CN106559254A - SDN multiple-domain networks device and implementation method based on both-end mouth switch - Google Patents
SDN multiple-domain networks device and implementation method based on both-end mouth switch Download PDFInfo
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- CN106559254A CN106559254A CN201511019019.1A CN201511019019A CN106559254A CN 106559254 A CN106559254 A CN 106559254A CN 201511019019 A CN201511019019 A CN 201511019019A CN 106559254 A CN106559254 A CN 106559254A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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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
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
- H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/552—Prevention, detection or correction of errors by ensuring the integrity of packets received through redundant connections
Abstract
The present invention proposes the SDN multiple-domain networks device and implementation method based on both-end mouth switch, and which includes：By link-attached SDN master controllers and multiple network communication modules；Each network communication module includes at least master controller, SDN assistant controllers and some both-end mouth switchs；The SDN master controllers and SDN assistant controllers are connected with the SDN master controllers on upper strata respectively.By building network communication module, network area is divided；Process the link failure between the SDN master controllers in the network communication module and both-end mouth switch, and when certain network communication module breaks down, another region is connected automatically by the both-end mouth switch in the network area, to realize transregional field communication.Ensure that the normal operation of the device in the case where some links of network or even certain SDN controller occur failure.
Description
Technical field
The present invention relates to a kind of network equipment and implementation method, and in particular to the SDN multiple-domain network devices based on both-end mouth switch
And implementation method.
Background technology
State Grid's data communication network is comprehensive Wide Area Network transmission platform in current electric utility.In recent years, country is numerous and confused
Data communication network is built, these data communication network major parts are integrated service network, and the equipment for adopting is asynchronous transfer mould
Formula (ATM) equipment；The electric substation of power plant administered directly under company of power administration by main nerve of a covering provincial company.With Three Gorges Projects, west
Engineering, the enforcement of on national network engineering, national fiber optic network is sent to gradually form in electric east.2009, State Grid Corporation of China
Announce that " strong intelligent grid " is planned, wherein, passive is exactly messaging platforms, and communication network is carried
Higher requirement is gone out.It is under in new business, IPization, traditional business are also acted on to the trend of IPization development comprehensively, electric integrated
Data communication network will be the inevitable choice for building powerline network of future generation.
However, available data communication network adopts classic network communication system framework, the closing of network communication equipment software and hardware is integrated.
Traditional framework has been difficult in adapt to the demand of the development in the future of powerline network：
(1) each equipment in network is individually controlled, and network lacks global view, lacks overall control ability, it is impossible to slapped in real time
Network operation situation is held, the overall scheduling of Internet resources cannot be also realized, the network information security cannot be ensured, therefore network money
Source utilization rate and reliability are relatively low.
(2) with the expansion of information network scale, network bearer increases, and traditional communication network is due to lacking unification
Control plane, therefore O＆M is less efficient, attendant is more, and the new business of deployment is lasted longer, it is difficult to meet sending out for company
Exhibition is required.
Software defined network is SDN, and for the conventional transmission network architecture, SDN is a kind of revolutionary change.SDN
Design concept be, by network-based control plane and data forwarding planar separation, and to realize programmable control.It will control work(
Can separate from transmission equipment, move it into the control environment being logically independent --- among network control system.This is
System can be run on general server, and user can at any time, directly be controlled functional programming.Therefore, control function is not
It is confined in equipment again, the production firm for being also no longer limited to only equipment could program and define.SDN is really realized
The network control of centralization, can optimize network by software programmable mode.It is Future Power System data center, number
According to the important development direction of network.
However, in traditional SDN structure, controlling some SDN switches using single SDN controllers.Now, if
There is failure or SDN controller itself fails in the link between SDN controllers and certain SDN switch, can cause part very
To the paralysis of whole network system, the strong influence reliability of network system.Therefore, it is necessary to carry out necessity to SDN
Improvement, to adapt to the demand of powerline network.
The content of the invention
To achieve these goals, the present invention proposes SDN multiple-domain networks device and implementation method based on both-end mouth switch；Keep away
Single controller is exempted from due to itself fail, so as to cause the part even paralysis of whole network system, and the reliability for causing
The problem of the aspect such as property, autgmentability, performance.
The purpose of the present invention is realized using following technical proposals：
Based on the SDN multiple-domain network devices of both-end mouth switch, described device includes：By link-attached SDN master controllers
With multiple network communication modules；Each network communication module is including at least a master controller, SDN assistant controllers and some pairs
Port switch；The SDN master controllers and SDN assistant controllers are connected with the SDN master controllers on upper strata respectively.
Preferably, each the both-end mouth switch for including in each network communication module is set up with the SDN master controllers respectively
Main connection, and with the network communication module in, at least one SDN assistant controllers set up auxiliary connection.
Further, in described each network communication module, the first port of all both-end mouth switchs is connected with SDN master controllers
Connect；The second port of all both-end mouth switchs is connected with SDN assistant controllers.
Preferably, the SDN master controllers, including control unit and monitoring means；
Described control unit, for controlling the connection between each both-end mouth switch；
The monitoring means, for monitoring the Link State between SDN master controllers and exchange interface.
Preferably, the SDN assistant controllers, including recording unit and switch unit；
The recording unit, for the flow table information in SDN master controllers of backing up in realtime；
The switch unit, for when the link between the discovery of SDN master controllers and both-end mouth switch breaks down, switching
To SDN assistant controllers.
Preferably, the SDN master controllers, for dividing network area, the communication between controlling network region；
The network communication module, for characterizing the network area divided by network communication module；
The SDN master controllers, for being connected with the control between each both-end mouth switch, and monitor SDN master controllers with
Link State between both-end mouth switch；
The SDN assistant controllers, for the flow table information in SDN master controllers of backing up in realtime；When SDN master controllers monitoring with
When any bar link that both-end mouth switch is connected breaks down, SDN assistant controllers are switched to；Using SDN assistant controllers and chain
Link between the both-end mouth switch of road failure realizes being sent to for control instruction.
Preferably, the SDN assistant controllers, are additionally operable to when network communication module breaks down, by the network area
Both-end mouth switch connects another region automatically；To realize transregional field communication.
Based on the implementation method of the SDN multiple-domain network devices of both-end mouth switch, methods described includes：
(1) network communication module is built, divides network area；
(2) process the link failure between the SDN master controllers in the network communication module and both-end mouth switch；
(3) when certain network communication module breaks down, by the both-end mouth switch in the network area, connection is another automatically
One region, to realize transregional field communication.
Preferably, in the step (1), the division of network area includes；Splitted the network into by SDN master controllers multiple
Network communication module, each network communication module include at least master controller, SDN assistant controllers and some both-end oral sexes
Change planes.
Preferably, the step (2) specifically includes：When SDN master controllers detect certain link failure, in real time to SDN
Master controller sends link failure information；SDN master controllers are received after the link failure information of SDN master controllers to SDN
Assistant controller sends control instruction, the communication set up between SDN assistant controllers and the both-end mouth switch transmission of link failure；
Simultaneously the flow table of the both-end mouth switch is sent to SDN assistant controllers by the port of SDN master controllers.
Preferably, the step (3) specifically includes：Receive the OpenFlow comprising the dual-port switch mac address
Agreement, and according to the MAC Address, determine the connection type of each SDN controllers and the dual-port SDN switch,
The connection type is the main connection or auxiliary connection；Message is sent to the both-end mouth switch, each message is comprising described
The IP address and IP address URL of the arbitrary SDN controllers in network communication module.
Compared with immediate prior art, the beneficial effect that the present invention reaches is：
It is SDN master controllers and SDN assistant controllers there is provided dual controller；Single controller is avoided due to faults itself,
So as to cause the problem of the aspects such as the part even paralysis of whole network system, the reliability for causing, autgmentability, performance.Meet
Power industry data communication reliability high actual demand.
The both-end mouth switch of offer；During the link failure of connection, can automatically switch, realize being sent to for control signaling.Its spirit
It is active strong, greatly reduce maintenance cost；Effectively increase the reliability and work efficiency of data communication system.
Another region is connected automatically by the both-end mouth switch in the network area, to realize transregional field communication.Ensure that
The normal operation of device in the case where some links of network or even certain SDN controller occur failure.
Description of the drawings
Fig. 1 is the SDN multiple-domain network apparatus structure schematic diagrams based on both-end mouth switch that the present invention is provided；
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
Based on the SDN multiple-domain network devices of both-end mouth switch, described device includes：By link-attached SDN master controllers
With multiple network communication modules；As shown in figure 1, network communication module 1 and network communication module 2；Each network communication module
Including at least a master controller, SDN assistant controllers and some both-end mouth switchs；The SDN master controllers and SDN are auxiliary
Controller is connected with the SDN master controllers on upper strata respectively.
Each the both-end mouth switch included in each network communication module sets up main connection with the SDN master controllers respectively,
And with the network communication module in, at least one SDN assistant controllers set up auxiliary connection.
In each network communication module, the first port of all both-end mouth switchs is connected with SDN master controllers；All dual-ports
The second port of switch is connected with SDN assistant controllers.As shown in figure 1, the both-end mouth switch in network communication module 1
11st, the first port of both-end mouth switch 12 and both-end mouth switch 13 with network communication module 1 in SDN master controllers
Connection；Second end of both-end mouth switch 11, both-end mouth switch 12 and both-end mouth switch 13 in network communication module 1
Mouth is connected with the SDN assistant controllers in network communication module 1；Both-end mouth switch 21, both-end in network communication module 2
The first port of mouth switch 22 and both-end mouth switch 23 is connected with the SDN master controllers in network communication module 2；Net
The second port of both-end mouth switch 21, both-end mouth switch 22 and both-end mouth switch 23 in network communication module 2 is and net
SDN assistant controllers connection in network communication module 1；
The SDN master controllers, including control unit and monitoring means；
Described control unit, for controlling the connection between each both-end mouth switch；
The monitoring means, for monitoring the Link State between SDN master controllers and exchange interface.
The SDN assistant controllers, including recording unit and switch unit；
The recording unit, for the flow table information in SDN master controllers of backing up in realtime；
The switch unit, for when the link between the discovery of SDN master controllers and both-end mouth switch breaks down, switching
To SDN assistant controllers.
The SDN master controllers, for dividing network area, the communication between controlling network region；
The network communication module, for characterizing the network area divided by network communication module；
The SDN master controllers, for being connected with the control between each both-end mouth switch, and monitor SDN master controllers with
Link State between both-end mouth switch；
The SDN assistant controllers, for the flow table information in SDN master controllers of backing up in realtime；When SDN master controllers monitoring with
When any bar link that both-end mouth switch is connected breaks down, SDN assistant controllers are switched to；Using SDN assistant controllers and chain
Link between the both-end mouth switch of road failure realizes being sent to for control instruction.It is additionally operable to when network communication module breaks down,
Another region is connected automatically by the both-end mouth switch in the network area；To realize transregional field communication.
Based on the implementation method of the SDN multiple-domain network devices of both-end mouth switch, which includes：
(1) network communication module is built, divides network area；Multiple networks are splitted the network into by SDN master controllers to lead to
Letter module, each network communication module include at least master controller, SDN assistant controllers and some both-end mouth switchs.
(2) process the link failure between the SDN master controllers in the network communication module and both-end mouth switch；It is concrete to wrap
Include：When SDN master controllers detect certain link failure, link failure information is sent to SDN master controllers in real time；SDN
Master controller is received and sends control instruction to SDN assistant controllers after the link failure information of SDN master controllers, sets up SDN
Communication between the both-end mouth switch transmission of assistant controller and link failure；Simultaneously the flow table of the both-end mouth switch is passed through
The port of SDN master controllers is sent to SDN assistant controllers.
(3) when certain network communication module breaks down, by the both-end mouth switch in the network area, connection is another automatically
One region, to realize transregional field communication.Specifically include：Receive comprising the dual-port switch mac address
OpenFlow agreements, and according to the MAC Address, determine the company of each SDN controllers and the dual-port SDN switch
Type is connect, the connection type is the main connection or auxiliary connection；Message, each message are sent to the both-end mouth switch
IP address comprising the arbitrary SDN controllers in the network communication module and IP address URL.
Finally it should be noted that：Above example only to illustrate technical scheme rather than a limitation, although reference
Above-described embodiment has been described in detail to the present invention, and those of ordinary skill in the art should be understood：Still can be to this
The specific embodiment of invention is modified or equivalent, and any modification without departing from spirit and scope of the invention or waits
With replacing, which all should be covered in the middle of scope of the presently claimed invention.
Claims (11)
1. SDN multiple-domain network devices based on both-end mouth switch, it is characterised in that described device includes：By link
The SDN master controllers and multiple network communication modules of connection；Each network communication module including at least master controller,
SDN assistant controllers and some both-end mouth switchs；The SDN master controllers and SDN assistant controllers respectively with upper strata
SDN master controllers are connected.
2. device as claimed in claim 1, it is characterised in that each both-end included in each network communication module
Mouth switch sets up main connection respectively with the SDN master controllers, and with the network communication module in, at least one SDN is auxiliary
Controller sets up auxiliary connection.
3. device as claimed in claim 2, it is characterised in that all both-end oral sexes in described each network communication module
The first port changed planes is connected with SDN master controllers；The second port of all both-end mouth switchs with SDN auxiliary control systems
Device is connected.
4. device as claimed in claim 1, it is characterised in that
The SDN master controllers include control unit and monitoring means；
Described control unit is used to control the connection between each both-end mouth switch；
The monitoring means are used to monitor the Link State between SDN master controllers and exchange interface.
5. device as claimed in claim 1, it is characterised in that
The SDN assistant controllers include recording unit and switch unit；
The recording unit is used for the flow table information backed up in realtime in SDN master controllers；
The switch unit for when SDN master controllers find and both-end mouth switch between link break down when, switching
To SDN assistant controllers.
6. device as claimed in claim 1, it is characterised in that the SDN master controllers are used to divide network area,
Communication between controlling network region；
The network communication module is used to characterize the network area divided by network communication module；
The SDN master controllers for being connected with the control between each both-end mouth switch, and monitor SDN master controllers with
Link State between both-end mouth switch；
The SDN assistant controllers are used for the flow table information backed up in realtime in SDN master controllers；When SDN master controllers monitoring with
When any bar link that both-end mouth switch is connected breaks down, SDN assistant controllers are switched to；Using SDN assistant controllers
And the link between the both-end mouth switch of link failure realizes being sent to for control instruction.
7. device as claimed in claim 1, it is characterised in that the SDN assistant controllers, is additionally operable to work as network service
When module breaks down, another region is connected automatically by the both-end mouth switch in the network area；It is transregional to realize
Field communication.
8. based on both-end mouth switch SDN multiple-domain network devices implementation method, it is characterised in that methods described includes：
(1) network communication module is built, divides network area；
(2) process the link failure between the SDN master controllers in the network communication module and both-end mouth switch；
(3) when certain network communication module breaks down, connected by the both-end mouth switch in the network area automatically
Another region, to realize transregional field communication.
9. implementation method as claimed in claim 8, it is characterised in that the division bag of network area in the step (1)
Include；Multiple network communication modules are splitted the network into by SDN master controllers, each network communication module includes at least one
Individual master controller, SDN assistant controllers and some both-end mouth switchs.
10. implementation method as claimed in claim 8, it is characterised in that the step (2) specifically includes：Work as SDN
When master controller detects certain link failure, link failure information is sent to SDN master controllers in real time；SDN master controllers connect
Receive and control instruction is sent to SDN assistant controllers after the link failure information of SDN master controllers, set up SDN auxiliary control systems
Communication between the both-end mouth switch transmission of device and link failure；The flow table of the both-end mouth switch is passed through into SDN simultaneously
The port of master controller is sent to SDN assistant controllers.
11. implementation methods as claimed in claim 8, it is characterised in that the step (3) specifically includes：Receive bag
OpenFlow agreements containing the dual-port switch mac address, and according to the MAC Address, determine each SDN
The connection type of controller and the dual-port SDN switch, the connection type are the main connection or auxiliary connection；To
The both-end mouth switch sends message, IP of each message comprising the arbitrary SDN controllers in the network communication module
Address and IP address URL.
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| CN201511019019.1A CN106559254A (en) | 2015-12-29 | 2015-12-29 | SDN multiple-domain networks device and implementation method based on both-end mouth switch |
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| CN201511019019.1A CN106559254A (en) | 2015-12-29 | 2015-12-29 | SDN multiple-domain networks device and implementation method based on both-end mouth switch |
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Family
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| CN201511019019.1A Pending CN106559254A (en) | 2015-12-29 | 2015-12-29 | SDN multiple-domain networks device and implementation method based on both-end mouth switch |
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| CN107302498A (en) * | 2017-06-21 | 2017-10-27 | 安徽大学 | The multiple domain QoS path computational methods of secret protection are supported in a kind of SDN |
| CN107979546A (en) * | 2017-11-30 | 2018-05-01 | 新华三技术有限公司 | The processing method and processing device of more OpenFlow connections |
| CN108075825A (en) * | 2018-01-24 | 2018-05-25 | 大连大学 | A kind of space information network multi-controller fail-over methods based on SDN |
| CN108234354A (en) * | 2017-11-02 | 2018-06-29 | 北京紫光恒越网络科技有限公司 | SDN controllers and the connection control method of SDN switch and SDN controller systems |
| CN108540317A (en) * | 2018-03-29 | 2018-09-14 | 西安交通大学 | A kind of double-deck detection method of multiple domain SDN control node failures |
| CN108809765A (en) * | 2018-06-19 | 2018-11-13 | 刘昱 | Network quality test method and device |
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| CN107302498A (en) * | 2017-06-21 | 2017-10-27 | 安徽大学 | The multiple domain QoS path computational methods of secret protection are supported in a kind of SDN |
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| CN108234354A (en) * | 2017-11-02 | 2018-06-29 | 北京紫光恒越网络科技有限公司 | SDN controllers and the connection control method of SDN switch and SDN controller systems |
| CN108234354B (en) * | 2017-11-02 | 2021-03-30 | 紫光恒越技术有限公司 | SDN controller and SDN switch connection control method and SDN controller system |
| CN107979546A (en) * | 2017-11-30 | 2018-05-01 | 新华三技术有限公司 | The processing method and processing device of more OpenFlow connections |
| CN107979546B (en) * | 2017-11-30 | 2020-12-25 | 新华三技术有限公司 | Method and device for processing multiple OpenFlow connections |
| WO2019114459A1 (en) * | 2017-12-13 | 2019-06-20 | 华为技术有限公司 | Data transmission method and related device |
| CN108075825A (en) * | 2018-01-24 | 2018-05-25 | 大连大学 | A kind of space information network multi-controller fail-over methods based on SDN |
| CN108540317B (en) * | 2018-03-29 | 2020-03-31 | 西安交通大学 | Double-layer detection method for multi-domain SDN control node fault |
| CN108540317A (en) * | 2018-03-29 | 2018-09-14 | 西安交通大学 | A kind of double-deck detection method of multiple domain SDN control node failures |
| CN108809765A (en) * | 2018-06-19 | 2018-11-13 | 刘昱 | Network quality test method and device |
| CN108809765B (en) * | 2018-06-19 | 2022-06-03 | 刘昱 | Network quality testing method and device |
| CN109286583A (en) * | 2018-10-23 | 2019-01-29 | 郑州云海信息技术有限公司 | A kind of controller network port management method, device, equipment and storage medium |
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| CN110505086A (en) * | 2019-08-16 | 2019-11-26 | 苏州浪潮智能科技有限公司 | A kind of method and device that distributed director is fault-tolerant |
| WO2022083122A1 (en) * | 2020-10-21 | 2022-04-28 | 湖南大学 | Fault tolerance method and apparatus of network device system, computer device, and storage medium |
| CN112887412A (en) * | 2021-02-01 | 2021-06-01 | 国网安徽省电力有限公司淮南供电公司 | Distributed network control system and control method based on SDN and edge computing technology |
| CN112887412B (en) * | 2021-02-01 | 2023-01-17 | 国网安徽省电力有限公司淮南供电公司 | Distributed network control system and control method based on SDN and edge computing technology |
| CN115933565A (en) * | 2022-12-23 | 2023-04-07 | 广东职业技术学院 | AGV task exchange method, device, system and medium |
| CN115933565B (en) * | 2022-12-23 | 2023-10-20 | 广东职业技术学院 | AGV task exchange method, device, system and medium |
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