CN108965094A - A kind of virtual machine network connection method and device - Google Patents
A kind of virtual machine network connection method and device Download PDFInfo
- Publication number
- CN108965094A CN108965094A CN201810979484.7A CN201810979484A CN108965094A CN 108965094 A CN108965094 A CN 108965094A CN 201810979484 A CN201810979484 A CN 201810979484A CN 108965094 A CN108965094 A CN 108965094A
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- Prior art keywords
- virtual machine
- network
- microsoft loopback
- loopback adapter
- gateway
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- 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
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
Abstract
The invention discloses a kind of virtual machine network connection method and devices.It is related to virtual machine platform technology, solves the problems, such as that physical router scheme operation cost and network complexity are high.This method comprises: creating Microsoft Loopback Adapter on virtual switch；By the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.Technical solution provided by the invention is suitable for the data interaction of virtual machine across a network, solves the problems, such as that physical router scheme operation cost and network complexity are high.
Description
Technical field
The present invention relates to virtual machine platform technology, espespecially a kind of virtual machine network connection method and device.
Background technique
Under virtualized environment, if virtual machine is in different subnets, intercommunication needs additional physics between virtual machine
Router does message transfer, increases operation cost and network complexity.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of virtual machine network connection method and devices.Pass through void
Virtual machine communicates between quasi- network interface card completes multiple and different subnets, realizes the virtual machine outgoing telecommunication without hardware, solves physics
Router scheme operation cost and the high problem of network complexity.
In order to reach the object of the invention, the present invention provides a kind of virtual machine network connection methods, which is characterized in that packet
It includes:
Microsoft Loopback Adapter is created on virtual switch；
By the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.
Preferably, the Microsoft Loopback Adapter is internal type, the step that Microsoft Loopback Adapter is created on virtual switch
Suddenly include:
The Microsoft Loopback Adapter that internal type is added on the virtual switch, is added to network for the Microsoft Loopback Adapter
NameSpace.
Preferably, the gateway association by different sub-network locating for multiple virtual machines to the step of Microsoft Loopback Adapter, wraps
It includes:
It is in the network namespace, the IP address of the gateway of different sub-network locating for the multiple virtual machine is additional
To the Microsoft Loopback Adapter, the routing table comprising each virtual machine and locating subnet gateway mapping relations is saved.
Preferably, by after the step of the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter,
Further include:
The first virtual machine in the first subnet sends to the second virtual machine to the first gateway of first subnet and sends
Message, second virtual machine is in the second subnet；
The message is forwarded according to the purpose IP address table of query and routing of the message in the network namespace
To the second gateway of second subnet.
The present invention also provides a kind of virtual machine network attachment devices, comprising:
Microsoft Loopback Adapter creation module, for creating Microsoft Loopback Adapter on virtual switch；
Gateway association module, for by the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.
Preferably, the Microsoft Loopback Adapter creation module is specifically used for adding internal class on the virtual switch
The Microsoft Loopback Adapter is added to network namespace by the Microsoft Loopback Adapter of type.
Preferably, the gateway association module is specifically used in the network namespace, by the multiple virtual machine
The IP address of the gateway of locating different sub-network is appended to the Microsoft Loopback Adapter, saves comprising each virtual machine and locating subnet gateway
The routing table of mapping relations.
Preferably, the device further include:
Packet forwarding module, for receiving first gateway of the first virtual machine for being in the first subnet to first subnet
The message sent to the second virtual machine sent, second virtual machine is in the second subnet, in the network namespace, root
According to the purpose IP address table of query and routing of the message, the message is forwarded to the second gateway of second subnet.
The present invention provides a kind of virtual machine network connection method and devices, and Microsoft Loopback Adapter is created on virtual switch,
Again by the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.Different sub-network is realized by Microsoft Loopback Adapter
Between data transmission, realize the virtual machine outgoing telecommunication without hardware, solve physical router scheme operation cost and net
The high problem of network complexity.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is a kind of flow diagram for virtual machine network connection method that one embodiment of the invention provides；
Fig. 2 is a kind of virtual machine network connection method realization principle schematic diagram that one embodiment of the invention provides；
Fig. 3 is a kind of structural schematic diagram for virtual machine network attachment device that one embodiment of the invention provides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Under virtualized environment, if virtual machine is in different subnets, intercommunication needs additional physics between virtual machine
Router does message transfer, increases operation cost and network complexity.
To solve the above-mentioned problems, the embodiment provides a kind of virtual machine network connection method and device, nothings
Additional hardware router need to be increased, reduce operation cost and network complexity.
One embodiment of the invention provides a kind of virtual machine network connection method, completes the void across subnet using this method
The process of quasi- machine communication is as shown in Figure 1, comprising:
Step 101 creates Microsoft Loopback Adapter on virtual switch.
The Microsoft Loopback Adapter that internal type is added on the virtual switch, is added to network for the Microsoft Loopback Adapter
NameSpace.
Step 102, by the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.
In network namespace, the default gateway IP each subnet is additional in this Microsoft Loopback Adapter, opening network name
The message forwarding capability in space.
Specifically, in the network namespace, by the IP of the gateway of different sub-network locating for the multiple virtual machine
Address is appended to the Microsoft Loopback Adapter, saves the routing table comprising each virtual machine and locating subnet gateway mapping relations.
The realization principle of the embodiment of the present invention is as shown in Fig. 2, two virtual machines belong to different subnets, the default of each subnet
Gateway IP configuration red round block in figure.The IP of virtual machine 1 is 192.168.1.2, and default gateway IP is 192.168.1.1；It is empty
The IP of quasi- machine 2 is 172.16.12.2, and default gateway IP is 172.16.12.1.192.168.1.1 with 172.16.12.1 the two
Gateway IP is added on the Microsoft Loopback Adapter of red round block.
It completes to postpone matching for Microsoft Loopback Adapter, the transmission of message can be carried out between the virtual machine in different sub-network, is located
The message sent to the second virtual machine is sent to the first gateway of first subnet in the first virtual machine of the first subnet, it is described
Second virtual machine is in the second subnet；In the network namespace, according to the purpose IP address table of query and routing of the message,
The message is forwarded to the second gateway of second subnet.
For the application environment shown in Fig. 2, virtual machine 1 accesses virtual machine 2, since two virtual machines belong to different sons
Net, then virtual machine 1 can be sent to message on the default gateway of oneself.Microsoft Loopback Adapter in network namespace receives virtually
The message of machine 1 does message forwarding according to destination IP table of query and routing, is sent to virtual machine 2.
One embodiment of the invention additionally provides a kind of virtual machine network attachment device, the structure of the device as shown in figure 3,
Include:
Microsoft Loopback Adapter creation module 301, for creating Microsoft Loopback Adapter on virtual switch；
Gateway association module 302, for by the gateway association of different sub-network locating for multiple virtual machines to the virtual net
Card.
Preferably, the Microsoft Loopback Adapter creation module 301, specifically for adding internal on the virtual switch
The Microsoft Loopback Adapter is added to network namespace by the Microsoft Loopback Adapter of type.
Preferably, the gateway association module 302 is specifically used in the network namespace, by the multiple void
The IP address of the gateway of different sub-network locating for quasi- machine is appended to the Microsoft Loopback Adapter, saves comprising each virtual machine and locating subnet
The routing table of gateway maps relationship.
Preferably, the device further include:
Packet forwarding module 303, for receiving the first virtual machine in the first subnet to the first of first subnet
The message sent to the second virtual machine that gateway is sent, second virtual machine are in the second subnet, empty in the network naming
Between, according to the purpose IP address table of query and routing of the message, the message is forwarded to the second gateway of second subnet.
The embodiment provides a kind of virtual machine network connection method and devices, create on virtual switch empty
Quasi- network interface card, then by the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.It is realized by Microsoft Loopback Adapter
Data transmission between different sub-network, realizes the virtual machine outgoing telecommunication without hardware, solves physical router scheme operation
Cost and the high problem of network complexity.
Communication between the virtual machine of different sub-network can be by network namespace transfer, without increasing additional hardware
Router, cuts operating costs and network complexity.Key point of the invention is virtually to hand under virtualized environment in conjunction with OVS
It changes planes and realizes routing function with network namespace, the virtual machine of different sub-network is enable to communicate with each other.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Claims (8)
1. a kind of virtual machine network connection method characterized by comprising
Microsoft Loopback Adapter is created on virtual switch；
By the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.
2. virtual machine network connection method according to claim 1, which is characterized in that the Microsoft Loopback Adapter is internal
Type, it is described to include: the step of creating Microsoft Loopback Adapter on virtual switch
The Microsoft Loopback Adapter that internal type is added on the virtual switch, is added to network naming for the Microsoft Loopback Adapter
Space.
3. virtual machine network connection method according to claim 2, which is characterized in that it is described will be locating for multiple virtual machines
The gateway association of different sub-network to the step of Microsoft Loopback Adapter includes:
In the network namespace, the IP address of the gateway of different sub-network locating for the multiple virtual machine is appended to institute
Microsoft Loopback Adapter is stated, the routing table comprising each virtual machine and locating subnet gateway mapping relations is saved.
4. virtual machine network connection method according to claim 2, which is characterized in that by difference locating for multiple virtual machines
After the step of gateway association of subnet to Microsoft Loopback Adapter, further includes:
The first virtual machine in the first subnet sends the report sent to the second virtual machine to the first gateway of first subnet
Text, second virtual machine are in the second subnet；
In the network namespace, according to the purpose IP address table of query and routing of the message, the message is forwarded to institute
State the second gateway of the second subnet.
5. a kind of virtual machine network attachment device characterized by comprising
Microsoft Loopback Adapter creation module, for creating Microsoft Loopback Adapter on virtual switch；
Gateway association module, for by the gateway association of different sub-network locating for multiple virtual machines to the Microsoft Loopback Adapter.
6. virtual machine network attachment device according to claim 5, which is characterized in that the Microsoft Loopback Adapter creation module,
Specifically for adding the Microsoft Loopback Adapter of internal type on the virtual switch, the Microsoft Loopback Adapter is added to network
NameSpace.
7. virtual machine network attachment device according to claim 6, which is characterized in that the gateway association module, specifically
For in the network namespace, the IP address of the gateway of different sub-network locating for the multiple virtual machine to be appended to institute
Microsoft Loopback Adapter is stated, the routing table comprising each virtual machine and locating subnet gateway mapping relations is saved.
8. virtual machine network attachment device according to claim 6, which is characterized in that the device further include:
Packet forwarding module is sent for receiving the first virtual machine in the first subnet to the first gateway of first subnet
To the second virtual machine send message, second virtual machine is in the second subnet, in the network namespace, according to institute
The message is forwarded to the second gateway of second subnet by the purpose IP address table of query and routing for stating message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810979484.7A CN108965094A (en) | 2018-08-23 | 2018-08-23 | A kind of virtual machine network connection method and device |
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| CN201810979484.7A CN108965094A (en) | 2018-08-23 | 2018-08-23 | A kind of virtual machine network connection method and device |
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Cited By (5)
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| CN110971514A (en) * | 2019-11-29 | 2020-04-07 | 湖南基石通信技术有限公司 | Pilot frequency gateway equipment and data interaction method of pilot frequency network |
| CN114401274A (en) * | 2022-01-21 | 2022-04-26 | 浪潮云信息技术股份公司 | Communication line creating method, device, equipment and readable storage medium |
| CN114584504A (en) * | 2022-04-30 | 2022-06-03 | 苏州浪潮智能科技有限公司 | Network card communication method, device, equipment and medium of AI training platform |
| CN114697246A (en) * | 2022-02-23 | 2022-07-01 | 浙江众合科技股份有限公司 | Virtual machine test environment construction method |
| CN114938318A (en) * | 2022-05-11 | 2022-08-23 | 浪潮云信息技术股份公司 | Cross-regional peer-to-peer connection implementation method based on elastic public network IP |
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