CN106250228B - The method and device that virtual machine entity thermophoresis network smoothly switches - Google Patents
The method and device that virtual machine entity thermophoresis network smoothly switches Download PDFInfo
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- CN106250228B CN106250228B CN201610658341.7A CN201610658341A CN106250228B CN 106250228 B CN106250228 B CN 106250228B CN 201610658341 A CN201610658341 A CN 201610658341A CN 106250228 B CN106250228 B CN 106250228B
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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
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Abstract
Present invention discloses a kind of method and devices that virtual machine entity thermophoresis network smoothly switches, it include: that virtual machine entity from source physical server thermophoresis to target physical server enters final stage, before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to the datagram of virtual machine entity on the physical server of source；Virtual machine entity is got in target physical server after open state information, the virtual machine entity datagram of caching being forwarded in target physical server.The method and device that virtual machine entity thermophoresis network provided in the present invention smoothly switches overcomes the problems, such as that data message is lost in thermomigration process, and can be adapted for any type of ethernet network.
Description
Technical field
The present invention relates to network technique field, in particular to a kind of method that virtual machine entity thermophoresis network smoothly switches
And device.
Background technique
VM (virtual machine) and container (container) is existing frequently-used virtualization technology, and face all develops on them
Thermophoresis technology.Virtual machine and container are referred to simultaneously with virtual machine entity herein.
Virtual machine entity thermophoresis is that virtual machine entity being served is migrated from a physical server to new object
Manage server.
The thermophoresis technology of virtual machine entity refer to guarantee virtual machine physically service operate normally while, virtual machine
Entity is migrated between different physical servers.The advantages of thermophoresis, is to simplify system maintenance management, raising system
Load balancing enhances system mistake tolerance and optimization system power management.Virtual machine entity thermophoresis is widely used in computer
It is shared, DB Backup, Environmental re-appearing, the applications such as system hardware maintenance.
In order to guarantee the available of virtual machine entity services in transition process, when transition process only has very of short duration shutdown
Between.The earlier stage of migration, service is run in source physical server, when migration proceeds to certain phase, target physical server
The necessary resource for having had been provided with operating system, by a very of short duration switching, source physical server is by control right transfer
To target physical server, service continues to run in target physical server.For service itself, due to switching when
Between very of short duration, the interruption of the imperceptible service of user, thus transition process is transparent to user.Online migration is suitable for pair
The exigent scene of service availability.
Switching and virtual machine entity although the time of above-mentioned switching is very of short duration, and due to network routing are temporary to delay
Message in the routing of machine, originally network, which may be because, can not find virtual machine entity and lose.This may cause system application
Integrity problem.And caused datagram re-transmission can increase instantaneous network load after losing data message.
In the prior art, it is intended to be formed using SDN (software defined network) interchanger, SDN controller and thermophoresis platform
Network solve the above problems.However, this method can only guarantee that the datagram on switching path is not lost, object not can solve but
It manages datagram buffered on server internal network interface card and loses problem, it is SDN that SDN controller, which is the control plane of centralization,
The bottleneck of network may cause resource contention using SDN controller come data cached packet；Especially there are multiple virtual machine entities same
When migrating, resource contention may eventually lead to some virtual machine entities and be unable to get service.
Summary of the invention
The main object of the present invention is to provide a kind of method and device that virtual machine entity thermophoresis network smoothly switches, gram
The problem of data message is lost in thermomigration process is taken, and can be adapted for any type of ethernet network.
The present invention proposes a kind of method that virtual machine entity thermophoresis network smoothly switches, comprising the following steps:
Virtual machine entity enters final stage, virtual machine entity from source physical server thermophoresis to target physical server
Before turning off, starting network migration auxiliary program caching is sent to the datagram of virtual machine entity on the physical server of source；
It gets virtual machine entity and after open state information, the datagram of caching is forwarded in target physical server
Virtual machine entity in target physical server.
Further, the network migration auxiliary program is run independently of virtual machine entity comprising process, is answered at thread
With at least one of, container or another virtual machine entity.
Further, the starting 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
Network interface card is configured by network migration auxiliary program and/or by filtering datagram, will be sent to the number of virtual machine entity
It is redirected, is imported in buffer pool according to report.
Further, the step of virtual machine entity datagram of caching being sent in target physical server packet
It includes:
Connected by network migration auxiliary program using the network established between source physical server and target physical server
Connect the virtual machine entity in the datagram to target physical server of forwarding cache.
Further, the virtual machine entity is from wrapping during the physical server thermophoresis to target physical server of source
It includes:
The network architecture is built using network tunnel technology, and by the memory copying process of virtual machine entity thermophoresis, net
Network migrates the tunnel that auxiliary program shares source physical server and target physical server communication.
The present invention also provides a kind of devices that virtual machine entity thermophoresis network smoothly switches, comprising:
Cache unit, virtual machine entity enter final stage from source physical server thermophoresis to target physical server,
Before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to the data of virtual machine entity on the physical server of source
Report；
Retransmission unit gets virtual machine entity in target physical server after open state information, by the number of caching
The virtual machine entity being forwarded in target physical server according to report.
Further, the network migration auxiliary program is run independently of virtual machine entity comprising process, is answered at thread
With at least one of, container or another virtual machine entity.
Further, the starting network migration auxiliary program caching is sent to the number of virtual machine entity on the physical server of source
It is specifically included according to report:
Network interface card is configured by network migration auxiliary program and/or by filtering datagram, will be sent to the number of virtual machine entity
It is redirected, is imported in buffer pool according to report.
Further, the retransmission unit includes:
Subelement is forwarded, is built by network migration auxiliary program using between source physical server and target physical server
Virtual machine entity in the datagram to target physical server of vertical network connection forwarding cache.
Further, the cache unit is also used to:
The network architecture is built using network tunnel technology, and by the memory copying process of virtual machine entity thermophoresis, net
Network migrates the tunnel that auxiliary program shares source physical server and target physical server communication.
The method and device that virtual machine entity thermophoresis network provided in the present invention smoothly switches has below beneficial to effect
Fruit:
The method and device that virtual machine entity thermophoresis network provided in the present invention smoothly switches, virtual machine entity is from source
During physical server thermophoresis to target physical server, caching is sent to the number of virtual machine entity on the physical server of source
According to report；After thermophoresis completion, the datagram of caching is forwarded to the virtual machine entity in target physical server, so that hot
Data message will not be lost in transition process, and can be adapted for any type of ethernet network；It is assisted by network migration
Program configures network interface card and/or by filtering datagram, and the datagram for being sent to virtual machine entity is redirected, is imported in buffer pool,
So that datagram buffered on network interface card inside physical server will not lose；Network rack is built using network tunnel technology
Structure, and virtual machine entity thermophoresis network is smoothly switched memory copying process, network migration auxiliary program share source object
The tunnel for managing server and target physical server communication, can save the time for dynamically generating and newly routing.
Detailed description of the invention
Fig. 1 is the schematic illustration that virtual machine entity thermophoresis network smoothly switches in one embodiment of the invention；
Fig. 2 is the method and step schematic diagram that virtual machine entity thermophoresis network smoothly switches in one embodiment of the invention；
Fig. 3 is the apparatus structure schematic diagram that virtual machine entity thermophoresis network smoothly switches in one embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " " above-mentioned " and "the" may also comprise plural form.It is to be further understood that making in specification of the invention
Wording " comprising " refers to that there are the feature, integer, step, operation, element, unit, module and/or components, but simultaneously
Do not preclude the presence or addition of other one or more features, integer, step, operation, element, unit, module, component and/or it
Group.It should be understood that when we say that an element is " connected " or " coupled " to another element, it can be directly connected to or couple
To other elements, or there may also be intermediary elements.In addition, " connection " used herein or " coupling " may include wirelessly connecting
It connects or wirelessly couples.Wording "and/or" used herein includes one or more associated listing the whole or any of item
Unit and all combination.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here
To explain.
VM (virtual machine) and container (container) is existing frequently-used virtualization technology, and face all develops on them
Thermophoresis technology.Method and device provided in the present invention is suitable for virtual machine and container, in order to compose a piece of writing conveniently, with virtual machine reality
Body comes while referring to virtual machine and container.
Virtual machine entity thermophoresis is that virtual machine entity being served is migrated from a physical server to new object
Manage server.
Referring to Fig.1, the schematic illustration smoothly switched for virtual machine entity thermophoresis network in the embodiment of the present invention.
In the present embodiment, main purpose is by virtual machine entity from source physical server thermophoresis to target physical service
Device, and guarantee that data message is not lost in transition process.
By interchanger connection server X, server X can be cloud for source physical server and target physical server
Server.Prepare in thermophoresis management platform by the virtual machine entity thermophoresis on the physical server of source to target physical server
When upper, server X has data communication according to the routing of former network with virtual machine entity A at this time.During thermophoresis, virtual machine
For entity A on the physical server of source before delay machine, network migration auxiliary program caches the datagram for being sent to virtual machine entity A, above-mentioned
The datagram for being sent to virtual machine entity A can be sent to the datagram of virtual machine entity A for server X or other terminals；Work as void
After all memories of quasi- machine entity A are all copied to target physical server, virtual machine entity A is switched in target physical server
(virtual machine entity A in figure '), network migration auxiliary program is by temporarily forwarding the datagram of routing forwarding caching to target physical
Virtual machine entity on server, guarantee data message will not lose, server X by new network routing with virtual machine entity into
Row communication, guarantees that network smoothly switches.The method proposed in the present embodiment is used in any type of ethernet network.
Referring to Fig. 2, specifically, the side that the virtual machine entity thermophoresis network proposed in the embodiment of the present invention smoothly switches
Method, comprising the following steps:
Step S1, virtual machine entity enter final stage from source physical server thermophoresis to target physical server, empty
Before quasi- machine entity is turned off, starting network migration auxiliary program caching is sent to the data of virtual machine entity on the physical server of source
Report.
Specifically, it is managed after platform initiates the thermophoresis of virtual machine entity by thermophoresis, when thermophoresis enters final stage,
Before virtual machine entity delay machine, start network migration auxiliary program on the physical server of source.Above-mentioned network migration auxiliary program
It is run independently of virtual machine entity comprising at least one in process, thread, application, container or another virtual machine entity
Kind, above-mentioned process, thread can be realized by simply programming；Network migration auxiliary program can possess oneself independent network
Identity participates in network communication by virtual machine entity manager；Network migration auxiliary program and thermophoresis management platform carry out
Communication, is controlled and status information；For example, thermophoresis management platform migrates virtual machine entity to mesh from source physical server
Physical server is marked, in the final stage of migration, starts network migration auxiliary program, is cached and sent out by network migration auxiliary program
The datagram of virtual machine entity on the physical server of source；When thermophoresis management platform courses virtual machine entity takes in target physical
After being switched on business device, open state information is sent to network migration auxiliary program, network migrates auxiliary program and receives the shape that is switched on
State information.In the final stage of migration, before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to source physics
The datagram of virtual machine entity, prevents datagram from losing on server, and the network after being, which smoothly switches, to lay the foundation.
When thermophoresis enters final stage, before virtual machine entity delay machine, going the network flow of virtual machine entity seamless
It imported into the buffer pool of oneself.The datagram transmitted on network is not only considered, it is also contemplated that having arrived at service
Device network interface card, but also the datagram without reaching virtual machine is cached in network interface card.
Therefore, it when thermophoresis enters final stage, before virtual machine entity delay machine, is configured by network migration auxiliary program
Network interface card and/or by software filter datagram, the datagram for being sent to virtual machine entity is redirected, the net for removing virtual machine entity
Network flow is seamless to be imported into the buffer pool of oneself.Specifically, if network interface card hardware supported seamless switching, network migration assists journey
Sequence configures network interface card, and network interface card needs have corresponding support on hardware, the datagram in network interface card is avoided to be dropped.If without network interface card
Hardware supported can filter datagram on software, and the datagram for being sent to the 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 delay machine.
It completes after virtual machine physical memory is copied to target physical server from source physical server, virtual machine entity is in mesh
It is switched on mark physical server.
After the memory of virtual machine entity is copied to target physical server from source physical server, virtual machine entity is in mesh
It is switched on mark physical server.At this point, thermophoresis, which manages platform, notifies network migration auxiliary program, network migration for boot-strap information
The auxiliary program then available status information being switched in target physical server to virtual machine entity.
Step S2 gets virtual machine entity in target physical server after open state information, by the data of caching
Report the virtual machine entity being forwarded in target physical server.
After virtual machine entity is switched in target physical server, network migration auxiliary program using source physical server and
Virtual machine in the datagram to target physical server for the network connection forwarding cache established between target physical server is real
Body.After virtual machine entity reset, network routing also will do it update, and newly generated datagram will not be from original network path
Source physical server is removed, later, virtual machine entity receives datagram from the routing of new network.
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 guarantees that no datagram is dropped, and can also notify network according to event by Virtual Administrative Platform
It is out of service to migrate auxiliary program.
Further, in the present embodiment, if the network of tunneling technique is not used, when virtual machine entity is in object
After turning back on reason server, the network routing between virtual machine entity and network migration auxiliary program needs dynamic to generate,
It will cause a fixed response time.Therefore, in the present embodiment, taken in virtual machine entity from source physical server thermophoresis to target physical
Be engaged in building the network architecture using network tunnel technology during device, and by the memory copying of virtual machine entity thermophoresis into
Journey, network migration auxiliary program share the tunnel of source physical server and target physical server communication, can save dynamic
Generate the time newly routed.This is because the time that memory copying process is communicated is more early than network migration auxiliary program.Net
Network tunnel can be qinq (also known as double vlan, double virtual local area network tags), overlay (network layer superposition), Huo Zheqi
Its similar techniques.
It also proposed a kind of void in order to further be illustrated to the method in the embodiment of the present invention, in the embodiment of the present invention
The device that quasi- machine entity thermophoresis network smoothly switches.
Referring to Fig. 3, a kind of device that virtual machine entity thermophoresis network smoothly switches is additionally provided in the embodiment of the present invention,
It specifically includes:
Cache unit 10, virtual machine entity enter last rank from source physical server thermophoresis to target physical server
Section, before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to virtual machine entity on the physical server of source
Datagram.
Specifically, it is managed after platform initiates the thermophoresis of virtual machine entity by thermophoresis, when thermophoresis enters final stage,
Before virtual machine entity delay machine, start network migration auxiliary program on the physical server of source.Above-mentioned network migration auxiliary program
It is run independently of virtual machine entity comprising at least one in process, thread, application, container or another virtual machine entity
Kind, network migration auxiliary program can possess oneself independent network identity or participate in network by virtual machine entity manager
Communication；Network migration auxiliary program and thermophoresis management platform are communicated, and are controlled and status information.In the last of migration
In the stage, before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to virtual machine entity on the physical server of source
Datagram, prevent datagram from losing.
When thermophoresis enters final stage, before virtual machine entity delay machine, going the network flow of virtual machine entity seamless
It imported into the buffer pool of oneself.The datagram transmitted on network is not only considered, it is also contemplated that having arrived at service
Device network interface card, but also the datagram without reaching virtual machine is cached in network interface card.
Therefore, it when thermophoresis enters final stage, before virtual machine entity delay machine, is configured by network migration auxiliary program
Network interface card and/or by software filter datagram, the datagram for being sent to virtual machine entity is redirected, the net for removing virtual machine entity
Network flow is seamless to be imported into the buffer pool of oneself.Specifically, if network interface card hardware supported seamless switching, network migration assists journey
Sequence configures network interface card, and network interface card needs have corresponding support on hardware, the datagram in network interface card is avoided to be dropped.If without network interface card
Hardware supported can filter datagram on software, and the datagram for being sent to the 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 delay machine.
It completes after virtual machine physical memory is copied to target physical server from source physical server, virtual machine entity is in mesh
It is switched on mark physical server.
After the memory of virtual machine entity is copied to target physical server from source physical server, virtual machine entity is in mesh
It is switched on mark physical server.At this point, thermophoresis, which manages platform, notifies network migration auxiliary program, network migration for boot-strap information
The auxiliary program then available status information being switched in target physical server to virtual machine entity.
Retransmission unit 20 gets virtual machine entity in target physical server after open state information, by caching
Datagram is forwarded to the virtual machine entity in target physical server.
Above-mentioned retransmission unit 20 includes forwarding subelement, after virtual machine entity is switched in target physical server, forwarding
Subelement uses the network connection established between source physical server and target physical server by network migration auxiliary program
Virtual machine entity in the datagram to target physical server of forwarding cache.After virtual machine entity reset, network routing also can
It is updated, newly generated datagram will not remove source physical server from original network path again；Later, virtual machine entity
The datagram that server is sent is received from the routing of new network.
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 guarantees that no datagram is dropped, and can also notify network according to event by Virtual Administrative Platform
It is out of service to migrate auxiliary program.
Further, in the present embodiment, if the network of tunneling technique is not used, when virtual machine entity is in object
After turning back on reason server, the network routing between virtual machine entity and network migration auxiliary program needs dynamic to generate,
It will cause a fixed response time.Therefore, in the present embodiment, taken in virtual machine entity from source physical server thermophoresis to target physical
Be engaged in building the network architecture using network tunnel technology during device, and by the memory copying of virtual machine entity thermophoresis into
Journey, network migration auxiliary program share the tunnel of source physical server and target physical server communication, can save dynamic
Generate the time newly routed.This is because the time that memory copying process is communicated is more early than network migration auxiliary program.Net
Network tunnel can be qinq (also known as double vlan, double virtual local area network tags), overlay (network layer superposition), Huo Zheqi
Its similar techniques.
In conclusion method and dress that the virtual machine entity thermophoresis network to provide in the embodiment of the present invention smoothly switches
It sets, for virtual machine entity from during the physical server thermophoresis to target physical server of source, cache server is sent to source object
Manage the datagram of virtual machine entity on server；After thermophoresis completion, the datagram of caching is forwarded to target physical clothes
The virtual machine entity being engaged on device, so that data message will not be lost in thermomigration process, network switching is smooth, and can be adapted for
Any type of ethernet network；Network interface card is configured by network migration auxiliary program and/or by filtering datagram, will be sent to void
The datagram of quasi- machine entity is redirected, and is imported in buffer pool, so that datagram buffered on network interface card inside physical server
It will not lose；The network architecture is built using network tunnel technology, and by the memory copying process of virtual machine entity thermophoresis,
Network migration auxiliary program shares the tunnel of source physical server and target physical server communication, can save dynamic and generate newly
The time of routing.
It will be understood by those skilled in the art that the present invention includes being related to for executing one in operation described herein
Or multinomial equipment.These equipment can specially design and manufacture for required purpose, or also may include general-purpose computations
Known device in machine.These equipment have the computer program being stored in it, these computer programs selectively activate
Or reconstruct.Such computer program, which can be stored in equipment (for example, computer) readable medium or be stored in, to be suitable for
Storage e-command is simultaneously coupled in any kind of medium of bus respectively, and the computer-readable medium includes but is not limited to
Any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only Memory, read-only storage
Device), RAM (Random Access Memory, immediately memory), EPROM (Erasable Programmable Read-
Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically Erasable Programmable
Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), flash memory, magnetic card or light card.It is, readable
Medium includes by equipment (for example, computer) with any medium for the form storage or transmission information that can be read.
Those skilled in the art of the present technique be appreciated that can be realized with computer program instructions these structure charts and/or
The combination of each frame and these structure charts and/or the frame in block diagram and/or flow graph in block diagram and/or flow graph.This technology neck
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 is realized, to pass through the processing of computer or other programmable data processing methods
The scheme specified in frame or multiple frames of the device to execute structure chart and/or block diagram and/or flow graph disclosed by the invention.
Those skilled in the art of the present technique have been appreciated that in the present invention the various operations crossed by discussion, method, in process
Steps, measures, and schemes can be replaced, changed, combined or be deleted.Further, each with having been crossed by discussion in the present invention
Kind of operation, method, other steps, measures, and schemes in process may also be alternated, changed, rearranged, decomposed, combined or deleted.
Further, in the prior art to have and the step in various operations, method disclosed in the present invention, process, measure, scheme
It may also be alternated, changed, rearranged, decomposed, combined or deleted.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of method that virtual machine entity thermophoresis network smoothly switches, which comprises the following steps:
The network architecture is built using network tunnel technology；
Virtual machine entity enters final stage from source physical server thermophoresis to target physical server, and virtual machine entity is turned off
Before, starting network migration auxiliary program caching is sent to the datagram of virtual machine entity on the physical server of source；
Virtual machine entity is got in target physical server after open state information, the datagram of caching is forwarded to target
Virtual machine entity on physical server.
2. the method that virtual machine entity thermophoresis network according to claim 1 smoothly switches, which is characterized in that the net
Network migrates auxiliary program and runs independently of virtual machine entity comprising process, thread, application, container or another virtual machine are real
At least one of body.
3. the method that virtual machine entity thermophoresis network according to claim 1 smoothly switches, which is characterized in that described to open
Dynamic network migration auxiliary program caches the step of being sent to the datagram of virtual machine entity on the physical server of source
Network interface card is configured by network migration auxiliary program and/or by filtering datagram, will be sent to the datagram of virtual machine entity
It is redirected, imports in buffer pool.
4. the method that virtual machine entity thermophoresis network according to claim 1 smoothly switches, which is characterized in that described to incite somebody to action
The step of virtual machine entity that the datagram of caching is sent in target physical server includes:
Turned by network migration auxiliary program using the network connection established between source physical server and target physical server
Send out the virtual machine entity in the datagram to target physical server of caching.
5. the method that virtual machine entity thermophoresis network according to claim 1 smoothly switches, which is characterized in that the void
Quasi- machine entity includes: from source physical server thermophoresis to the step of target physical server
The network architecture is built using network tunnel technology, and the memory copying process of virtual machine entity thermophoresis, network are moved
Move the tunnel that auxiliary program shares source physical server and target physical server communication.
6. a kind of device that virtual machine entity thermophoresis network smoothly switches characterized by comprising
Cache unit builds the network architecture using network tunnel technology；Virtual machine entity is from source physical server thermophoresis to mesh
Mark physical server enters final stage, and before virtual machine entity is turned off, starting network migration auxiliary program caching is sent to source object
Manage the datagram of virtual machine entity on server；
Retransmission unit gets virtual machine entity in target physical server after open state information, by the datagram of caching
The virtual machine entity being forwarded in target physical server.
7. the device that virtual machine entity thermophoresis network according to claim 6 smoothly switches, which is characterized in that the net
Network migrates auxiliary program and runs independently of virtual machine entity comprising process, thread, application, container or another virtual machine are real
At least one of body.
8. the device that virtual machine entity thermophoresis network according to claim 6 smoothly switches, which is characterized in that described to open
The datagram that dynamic network migration auxiliary program caching is sent to virtual machine entity on the physical server of source specifically includes:
Network interface card is configured by network migration auxiliary program and/or by filtering datagram, will be sent to the datagram of virtual machine entity
It is redirected, imports in buffer pool.
9. the device that virtual machine entity thermophoresis network according to claim 6 smoothly switches, which is characterized in that described turn
Bill member includes:
Subelement is forwarded, by network migration auxiliary program using establishing between source physical server and target physical server
The virtual machine entity being connected to the network in the datagram to target physical server of forwarding cache.
10. the device that virtual machine entity thermophoresis network according to claim 6 smoothly switches, which is characterized in that described
Cache unit is also used to:
The network architecture is built using network tunnel technology, and the memory copying process of virtual machine entity thermophoresis, network are moved
Move the tunnel that auxiliary program shares source physical server and 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 |
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| CN106961487B (en) * | 2017-04-19 | 2020-10-27 | 南京大学 | Data stream self-adaptive adjusting system and method in virtual machine live migration process |
| CN107239323A (en) * | 2017-08-03 | 2017-10-10 | 郑州云海信息技术有限公司 | A kind of method and system of container thermophoresis |
| CN110858851B (en) * | 2018-08-24 | 2022-06-14 | 阿里巴巴集团控股有限公司 | Data connection restarting method, data processing method and device in live broadcast service |
| CN110874264B (en) * | 2018-08-30 | 2023-05-02 | 阿里巴巴集团控股有限公司 | Instance thermomigration method and device, storage medium and processor |
| CN114679461B (en) * | 2022-03-30 | 2023-02-14 | 浙江大学 | Cloud network session connectivity guarantee method and system for virtual machine live migration scene |
| CN115499385B (en) * | 2022-09-21 | 2023-09-12 | 中电云数智科技有限公司 | Method for preventing packet loss during thermal migration of vDPA virtual machine |
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| CN103812823A (en) * | 2012-11-07 | 2014-05-21 | 华为技术有限公司 | Method, device and system for configuration information migration in thermal migration of virtual machine |
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