CN109600253A - The double network interface redundancy backup methods of double hosts - Google Patents
The double network interface redundancy backup methods of double hosts Download PDFInfo
- Publication number
- CN109600253A CN109600253A CN201811433823.8A CN201811433823A CN109600253A CN 109600253 A CN109600253 A CN 109600253A CN 201811433823 A CN201811433823 A CN 201811433823A CN 109600253 A CN109600253 A CN 109600253A
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- Prior art keywords
- network interface
- host
- double
- hosts
- internal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- 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
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of redundancy backup methods of the double network interfaces of double hosts, pass through the switching between two hosts of setting totally eight network interfaces, one network channel can not carry out backup communication with two-shipper simultaneously when for solving the problems, such as transforming plant DC Power Supply Monitoring host dual-host backup to background communication, realize the dual-host backup of transforming plant DC Power Supply Monitoring, the risk of single machine failure is reduced, the reliability of information transmission is improved.
Description
Technical field
The present invention relates to transformer station direct current system monitoring host computer O&M monitoring technology field more particularly to a kind of double hosts are double
Network interface redundancy backup method.
Technical background
Core of the DC power system as substation, once DC power supply is unable to reliable power supply when exchange power loss,
The expansion that will lead to accident, as national grid increasingly payes attention to DC power supply, it is desirable that it is higher and higher, it is original various small
Monitoring will gradually be replaced by unified centralized control apparatus, and there are system information transmissions when single machine failure to lose for centralized control apparatus
The hidden danger of mistake, dual-host backup technology is mainly used in server backup at present, and substation only uses two-shipper to relay protection at present
The method of backup increases the reliability of system, lacks necessary backup scenario, direct current to transforming plant DC power supply monitoring system
Monitoring host computer needs in source are communicated with backstage main website by network interface, and dual-host backup causes an original network channel that can not protect
Card is communicated with two hosts of backup simultaneously.
Summary of the invention
The present invention is to overcome above-mentioned defect in the prior art, provides a kind of redundancy backup method of double network interfaces of two-shipper,
When for solving transforming plant DC Power Supply Monitoring host dual-host backup to background communication one network channel can not simultaneously with it is double
Machine carries out the problem of backup communication, realizes the dual-host backup of transforming plant DC Power Supply Monitoring, reduces the risk of single machine failure, improves
The reliability of information transmission.
In order to solve the above technical problems, the present invention be solve the problems of the prior art, use following technical solution, one
The redundancy backup method of the double network interfaces of kind two-shipper, comprising the following steps:
(1) two hosts are set；
(2) 4 road network mouths are respectively set by four internal network interface cards in every host；
(3) every road network mouth respectively with a RJ45 network interface connection, 4 RJ45 network interfaces be respectively RJ45-1,
RJ45-2,RJ45-3,RJ45-4；
(4) connection between each RJ45 network interface and internal network interface card is controlled by network switching；
(5) it connects between RJ45-1 and RJ45-3 network interface and is controlled by network switching；
(6) it connects between RJ45-2 and RJ45-4 network interface and is controlled by network switching；
(7) it will be linked together between two hosts by cable, First host is connect with backstage；
(8) by the control of network switching, it can be achieved that normal condition, dual-computer redundancy stand-by state, dual-host backup state three
Kind situation.
As a preferred solution, when two hosts carry out dual-host backup, the RJ45-3 network interface of First host is logical
Cross the RJ45-1 network interface that cable is connected to second host；The RJ45-1 network interface of First host is connected to backstage main website.
As a preferred solution, two-way network interface is independent private communication network interface, two-way network interface in the 4 road network mouth
It is independent universal network interface；
As a preferred solution, normal operating conditions is that the RJ45-1 network interface of First host gets to internal network interface card
Side, background host computer are communicated with the first via network interface of First host by private communication protocol；
When as a preferred solution, as dual-computer redundancy stand-by state, the RJ45-1 network interface of First host is beaten
To non-internal network interface card side, RJ45-3 network interface is beaten to non-internal network interface card side, and RJ45-1 network interface and RJ45-3 network interface are direct-connected at this time,
RJ45-1 network interface is disconnected with RJ45-3 network interface and internal network interface card；
RJ45-2 network interface gets to non-internal network interface card side, and RJ45-4 network interface gets to non-internal network interface card side, at this time RJ45-2 network interface
Direct-connected with RJ45-4 network interface, RJ45-2 network interface is disconnected with RJ45-4 network interface and internal network interface card.
As a preferred solution, when two hosts carry out dual-host backup, the RJ45-1 network interface of First host is connect
To backstage main website, the RJ45-3 network interface of First host is beaten to non-internal network interface card side, and RJ45-3 network interface and internal network interface card are disconnected at this time
Connection is opened, the RJ45-3 network interface of First host is connected to the RJ45-1 network interface of second host by cable；Realize second master
The communication of machine and backstage main website completes First hostdown zero-clearance and is switched to the double network interfaces of two-shipper that second host is communicated
Redundant backup function.
As a preferred solution, the private communication network interface is IEC61850 private communication network interface.
As a preferred solution, the independent universal network interface is MODBUS all purpose communication network interface.
The invention has the advantages that:
The present invention solve transforming plant DC Power Supply Monitoring host dual-host backup when to background communication when one network channel without
The problem of method carries out backup communication with two-shipper simultaneously realizes the dual-host backup of transforming plant DC Power Supply Monitoring, reduces single machine failure
Risk, improve information transmission reliability.
Detailed description of the invention
Fig. 1 is that 4 road RJ45 network interfaces and intranet card pass through network switching connection schematic diagram
Fig. 2 is two-node cluster hot backup wiring schematic diagram
Specific embodiment
Embodiment 1:
The invention will be further described below in conjunction with the accompanying drawings, and 4 road RJ45 network interface as shown in Figure 1 and intranet card pass through net
Network switch connection, its implementation are as follows:
(1) according to shown in Fig. 1, RJ45-1 network interface gets to internal network interface card side, and RJ45-1 network interface is the 1st road IEC61850 at this time
Private communication network interface；
(2) according to shown in Fig. 1, RJ45-2 network interface gets to internal network interface card side, and RJ45-2 network interface is the 2nd road IEC61850 at this time
Private communication network interface；
(3) according to shown in Fig. 1, RJ45-3 network interface gets to internal network interface card side, and RJ45-3 network interface is logical for the 1st road MODBUS at this time
With communication network interface；
(4) according to shown in Fig. 1, RJ45-4 network interface gets to internal network interface card side, and RJ45-4 network interface is logical for the 2nd road MODBUS at this time
With communication network interface；
(5) according to shown in Fig. 1, RJ45-1 network interface gets to non-internal network interface card side, and RJ45-3 network interface gets to non-internal network interface card side,
RJ45-1 network interface and RJ45-3 network interface are direct-connected at this time, and RJ45-1 network interface is disconnected with RJ45-3 network interface and internal network interface card；
(6) according to shown in Fig. 1, RJ45-2 network interface gets to non-internal network interface card side, and RJ45-4 network interface gets to non-internal network interface card side,
RJ45-2 network interface and RJ45-4 network interface are direct-connected at this time, and RJ45-2 network interface is disconnected with RJ45-4 network interface and internal network interface card.
Specifically, when two hosts carry out dual-host backup, the RJ45-1 network interface of First host is connected to according to shown in Fig. 2
Backstage main website；
Further, the RJ45-3 network interface of First host is beaten to non-internal network interface card side, at this time RJ45-3 network interface and internal
Network interface card disconnects；
Further, the RJ45-3 network interface of First host is connected to the RJ45-1 network interface of second host by cable；
Further, normal operating conditions is that the RJ45-1 network interface of First host gets to internal network interface card side, background host computer
It is communicated with the first via network interface of First host by IEC61850 agreement；
Further, the RJ45-1 network interface of second host gets to internal network interface card side, and second host is in stand-by heat shape
State；
Further, when First main-machine communication failure, the RJ45-1 network interface of First host gets to non-internal network interface card
Side, the RJ45-1 network interface of First host and RJ45-3 network interface are direct-connected at this time；
Specifically, because the RJ45-3 network interface of First and second RJ45-1 network interface to pass through cable direct-connected, at this time after
Platform main website realizes the logical of second host and backstage main website by the RJ45-1 network interface of First mainframe switching to second host
Letter completes First hostdown zero-clearance and is switched to the double network interface redundant backup functions of two-shipper that second host is communicated.
The above, better embodiment only of the invention are not limitations made for the present invention, it is any without departing from
Technical solutions according to the invention, according to the technical essence of the invention to simple modification, equivalent variations made by above implement with
Reshaping still falls within protection scope of the present invention.
Claims (8)
1. a kind of double network interface redundancy backup methods of double hosts, which is characterized in that the backup method, comprising:
(1) two hosts are set；
(2) 4 road network mouths are respectively set by four internal network interface cards in every host；
(3) every road network mouth respectively with a RJ45 network interface connection, 4 RJ45 network interfaces be respectively RJ45-1, RJ45-2,
RJ45-3,RJ45-4；
(4) connection between each RJ45 network interface and internal network interface card is controlled by network switching；
(5) it connects between RJ45-1 and RJ45-3 network interface and is controlled by network switching；
(6) it connects between RJ45-2 and RJ45-4 network interface and is controlled by network switching；
(7) it will be linked together between two hosts by cable, First host is connect with backstage；
(8) by the control of network switching, it can be achieved that three kinds of normal condition, dual-computer redundancy stand-by state, dual-host backup state feelings
Condition.
2. a kind of double network interface redundancy backup methods of double hosts according to claim 1, which is characterized in that when two hosts into
When row dual-host backup, the RJ45-3 network interface of First host is connected to the RJ45-1 network interface of second host by cable；First
The RJ45-1 network interface of host is connected to backstage main website.
3. a kind of double network interface redundancy backup methods of double hosts according to claim 1, which is characterized in that the 4 road network mouth
Middle two-way network interface is independent private communication network interface, and two-way network interface is independent universal network interface.
4. a kind of double network interface redundancy backup methods of double hosts according to claim 1, which is characterized in that normal operating conditions
Internal network interface card side is got to for the RJ45-1 network interface of First host, background host computer and the first via network interface of First host pass through specially
It is communicated with communication protocol.
5. a kind of double network interface redundancy backup methods of double hosts according to claim 1, which is characterized in that as dual-computer redundancy
When stand-by state, the RJ45-1 network interface of First host is got into non-internal network interface card side, RJ45-3 network interface is beaten to non-internal network interface card
Side, RJ45-1 network interface and RJ45-3 network interface are direct-connected at this time, and RJ45-1 network interface is disconnected with RJ45-3 network interface and internal network interface card；
RJ45-2 network interface gets to non-internal network interface card side, and RJ45-4 network interface gets to non-internal network interface card side, at this time RJ45-2 network interface with
RJ45-4 network interface is direct-connected, and RJ45-2 network interface is disconnected with RJ45-4 network interface and internal network interface card.
6. a kind of double network interface redundancy backup methods of double hosts according to claim 1, which is characterized in that when two hosts into
When row dual-host backup, the RJ45-1 network interface of First host is connected to backstage main website, and the RJ45-3 network interface of First host is beaten to non-
Internal network interface card side, RJ45-3 network interface is disconnected with internal network interface card at this time, and the RJ45-3 network interface of First host is connect by cable
To the RJ45-1 network interface of second host；Realize the communication of second host and backstage main website, complete First hostdown without
Gap is switched to the double network interface redundant backup functions of two-shipper that second host is communicated.
7. a kind of double network interface redundancy backup methods of double hosts according to claim 3, which is characterized in that the private communication
Network interface is IEC61850 private communication network interface.
8. a kind of double network interface redundancy backup methods of double hosts according to claim 3, which is characterized in that the independence is general
Network interface is MODBUS all purpose communication network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811433823.8A CN109600253A (en) | 2018-11-28 | 2018-11-28 | The double network interface redundancy backup methods of double hosts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433823.8A CN109600253A (en) | 2018-11-28 | 2018-11-28 | The double network interface redundancy backup methods of double hosts |
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| CN109600253A true CN109600253A (en) | 2019-04-09 |
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| CN201811433823.8A Withdrawn CN109600253A (en) | 2018-11-28 | 2018-11-28 | The double network interface redundancy backup methods of double hosts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314367A (en) * | 2022-07-20 | 2022-11-08 | 杭州熠芯科技有限公司 | Network card hot standby method for double-network-port double-host-machine interface |
| CN115842609A (en) * | 2023-02-28 | 2023-03-24 | 浙江正泰中自控制工程有限公司 | Communication redundancy mechanism for SIS (Small information System) |
-
2018
- 2018-11-28 CN CN201811433823.8A patent/CN109600253A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115314367A (en) * | 2022-07-20 | 2022-11-08 | 杭州熠芯科技有限公司 | Network card hot standby method for double-network-port double-host-machine interface |
| CN115842609A (en) * | 2023-02-28 | 2023-03-24 | 浙江正泰中自控制工程有限公司 | Communication redundancy mechanism for SIS (Small information System) |
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Application publication date: 20190409 |