CN109347715A - A kind of the private line network cut-in method and its system of external tenant - Google Patents
A kind of the private line network cut-in method and its system of external tenant Download PDFInfo
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- CN109347715A CN109347715A CN201810784022.XA CN201810784022A CN109347715A CN 109347715 A CN109347715 A CN 109347715A CN 201810784022 A CN201810784022 A CN 201810784022A CN 109347715 A CN109347715 A CN 109347715A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
The present invention relates to the private line network cut-in methods and its access system of a kind of external tenant.Love method includes: virtual flow-line domain foundation step, creates proprietary virtual flow-line domain for external tenant and accesses the special line of external tenant；External network foundation step creates the proprietary external network based on VLAN to external tenant, and VLAN belonging to the external network is tied to the virtual flow-line domain；Virtual router foundation step creates virtual router, and the virtual router is tied to corresponding external network, and adds virtual machine network interface card in virtual machine internal, and the Microsoft Loopback Adapter is tied to the virtual router.In accordance with the invention it is possible to realize being isolated between special line and special line and being isolated between special line and public network, safety and flexibility can be improved.
Description
Technical field
The present invention relates to clouds, realize external tenant more particularly to based on external network and virtual flow-line field technique
Private line network cut-in method and private line network access system.
Background technique
The access of external network is that virtual machine realizes the critical function communicated across cloud.In the prior art, external tenant
For, the service communication in public cloud and private clound between virtual machine is realized by special line, then needs for virtual machine to be tied to pair
The external network answered.When creating external network, it is necessary first to plan an IP address pond for external network.Subsequent needs are outside
An external network IP is bound for virtual machine in portion network address pond, virtual machine is using in this external network IP realization and private clound
The communication of virtual machine.Such state of the art will lead to following two problems:
(1) special line and public network share the same external network.Outside network address pond is fixed, therefore is directed to different tenants, is needed
The IP address of external network is converted into the special line address of corresponding tenant by the NAT of firewall, realize based on special line across cloud
Access.Meanwhile in bottom route exchange device, the access for special line is needed to add detail routing.If special line opposite end address
It changes, then needs dynamically to adjust detail routing.
(2) all tenants share external network.Private line network all will lead to following problems in an address space: 1) having
The virtual machine of special line requirements for access can not accomplish the isolation between tenant, and there are safety problems;2) due in a cyberspace,
Special line routing is effective to all external tenants.The services addresses network segment of its special line opposite end private clound of tenant is identical outside two
When, there is routing conflict.
Therefore, in existing access via telephone line scheme, there are problems that private line network isolation, if specific division, mainly include
The isolating problem between isolating problem and private line network and private line network between private line network and public network network.
Being disclosed in the information of background parts of the present invention, it is only intended to increase understanding of the overall background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
In view of the above problems, the present invention is intended to provide a kind of private wire network for the external tenant that can be realized private line network isolation
Network cut-in method and private line network access system.
The private line network cut-in method of external tenant of the invention characterized by comprising
Virtual flow-line domain foundation step creates proprietary virtual flow-line domain and accesses the special line of external tenant for external tenant；
External network foundation step creates the proprietary external network based on VLAN, and the external network to external tenant
Affiliated VLAN is tied to the virtual flow-line domain；
Virtual router foundation step, creates virtual router on the network node, and the virtual router is tied to corresponding
External network, and virtual machine network interface card is added in virtual machine internal, the Microsoft Loopback Adapter is tied to the virtual router.
Optionally, virtual flow-line domain foundation step includes:
Proprietary virtual flow-line domain is created for external tenant；And
It accesses the special line of external tenant and leased-line interface is bound into corresponding virtual flow-line domain,
Wherein, the default route for being directed toward the special line opposite end is configured in the virtual flow-line domain.
Optionally, the external network foundation step includes:
ID based on external tenant and the proprietary external network based on VLAN is created to external tenant；
VLAN belonging to the external network is tied to the virtual flow-line domain；
Optionally, include: in the virtual router foundation step virtual machine internal add route, by public network flow with
Special line flow is forwarded to different virtual machine network interface cards.
Optionally, the virtual router foundation step includes:
Outside router is created, the outside router is tied to corresponding external network；
The first Microsoft Loopback Adapter is added in virtual machine internal, which is tied to the outside router.
Optionally, the virtual router foundation step further include:
Public network router is created, the public network router is tied to the external network of public network；
The second Microsoft Loopback Adapter is added in virtual machine internal, which is tied to the public network router.
Private line network access system of the invention, which is characterized in that have:
Virtual flow-line domain, the special line corresponding to external tenant and for accessing external tenant；
External network corresponds to external tenant and is based on VLAN, and VLAN belonging to the external network is tied to the void
Quasi- routed domain；
Virtual router is tied to corresponding external network；And
Virtual machine, in the Microsoft Loopback Adapter of inside addition, and the Microsoft Loopback Adapter and the virtual router are bound.
Optionally, ID of the external network based on external tenant and be created as the extranets proprietary to external tenant
Network.
Optionally, the virtual flow-line domain is realized by the VLAN only comprising the proprietary external network of the external tenant
Corresponding to external tenant.
Optionally, to add routing in the virtual machine internal different virtual public network flow and special line flow to be forwarded to
Machine network interface card.
Computer-readable medium of the invention, is stored thereon with computer program, which is characterized in that the computer program quilt
Processor realizes the private line network cut-in method of above-mentioned external tenant when executing.
Computer equipment of the invention, including memory, processor and storage are on a memory and can be on a processor
The computer program of operation, which is characterized in that the processor realizes above-mentioned external tenant when executing the computer program
Private line network cut-in method.
As described above, according to the access via telephone line system and private wire access method of aforementioned present invention, can be realized special line with
Being isolated between special line and between special line and public network improves safety and flexibility.Meanwhile it also can satisfy virtual machine
The demand of public network and private line service is accessed simultaneously.
It is used to illustrate the specific reality of certain principles of the invention together with attached drawing by include this paper attached drawing and then
Mode is applied, other feature possessed by methods and apparatus of the present invention and advantage will become more concrete or explained
It is bright.
Detailed description of the invention
Fig. 1 is the flow chart for indicating private line network cut-in method of the invention.
Fig. 2 is the frame diagram for indicating the access via telephone line system of one embodiment of the present invention.
Fig. 3 is the flow chart for indicating the private wire access method of one embodiment of the present invention.
Specific embodiment
What is be described below is some in multiple embodiments of the invention, it is desirable to provide to basic understanding of the invention.And
It is not intended to and confirms crucial or conclusive element of the invention or limit scope of the claimed.
The main technical concept of the present invention is, is based on external network (External Network) and VPN-INSTANCE
(virtual flow-line domain) technology realizes the access via telephone line of external tenant.The private line network cut-in method and private line network of external tenant
Access system can be applied to the private line network access of external tenant in mixed cloud.In mixed cloud, special line is that external tenant is private
There is the main connection type of cloud and public cloud, it can using private line network cut-in method and private line network access system of the invention
To realize high speed between cloud and cloud, stablize, the communication of safety.
Then, private line network cut-in method of the invention is illustrated.
Fig. 1 is the flow chart for indicating private line network cut-in method of the invention.
As shown in Figure 1, private line network cut-in method of the invention includes the following steps:
Virtual flow-line domain foundation step S100: proprietary virtual flow-line domain is created for external tenant and accesses the special of external tenant
Line；
External network foundation step S200: the proprietary external network based on VLAN, and the outside are created to external tenant
The VLAN of network belonging is tied to the virtual flow-line domain；
Virtual router foundation step S300: creating virtual router on the network node, and the virtual router is tied to pair
The external network answered, and virtual machine network interface card is added in virtual machine internal, the Microsoft Loopback Adapter is tied to the virtual flow-line
Device.Wherein, virtual router creates on the network node.The interior business flow of cloud platform tenant goes out cloud platform and requires
By virtual router, that is, have to pass through network node.
It specifically, is being first that external tenant's creation is special in underlay network device in virtual flow-line domain foundation step S100
Some virtual flow-line domains (VPN-INSTANCE) access the special line of external tenant, leased-line interface are bound corresponding virtual flow-line
Domain (VPN-INSTANCE).In this way, by the way that external tenant's private line network to be bundled in proprietary virtual flow-line domain (VPN-
INSTANCE on), it will be able to come with other tenants and public network Network Isolation, realize the private line network access isolation of tenant.
Then, in external network creation step S200, in cloud platform level, a proprietary base is created for external tenant
In the external network of VLAN, the proprietary virtual flow-line domain (VPN-INSTANCE) of this VLAN and gateway binds outside tenant.Here,
It is so-called " proprietary ", as an example, it can be the ID based on external tenant and to correspond to creation corresponding outer based on VLAN
Portion's network.
In this way by step S100 and step S200, external network has been got through based on virtual flow-line domain (VPN-INSTANCE)
With the network of special line, and external network and virtual flow-line domain (VPN-INSTANCE) they are that tenant is proprietary, therefore, Neng Goushi
The private line network of existing tenant accesses isolation.
Then, in virtual router foundation step S300, in virtual machine service layer, an outside router is created, outside
Portion's router is tied to proprietary external network.It throws the net card for virtual machine addition one, by this network card binding to outside router, together
When distribute an external network IP.Service communication in virtual machine and private clound, is transmitted by this network interface card.
In this way, the special line flow of virtual machine is transmitted to proprietary external network, extranets by a proprietary network interface card
Network is bundled in proprietary virtual flow-line domain (VPN-INSTANCE), passes through default road in virtual flow-line domain (VPN-INSTANCE)
By service traffics are transferred to special line.
In this way, in above-mentioned steps S100 into step S300, Microsoft Loopback Adapter that the flow of private line service is passed through, extranets
Network, virtual flow-line domain (VPN-INSTANCE), special line are all that tenant is proprietary, and entire special line transmission network can be realized good industry
Business isolation.
Then, the private line network access system of one embodiment of the present invention and private line network cut-in method are carried out
Explanation.
Fig. 2 is the frame diagram for indicating the access via telephone line system of one embodiment of the present invention.
In Fig. 2, A is access area, and B is interchanger, and C is network node, and 100 indicate virtual flow-line domain, and 200 indicate extranets
Network, 300 indicate virtual router, and 400 indicate virtual machine.Two virtual machines are shown in Fig. 2, but only example here, it is empty
The number of quasi- machine 400 can according to need setting.
As shown in Fig. 2, access via telephone line system of the invention includes:
Virtual flow-line domain 100, the special line corresponding to external tenant and for accessing external tenant；
External network 200 corresponds to external tenant and is based on VLAN, and VLAN belonging to the external network be tied to it is described
Virtual flow-line domain；
Virtual router 300 is tied to corresponding external network；And
Virtual machine 400 adds Microsoft Loopback Adapter in the virtual machine internal, and the Microsoft Loopback Adapter binds the virtual router.
Wherein, virtual flow-line domain 100 refers to the virtual flow-line domain of underlay network device, and external network 200 is user's creation
Realization virtual machine correspondence with foreign country network, network node C is the interface of all 400 correspondence with foreign country of virtual machine.
When there is external tenant to need through access via telephone line public cloud, proprietary virtual flow-line domain, outer is planned for it first
Portion's network, outside network address pond.Specifically, proprietary virtual flow-line domain is created for tenant (virtual flow-line domain is expressed as in Fig. 2
Y) 100, by access via telephone line access via telephone line area A, access interface is bundled in virtual flow-line domain and (is expressed as virtual flow-line in Fig. 2
Domain Y) under 100.
Then, address pool is planned for external network 200, while the net of external network 200 is configured under virtual flow-line domain 100
It closes.Then, creation is based on the external network 200 of VLAN (VLAN XX is expressed as in Fig. 2), and the VLAN of external network 200 is to rent
Family is privately owned.When external network 200 creates, the ID of tenant is specified, this indicates this external network, and tenant is proprietary thus.
In this way, realizing that virtual flow-line domain 100 and matching for external network 200 postpone, the configuration of basic resource is completed, this
Afterwards, virtual machine 400 needs to route to the service traffics of special line into proprietary external network 200.Then, as virtual router
300, tenant creates outside router and applies for two IP in external network 200, and an IP is bundled in outside router.
Meanwhile a Microsoft Loopback Adapter is created for virtual machine 400, the subnet where this Microsoft Loopback Adapter is tied to outside router, thus
Microsoft Loopback Adapter distributes an external network IP.In virtual machine 400, special line flow is guided so far network interface card by addition routing.This
Sample completes the access problem of special line flow.
On the other hand, when virtual machine has public network access and special line requirements for access simultaneously.As virtual router 300,
It needs to create a public network router, this public network router is tied to the external network of public network.Meanwhile virtual machine 400 is additional
A Microsoft Loopback Adapter is added, this Microsoft Loopback Adapter is bundled under public network router, distributes a public network IP.Add in virtual machine internal
Add routing, public network flow is forwarded to different Microsoft Loopback Adapters from special line flow.
The process of private wire access method for illustrating the access via telephone line system based on aforementioned present invention in Fig. 3 and realizing.
As shown in figure 3, the private wire access method of one embodiment of the present invention includes the following steps:
Step S10: creation virtual flow-line domain (VPN-INSTANCE) 100；
Step S11: the access via telephone line of external tenant is bundled under virtual flow-line domain 100；
Step S12: the default route of special line opposite end is directed toward in configuration in virtual flow-line domain (VPN-INSTANCE) 100；
Step S13: external network 200 of the creation based on VLAN；
Step S14: VLAN belonging to external network 200 is tied to virtual flow-line domain (VPN-INSTANCE) 100；
Step S15: virtual router 300 is created inside tenant；
Step S16: virtual machine 400 adds Microsoft Loopback Adapter；
Step S17: subnet where Microsoft Loopback Adapter is bundled under virtual flow-line 300.
As described above, according to the access via telephone line system and private wire access method of aforementioned present invention, can be realized special line with
Being isolated between special line and between special line and public network improves safety and flexibility.Meanwhile it also can satisfy virtual machine
The demand of public network and private line service is accessed simultaneously.Specifically have the following technical effect that
Firstly, ensure that the isolation of private line network.Special line and public network network distribute in different external networks for virtual machine
Multiple network interface cards bind corresponding external network respectively.It is public for having the virtual machine of public network and private line network requirements for access simultaneously
Net and private line service flow can be transmitted from different network interface cards.Meanwhile in private line network, default route need to be only added.It avoids
Routing variation caused by special line opposite end address change.By improving to being isolated between different tenant's private line networks
The safety of network, while solving routing collision problem.
The present invention also provides a kind of computer-readable mediums, are stored thereon with computer program, which is characterized in that the calculating
Machine program realizes the private line network cut-in method of above-mentioned external tenant when being executed by processor.
The present invention also provides a kind of computer equipment, including memory, processor and storage are on a memory and can be
The computer program run on processor, which is characterized in that the processor is realized above-mentioned when executing the computer program
The private line network cut-in method of external tenant.
More than, example primarily illustrates private line network cut-in method and the private line network access of external tenant of the invention
System.Although only some of a specific embodiment of the invention are described, those of ordinary skill in the art are answered
Work as understanding, the present invention can implemented without departing from its spirit in range in many other forms.Therefore, the example shown
It is considered as illustrative and not restrictive with embodiment, is not departing from the essence of the present invention as defined in appended claims
In the case where mind and range, the present invention may cover various modification and replacement.
Claims (12)
1. a kind of private line network cut-in method of external tenant characterized by comprising
Virtual flow-line domain foundation step creates proprietary virtual flow-line domain and accesses the special line of external tenant for external tenant；
External network foundation step creates the proprietary external network based on VLAN, and the external network to external tenant
Affiliated VLAN is tied to the virtual flow-line domain；
Virtual router foundation step creates virtual router in network node, and the virtual router is tied to corresponding outer
Portion's network, and virtual machine network interface card is added in virtual machine internal, the Microsoft Loopback Adapter is tied to the virtual router.
2. the private line network cut-in method of external tenant as described in claim 1, which is characterized in that
Virtual flow-line domain foundation step includes:
Proprietary virtual flow-line domain is created for external tenant；And
It accesses the special line of external tenant and leased-line interface is bound into corresponding virtual flow-line domain,
Wherein, the default route for being directed toward the special line opposite end is configured in the virtual flow-line domain.
3. the private line network cut-in method of external tenant as described in claim 1, which is characterized in that
The external network foundation step includes:
ID based on external tenant creates the proprietary external network based on VLAN to external tenant；
VLAN belonging to the external network is tied to the virtual flow-line domain.
4. the private line network cut-in method of external tenant as described in claim 1, which is characterized in that
It include: to add to route in virtual machine internal in the virtual router foundation step, by public network flow and special line stream
Amount is forwarded to different virtual machine network interface cards.
5. the private line network cut-in method of external tenant as described in claim 1, which is characterized in that
The virtual router foundation step includes:
Outside router is created, the outside router is tied to corresponding external network；
The first Microsoft Loopback Adapter is added in virtual machine internal, which is tied to the outside router.
6. the private line network cut-in method of external tenant as claimed in claim 5, which is characterized in that
The virtual router foundation step further include:
Public network router is created, the public network router is tied to the external network of public network；
The second Microsoft Loopback Adapter is added in virtual machine internal, which is tied to the public network router.
7. a kind of private line network access system, which is characterized in that have:
Virtual flow-line domain, the special line corresponding to external tenant and for accessing external tenant；
External network is corresponded to external tenant and is realized based on VLAN, and VLAN belonging to the external network is tied to institute
State virtual flow-line domain；
Virtual router is tied to corresponding external network；And
Virtual machine, in the Microsoft Loopback Adapter of inside addition, and the Microsoft Loopback Adapter and the virtual router are bound.
8. private line network access system as claimed in claim 7, which is characterized in that
ID of the external network based on external tenant and be created as the external network proprietary to external tenant.
9. private line network access system as claimed in claim 8, which is characterized in that
The virtual flow-line domain corresponds to outside by the VLAN only comprising the proprietary external network of the external tenant to realize
Tenant.
10. private line network access system as claimed in claim 7, which is characterized in that
In virtual machine internal addition routing public network flow is forwarded to different virtual machine network interface cards from special line flow.
11. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that the computer program is processed
The private line network cut-in method of external tenant described in any one of claim 1 ~ 6 is realized when device executes.
12. a kind of computer equipment, can run on a memory and on a processor including memory, processor and storage
Computer program, which is characterized in that the processor realizes any one of claim 1 ~ 6 when executing the computer program
The private line network cut-in method of the external tenant.
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| CN201810784022.XA CN109347715B (en) | 2018-07-17 | 2018-07-17 | Private network access method and system for external tenant |
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| CN201810784022.XA CN109347715B (en) | 2018-07-17 | 2018-07-17 | Private network access method and system for external tenant |
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| CN114006909A (en) * | 2021-11-11 | 2022-02-01 | 四川中电启明星信息技术有限公司 | Method and system for point-to-point unidirectional dynamic private line connection between private cloud tenants |
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| Publication number | Publication date |
|---|---|
| CN109347715B (en) | 2021-03-30 |
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