CN105072052A - Hybrid SDN (Software Defined Networking) switch by utilizing dynamic migration technology - Google Patents
Hybrid SDN (Software Defined Networking) switch by utilizing dynamic migration technology Download PDFInfo
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Abstract
The invention discloses a hybrid SDN (Software Defined Networking) switch by utilizing a dynamic migration technology, relating to an SDN switch technology. The hybrid SDN switch mainly comprises switch hardware, an Linux operating system, a switch chip SDK (Software Development Kit), a traditional switch protocol module and an SDN module, wherein the switch hardware is traditional switch hardware; the traditional switch protocol module and the SDN module form a switch software level; furthermore, the SDN module comprises two parts including an OpenFlow module and an SDN controller; a virtual machine is started in the switch; the SDN controller is operated in the virtual machine; and the SDN controller can be dynamically migrated into a server along with the virtual machine according to requirements. According to the invention, the resources and the computing power of a processor in the switch are sufficiently utilized; therefore, the function flexibility of the switch can be greatly improved; and the high availability of the SDN switch can be ensured.
Description
Technical field
The present invention relates to SDN switch technology, specifically a kind of mixed type SDN switch utilizing dynamic migration technology.
Background technology
SDN switch technology was developed rapidly in recent years; but substantially still at software view; in the specific implementation of the SDN switch based on agreements such as OpenFlow; but there is not unified pattern always; especially with conventional switch in conjunction with in, how both to have supported following technology, protected the existing investment of user again simultaneously; and the application under compatible traditional architecture for exchanging, need a kind of practicable method.
Meanwhile, in virtualization applications, substantially still using server apparatus as the carrier of virtualization applications, server and switch still independently use as two diverse equipment.How realize the fusion of switch and server by SDN and Intel Virtualization Technology, the switch under cloud computing environment or the innovation and application of server are the difficult problems being badly in need of at present solving.
Summary of the invention
The present invention is directed to the weak point of current needs and prior art development, a kind of mixed type SDN switch utilizing dynamic migration technology is provided.
A kind of mixed type SDN switch utilizing dynamic migration technology of the present invention, the technical scheme solving the problems of the technologies described above employing is as follows: described mixed type SDN switch, mainly comprise exchange hardware and (SuSE) Linux OS, exchange chip SDK, traditional exchange agreement module, SDN module, wherein, described exchange hardware is conventional switch hardware, described traditional exchange agreement module and SDN module composition switch software aspect, and described SDN module comprises OpenFlow module, SDN controller two parts; Start virtual machine in a switch, and described SDN controller runs in virtual machine; Described SDN controller as required, can with dynamic migration of virtual machine in server.
Preferably, on described exchange hardware, be applicable to run (SuSE) Linux OS and the relevant SDK software of exchange chip SDK(exchange chip).
Preferably, described conventional switch protocol module and SDN module, on the (SuSE) Linux OS being jointly implemented in switch, and jointly use exchange chip SDK, realize the basic initial work to exchange chip.
Preferably, on described exchange chip SDK, be applicable to start conventional switch protocol module, for supporting that conventional switch is applied; On exchange chip SDK, be applicable to start OpenFlow and SDN controller, for supporting that SDN switch is applied.
Preferably, described exchange hardware adopts Broadcom exchange chip BCM56850 and IntelRangelyCPU.
Preferably, described OpenFlow module: adopt OpenFlow1.3.
Preferably, described SDN controller: adopt OpendaylightHelium.
Preferably, described virtual machine: adopt KVM.
Preferably, the dynamic migration software realizing dynamic migration function adopts LVM.
A kind of mixed type SDN switch utilizing dynamic migration technology of the present invention, the beneficial effect compared with prior art had is: the present invention is based on conventional switch hardware, by the flexible configuration of software module, by SDN and Intel Virtualization Technology, conventional switch function, SDN switch function, server capability are carried out organic assembling, realizes the innovative fusion architecture SDN switch possessing switch and server difference in functionality;
The present invention can make full use of resource and the computing capability of the processor in switch; Greatly can increase the flexibility of switch function; By virtual machine (containing SDN controller) is carried out hot standby, can realize, when virtual machine (containing SDN controller) goes wrong, carrying out system adapter by hot standby, the high availability of SDN switch can being ensured;
The present invention takes into account the difference in functionality demand of present and following switch, adopts computer virtualized technology, the mixed type SDN switch of realization, the needs that user is present and following can be met, possess skills advanced person, flexible function, the advantage that grade easy to implement is outstanding, has wide application prospect.
Accompanying drawing explanation
Accompanying drawing 1 is the theory diagram of mixed type SDN switch described in the present embodiment.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, a kind of mixed type SDN switch of dynamic migration technology that utilizes of the present invention is further described.
Under the present invention is directed to the development trend that switch and server merge day by day, in conjunction with SDN(software defined network) and computer virtualized technology, propose a kind of mixed type SDN switch utilizing dynamic migration technology.The present invention is based on SDN(software defined network) and computer virtualized technology, by conventional switch hardware, start virtual machine in a switch, and SDN controller software is run in virtual machine, make switch on the basis possessing conventional switch function, also possess the function of SDN switch; And can along with the online migration of virtual machine, carry out the dynamic migration of SDN controller, the function of SDN switch is moved in server, and flexible configuration and the unified management of SDN switch can be realized as required, thus realize a kind of application model SDN switch flexibly.
Embodiment:
A kind of mixed type SDN switch utilizing dynamic migration technology described in the present embodiment, as shown in Figure 1, described mixed type SDN switch (100) mainly comprises exchange hardware (105) and (SuSE) Linux OS (104), exchange chip SDK (103), tradition exchange agreement module (101), the softwares such as SDN module (102), wherein, described exchange hardware is conventional switch hardware, switch software aspect is formed by traditional exchange agreement module and SDN module, and described SDN module (102) comprises OpenFlow module (107), SDN controller (108) two parts, start virtual machine in described SDN switch, and described SDN controller runs in virtual machine (106), described SDN controller can with dynamic migration of virtual machine (109) in server (200) as required.
In described mixed type SDN switch, after in described dynamic migration of virtual machine to server (200), run in described server (200) and have virtual machine (201).
In mixed type SDN switch described in the present embodiment, on described exchange hardware (105), run (SuSE) Linux OS (104) and exchange chip SDK (103), on hardware, namely also run the relevant SDK software of exchange chip.Described (SuSE) Linux OS (104) is for supporting the various application on whole switch upper strata; Described SDK software is used for the initialization of exchange chip hardware, and provides and apply relevant physical layer interface, as the basis supporting that conventional switch is applied and SDN switch is applied to the SDN such as OpenFlow.
In mixed type SDN switch described in the present embodiment, described conventional switch protocol module (101) and SDN module (102) are implemented on the (SuSE) Linux OS (104) of switch jointly, and the common exchange chip SDK(103 using switch), realize the basic initial work to exchange chip.
Described traditional exchange agreement module (101) and SDN module (102) realize conventional switch function and SDN switch function respectively, start conventional switch protocol module, just can support that conventional switch is applied on described exchange chip SDK; On exchange chip SDK, start OpenFlow and SDN controller, just can support that SDN switch is applied.And be configured as required, switch can be made to possess at least one above-mentioned functions.
In mixed type SDN switch described in the present embodiment, described SDN controller (108) is with after in dynamic migration of virtual machine to server (200), normally can perform the work such as relevant the failing to be sold at auction of SDN switch issues, by technology such as itself the online migrations of virtual machine, ensure the reliability of SDN switch work.
In mixed type SDN switch described in the present embodiment, described exchange hardware adopts Broadcom exchange chip BCM56850 and IntelRangelyCPU; Described OpenFlow module: adopt OpenFlow1.3; Described SDN controller: adopt OpendaylightHelium; Described virtual machine: adopt KVM; The dynamic migration software of described dynamic migration function adopts LVM.
Be different from separate server/PC that current SDN controller runs on outside switch, mixed type SDN switch of the present invention, based on SDN(software defined network) and computer virtualized technology, by conventional switch hardware, SDN controller is run on switch itself, and start a general purpose virtual machine on switches simultaneously, and SDN controller is placed in this virtual machine runs; Make conventional switch possess SDN switch function simultaneously, and along with the online migration of virtual machine, the function of SDN switch can be moved in server, thus realize a kind of application model SDN switch flexibly.
Mixed type SDN switch of the present invention, can make full use of resource and the computing capability of the processor in switch; If start virtual machine (containing SDN controller) on switches, then switch becomes the mixed type switch supporting traditional function of exchange and SDN function; If virtual machine (containing SDN controller) moves on server (retain OpenFlow), then switch becomes tradition and underload SDN function switch; If do not run OpenFlow and virtual machine only runs conventional switch agreement, then become pure conventional switch; Greatly can increase the flexibility of switch function.
Utilize the dynamic migration of virtual machine (containing SDN controller), the SDN switch of High Availabitity can be realized: such as undertaken hot standby by virtual machine (containing SDN controller), just can realize when virtual machine (containing SDN controller) goes wrong, carry out system adapter by hot standby, thus ensure the high availability of SDN switch.In addition, the performance of exchange processor is strengthened further, increase the interface needed for other and parts simultaneously, then switch can be become the pattern of fusion switch really possessing server capability, the novelty application that cannot realize under can realizing existing switch pattern.
Above-mentioned embodiment is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to above-mentioned embodiment; any claims according to the invention and any person of an ordinary skill in the technical field to its suitable change done or replacement, all should fall into scope of patent protection of the present invention.
Claims (9)
1. one kind utilizes the mixed type SDN switch of dynamic migration technology, it is characterized in that, mainly comprise exchange hardware and (SuSE) Linux OS, exchange chip SDK, traditional exchange agreement module, SDN module, wherein, described exchange hardware is conventional switch hardware, described traditional exchange agreement module and SDN module composition switch software aspect, and described SDN module comprises OpenFlow module, SDN controller two parts; Start virtual machine in a switch, and described SDN controller runs in virtual machine; Described SDN controller as required, can with dynamic migration of virtual machine in server.
2. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 1, is characterized in that, on described exchange hardware, is applicable to run (SuSE) Linux OS and exchange chip SDK.
3. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 2, it is characterized in that, described conventional switch protocol module and SDN module, on the (SuSE) Linux OS being jointly implemented in switch, and the common exchange chip SDK that uses carries out basic initialization to exchange chip.
4. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 3, is characterized in that, on described exchange chip SDK, is applicable to start conventional switch protocol module, for supporting that conventional switch is applied; On exchange chip SDK, be applicable to start OpenFlow and SDN controller, for supporting that SDN switch is applied.
5. according to the arbitrary described a kind of mixed type SDN switch utilizing dynamic migration technology of Claims 1-4, it is characterized in that, described exchange hardware adopts Broadcom exchange chip BCM56850 and IntelRangelyCPU.
6. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 5, is characterized in that, described OpenFlow module: adopt OpenFlow1.3.
7. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 6, is characterized in that, described SDN controller: adopt OpendaylightHelium.
8. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 7, is characterized in that, described virtual machine: adopt KVM.
9. a kind of mixed type SDN switch utilizing dynamic migration technology according to claim 8, is characterized in that, the dynamic migration software realizing dynamic migration function adopts LVM.
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| CN201510528617.5A CN105072052B (en) | 2015-08-26 | 2015-08-26 | A kind of mixed type SDN switch utilizing dynamic migration technology |
| PCT/CN2016/070043 WO2017031920A1 (en) | 2015-08-26 | 2016-01-04 | Hybrid sdn switch utilizing dynamic migration technology |
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| CN201510528617.5A CN105072052B (en) | 2015-08-26 | 2015-08-26 | A kind of mixed type SDN switch utilizing dynamic migration technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017031920A1 (en) * | 2015-08-26 | 2017-03-02 | 浪潮集团有限公司 | Hybrid sdn switch utilizing dynamic migration technology |
| CN106572035A (en) * | 2016-11-11 | 2017-04-19 | 北京百卓网络技术有限公司 | SDN switch |
| CN107682281A (en) * | 2017-09-15 | 2018-02-09 | 通鼎互联信息股份有限公司 | A kind of application management method of SDN switch and SDN switch |
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| US20140280838A1 (en) * | 2013-03-15 | 2014-09-18 | Cisco Technology, Inc. | Application hints for network action |
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| KR20150030099A (en) * | 2013-09-11 | 2015-03-19 | 한국전자통신연구원 | System and method for address resolution |
| CN103685250A (en) * | 2013-12-04 | 2014-03-26 | 蓝盾信息安全技术股份有限公司 | Virtual machine security policy migration system and method based on SDN |
| CN104468397B (en) * | 2014-11-06 | 2018-06-12 | 新华三技术有限公司 | The method and apparatus that a kind of live migration of virtual machine forwards not packet loss |
| CN204168323U (en) * | 2014-11-20 | 2015-02-18 | 南京叠锶信息技术有限公司 | A kind of full SDN switch able to programme |
| CN104635879A (en) * | 2015-02-25 | 2015-05-20 | 浪潮集团有限公司 | Method for implanting blade servers on basis of SDN (software defined network) |
| CN105072052B (en) * | 2015-08-26 | 2016-10-12 | 浪潮集团有限公司 | A kind of mixed type SDN switch utilizing dynamic migration technology |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140280838A1 (en) * | 2013-03-15 | 2014-09-18 | Cisco Technology, Inc. | Application hints for network action |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017031920A1 (en) * | 2015-08-26 | 2017-03-02 | 浪潮集团有限公司 | Hybrid sdn switch utilizing dynamic migration technology |
| CN106572035A (en) * | 2016-11-11 | 2017-04-19 | 北京百卓网络技术有限公司 | SDN switch |
| CN106572035B (en) * | 2016-11-11 | 2023-05-23 | 北京百卓网络技术有限公司 | SDN switch |
| CN107682281A (en) * | 2017-09-15 | 2018-02-09 | 通鼎互联信息股份有限公司 | A kind of application management method of SDN switch and SDN switch |
| CN107682281B (en) * | 2017-09-15 | 2020-04-17 | 通鼎互联信息股份有限公司 | SDN switch and application management method thereof |
Also Published As
| Publication number | Publication date |
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| CN105072052B (en) | 2016-10-12 |
| WO2017031920A1 (en) | 2017-03-02 |
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Effective date of registration: 20221019 Address after: 100086 Room 307, 3/F, Building 20, East Yard, No. 10, Xibeiwang East Road, Haidian District, Beijing Patentee after: Beijing Inspur Cloud Computing Co.,Ltd. Address before: 250100 No. 1036 Tidal Road, Jinan High-tech Zone, Shandong Province, S01 Building, Tidal Science Park Patentee before: Inspur cloud Information Technology Co.,Ltd. |