CN104079396A - Network redundant structure - Google Patents
Network redundant structure Download PDFInfo
- Publication number
- CN104079396A CN104079396A CN201410334031.0A CN201410334031A CN104079396A CN 104079396 A CN104079396 A CN 104079396A CN 201410334031 A CN201410334031 A CN 201410334031A CN 104079396 A CN104079396 A CN 104079396A
- Authority
- CN
- China
- Prior art keywords
- sub
- control station
- spine switches
- data
- network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention relates to a network redundant structure which comprises a master control center and N sub control stations. Each sub control station comprises a sub loop network formed by M data exchangers connected in sequence. The master control center comprises a first core exchanger and a second core exchanger. Each sub control station further comprises a first main exchanger and a second main exchanger, wherein the first main exchanger sends the data of the data exchangers of the corresponding sub control station to the first core exchanger, and the second main exchanger sends the data of the data exchangers of the corresponding sub control station to the second core exchanger. The first main exchangers of the sub control stations and the first core exchanger are connected in sequence to form a first loop network, and the second main exchangers of the sub control stations and the second core exchanger are connected in sequence to form a second loop network. The first loop nework is connected with the second loop network through the sub loop network in each sub control station. Compared with the prior art, data transmission is achieved between the main exchangers on the first loop network and the main exchangers on the second loop network through the sub loop networks in the sub control stations, and it is ensured that data transmission has higher reliability.
Description
Technical field
The present invention relates to a kind of computer network architecture, particularly a kind of network redundancy structure.
Background technology
At present, because the development of industrial automation control system network configuration is more and more decentralized, simultaneity factor becomes increasingly complex, and inside connects more and more high speed, close mode, when adopting Industrial Ethernet to replace fieldbus, also more and more higher to Industrial Ethernet reliability requirement.
Because Industrial Ethernet is a kind of ripe, procotol fast, message transmission rate is 10/100/1000Mb/s, can meet ever-increasing industrial information data communication needs, is the backbone network of industrial control field, has higher communication bandwidth.
And, because Industrial Ethernet is to be applied to field apparatus control network, realize the fusion of company information network and control network, promote the integrated of whole IT application in enterprises, realize the seamless link of scene equipment level and enterprise management level.Control system is the upper strata for industrial control system by Industrial Ethernet, to realize communication and the network interconnection of two-forty.
But in current Larger Engineering Projects, due to long transmission distance, high to reliability requirement, under adverse circumstances, the circuit of Ethernet is fragile, and how to ensure the real-time of data and reduce line fault and the impact of equipment fault on communication network as far as possible, be current problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of network redundancy structure, can make data in the process of long Distance Transmission, can ensure real-time and the reliability of transfer of data.
For solving the problems of the technologies described above, the invention provides a kind of network redundancy structure, comprise overall control center, a N sub-control station to described overall control center transmission data; Wherein, described N is natural number; And each sub-control station comprises respectively the M subring net that successively connected data switching exchane forms; Wherein, described M is natural number;
Described overall control center comprises the first core switch and the second core switch for receiving each sub-control station subring network data:
Each sub-control station also comprises respectively the data of the subring net at sub-control station is separately sent to the first spine switches of described the first core switch, the data of the subring net at sub-control station is separately sent to the second spine switches of described the second core switch;
First spine switches at each sub-control station is connected successively and forms the first looped network with the first core switch of described overall control center; Second spine switches at each sub-control station is connected successively and forms the second looped network with the second core switch of described overall control center;
The subring net that described first ring Netcom is crossed in sub-control station is separately connected with described the second looped network, and each the second spine switches on online each the first spine switches and described the second looped network of described first ring is carried out the mutual transmission of data by the subring net in each sub-control station.
Embodiments of the present invention in terms of existing technologies, owing to being respectively equipped with the first spine switches and the second spine switches in each sub-control station, and in overall control center respectively the first spine switches and the second spine switches in corresponding each sub-control station be respectively equipped with the first core switch and the second core switch, and the first spine switches in each sub-control station and the first core switch of overall control center connect and compose the first looped network successively, the second spine switches in each sub-control station and the second core switch of overall control center connect and compose the second looped network successively, and the first looped network and the second looped network can carry out the mutual transmission of data by the subring net in sub-control station separately.Thereby in the time breaking down if any circuit in the first looped network, can the data that be passed in this switch directly be sent to and corresponding the second spine switches of this router by subring net by corresponding the first spine switches in this fault point, carried out the transmission of data by the second looped network by the second spine switches, otherwise in the time breaking down if any circuit in the second looped network, also corresponding this fault point the second spine switches directly can be sent to by subring net the data that are passed in this switch and corresponding the first spine switches of this router, carried out the transmission of data by the first looped network by the first spine switches.Thereby ensure real-time and the reliability of data in the time of long Distance Transmission.
In addition, because each data switching exchane in sub-control station forms subring net successively, and this subring net is connected with the first spine switches and the second spine switches respectively, thereby make the first spine switches and the second spine switches can share data that in subring net, each data switching exchane is uploaded to ensure reliable data transmission or in time data to be transmitted, and while breaking down if any circuit in group looped network, can will originally send to the data centralization in the first spine switches or the second spine switches to send to a spine switches, thereby further ensure the reliability of transfer of data.
Further, in described sub-control station, be also provided with the work station and/or the server that are connected with described the first spine switches and described the second spine switches respectively.The data that can upload the subring net in each sub-control station by the work station in each sub-control station and/or server are stored, so that the data that the subring net in each sub-control station is sent back up, thereby further improve the safety and reliability of whole network redundancy structure.
In addition, described overall control center also comprises the first Communication ray terminal and the first router; Wherein, described the first Communication ray terminal connects the signal input part of described the first router, and the signal output part of described the first router is connected with described the first and second core switch respectively; Each sub-control station also comprises respectively: audio frequency apparatus, be connected the second communication optical transmitter and receiver for receiving the voice data that described audio frequency apparatus sends with described audio frequency apparatus; The second communication optical transmitter and receiver at each sub-control station is connected successively and forms the 3rd looped network with the first Communication ray terminal of described overall control center, second communication optical transmitter and receiver in each sub-control station sends to described the first Communication ray terminal by the voice data receiving by the 3rd looped network, sends to described the first and second core switch by described the first Communication ray terminal by described the second router.Due to the Communication ray terminal being also provided with in each sub-control station and overall control center for transmitting voice data, and the Communication ray terminal in Communication ray terminal and overall control center in each sub-control station connects and composes the 3rd looped network successively, can make network redundancy structure of the present invention to transmit for voice data specially by the 3rd looped network, to share the pressure of transfer of data.
Further, described network redundancy structure also comprises the second router being separately positioned in each sub-control station; Wherein, the second router in each sub-control station is connected with the first spine switches, the second spine switches and second communication optical transmitter and receiver in each sub-control station respectively.Owing to being also respectively equipped with the second router in each sub-control station, and the second router in each sub-control station respectively with each sub-control station in the first spine switches, the second spine switches is connected with second communication optical transmitter and receiver, thereby make in the time breaking down if any circuit in the 3rd looped network, can by this fault point corresponding second communication optical transmitter and receiver by be passed to data in this Communication ray terminal directly by the second router send to this second router the corresponding first or second spine switches in, carry out the transmission of data by the corresponding looped network of the first or second spine switches, thereby further ensure real-time and the reliability of data in the time of long Distance Transmission.
And in order to meet actual user demand, described audio frequency apparatus can comprise the device such as phone, Web broadcast communication apparatus.
Further, described overall control center also comprises the 3rd core switch; Each sub-control station also comprises respectively: picture pick-up device, for receiving the 3rd spine switches of the video data that described picture pick-up device sends.
Wherein, the second router in each sub-control station is connected with the 3rd spine switches at each sub-control station respectively; And the 3rd spine switches at each sub-control station and the 3rd core switch of described overall control center are connected successively and form Fourth Ring net, the 3rd spine switches in each sub-control station sends to described the 3rd core switch by the video data receiving by Fourth Ring net.And the second router in each sub-control station is connected with the 3rd spine switches at each sub-control station respectively, described Fourth Ring Netcom crosses the second router at each sub-control station and carries out the mutual transmission of data with described the first looped network and described the second looped network respectively.Owing to being also provided with picture pick-up device in each sub-control station and for transmitting the 3rd spine switches of video data, and the 3rd spine switches in each sub-control station connects and composes Fourth Ring net successively, can make network redundancy structure of the present invention transmit for video data specially by Fourth Ring net, the pressure when alleviating transfer of data.And the 3rd spine switches in each sub-control station is connected with the second router in each sub-control station respectively, thereby in the time breaking down if any circuit in the first looped network and/or the second looped network, can the data that be passed in this switch directly be sent to and corresponding the 3rd spine switches of this second router by the second router by this fault point the corresponding first and/or second spine switches, carry out the transmission of data by Fourth Ring net by the 3rd spine switches, thereby further ensured real-time and the reliability of data in the time of long Distance Transmission.
Further, in described sub-control station, be also provided with the video work station being connected with described the 3rd spine switches.To facilitate, the captured content of picture pick-up device is carried out to back-up storage.
And in order to meet actual user demand, described picture pick-up device can comprise the equipment such as IP Camera and Network Personal Video Recorder.
Brief description of the drawings
Fig. 1 is the system module block diagram of the network redundancy structure of first embodiment of the invention;
Fig. 2 is the system module block diagram of the network redundancy structure of second embodiment of the invention;
Fig. 3 is the system module block diagram of the network redundancy structure of third embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in the each execution mode of the present invention, in order to make reader understand the application better, many ins and outs are proposed.But, even without these ins and outs and the many variations based on following execution mode and amendment, also can realize the each claim of the application technical scheme required for protection.
The first execution mode of the present invention relates to a kind of network redundancy structure, as shown in Figure 1, comprises overall control center, three and sends the sub-control stations of data to overall control center, and in each sub-control station, comprise respectively the subring net that multiple connected data switching exchanes successively form.The kind of the data switching exchane in each subring net can comprise gate control industrial switch, trash control industrial switch, electric monitoring station industrial switch, water quality monitoring station industrial switch, water pump control industrial switch, common equipment control industrial switch, power monitoring station industrial switch, Automatic Dosing control industrial switch, project security monitoring industrial switch etc. specifically, makes the network redundancy structure of present embodiment can directly apply to the communication network of industrial automation.
In addition, overall control center comprises the first core switch and the second core switch for receiving each sub-control station exchanges data machine data.
It is worth mentioning that, in the present embodiment, each sub-control station also comprise respectively by the data in the subring net at sub-control station be separately sent to the first spine switches of the first core switch, by the data in the subring net at sub-control station be separately sent to the second spine switches of the second core switch, for first spine switches at each sub-control station and the second spine switches are carried out to interconnective the first router.
Wherein, first spine switches at each sub-control station is connected successively and forms the first looped network with the first core switch of overall control center, and second spine switches at each sub-control station is connected successively and forms the second looped network with the second core switch of overall control center.And first ring Netcom crosses subring net in sub-control station separately and is connected with the second looped network,
In the time of real work, each the second spine switches on each the first spine switches and the second looped network that first ring is online is carried out the mutual transmission of data by the subring net in each sub-control station.
Specifically, data are in normal transmitting procedure time, jointly to share by the first looped network and the second looped network the data that in each sub-control station, data switching exchane sends, final the first core switch by overall control center and the second core switch respectively by data upload to database scheduling, communication service, water quality/servers such as collection, so that whole transfer of data is more efficient.
And in the time breaking down in the circuit of the first looped network, can the data that be sent in this first spine switches be sent to the second corresponding with it spine switches by the subring net connecting with this first spine switches by corresponding the first spine switches in this fault point, by the second looped network, its data be sent to the second core switch by the second spine switches.
Otherwise, in the time breaking down in the circuit of the second looped network, can the data that be sent to this second spine switches be sent to the first corresponding with it spine switches by the subring net connecting with this second spine switches by corresponding the second spine switches in this fault point, by the first looped network, its data be sent to the first core switch by the first spine switches.Thereby ensure real-time and the reliability of data in the time of long Distance Transmission, prevented under adverse circumstances due to certain section of circuit damage, the phenomenon that causes data to transmit.
In addition, be not difficult to find, because whole network redundancy structure is to carry out transfer of data by dual-ring network.Thereby in the time that the circuit in the first looped network and the second looped network only occurs a fault point respectively, also can the data that be sent to this first spine switches and the second spine switches oppositely be sent to the first core switch and the second core switch by the first looped network and the second looped network respectively by corresponding the first spine switches in this fault point and the second spine switches.
In addition, owing to the data switching exchane in each sub-control station being interconnected to constitute successively respectively to the subring net being connected with the first spine switches in sub-control station separately and the second spine switches.Make thus the first spine switches in each sub-control station and the second spine switches can share data that in subring net, each data switching exchane is uploaded to ensure reliable data transmission or in time data to be transmitted.
And while breaking down if any circuit in group looped network, can originally send to the data centralization in the first spine switches or the second spine switches to send to another spine switches, thereby further ensure the reliability of transfer of data.
As shown in the above, in the network redundancy structure of present embodiment, the dual-ring network structure being made up of the first looped network and the second looped network can reach at most 5 fault points, the 2 route roads that are respectively first or second spine switches at each sub-control station, are connected with each sub-control station the first spine switches, the 2 route roads that are connected with each sub-control station the second spine switches.And in the circuit that dual-ring network is connected with subring net, can reach at most 3 fault points, be respectively any one section of circuit in circuit, the subring net that the subring net in first or second spine switches at each sub-control station, each sub-control station is connected with the first or second spine switches.Thereby make in the time that above-mentioned fault point appears in the network redundancy structure of present embodiment, can not impact the normal operation of whole system.
And, in the present embodiment, in each sub-control station, be also provided with work station and/or the server for storing data, and work station and/or server in each sub-control station is connected with the first spine switches and the second spine switches in each sub-control station respectively.Hence one can see that, the data that can upload the subring net in each sub-control station by the work station in each sub-control station and/or server are stored, so that the data that the subring net in each sub-control station is sent back up, thereby further improve the safety and reliability of whole network redundancy structure.
In addition, it is worth mentioning that, in the present embodiment, can and in overall control center, printer be set in each sub-control station.Wherein, the printer in each sub-control station can be connected with the first spine switches or the second spine switches, and the printer of overall control center can be connected with the first core switch or the second core switch.The relevant documentation that can upload the subring net in each sub-control station by printer prints, thereby has widened the range of application of whole network redundancy framework.
And, be not difficult to find according to above-mentioned execution mode, the first looped network being formed by the first core switch of the first spine switches in each sub-control station and overall control center, and the second looped network being formed by the second core switch of the second spine switches in each sub-control station and overall control center, its network environment can select 100,000,000 or gigabit networking according to actual work requirements.
It should be noted that, in the present embodiment, sub-control station only describes taking three as example, in actual applications, also can comprise more sub-control station.
The second execution mode of the present invention relates to a kind of network redundancy structure, the second execution mode is on the basis of the first execution mode, to have done further improvement, it mainly improves and is: as shown in Figure 2, in the present embodiment, overall control center also comprises the first Communication ray terminal and the first router.Wherein, the first Communication ray terminal connects the signal input part of the first router, and the signal output part of the first router is connected with the first and second core switch respectively.
And each sub-control station also comprises respectively: the first audio frequency apparatus, be connected the second communication optical transmitter and receiver of voice data sending for receiving the first audio frequency apparatus with the first audio frequency apparatus.Wherein, the second communication optical transmitter and receiver in each sub-control station is connected successively and forms the 3rd looped network with the first Communication ray terminal in overall control center.
Data are in actual transmitting procedure, second communication optical transmitter and receiver in each sub-control station sends to the first Communication ray terminal by the voice data receiving by the 3rd looped network, be uploaded to the first and second core switch by the first Communication ray terminal by the first router, be uploaded to scheduling, communication service, water quality/servers such as collection by the first and second core switch again, by scheduling, communication service, water quality/servers such as collection, relevant voice data stored.
Known by foregoing, due to the Communication ray terminal being also provided with in each sub-control station and overall control center for transmitting voice data, and the Communication ray terminal in Communication ray terminal and overall control center in each sub-control station connects and composes the 3rd looped network successively, can make the network redundancy structure of present embodiment to transmit for voice data specially by the 3rd looped network, to share the pressure of transfer of data.
In addition, it is worth mentioning that, the network redundancy structure of present embodiment also comprises the second router being separately positioned in each sub-control station.Wherein, the second router in each sub-control station is connected with the first spine switches, the second spine switches and second communication optical transmitter and receiver in each sub-control station respectively, thereby makes the 3rd looped network to carry out unidirectional data transmission with the first looped network and the second looped network respectively by the second router at each sub-control station.
Specifically, because the second communication optical transmitter and receiver in each sub-control station is connected with the second router at each sub-control station respectively, thereby make in the time having circuit to break down in the 3rd looped network, can the data that be passed in this Communication ray terminal directly be sent to and this second router the corresponding first or second spine switches by the second router by the corresponding second communication optical transmitter and receiver in this fault point, carry out the transmission of data by the corresponding looped network of the first or second spine switches, thereby further ensure real-time and the reliability of data in the time of long Distance Transmission.
In addition, in the present embodiment, in overall control center, be also provided with the second audio frequency apparatus being connected with the first Communication ray terminal.Specifically, the second audio frequency apparatus also can comprise the device such as phone, Web broadcast communication apparatus, thereby makes overall control center also can carry out separately the function of voice communication.
And, be not difficult to find according to above-mentioned execution mode, the 3rd looped network being formed by the first Communication ray terminal of the second communication optical transmitter and receiver in each sub-control station and overall control center, its network environment can select 100,000,000 or gigabit networking according to actual work requirements.
The 3rd execution mode of the present invention relates to a kind of network redundancy structure, the 3rd execution mode is on the basis of the second execution mode, to have done further improvement, it mainly improves and is: as shown in Figure 3, in the present embodiment, in overall control center, be also provided with the 3rd core switch, and the 3rd spine switches of video data that is also provided with picture pick-up device in each sub-control station, sends for receiving picture pick-up device.
Wherein, the 3rd spine switches in each sub-control station is connected successively and forms Fourth Ring net with the 3rd core switch of overall control center.Data are in the process of transmission, and the 3rd spine switches in each sub-control station sends to the 3rd core switch by the video data receiving by Fourth Ring net.
As shown in the above, can make the network redundancy structure of present embodiment transmit for video data specially by Fourth Ring net, the pressure when alleviating transfer of data.Wherein, picture pick-up device can be IP Camera.And, in each sub-control station, also can be provided with the video work station being connected with the 3rd spine switches in sub-control station separately, to facilitate, the captured content of IP Camera is carried out to back-up storage.
In addition, it is worth mentioning that, in the present embodiment, the second router in each sub-control station is connected with the 3rd spine switches at each sub-control station respectively.In the time of real work, Fourth Ring net can carry out respectively by the second router at each sub-control station the mutual transmission of data with the first looped network and the second looped network.
Hence one can see that, in the time breaking down if any circuit in the first looped network and/or the second looped network, can the data that be passed in this switch directly be sent to and corresponding the 3rd spine switches of this router by the second router by this fault point the corresponding first and/or second spine switches, carry out the transmission of data by Fourth Ring net by the 3rd spine switches, thereby further ensured real-time and the reliability of data in the time of long Distance Transmission.
Otherwise, in the time breaking down if any circuit in Fourth Ring net, also can the data that be passed in this switch directly be sent to and this second router the corresponding first or second spine switches by the second router by corresponding the 3rd spine switches in this fault point, carry out the transmission of data by this first or second spine switches by the first or second looped network, thereby further ensured real-time and the reliability of data in the time of long Distance Transmission.
In addition, in the present embodiment, the large storage facilities such as video work station and video server being connected with the 3rd core switch also can be set in overall control center equally.Thereby the video data of being uploaded to overall control center by each sub-control station is backed up.And, this video server also can be connected with the first core switch, thereby realize the transfer of data between video server in overall control center and database scheduling, communication service, water quality/servers such as collection, and can carry out data backup storage to the database scheduling in overall control center, communication service, water quality/servers such as collection by video server.
And, be not difficult to find according to above-mentioned execution mode, the Fourth Ring net being formed by the 3rd core switch of the 3rd spine switches in each sub-control station and overall control center, its network environment can select 100,000,000 or gigabit networking according to actual work requirements.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (9)
1. a network redundancy structure, comprises overall control center, a N sub-control station to described overall control center transmission data; Wherein, described N is natural number, it is characterized in that: each sub-control station comprises respectively the M subring net that successively connected data switching exchane forms; Wherein, described M is natural number;
Described overall control center comprises the first core switch and the second core switch for receiving each sub-control station subring network data;
Each sub-control station also comprises respectively the data of the subring net at sub-control station is separately sent to the first spine switches of described the first core switch, the data of the subring net at sub-control station is separately sent to the second spine switches of described the second core switch;
First spine switches at each sub-control station is connected successively and forms the first looped network with the first core switch of described overall control center; Second spine switches at each sub-control station is connected successively and forms the second looped network with the second core switch of described overall control center;
The subring net that described first ring Netcom is crossed in sub-control station is separately connected with described the second looped network, and each the second spine switches on online each the first spine switches and described the second looped network of described first ring is carried out the mutual transmission of data by the subring net in each sub-control station.
2. network redundancy structure according to claim 1, is characterized in that: in described sub-control station, be also provided with the work station and/or the server that are connected with described the first spine switches and described the second spine switches respectively.
3. network redundancy structure according to claim 1, is characterized in that: described overall control center also comprises the first Communication ray terminal and the first router;
Wherein, described the first Communication ray terminal connects the signal input part of described the first router, and the signal output part of described the first router is connected with described the first and second core switch respectively;
Each sub-control station also comprises respectively: audio frequency apparatus, be connected the second communication optical transmitter and receiver for receiving the voice data that described audio frequency apparatus sends with described audio frequency apparatus;
The second communication optical transmitter and receiver at each sub-control station is connected successively and forms the 3rd looped network with the first Communication ray terminal of described overall control center, second communication optical transmitter and receiver in each sub-control station sends to described the first Communication ray terminal by the voice data receiving by the 3rd looped network, sends to described the first and second core switch by described the first Communication ray terminal by described the second router.
4. network redundancy structure according to claim 3, is characterized in that: described network redundancy structure also comprises the second router being separately positioned in each sub-control station;
Wherein, the second router in each sub-control station is connected with the first spine switches, the second spine switches and second communication optical transmitter and receiver in each sub-control station respectively.
5. network redundancy structure according to claim 3, is characterized in that: described audio frequency apparatus comprises phone and Web broadcast communication apparatus.
6. network redundancy structure according to claim 4, is characterized in that: described overall control center also comprises the 3rd core switch;
Each sub-control station also comprises respectively: network shooting equipment, for receiving the 3rd spine switches of the video data that described network shooting equipment sends;
The 3rd spine switches at each sub-control station is connected successively and forms Fourth Ring net with the 3rd core switch of described overall control center, and the 3rd spine switches in each sub-control station sends to described the 3rd core switch by the video data receiving by Fourth Ring net.
7. network redundancy structure according to claim 6, is characterized in that: the second router in each sub-control station is connected with the 3rd spine switches at each sub-control station respectively;
Described Fourth Ring Netcom crosses the second router at each sub-control station and carries out the mutual transmission of data with described the first looped network and described the second looped network respectively.
8. network redundancy structure according to claim 6, is characterized in that: in each sub-control station, be also provided with the video work station being connected with described the 3rd spine switches.
9. network redundancy structure according to claim 6, is characterized in that: described network shooting equipment comprises web camera and video server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334031.0A CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410334031.0A CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104079396A true CN104079396A (en) | 2014-10-01 |
| CN104079396B CN104079396B (en) | 2018-01-30 |
Family
ID=51600455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410334031.0A Active CN104079396B (en) | 2014-07-14 | 2014-07-14 | network redundancy structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104079396B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254200A (en) * | 2016-09-21 | 2016-12-21 | 国网天津市电力公司 | A kind of intelligent substation station level network topology structure |
| CN110838962A (en) * | 2019-11-18 | 2020-02-25 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Marine network system and marine system |
| CN111694270A (en) * | 2020-06-29 | 2020-09-22 | 江苏核电有限公司 | Single-ring network structure for handling communication double breakpoints of control system of nuclear power plant |
| CN112445186A (en) * | 2019-09-04 | 2021-03-05 | 西门子电站自动化有限公司 | Factory bus transformation method, factory bus and distributed control system |
| CN113946141A (en) * | 2020-07-16 | 2022-01-18 | 青岛海尔工业智能研究院有限公司 | Network system for production demonstration line and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070047472A1 (en) * | 2005-08-30 | 2007-03-01 | Lionel Florit | System and method for implementing multiple ring networks using a common link |
| CN200965635Y (en) * | 2006-09-29 | 2007-10-24 | 上海海得控制系统股份有限公司 | Nuclear power station computer monitor system double loop network |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| CN103324133A (en) * | 2013-06-24 | 2013-09-25 | 宝鸡石油机械有限责任公司 | Drilling machine integrated loop network communication control system based on PLC |
-
2014
- 2014-07-14 CN CN201410334031.0A patent/CN104079396B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070047472A1 (en) * | 2005-08-30 | 2007-03-01 | Lionel Florit | System and method for implementing multiple ring networks using a common link |
| CN200965635Y (en) * | 2006-09-29 | 2007-10-24 | 上海海得控制系统股份有限公司 | Nuclear power station computer monitor system double loop network |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| CN103324133A (en) * | 2013-06-24 | 2013-09-25 | 宝鸡石油机械有限责任公司 | Drilling machine integrated loop network communication control system based on PLC |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254200A (en) * | 2016-09-21 | 2016-12-21 | 国网天津市电力公司 | A kind of intelligent substation station level network topology structure |
| CN112445186A (en) * | 2019-09-04 | 2021-03-05 | 西门子电站自动化有限公司 | Factory bus transformation method, factory bus and distributed control system |
| CN112445186B (en) * | 2019-09-04 | 2022-10-25 | 西门子电站自动化有限公司 | Factory bus transformation method, factory bus and distributed control system |
| CN110838962A (en) * | 2019-11-18 | 2020-02-25 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Marine network system and marine system |
| CN110838962B (en) * | 2019-11-18 | 2021-11-12 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Marine network system and marine system |
| CN111694270A (en) * | 2020-06-29 | 2020-09-22 | 江苏核电有限公司 | Single-ring network structure for handling communication double breakpoints of control system of nuclear power plant |
| CN113946141A (en) * | 2020-07-16 | 2022-01-18 | 青岛海尔工业智能研究院有限公司 | Network system for production demonstration line and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104079396B (en) | 2018-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104079396A (en) | Network redundant structure | |
| CN102984057B (en) | A kind of Multi-service integration dual-redundancy network system | |
| CN103595626A (en) | Method for achieving dynamic path planning in ring network | |
| US8411701B2 (en) | Inter-working of EFM-OAM and CFM-OAM for mobile backhaul networks | |
| CN103684954A (en) | Redundantly operable industrial communication system and method for operation thereof | |
| CN103944828A (en) | Method and equipment for transmitting protocol messages | |
| CN101127755B (en) | Real time video image transmission method and system | |
| CN102984507A (en) | Network assisting management device and concurrent management device in video monitoring system | |
| CN103763465A (en) | Network camera and network video monitoring system | |
| CN101834665A (en) | Packet loss detection system and method of Ethernet service in DTMB (Digital Television Terrestrial Multimedia Broadcasting) system | |
| CN103036724B (en) | State information transmission method, the network equipment and unit equipment | |
| CN102404143B (en) | Method for processing port failures based on LACP and LACP terminal | |
| JP6383232B2 (en) | Relay system and switch device | |
| CN104009956A (en) | Communication method based on embedded multi-core co-processing gatekeeper system | |
| CN104519022A (en) | Method and device for establishing connecting channel | |
| CN105610555A (en) | Practical system-level redundant communication network architecture | |
| CN102118266A (en) | Industrial Ethernet dual-link redundancy technology | |
| CN103107930B (en) | A kind of based on main website equipment with from the fieldbus implementation method of station equipment | |
| CN106791705A (en) | A kind of simple and direct tunnel HD video of low cost changes system | |
| CN106533771A (en) | Network device and control information transmission method | |
| CN108337162B (en) | System and method for supporting dual-homing protection | |
| CN106209552A (en) | Plug and play network-building method, Apparatus and system | |
| CN102546345A (en) | Method for realizing cross-ring protection of resilient packet ring by use of spanning tree protocol | |
| CN110690989A (en) | Service data transmission method, device and computer readable storage medium | |
| CN102984490A (en) | Network video recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |