart.First, the step 110 also referring to Fig. 1 and Fig. 2, the institute of the first main frame 220 is linked to by client 210
The virtual machine of operation.Secondly, the graticule 1 of step 120 and Fig. 2 also referring to Fig. 1, by the first main frame 220 when transfer
In, the status data of the virtual machine run in it is sent to the second main frame 230.It should be noted that transfer time
One main frame 220 transmission virtual machine status data to the second main frame 230 global transfer step the cost time.On in addition,
State the first main frame 220 and the second main frame 230 is located at different network domains.
Fig. 3 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to a further embodiment of the present invention
Operation chart.First, the step 130 also referring to Fig. 1 and Fig. 3 graticule 2, by the first main frame 220 by transfer time
The variable quantity of the status data of interior virtual machine is sent to the second main frame 230.It should be noted that if the first main frame 220 transmits
The status data of virtual machine to the second main frame 230, then global transfer step needs to spend a period of time, within this time, fortune
Row has been varied from the status data of the virtual machine in the first main frame 220, therefore, it is necessary to further by above-mentioned virtual machine
The variable quantity of status data be sent to the second main frame 230.
Secondly, the graticule 3 of step 140 and Fig. 3 also referring to Fig. 1,210 turns of client is notified by the first main frame 220
Change and link to the second main frame 230.For example, it can notify client 210 that its package is sent into the second master by the first main frame 220
Machine 230, in other words, the destination of its package transmission of client 210 can be notified by the first main frame 220, is changed to from the first main frame 220
Second main frame 230.
Fig. 4 is a kind of instant transfer method of virtual machine as shown in Figure 1 illustrated according to a further embodiment of this invention
Operation chart.First, the step 150 also referring to Fig. 1 and Fig. 4 graticule 4, according to the notice of the first main frame 220, by
Client 210 changes network package delivery rules, so that client 210 links to the second main frame 230.Specifically, by client
The change network package delivery rules of end 210 transmit the Internet protocol suite address (IP address) of package to change, such as certainly
The Internet protocol suite address of first main frame 220 is changed to the Internet protocol suite address of the second main frame 230, so that client
Package is sent to the second main frame 230 by 210.
Secondly, the graticule 5 of step 150 and Fig. 4 also referring to Fig. 1, the shape by the second main frame 230 according to virtual machine
State data and variable quantity and run virtual machine, to keep the line of client 210 and virtual machine.In one embodiment, originally
The instant transfer method 100 of virtual machine of invention can be under the situation of the Internet protocol suite address of change transmission package, simultaneously
The virtual machine that the second main frame 230 is run is opened, in this way, package is sent into the same of the second main frame 230 in client 210
Time, the virtual machine that the second main frame 230 is run have turned on, with ensure the line of client 210 and virtual machine will not in
It is disconnected.
Consequently, it is possible to the instant transfer method 100 of virtual machine provided in an embodiment of the present invention passes through the net of client end alteration 210
Network package delivery rules, make virtual machine time shift in sight turn during (such as：Virtual machine is passed to second by the first main frame 220
Main frame 230) remain to keep network service line, to lift the reliability of network service, and bring the preferable network of user
Operating experience.
Please referring back to Fig. 1, in another embodiment, the instant transfer method 100 of virtual machine also comprises the steps of：
Step 160：After the second main frame runs virtual machine according to the status data and variable quantity of virtual machine, by
Its virtual machine for being run of one Host Shutdown；And
Step 170：When another client links to the first main frame, line is changed by another client of the first host notification
The virtual machine run to the second main frame.
To describe above step in detail, referring to Fig. 5, it is a kind of such as figure illustrated according to another embodiment of the present invention
The operation chart of the instant transfer method of virtual machine shown in 1.First, also referring to Fig. 1 step 160, in the second master
After machine 230 runs virtual machine according to the status data and variable quantity of virtual machine, it is closed by the first main frame 220 and run
Virtual machine.Secondly, step 170 and Fig. 5 also referring to Fig. 1, when another client 260 links to the first main frame 220
When, notify another client 260 to change the virtual machine for linking to the second main frame 230 and being run by the first main frame 220.
In another embodiment, when another client 260 links to the first main frame 220, will be judged by the first main frame 220
Whether another client 260 is malicious client, such as judges whether another client 260 can deliberate to transmit a large amount of packages
Mode is attacked.If the first main frame 220 judge another client 260 it is non-be malicious client, such as another client 260 is only
Typically to transmit the client of normal package amount, then another conversion of client 260 is notified to link to the second master by the first main frame 220
The virtual machine that machine 230 is run.
Conversely, if the first main frame 220 judges that another client 260 is malicious client, blocked by the first host groups 220
The line of another client 260, to prevent the virtual machine that the second main frame 230 is run from being deliberated by another client 260 to pass
The mode of a large amount of packages is sent to be attacked.
It should be noted that after the flow of the instant transfer method 100 of virtual machine by the embodiment of the present invention, due to virtual
Machine has changed to be run by purpose machine 230, and therefore, if new client 260 links to source machine 220, source machine 220 can be by it
It is redirected into purpose machine 230.In addition, the outpost of the tax office of the source machine 220 in this as the new line of client 260 of filtering, if new
Client 260 is normal client, then is redirected into purpose machine 230；If new client 260 is malicious client,
Then origin source machine 220 blocks the line of new client 260.
Above-mentioned Fig. 2 to Fig. 5 is referred to, from figure, the first main frame 220, the second main frame 230 and the 3rd main frame 240 are all
It is connected to network file system server 250.In addition, the status data of the virtual machine described in above-described embodiment includes center
Processor state data, memory body status data and file data, wherein file data can be stored in above-mentioned NFS
Server 250.In one embodiment, network file system server 250 can be but be not limited to NFS (Network
File System, NFS) server, network file shared system (Common Internet File System, CIFS), point
Dissipate formula stocking system Gluster File System, GlusterFS) server ... etc., it is any that the storage of similar network file is provided
Deposit the server of technology.
Those of ordinary skill in the art works as each step it can be appreciated that in the instant transfer method 100 of virtual machine
Suddenly named according to the function of its execution, merely to making the technology of this case more obvious understandable, be not limited to such step
Suddenly.Each step is integrated into same step or is split into multiple steps, or either step is changed into another step
Perform, all still fall within embodiments of the present invention.
From the invention described above embodiment, there are following advantages using the present invention.The embodiment of the present invention passes through offer
A kind of instant transfer method of virtual machine, when being transferred immediately so as to improving virtual machine, cause network service outages, and shadow
The reliability of network service is rung, and brings the problem of bad network operation of user is experienced.
Although disclosing the specific embodiment of the present invention in embodiment above, so it is not limited to the present invention, this
Have usually intellectual in technical field that the present invention belongs to, do not depart from the principle of the present invention with it is spiritual in the case of, when can be to it
Various changes and modification are carried out, therefore protection scope of the present invention is defined when by subsidiary claim institute defender.
The various embodiments of the present invention have shown and described in described above, it should be understood that the present invention is not limited to this paper institutes
The form of disclosure, the exclusion to other embodiments is not to be taken as, and can be used for various other combinations, modification and environment, and energy
Enough in this paper invented the scope of the idea, it is modified by the technology or knowledge of above-mentioned teaching or association area.And people from this area
The change and change that member is carried out do not depart from the spirit and scope of the present invention, then all should be in the protection of appended claims of the present invention
In the range of.
Claims (10)
1. a kind of instant transfer method of virtual machine, it is characterised in that include：
The virtual machine that one first main frame run is linked to by a client；
By first main frame in a transfer time, the status data of the virtual machine is sent to one second main frame, wherein should
First main frame is located at different network domains with second main frame；
One variable quantity of the status data of the virtual machine in the transfer time is sent to second master by first main frame
Machine；
Second main frame is linked to by the first host notification client conversion；And
According to the notice of first main frame, network package delivery rules are changed by the client, so that the client links to this
Second main frame, and the virtual machine is run according to the status data of the virtual machine and the variable quantity by second main frame, with
Keep the line of the client and the virtual machine.
2. the instant transfer method of virtual machine according to claim 1, it is characterised in that by first host notification visitor
The step of conversion of family end links to second main frame includes：
Package is sent to second main frame by the first host notification client.
3. the instant transfer method of virtual machine according to claim 2, it is characterised in that by client change network envelope
Bag delivery rules, so that the client includes the step of linking to second main frame：
The Internet protocol suite address of transmission package is changed by the client, from the Internet protocol suite address of first main frame more
It is changed to the Internet protocol suite address of second main frame.
4. the instant transfer method of virtual machine according to claim 3, it is characterised in that in the internet of change transmission package
Under the situation of network convention address, while open the virtual machine that second main frame is run.
5. the instant transfer method of virtual machine according to claim 1, it is characterised in that also include：
After second main frame runs the virtual machine according to the status data of the virtual machine and the variable quantity, by this first
Its virtual machine for being run of Host Shutdown.
6. the instant transfer method of virtual machine according to claim 1, it is characterised in that also include：
When an another client links to first main frame, by first host notification, another client conversion links to this
The virtual machine that second main frame is run.
7. the instant transfer method of virtual machine according to claim 6, it is characterised in that when another client links to
During first main frame, by first host notification, another client conversion links to the virtual machine that second main frame is run
The step of device, includes：
When another client links to first main frame, judge whether another client is malice visitor by first main frame
Family end, if first main frame judge another client it is non-be malicious client, by first host notification another client
End conversion links to the virtual machine that second main frame is run.
8. the instant transfer method of virtual machine according to claim 7, it is characterised in that judge that this is another by first main frame
The step of whether one client is malicious client includes：
If first main frame judges that another client is malicious client, another client is blocked by first main frame
Line.
9. the instant transfer method of virtual machine according to any one of claim 1~8, it is characterised in that first main frame
A network file system server is connected to second main frame.
10. the instant transfer method of virtual machine according to any one of claim 1~8, it is characterised in that the virtual machine
Status data include a central processing unit status data and a memory body status data.
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| CN105704217A (en) * | 2016-01-15 | 2016-06-22 | 中国人民解放军国防科学技术大学 | Transparent event-driven symbiotic virtual machine dynamic discovery method |
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