CN1194480C - Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy - Google Patents
Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy Download PDFInfo
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- CN1194480C CN1194480C CNB021300887A CN02130088A CN1194480C CN 1194480 C CN1194480 C CN 1194480C CN B021300887 A CNB021300887 A CN B021300887A CN 02130088 A CN02130088 A CN 02130088A CN 1194480 C CN1194480 C CN 1194480C
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Abstract
The present invention relates to a method for the online data exchange between a master control board and a service board during the hot backup of the master control board, which belongs to the technical field of data communication. In the method, a hot backup module, a hot backup registry, a hot backup interface address, etc. are respectively set on a master board and a backup board serving as the master control board, and modules and interfaces for the communication between boards are respectively arranged on the master control board and the service board; after the master board and the backup board are switched, the hot backup registry is retrieved by a new master board so as to notify of the data exchange between the master control board and the service board according to the hot backup interface address of a data module; after information for starting the data exchange is received, data is transmitted to the service board by the interface for the communication between boards, which is arranged on the master control board, and meanwhile the data is also transmitted to the new master board by the interface for the communication between boards, which is arranged on the service board. The new master board and the service board can carry out online state confirmation and the online data exchange by the method of the present invention without affecting the normal operation of the service board so as to ensure the consistency of the data and the state maintained by the whole system.
Description
Technical field
The present invention relates in a kind of main control plate thermal redundancy the method for online data exchange between the master control borad and business board, belong to the data communication technology field.
Background technology
In data communication field, high-end distributed network equipment (as high-end router) is in important status, does not allow to break down.In order to ensure the reliability of equipment and network, generally all need back mechanism.Distributed product design master control borad and business board, master control borad is controlled the operation of the whole network equipment, and business board then is responsible for the work of data forwarding.In order to improve the reliability of the network equipment, two master control borads of Hot Spare Mechanism Design, one is in running order, and one is in stand-by state.In case the master control borad (hereinafter to be referred as main board) of work breaks down, standby master control borad (hereinafter to be referred as standby plate) is taken over job at once, thereby equipment is not interrupted, to guarantee the reliability of equipment.In actual motion, when main board breaks down, when standby plate is taken over original main board and is become the work of new main board, because a variety of causes, data and state that the data of the relevant business board that new main board is safeguarded and state and business board oneself are safeguarded may be inconsistent, therefore need make new main board and business board carry out exchanges data, make them reach consistent.In the prior art, reach consistent, need restart business board, in start-up course, make master control borad consistent with business board in order to make master control borad and business board.Restart business board and will inevitably influence business, make data-bag lost, and can cause the route flapping of a period of time after restarting.
Summary of the invention
The objective of the invention is to overcome in the prior art, the shortcoming that need restart business board when main board is switched with standby plate and the appearance of communicating by letter is interrupted, the method of online data exchange between the master control borad and business board is proposed in a kind of main control plate thermal redundancy, when making active and standby switching in device fails, the data and the state of master control borad and business board are consistent, reliable to guarantee equipment operation.
The method of online data exchange between master control borad and the business board comprises the steps: in the main control plate thermal redundancy that the present invention proposes
1, on main board that is used as master control borad and standby plate, the Hot Spare module is set respectively, on the Hot Spare module, sets up the Hot Spare registration table, and in registration table, according to priority register the Hot Spare interface IP address of each data module;
2, communication between plates module and communication between plates interface are set respectively on master control borad and business board;
3, after main board and standby plate were switched, new main board was retrieved the Hot Spare registration table of the above-mentioned first step, according to the Hot Spare interface IP address of data module, according to priority notifies the data module on it, and beginning is carried out exchanges data with business board;
4, on the new main board Hot Spare interface of data module receive begin to carry out the information of exchanges data after, by the communication between plates interface on it data are sent on the business board, business board also is sent to data on the new main board by the communication between plates interface on it simultaneously;
5, after data module is finished exchanges data, this data module on the new main board notifies the Hot Spare module on it to finish exchanges data.
Repeat above-mentioned steps, until the exchanges data of finishing main board and business board.
The method of online data exchange between master control borad and the business board in the main control plate thermal redundancy that use the present invention proposes, when the master control borad of work break down, when standby plate is switched into new main board and is master control borad, new main board and business board can carry out state and data in line justification and exchange, avoided influencing the operate as normal of business board because of restarting of business board, the data of whole system maintenance and the consistency of state have been guaranteed, thereby after guaranteeing that originally main board as master control borad breaks down, system can normally move incessantly.
Description of drawings
Fig. 1 is the configuration schematic diagram of master control borad and business board in the inventive method.
Embodiment
After the exchanges data of main board and business board occurs in original main board and breaks down, standby plate becomes new main board and will command whole system, but because a variety of causes, data and state that the data of the relevant business board that new main board is safeguarded and state and business board oneself are safeguarded may be inconsistent.Therefore, the Hot Spare module definition this process of exchanges data, communicate with business board on one's own initiative, aspect three of hardware states, link layer state, configuration data, confirm and exchange.
Method of the present invention at first is provided with the Hot Spare module respectively on main board and standby plate, set up the Hot Spare registration table respectively, the Hot Spare interface IP address of each data module on registration main board and the standby plate in registration table.When data module is registered in the thermotropism backup registry, use the order of priority to rank.Use standard Hot Spare information format to communicate between Hot Spare module and the data module, flow to Hot Spare interface unified handle of the information unification of data module by Hot Spare by the data module registration by the Hot Spare module definition.
The configuration of main board and business board as shown in Figure 1, comprise among Fig. 1: business board data module 1, communication between plates interface 2 on the data module, data module 3 on the new main board, the Hot Spare interface 4 of data module on the new main board, Hot Spare registration table 5, the communication between plates interface 6 on business board and the new main board.
The communication between plates module is set respectively on main board and business board, and it is responsible for the transfer of data between each plate, and data module needed to communication between plates module application passage before the transmission data, and the log-on data receiving interface.Transmission only need get final product the unified interface that data are given communication between plates during data, and transfer of data is by the unified realization of communication between plates, and communication between plates is given data the data module interface of respective plate.
Hot Spare module on the main board is guaranteed normally carrying out of exchanges data by condition managing.When original main board broke down, standby plate originally can become new main board automatically, and before allowing new main board operate as normal, the state of main board is set to the exchanges data state.
The Hot Spare module begins exchanges data according to the interface IP address of priority orders notification data module.Data module on the main board is after receiving beginning exchanges data information, and the data that needs are transmitted send to business board by the communication between plates interface, realize the exchanges data work of main board and business board.The Hot Spare module is retrieved the Hot Spare registration table again and is notified next data module to begin exchanges data, until the exchanges data of finishing main board and business board.Learn all data modules when the Hot Spare module and finished exchanges data work, the Hot Spare module is changed to normal operating conditions with main board.
Claims (1)
1, the method that online data exchanges between master control borad and the business board in a kind of main control plate thermal redundancy is characterized in that this method comprises the steps:
(1) on main board that is used as master control borad and standby plate, the Hot Spare module is set respectively, on the Hot Spare module, sets up the Hot Spare registration table, and in this registration table, according to priority register the Hot Spare interface IP address of each data module;
(2) communication between plates module and communication between plates interface are set respectively on master control borad and business board;
(3) after main board and standby plate were switched, new main board was retrieved the Hot Spare registration table of the above-mentioned first step, according to the Hot Spare interface IP address of data module, according to priority notifies the data module on it, and beginning is carried out exchanges data with business board;
(4) on the new main board Hot Spare interface of data module receive begin to carry out the information of exchanges data after, by the communication between plates interface on it data are sent on the business board, business board also is sent to data on the new main board by the communication between plates interface on it simultaneously, the Hot Spare module is retrieved the Hot Spare registration table again and is notified next data module to begin exchanges data, until the exchanges data of finishing main board and business board, learn all data modules when the Hot Spare module and finished exchanges data work, the Hot Spare module is changed to normal operating conditions with main board;
(5) after data module is finished exchanges data, this data module on the new main board notifies the Hot Spare module on it to finish exchanges data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021300887A CN1194480C (en) | 2002-08-28 | 2002-08-28 | Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021300887A CN1194480C (en) | 2002-08-28 | 2002-08-28 | Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1479452A CN1479452A (en) | 2004-03-03 |
| CN1194480C true CN1194480C (en) | 2005-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021300887A Expired - Fee Related CN1194480C (en) | 2002-08-28 | 2002-08-28 | Method of data on line exchange between main control plate and business plate in main control plate thermal redundancy |
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| Country | Link |
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| CN (1) | CN1194480C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461646C (en) * | 2004-08-27 | 2009-02-11 | 华为技术有限公司 | Method for negat main spare board in communication equipment |
| CN100394704C (en) * | 2004-12-13 | 2008-06-11 | 上海贝尔阿尔卡特股份有限公司 | Redundancy backup control system and interface board power supply controlling method |
| CN100370759C (en) * | 2005-09-06 | 2008-02-20 | 上海华为技术有限公司 | Thermo-back-up system and method |
| CN100357902C (en) * | 2005-12-20 | 2007-12-26 | 华为技术有限公司 | Data back-up method of plug-in card for business processing unit board |
| CN100466550C (en) * | 2006-09-13 | 2009-03-04 | 杭州华三通信技术有限公司 | Method, device and system for implementing multi-service type structure |
| CN101005376A (en) * | 2007-01-09 | 2007-07-25 | 华为技术有限公司 | Device and method for realizing service plate main control plate communication |
| CN101247275B (en) * | 2008-03-18 | 2011-02-09 | 杭州华三通信技术有限公司 | Interrupt reporting method and network appliance |
| CN101924682B (en) * | 2009-06-11 | 2012-07-04 | 华为技术有限公司 | ATCA (Advanced Telecommunications Computing Architecture) exchange system, method and communication device |
| CN101583144B (en) * | 2009-07-07 | 2011-11-16 | 杭州华三通信技术有限公司 | Wireless controller service information backup method and equipment |
| CN101719838B (en) | 2009-11-17 | 2012-04-25 | 华为技术有限公司 | Processing method, device and system convenient for main/backup switching |
| CN102332986B (en) * | 2010-07-13 | 2013-08-14 | 杭州华三通信技术有限公司 | Address processing method, system and device |
| CN101977139B (en) * | 2010-07-28 | 2012-09-05 | 北京星网锐捷网络技术有限公司 | Route retransmission realization device and method, and switching equipment |
| CN104394018B (en) * | 2014-11-28 | 2018-05-25 | 上海斐讯数据通信技术有限公司 | The online exchange method of master/backup system data in a kind of communication equipment and main control plate thermal redundancy |
| CN106789862B (en) * | 2016-04-25 | 2021-05-07 | 新华三技术有限公司 | Data synchronization method and device |
| CN107547255B (en) * | 2017-06-30 | 2020-12-01 | 新华三技术有限公司 | Cluster system upgrading method, main control board and cluster system |
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2002
- 2002-08-28 CN CNB021300887A patent/CN1194480C/en not_active Expired - Fee Related
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| CN1479452A (en) | 2004-03-03 |
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