CN102801542A - Communication-gateway-based communication redundancy fault-tolerant system - Google Patents
Communication-gateway-based communication redundancy fault-tolerant system Download PDFInfo
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- CN102801542A CN102801542A CN2011101322121A CN201110132212A CN102801542A CN 102801542 A CN102801542 A CN 102801542A CN 2011101322121 A CN2011101322121 A CN 2011101322121A CN 201110132212 A CN201110132212 A CN 201110132212A CN 102801542 A CN102801542 A CN 102801542A
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Abstract
The invention discloses a communication-gateway-based communication redundancy fault-tolerant system, and belongs to the field of computer communication. The system comprises an uplink aggregation network, at least two upper computers, at least two communication gateways and equipment, wherein the upper computers are connected with the uplink aggregation network; the communication gateways are connected with the uplink aggregation network; and the equipment is connected with the communication gateways. When any gateway, port or line fails, a backup gateway, port or line can be automatically put into use without any configuration or change on the application software of personal computers (PC). A method has the advantages that the overall reliability of the system is improved by communication redundancy, and the system is transparent for the application software and the equipment, and is not required to be changed.
Description
Technical field
The invention belongs to the computer communication field, relate in particular to a kind of communication redundancy fault-tolerant system based on Communication Gateway.
Background technology
Tradition directly is connected with controlled plant (transducer, transmitter, PLC and other smart machines) based on the control system of PC physical interface intrinsic through PC or expansion; It is as shown in Figure 1 that it connects sketch map; And equipment is monitored through the special-purpose software that SCADA or manufacturer provide; Its significant disadvantage is the port number supported of pc and type is limited, install and dispose difficulty, and cost is high, and is maintainable poor.The normal Communication Gateway that uses carries out the medium/protocol conversion of Ethernet to equipment (bus) network in using at present; The equipment of different physical interfaces directly is linked in the Internet or the proprietary network; It is as shown in Figure 2 that it connects sketch map; But the use of Communication Gateway has also caused new problem: need make amendment to original application software, Communication Gateway becomes the new fault point of system.
Summary of the invention
For overcoming when utilizing Communication Gateway to carry out equipment networking the shortcoming that need remodify original application software, the invention provides a kind of communication redundancy fault-tolerant system based on Communication Gateway.
A kind of communication redundancy fault-tolerant system based on Communication Gateway comprises: up aggregation networks, at least two host computers that link to each other with up aggregation networks, at least two Communication Gateways that link to each other with up aggregation networks and the equipment that links to each other with Communication Gateway.
The host computer that described and up aggregation networks links to each other has two; The active and standby each other machine of these two host computers; Both link to each other with up aggregation networks through at least a network interface; On these two host computers gateway driving/hypervisor is arranged, the communication interface that said gateway driver is used for that its corresponding Communication Gateway is possessed is mapped to the virtual PORT COM of local PC with the mode of device drives; Said gateway manager provides a kind of management tool of graphical interfaces, is used for Communication Gateway and port thereof are configured and manage.
The Communication Gateway that described and up aggregation networks links to each other has two, and Communication Gateway links to each other with up aggregation networks through its upstream Interface separately, and is continuous through interface separately between two Communication Gateways.
Connected mode between said Communication Gateway and the equipment is: if the interface of Communication Gateway is the bus-type communication interface, then directly be connected with equipment through the downstream interface of bus with Communication Gateway; If the interface of Communication Gateway is the interface that point-to-point connects, then link to each other with equipment through the downstream interface of port assignment device with Communication Gateway; If two same type communication interfaces are arranged on Communication Gateway, use the dual-port ring bus with link to each other with equipment formation l network of these two network interfaces of the same type.
When Communication Gateway links to each other with the port assignment device, a kind of SEL (selection) signal that is used for port assignment is provided, and supplies power to the port assignment device by Communication Gateway by Communication Gateway.
After this system's energising, two Communication Gateways are confirmed active and standby status according to strategy, and subsequent use Communication Gateway is closed its whole downstream interfaces automatically, and regularly detect main availability with Communication Gateway through itself and main interface with Communication Gateway.
If subsequent use Communication Gateway detects main unavailable with Communication Gateway, then start active and standby status switch step immediately: at first, this subsequent use Communication Gateway is made as the main Communication Gateway of using; Secondly, notice host computer master breaks down with Communication Gateway; Then, according to original main with the configuration of Communication Gateway relevant parameter and open downstream interface,, and send selected signal to the port assignment device if having a few point interface in the downstream interface; Require host computer PC to port redirection at last.
If the master is damaged with the Communication Gateway downstream interface or circuit interrupts, then this master carries out fault flag with Communication Gateway to its corresponding interface, if this moment, subsequent use Communication Gateway the corresponding interface also was labeled as non-working port, does not then deal with; Otherwise the interface through itself and subsequent use Communication Gateway notifies subsequent use Communication Gateway to carry out data sync, requires host computer that non-working port is redirected and subsequent use Communication Gateway is made as the main Communication Gateway of using.
The invention provides a kind of communication redundancy fault-tolerant system based on Communication Gateway, this system need not make amendment to original application software when utilizing Communication Gateway to carry out equipment networking, has also guaranteed higher reliability simultaneously.
Description of drawings
Combine accompanying drawing and embodiment that invention is further specified at present.
Fig. 1 is that traditional control system based on PC connects sketch map.
Fig. 2 connects sketch map for the normal control system of using of utilizing Communication Gateway to carry out in using at present.
Fig. 3 is that a kind of communication redundancy fault-tolerant system based on Communication Gateway provided by the present invention connects sketch map.
Fig. 4 is the line sketch map between Communication Gateway and the port assignment device.
Embodiment
A kind of its connection sketch map of communication redundancy fault-tolerant system based on Communication Gateway provided by the present invention is as shown in Figure 3, and this system comprises up aggregation networks, at least two host computers that link to each other with up aggregation networks, at least two Communication Gateways that link to each other with up aggregation networks and the equipment that links to each other with Communication Gateway.
The host computer that described and up aggregation networks links to each other has two; The active and standby each other machine of said two host computers; When wherein one when breaking down; Another comes into operation according to fault-tolerant prediction scheme automatically, and both link to each other with up aggregation networks through at least a network interface, thereby improves the communication reliability; On two host computers gateway driving/hypervisor is arranged, the communication interface that said gateway driver is used for that its corresponding Communication Gateway is possessed is mapped to the virtual PORT COM of local PC with the mode of device drives; Said gateway manager provides a kind of management tool of graphical interfaces, is used for Communication Gateway and port thereof are configured and manage.
The Communication Gateway that described and up aggregation networks links to each other has two; Described two Communication Gateways link to each other with up aggregation networks through upstream Interface 4; Its ways of connecting comprises ether, wifi, 3G and 2G; Interface 3 through separately between two Communication Gateways links to each other, and it is synchronous to be convenient to its availability of detecting both sides each other line data of going forward side by side.
Described two Communication Gateways are set the IP address or the host domain name of two host computers before use in advance, and respectively the other side are made as the backup gateway of controlling oneself.
If the interface of Communication Gateway is the bus-type communication interface,, then directly be connected with equipment through the downstream interface of bus with Communication Gateway like the interface among Fig. 32; If the interface of Communication Gateway is the interface that point-to-point connects,, then link to each other with equipment through the downstream interface of port assignment device with Communication Gateway like the interface among Fig. 31.
When Communication Gateway links to each other with the port assignment device, a kind of SEL (selection) signal that is used for port assignment is provided, and supplies power to the port assignment device by Communication Gateway by Communication Gateway.
After this system's energising; Two Communication Gateways are confirmed active and standby status according to strategy; Suppose that current definite gateway 1 is main use Communication Gateway, so subsequent use Communication Gateway 2 is closed its whole downstream interfaces automatically, and the availability of the interface 3 detection gateways 1 through itself and gateway 1 regularly.
If it is unavailable that gateway 2 detects gateway 1, then start active and standby status switch step immediately: at first, gateway 2 is made as the main Communication Gateway of using; Secondly, notice host computer gateway 1 breaks down; Then, according to the configuration of former gateway 1 relevant parameter and open downstream interface, if in the downstream interface a bit to point interface, then send selected signal to the port assignment device; Require host computer to port redirection at last.
If gateway 1 downstream interface is damaged or circuit interrupts, then this gateway 1 carries out fault flag to its corresponding interface, if this moment, gateway 2 the corresponding interface also were labeled as non-working port, does not then deal with; Otherwise interface 3 notification gateway 2 through itself and gateway 2 are carried out data sync, require host computer that non-working port is redirected and gateway 2 is made as the main Communication Gateway of using.
Claims (10)
1. communication redundancy fault-tolerant system based on Communication Gateway; It is characterized in that, comprising: up aggregation networks, at least two host computers that link to each other with up aggregation networks, at least two Communication Gateways that link to each other with up aggregation networks and the equipment that links to each other with Communication Gateway.
2. a kind of communication redundancy fault-tolerant system as claimed in claim 1 based on Communication Gateway; It is characterized in that; The host computer that links to each other with up aggregation networks has two, the active and standby each other machine of said two host computers, and both link to each other with up aggregation networks through at least a network interface.
3. a kind of communication redundancy fault-tolerant system as claimed in claim 2 based on Communication Gateway; It is characterized in that; On said two host computers gateway driving/hypervisor is arranged, the communication interface that said gateway driver is used for that its corresponding Communication Gateway is possessed is mapped to the virtual PORT COM of local PC with the mode of device drives; Said gateway manager provides a kind of management tool of graphical interfaces, is used for Communication Gateway and port thereof are configured and manage.
4. a kind of communication redundancy fault-tolerant system based on Communication Gateway as claimed in claim 1 is characterized in that, described Communication Gateway links to each other with up aggregation networks through its upstream Interface.
5. a kind of communication redundancy fault-tolerant system as claimed in claim 1 based on Communication Gateway; It is characterized in that; The Communication Gateway that links to each other with up aggregation networks has two, two active and standby each other Communication Gateways of using of Communication Gateway, and link to each other through a certain interface between these two Communication Gateways.
6. a kind of communication redundancy fault-tolerant system based on Communication Gateway as claimed in claim 5 is characterized in that, if the downstream interface of Communication Gateway is the bus-type communication interface, then directly is connected with equipment through the downstream interface of bus with this Communication Gateway; If the downstream interface of Communication Gateway is the interface that point-to-point connects, then link to each other with equipment through the downstream interface of port assignment device with this Communication Gateway.
7. a kind of communication redundancy fault-tolerant system as claimed in claim 6 based on Communication Gateway; It is characterized in that; When Communication Gateway is connected with the port assignment device, a kind of SEL (selection) signal that is used for port assignment is provided, and supplies power to the port assignment device by Communication Gateway by Communication Gateway.
8. a kind of communication redundancy fault-tolerant system as claimed in claim 5 based on Communication Gateway; It is characterized in that; After this system's energising; Two Communication Gateways are confirmed active and standby status according to strategy, and subsequent use Communication Gateway is closed its whole downstream interfaces automatically, and regularly detect main availability with Communication Gateway through itself and main interface with Communication Gateway.
9. a kind of communication redundancy fault-tolerant system as claimed in claim 8 based on Communication Gateway; It is characterized in that; If subsequent use Communication Gateway detects main unavailable with Communication Gateway, then start active and standby status switch step immediately: at first, this subsequent use Communication Gateway is made as the main Communication Gateway of using; Secondly, notice host computer master breaks down with Communication Gateway; Then, according to original main with the configuration of Communication Gateway relevant parameter and open downstream interface,, and send selected signal to the port assignment device if having a few point interface in the downstream interface; Require host computer to port redirection at last.
10. a kind of communication redundancy fault-tolerant system as claimed in claim 8 based on Communication Gateway; It is characterized in that; If main downstream interface with Communication Gateway is damaged or circuit interrupts; Then this master carries out fault flag with Communication Gateway to its corresponding interface, if the corresponding interface of subsequent use Communication Gateway also has been labeled as non-working port at this moment, does not then deal with; Otherwise the interface through itself and subsequent use Communication Gateway notifies subsequent use Communication Gateway to carry out data sync, requires host computer that non-working port is redirected and subsequent use Communication Gateway is made as the main Communication Gateway of using.
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| CN2011101322121A CN102801542A (en) | 2011-05-23 | 2011-05-23 | Communication-gateway-based communication redundancy fault-tolerant system |
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| CN2011101322121A CN102801542A (en) | 2011-05-23 | 2011-05-23 | Communication-gateway-based communication redundancy fault-tolerant system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017088681A1 (en) * | 2015-11-24 | 2017-06-01 | 阿里巴巴集团控股有限公司 | Fault handling method and apparatus for gateway device |
| CN108289050A (en) * | 2018-01-25 | 2018-07-17 | 北京海智元科技有限公司 | A kind of transmitter loop network control system and control method |
| CN110178345A (en) * | 2016-05-31 | 2019-08-27 | 交互数字Ce专利控股公司 | For providing the method and apparatus of reserve link |
| CN114172824A (en) * | 2021-12-15 | 2022-03-11 | 国家石油天然气管网集团有限公司 | Redundancy switching method and device for oil-gas pipeline high-speed bus and controller |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017088681A1 (en) * | 2015-11-24 | 2017-06-01 | 阿里巴巴集团控股有限公司 | Fault handling method and apparatus for gateway device |
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| CN110178345A (en) * | 2016-05-31 | 2019-08-27 | 交互数字Ce专利控股公司 | For providing the method and apparatus of reserve link |
| CN110178345B (en) * | 2016-05-31 | 2021-06-29 | 交互数字Ce专利控股公司 | Method and apparatus for providing a backup link |
| CN108289050A (en) * | 2018-01-25 | 2018-07-17 | 北京海智元科技有限公司 | A kind of transmitter loop network control system and control method |
| CN108289050B (en) * | 2018-01-25 | 2023-07-04 | 北京海智元科技有限公司 | Ring network control system and control method for transmitter |
| CN114172824A (en) * | 2021-12-15 | 2022-03-11 | 国家石油天然气管网集团有限公司 | Redundancy switching method and device for oil-gas pipeline high-speed bus and controller |
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Application publication date: 20121128 |