CN106250228A - The method and device that virtual machine entity thermophoresis networking takes over seamlessly - Google Patents
The method and device that virtual machine entity thermophoresis networking takes over seamlessly Download PDFInfo
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- CN106250228A CN106250228A CN201610658341.7A CN201610658341A CN106250228A CN 106250228 A CN106250228 A CN 106250228A CN 201610658341 A CN201610658341 A CN 201610658341A CN 106250228 A CN106250228 A CN 106250228A
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- virtual machine
- machine entity
- physical server
- thermophoresis
- network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
- G06F9/4856—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
Present invention is disclosed the method and device that a kind of virtual machine entity thermophoresis networking takes over seamlessly, including: virtual machine entity enters final stage from source physical server thermophoresis to target physical server, before virtual machine entity is turned off, start network migration auxiliary program caching and be sent to the datagram of virtual machine entity on the physical server of source；Get virtual machine entity on target physical server after open state information, the virtual machine entity datagram of caching being forwarded on target physical server.The method and device that the virtual machine entity thermophoresis networking provided in the present invention takes over seamlessly, overcomes the problem that in thermomigration process, data message is lost, and goes for any type of ethernet network.
Description
Technical field
The present invention relates to networking technology area, a kind of method taken over seamlessly particularly to virtual machine entity thermophoresis networking
And device.
Background technology
VM (virtual machine) and container (container) is existing frequently-used Intel Virtualization Technology, all develops on them
Thermophoresis technology.Refer to virtual machine and container in this article with virtual machine entity simultaneously.
Virtual machine entity thermophoresis is that the virtual machine entity serviced is migrated to new thing from a physical server
Reason server.
The thermophoresis technology of virtual machine entity refer to ensure virtual machine physically service properly functioning while, virtual machine
Entity migrates between different physical servers.The advantage of thermophoresis is simplified system maintenance management, improves system
Load balancing, strengthens system mistake tolerance and optimizes power supply managing.Virtual machine entity thermophoresis is widely used in computer
Share, DB Backup, Environmental re-appearing, the application scenario such as system hardware maintenance.
In order to ensure the available of virtual machine entity services in transition process, when transition process only has the ofest short duration shutdown
Between.The earlier stage migrated, services and runs at source physical server, when migration proceeds to certain phase, target physical server
Having had been provided with the necessary resource of system of running, through a switching the ofest short duration, source physical server is by control right transfer
To target physical server, service continues to run with on target physical server.For service itself, due to switching time
Between the ofest short duration, the interruption of the imperceptible service of user, thus transition process is transparent to user.It is right that online migration is applicable to
The exigent scene of service availability.
Although the time of above-mentioned switching is the ofest short duration, and the switching routeing due to network and temporary transient the delaying of virtual machine entity
Message on machine, originally network route is probably due to cannot find virtual machine entity and lose.This may cause system to apply
Integrity problem.And the datagram re-transmission caused after losing data message can strengthen instantaneous offered load.
In prior art, it is intended to utilize SDN (software defined network) switch, SDN controller and thermophoresis platform composition
Network solve the problems referred to above.But, the method can only ensure that the datagram on switching path is not lost, and but can not solve thing
Datagram the most buffered on reason server internal network interface card loses problem, and SDN controller is centralized control plane, is SDN
The bottleneck of network, utilizes SDN controller to carry out data cached bag and may cause resource contention；There iing multiple virtual machine entity same especially
Time migrate time, resource contention may ultimately result in some virtual machine entities and cannot be serviced.
Summary of the invention
The method and device that the main object of the present invention takes over seamlessly for providing a kind of virtual machine entity thermophoresis networking, gram
Take the problem that in thermomigration process, data message is lost, and go for any type of ethernet network.
The present invention proposes a kind of method that virtual machine entity thermophoresis networking takes over seamlessly, and comprises the following steps:
Virtual machine entity enters final stage, virtual machine entity from source physical server thermophoresis to target physical server
Before turning off, start network migration auxiliary program caching and be sent to the datagram of virtual machine entity on the physical server of source；
Get virtual machine entity and after open state information, the datagram of caching is forwarded on target physical server
Virtual machine entity on target physical server.
Further, described network migration auxiliary program runs independent of virtual machine entity, and it includes process, thread, answers
By at least one in, container or another virtual machine entity.
Further, described startup network migration auxiliary program caching is sent to the number of virtual machine entity on the physical server of source
Include according to the step of report:
By network migration auxiliary program configuration network interface card and/or by filtering datagram, the number of virtual machine entity will be mail to
It is redirected according to report, imports in Buffer Pool.
Further, the described datagram by caching sends the step bag of the virtual machine entity to target physical server
Include:
The network set up between source physical server and target physical server is used even by network migration auxiliary program
Connect the datagram of the forwarding cache virtual machine entity to target physical server.
Further, described virtual machine entity wraps during source physical server thermophoresis to target physical server
Include:
Network tunnel technology is used to build the network architecture, and by the memory copying process of virtual machine entity thermophoresis, net
Network migrates auxiliary program and shares source physical server and the tunnel of target physical server communication.
Present invention also offers the device that a kind of virtual machine entity thermophoresis networking takes over seamlessly, including:
Buffer unit, virtual machine entity enters final stage from source physical server thermophoresis to target physical server,
Before virtual machine entity is turned off, start network migration auxiliary program caching and be sent to the data of virtual machine entity on the physical server of source
Report；
Retransmission unit, gets virtual machine entity on target physical server after open state information, by the number of caching
The virtual machine entity being forwarded on target physical server according to report.
Further, described network migration auxiliary program runs independent of virtual machine entity, and it includes process, thread, answers
By at least one in, container or another virtual machine entity.
Further, described startup network migration auxiliary program caching is sent to the number of virtual machine entity on the physical server of source
Specifically include according to report:
By network migration auxiliary program configuration network interface card and/or by filtering datagram, the number of virtual machine entity will be mail to
It is redirected according to report, imports in Buffer Pool.
Further, described retransmission unit includes:
Forward subelement, used by network migration auxiliary program and build between source physical server and target physical server
Vertical network connects the datagram of the forwarding cache virtual machine entity to target physical server.
Further, described buffer unit is additionally operable to:
Network tunnel technology is used to build the network architecture, and by the memory copying process of virtual machine entity thermophoresis, net
Network migrates auxiliary program and shares source physical server and the tunnel of target physical server communication.
The method and device that the virtual machine entity thermophoresis networking provided in the present invention takes over seamlessly, has following useful effect
Really:
The method and device that the virtual machine entity thermophoresis networking provided in the present invention takes over seamlessly, virtual machine entity is from source
Physical server thermophoresis is to during target physical server, and caching is sent to the number of virtual machine entity on the physical server of source
According to report；After thermophoresis completes, the virtual machine entity that the datagram of caching is forwarded on target physical server so that heat
In transition process, data message will not be lost, and goes for any type of ethernet network；Assisted by network migration
Program configures network interface card and/or by filtering datagram, the datagram mailing to virtual machine entity is redirected, and imports in Buffer Pool,
The most buffered datagram on the internal network interface card of physical server also will not be lost；Network tunnel technology is used to build network rack
Structure, and the memory copying process, the network migration auxiliary program that are taken over seamlessly at virtual machine entity thermophoresis networking share source thing
Reason server and the tunnel of target physical server communication, can save the time dynamically producing new route.
Accompanying drawing explanation
Fig. 1 is the principle schematic that in one embodiment of the invention, virtual machine entity thermophoresis networking takes over seamlessly；
Fig. 2 is the method step schematic diagram that in one embodiment of the invention, virtual machine entity thermophoresis networking takes over seamlessly；
Fig. 3 is the apparatus structure schematic diagram that in one embodiment of the invention, virtual machine entity thermophoresis networking takes over seamlessly.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative used herein " ", "
Individual ", " described " " above-mentioned " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that the description of the present invention makes
Wording " include " referring to exist described feature, integer, step, operation, element, unit, module and/or assembly, but also
Do not preclude the presence or addition of other features one or more, integer, step, operation, element, unit, module, assembly and/or it
Group.It should be understood that when we claim element to be " connected " or during " coupled " to another element, and it can be directly connected to or couple
To other elements, or intermediary element can also be there is.Additionally, " connection " used herein or " coupling " can include wireless company
Connect or wireless couple.Wording "and/or" used herein includes that what one or more was associated lists the whole or arbitrary of item
Unit and all combination.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (include technology art
Language and scientific terminology), have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also should
Be understood by, those terms defined in such as general dictionary, it should be understood that have with in the context of prior art
The meaning that meaning is consistent, and unless by specific definitions as here, otherwise will not use idealization or the most formal implication
Explain.
VM (virtual machine) and container (container) is existing frequently-used Intel Virtualization Technology, all develops on them
Thermophoresis technology.The method and device provided in the present invention is applicable to virtual machine and container, in order to compose a piece of writing conveniently, real with virtual machine
Body refers to virtual machine and container simultaneously.
Virtual machine entity thermophoresis is that the virtual machine entity serviced is migrated to new thing from a physical server
Reason server.
With reference to Fig. 1, the principle schematic taken over seamlessly for virtual machine entity thermophoresis networking in the embodiment of the present invention.
In the present embodiment, main purpose be by virtual machine entity from source physical server thermophoresis to target physical service
Device, and ensure that in transition process, data message is not lost.
Source physical server and target physical server can be cloud by switch Connection Service device X, this server X
Server.Prepare the virtual machine entity thermophoresis on the physical server of source to target physical server at thermophoresis management platform
Time upper, server X now has data communication with virtual machine entity A according to former network route.During thermophoresis, virtual machine
Entity A is delayed before machine on the physical server of source, and network migration auxiliary program caching is sent to the datagram of virtual machine entity A, above-mentioned
The datagram being sent to virtual machine entity A can be the datagram that server X or other terminal are sent to virtual machine entity A；Work as void
After all internal memories of plan machine entity A are all copied to target physical server, virtual machine entity A is started shooting on target physical server
(virtual machine entity A in figure '), network migration auxiliary program forwards the datagram of routing forwarding caching to target physical by interim
Virtual machine entity on server, it is ensured that data message will not be lost, server X is entered with virtual machine entity by new network route
Row communication, it is ensured that networking takes over seamlessly.The method proposed in the present embodiment is used in any type of ethernet network.
With reference to Fig. 2, specifically, the side that the virtual machine entity thermophoresis networking proposed in the embodiment of the present invention takes over seamlessly
Method, comprises the following steps:
Step S1, virtual machine entity enters final stage from source physical server thermophoresis to target physical server, empty
Before plan machine entity is turned off, start network migration auxiliary program caching and be sent to the data of virtual machine entity on the physical server of source
Report.
Specifically, after initiating virtual machine entity thermophoresis by thermophoresis management platform, when thermophoresis enters final stage,
Virtual machine entity is delayed before machine, starts network migration auxiliary program on the physical server of source.Above-mentioned network migration auxiliary program
Running independent of virtual machine entity, it includes at least in process, thread, application, container or another virtual machine entity
Kind, above-mentioned process, thread can be realized by simple programming；Network migration auxiliary program can have oneself independent network
Identity or by virtual machine entity manager participate in network service；Network migration auxiliary program is carried out with thermophoresis management platform
Communication, is controlled and status information；Such as, virtual machine entity is migrated to mesh from source physical server by thermophoresis management platform
Mark physical server, in the final stage migrated, starts network migration auxiliary program, is sent out by network migration auxiliary program caching
The datagram of virtual machine entity on the physical server of source；When thermophoresis management platform courses virtual machine entity takes in target physical
On business device after start, sending open state information to networking and migrate auxiliary program, networking migrates auxiliary program and receives start shape
State information.In the final stage migrated, before virtual machine entity is turned off, start network migration auxiliary program caching and be sent to source physics
The datagram of virtual machine entity on server, prevents datagram from losing, and takes over seamlessly for networking afterwards and lays the first stone.
When thermophoresis enters final stage, and virtual machine entity is delayed before machine, seamless for the network traffics removing virtual machine entity
Import in the Buffer Pool of oneself.Not only to consider the datagram transmitted on networking, it is also contemplated that the service of having arrived at
Device network interface card, but the datagram of virtual machine is not also arrived at network interface card caching.
Therefore, when thermophoresis enters final stage, and virtual machine entity is delayed before machine, configured by network migration auxiliary program
Network interface card and/or by software filter datagram, the datagram mailing to virtual machine entity is redirected, the net removing virtual machine entity
Network flow is seamless to be imported in oneself Buffer Pool.Specifically, if network interface card hardware supported seamless switching, network migration assists journey
Sequence configuration network interface card, network interface card needs there is corresponding support on hardware, it is to avoid the datagram in network interface card is dropped.Without network interface card
Hardware supported, can filter datagram on software, the datagram mailing to this virtual machine entity is redirected.
Further, after the flow on network interface card is redirected to the Buffer Pool of network migration auxiliary program, virtual machine is real
Body is delayed machine.
Completing virtual machine physical memory after source physical server is copied to target physical server, virtual machine entity is at mesh
Start shooting on mark physical server.
When the internal memory of virtual machine entity is after source physical server is copied to target physical server, and virtual machine entity is at mesh
Start shooting on mark physical server.Now, boot-strap information is notified network migration auxiliary program, network migration by thermophoresis management platform
Auxiliary program then can get the status information that virtual machine entity is started shooting on target physical server.
Step S2, gets virtual machine entity on target physical server after open state information, by the data of caching
The virtual machine entity that report is forwarded on target physical server.
After virtual machine entity is started shooting on target physical server, network migration auxiliary program use source physical server and
The datagram that the network set up between target physical server connects forwarding cache is real to the virtual machine on target physical server
Body.After virtual machine entity reset, network route also can be updated, and newly generated datagram will not be from original network path
Removing source physical server, afterwards, virtual machine entity receives datagram from new network route.
Datagram on original network path fully enters the Buffer Pool of network migration auxiliary program, and is transmitted to target
After virtual machine entity on physical server, network migration auxiliary program exits service.Network migration auxiliary program can wait
One sufficiently long time ensures do not have datagram to be dropped, it is also possible to notified network by Virtual Administrative Platform according to event
Migration auxiliary program is out of service.
Further, in the present embodiment, without the network of use tunneling technique, when virtual machine entity is at object
After turning back on reason server, the network route between virtual machine entity and network migration auxiliary program needs dynamically to produce,
A fixed response time will be caused.Therefore, in the present embodiment, take from source physical server thermophoresis to target physical at virtual machine entity
During business device, use network tunnel technology to build the network architecture, and the memory copying of virtual machine entity thermophoresis is entered
Journey, network migration auxiliary program share source physical server and the tunnel of target physical server communication, just can save dynamically
Produce the time of new route.This is because the time that memory copying process communicates is more Zao than network migration auxiliary program.Net
Network tunnel can be qinq (also known as double vlan, double virtual local area network tags), overlay (Internet superposition), or its
Its similar techniques.
In order to further the method in the embodiment of the present invention be illustrated, the embodiment of the present invention also proposed a kind of empty
The device that plan machine entity thermophoresis networking takes over seamlessly.
With reference to Fig. 3, the embodiment of the present invention additionally provides the device that a kind of virtual machine entity thermophoresis networking takes over seamlessly,
Specifically include:
Buffer unit 10, virtual machine entity enters last rank from source physical server thermophoresis to target physical server
Section, before virtual machine entity is turned off, starts network migration auxiliary program caching and is sent to virtual machine entity on the physical server of source
Datagram.
Specifically, after initiating virtual machine entity thermophoresis by thermophoresis management platform, when thermophoresis enters final stage,
Virtual machine entity is delayed before machine, starts network migration auxiliary program on the physical server of source.Above-mentioned network migration auxiliary program
Running independent of virtual machine entity, it includes at least in process, thread, application, container or another virtual machine entity
Kind, network migration auxiliary program can have oneself independent network identity or participate in network by virtual machine entity manager
Communication；Network migration auxiliary program communicates with thermophoresis management platform, is controlled and status information.Last migrate
In the stage, before virtual machine entity is turned off, start network migration auxiliary program caching and be sent to virtual machine entity on the physical server of source
Datagram, prevent datagram from losing.
When thermophoresis enters final stage, and virtual machine entity is delayed before machine, seamless for the network traffics removing virtual machine entity
Import in the Buffer Pool of oneself.Not only to consider the datagram transmitted on networking, it is also contemplated that the service of having arrived at
Device network interface card, but the datagram of virtual machine is not also arrived at network interface card caching.
Therefore, when thermophoresis enters final stage, and virtual machine entity is delayed before machine, configured by network migration auxiliary program
Network interface card and/or by software filter datagram, the datagram mailing to virtual machine entity is redirected, the net removing virtual machine entity
Network flow is seamless to be imported in oneself Buffer Pool.Specifically, if network interface card hardware supported seamless switching, network migration assists journey
Sequence configuration network interface card, network interface card needs there is corresponding support on hardware, it is to avoid the datagram in network interface card is dropped.Without network interface card
Hardware supported, can filter datagram on software, the datagram mailing to this virtual machine entity is redirected.
Further, after the flow on network interface card is redirected to the Buffer Pool of network migration auxiliary program, virtual machine is real
Body is delayed machine.
Completing virtual machine physical memory after source physical server is copied to target physical server, virtual machine entity is at mesh
Start shooting on mark physical server.
When the internal memory of virtual machine entity is after source physical server is copied to target physical server, and virtual machine entity is at mesh
Start shooting on mark physical server.Now, boot-strap information is notified network migration auxiliary program, network migration by thermophoresis management platform
Auxiliary program then can get the status information that virtual machine entity is started shooting on target physical server.
Retransmission unit 20, gets virtual machine entity on target physical server after open state information, by caching
Datagram is forwarded to the virtual machine entity on target physical server.
Above-mentioned retransmission unit 20 includes forwarding subelement, after virtual machine entity is started shooting on target physical server, forwards
Subelement uses the network set up between source physical server and target physical server to connect by network migration auxiliary program
The datagram of forwarding cache is to the virtual machine entity on target physical server.After virtual machine entity reset, network route also can
Being updated, newly generated datagram will not remove source physical server from original network path again；Afterwards, virtual machine entity
Receive, from new network route, the datagram that server sends.
Datagram on original network path fully enters the Buffer Pool of network migration auxiliary program, and is transmitted to target
After virtual machine entity on physical server, network migration auxiliary program exits service.Network migration auxiliary program can wait
One sufficiently long time ensures do not have datagram to be dropped, it is also possible to notified network by Virtual Administrative Platform according to event
Migration auxiliary program is out of service.
Further, in the present embodiment, without the network of use tunneling technique, when virtual machine entity is at object
After turning back on reason server, the network route between virtual machine entity and network migration auxiliary program needs dynamically to produce,
A fixed response time will be caused.Therefore, in the present embodiment, take from source physical server thermophoresis to target physical at virtual machine entity
During business device, use network tunnel technology to build the network architecture, and the memory copying of virtual machine entity thermophoresis is entered
Journey, network migration auxiliary program share source physical server and the tunnel of target physical server communication, just can save dynamically
Produce the time of new route.This is because the time that memory copying process communicates is more Zao than network migration auxiliary program.Net
Network tunnel can be qinq (also known as double vlan, double virtual local area network tags), overlay (Internet superposition), or its
Its similar techniques.
In sum, the method taken over seamlessly for the virtual machine entity thermophoresis networking provided in the embodiment of the present invention and dress
Putting, virtual machine entity is during source physical server thermophoresis to target physical server, and caching server is sent to source thing
The datagram of virtual machine entity on reason server；After thermophoresis completes, the datagram of caching is forwarded to target physical clothes
Virtual machine entity on business device so that in thermomigration process, data message will not be lost, networking switching is smooth, and goes for
Any type of ethernet network；By network migration auxiliary program configuration network interface card and/or by filtering datagram, void will be mail to
The datagram of plan machine entity is redirected, and imports in Buffer Pool so that datagram the most buffered on the internal network interface card of physical server
Also will not lose；Use network tunnel technology to build the network architecture, and by the memory copying process of virtual machine entity thermophoresis,
Network migration auxiliary program shares source physical server and the tunnel of target physical server communication, can save and dynamically produce newly
The time of route.
It will be understood by those skilled in the art that the present invention includes relating to perform in operation described herein one
Or multinomial equipment.These equipment can be required purpose and specialized designs and manufacture, or can also include general-purpose computations
Known device in machine.These equipment have storage computer program within it, and these computer programs optionally activate
Or reconstruct.Such computer program can be stored in equipment (such as, computer) computer-readable recording medium or be stored in and be suitable to
Storage e-command is also coupled to any kind of medium of bus respectively, and described computer-readable medium includes but not limited to
Any kind of dish (including floppy disk, hard disk, CD, CD ROM and magneto-optic disk), ROM (Read Only Memory, read-only storage
Device), RAM (Random Access Memory, memorizer immediately), EPROM (Erasable Programmable Read
Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable Programmable
Read Only Memory, EEPROM), flash memory, magnetic card or light card.It is, it is readable
Medium includes by equipment (such as, computer) with the form storage that can read or any medium of transmission information.
Those skilled in the art of the present technique be appreciated that can with computer program instructions realize these structure charts and/or
The combination of the frame in each frame in block diagram and/or flow graph and these structure charts and/or block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that these computer program instructions can be supplied to general purpose computer, special purpose computer or other
The processor of programmable data processing method realizes, thus by computer or the process of other programmable data processing methods
Device performs the scheme specified in structure chart disclosed by the invention and/or block diagram and/or the frame of flow graph or multiple frame.
Those skilled in the art of the present technique be appreciated that the various operations discussed in the present invention, method, in flow process
Step, measure, scheme can be replaced, changed, combined or deleted.Further, there is discussed in the present invention each
Other steps in kind operation, method, flow process, measure, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Further, of the prior art have and the step in the various operations disclosed in the present invention, method, flow process, measure, scheme
Can also be replaced, changed, reset, decomposed, combined or deleted.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
Equivalent structure or equivalence flow process that description of the invention and accompanying drawing content are made convert, or it is relevant to be directly or indirectly used in other
Technical field, be the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. the method that a virtual machine entity thermophoresis networking takes over seamlessly, it is characterised in that comprise the following steps:
Virtual machine entity enters final stage from source physical server thermophoresis to target physical server, and virtual machine entity is turned off
Before, start network migration auxiliary program caching and be sent to the datagram of virtual machine entity on the physical server of source；
Get virtual machine entity and after open state information, the datagram of caching is forwarded to target on target physical server
Virtual machine entity on physical server.
The method that virtual machine entity thermophoresis networking the most according to claim 1 takes over seamlessly, it is characterised in that described net
Network migrates auxiliary program and runs independent of virtual machine entity, and it includes that process, thread, application, container or another virtual machine are real
At least one in body.
The method that virtual machine entity thermophoresis networking the most according to claim 1 takes over seamlessly, it is characterised in that described in open
Dynamic network migration auxiliary program caching is sent to the step of the datagram of virtual machine entity on the physical server of source and includes:
By network migration auxiliary program configuration network interface card and/or by filtering datagram, the datagram of virtual machine entity will be mail to
It is redirected, imports in Buffer Pool.
The method that virtual machine entity thermophoresis networking the most according to claim 1 takes over seamlessly, it is characterised in that described general
The datagram of caching sends the step of the virtual machine entity to target physical server and includes:
Used the network set up between source physical server and target physical server to connect to turn by network migration auxiliary program
Send out the datagram of caching to the virtual machine entity on target physical server.
The method that virtual machine entity thermophoresis networking the most according to claim 1 takes over seamlessly, it is characterised in that described void
Plan machine entity includes from the step of source physical server thermophoresis to target physical server:
Use network tunnel technology to build the network architecture, and memory copying process, the network of virtual machine entity thermophoresis are moved
Move auxiliary program and share source physical server and the tunnel of target physical server communication.
6. the device that a virtual machine entity thermophoresis networking takes over seamlessly, it is characterised in that including:
Buffer unit, virtual machine entity enters final stage from source physical server thermophoresis to target physical server, virtual
Before machine entity is turned off, start network migration auxiliary program caching and be sent to the datagram of virtual machine entity on the physical server of source；
Retransmission unit, gets virtual machine entity on target physical server after open state information, by the datagram of caching
The virtual machine entity being forwarded on target physical server.
The device that virtual machine entity thermophoresis networking the most according to claim 6 takes over seamlessly, it is characterised in that described net
Network migrates auxiliary program and runs independent of virtual machine entity, and it includes that process, thread, application, container or another virtual machine are real
At least one in body.
The device that virtual machine entity thermophoresis networking the most according to claim 6 takes over seamlessly, it is characterised in that described in open
Dynamic network migration auxiliary program caching is sent to the datagram of virtual machine entity on the physical server of source and specifically includes:
By network migration auxiliary program configuration network interface card and/or by filtering datagram, the datagram of virtual machine entity will be mail to
It is redirected, imports in Buffer Pool.
The device that virtual machine entity thermophoresis networking the most according to claim 6 takes over seamlessly, it is characterised in that described turn
Bill unit includes:
Forward subelement, use foundation between source physical server and target physical server by network migration auxiliary program
Network connects the datagram of forwarding cache to the virtual machine entity on target physical server.
The device that virtual machine entity thermophoresis networking the most according to claim 6 takes over seamlessly, it is characterised in that described
Buffer unit is additionally operable to:
Use network tunnel technology to build the network architecture, and memory copying process, the network of virtual machine entity thermophoresis are moved
Move auxiliary program and share source physical server and the tunnel of target physical server communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658341.7A CN106250228B (en) | 2016-08-11 | 2016-08-11 | The method and device that virtual machine entity thermophoresis network smoothly switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658341.7A CN106250228B (en) | 2016-08-11 | 2016-08-11 | The method and device that virtual machine entity thermophoresis network smoothly switches |
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