CN101771717A - Database synchronization method and database synchronization system - Google Patents
Database synchronization method and database synchronization system Download PDFInfo
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- CN101771717A CN101771717A CN200810241877A CN200810241877A CN101771717A CN 101771717 A CN101771717 A CN 101771717A CN 200810241877 A CN200810241877 A CN 200810241877A CN 200810241877 A CN200810241877 A CN 200810241877A CN 101771717 A CN101771717 A CN 101771717A
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Abstract
The embodiment of the invention relates to a database synchronization method, which comprises that: a client acquires database content in a first database server; and a server acquires the database content from the client through a one-way transmission network and transmits the database content to a second database server so as to finish the synchronization of the database content from the first database server to the second database server. In addition, the embodiment of the invention also provides a database synchronization system. Through the method and the system of the embodiment of the invention, the application of one-way transmission technology is expanded, database synchronization efficiency is improved and the security and reliability of the synchronization of the database content are ensured.
Description
Technical field
The present invention relates to communication system, relate in particular to a kind of database synchronization method and system.
Background technology
The lifting of the lifting of the resource utilization that network technology is brought, the expansion of application function, performance plays significant role to China's modernization, technicalization, informatization, how to guarantee that network and information system security become most important research object on the basis that ensures the application of network and information system.Traditional safing method is promptly carried out in the network of different level of securitys in the information exchange, by artificial switching database content, thereby is implemented in the internetwork information exchange of two different level of securitys.
The inventor finds that there is following technical problem at least in prior art in implementing process of the present invention:
Above-mentionedly realize the inefficiency of the internetwork data-base content of different level of securitys exchange with manual method, fail safe is transferred on the human factor, and reliability can't guarantee.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of database synchronization method and system are provided, can realize that the data-base content between first database server and second database server is synchronous by the one-way transmission network, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous.
For solving the problems of the technologies described above, the embodiment of the invention adopts following technical scheme:
A kind of database synchronization method comprises:
Client obtains the data-base content in first database server;
Server end obtains described data-base content by the one-way transmission network from described client, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously.
A kind of database synchronous system comprises:
Client is used for obtaining the data-base content of first database server;
The one-way transmission network is used for the described data-base content of one-way transmission;
Server end, be used for obtaining described data-base content from described client by the one-way transmission network, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously.
The beneficial effect of the embodiment of the invention is:
Obtain data-base content in first database server by client, server end obtains described data-base content by the one-way transmission network, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Description of drawings
Fig. 1 is the main flow chart of the database synchronization method of the embodiment of the invention;
Fig. 2 is the specific embodiment schematic diagram of database synchronization method of the present invention;
Fig. 3 is the primary structure figure of the database synchronous system of the embodiment of the invention;
Fig. 4 is the specific embodiment schematic diagram of database synchronous system of the present invention.
Embodiment
The embodiment of the invention provides a kind of database synchronization method and a kind of database synchronous system, can realize that the data-base content between first database server and second database server is synchronous by the one-way transmission network, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous.
Fig. 1 is the main flow chart of the method for data synchronization of the embodiment of the invention, and with reference to this figure, this method mainly comprises:
101, client obtains the data-base content in first database server, and particularly, first database server can be the database server in the first level of security network;
102, server end obtains described data-base content by the one-way transmission network from described client, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously, particularly, can there be one or more unidirectional transmission equipments in the one-way transmission network, this unidirectional transmission equipment can constitute the node on the data transmission channel of described data-base content transmission, the transmission of described data-base content can utilize one or more data transmission channel in the one-way transmission network, second database server can be the database server in the network of second level of security, for example, the network of first level of security can be a managerial grid, and the network of second level of security can be to produce net.
Implement the database synchronization method of the embodiment of the invention as shown in Figure 1, obtain data-base content in first database server by 101 clients, 102 obtain described data-base content by the one-way transmission network from described client, described data-base content is sent to second database server, with finish described data-base content from described first database server to described second database server synchronously, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous.
Fig. 2 is the specific embodiment schematic diagram of database synchronization method of the present invention, and with reference to this figure, this method mainly comprises:
201, relevant information according to first configuration, client periodically scans the data-base content that obtains in first database server, particularly, can periodically scan the data-base content of storing with the database backup file form in the first database server source directory, particularly, first configuration can comprise following one or more combination:
Client configuration customer management information and/or the database information that visits the database in first database server, wherein, customer management information can comprise user account, password, database journal recorded information etc., the database journal recorded information can comprise database journal physical pathway etc., and database information can comprise database physical pathway, type of database etc.;
Client configuration obtains the cycle of the data-base content in first database server, and client can periodically obtain data-base content waiting for transmission from first database server according to this configuration information;
Client configuration obtains the pattern of the data-base content of first database server, particularly, this pattern can be complete synchronization pattern, difference synchronous mode and/or increment synchronous mode, and wherein, complete synchronization pattern mainly is the entire database content that obtains from first database server; The difference synchronous mode mainly is to obtain and the difference part that compares of data in synchronization storehouse content last time from first database server; The increment synchronous mode mainly is to obtain and the part that increases newly that compares of data in synchronization storehouse content last time from first database;
In addition, first database server can be the database server in the first level of security network; Second database server can be the database server in the network of second level of security, and for example, the network of first level of security can be a managerial grid, and the network of second level of security can be to produce net;
202, client with the data-base content that obtains to the one-way transmission Network Transmission, particularly, can there be one or more unidirectional transmission equipments in the one-way transmission network, but the node on the data transmission channel of this unidirectional transmission equipment composition data storehouse content delivery, the transmission of data-base content can utilize one or more data transmission channel in the one-way transmission network;
203, the one-way transmission network transfers to server end with data-base content;
204, server end is according to the relevant information of second configuration, obtain data-base content by the one-way transmission network from client, and will send to second database server after the data-base content classification, with finish data-base content from first database server to second database server synchronously, particularly, second configuration can comprise following one or more combination:
Server end configuration is used to obtain the listening port of data-base content, and according to this configuration information, server end promptly can listening port obtains the data-base content by the data transmission channel transmission;
Server end configuration customer management information and/or the database information that visits the database in second database server, wherein, customer management information can comprise user account, password, database journal recorded information etc., the database journal recorded information can comprise database journal physical pathway etc., and database information can comprise database physical pathway, type of database etc.;
The server end configuration sends to data-base content the cycle of second database server;
The server end configuration sends to data-base content the pattern of second database server, particularly, this pattern can be complete synchronization pattern, difference synchronous mode and/or increment synchronous mode, wherein, complete synchronization pattern mainly is that the entire database content that will obtain sends under the destination directory of second database server, carries out the replacement of entire database content; The difference synchronous mode mainly be according to the data-base content of this acquisition with last time data in synchronization storehouse content compare, the difference that relatively draws is partly sent to second database server to replace; The increment synchronous mode mainly be according to the data-base content of this acquisition with last time data in synchronization storehouse content compare, the part that increases newly that relatively draws is sent to second database server to replenish;
As a kind of execution mode, can also handle the transmission abnormality of data-base content in this method, the processing that client is carried out the transmission abnormality of data-base content can comprise the network abnormity processing, to processing of database content delivery breakpoint etc., wherein, processing to database content delivery breakpoint can be adopted breakpoint transmission mechanism, particularly, the indication information of first data point that transmission is interrupted according to data-base content, determine to transmit the starting point that second data point is transmitted again as described data-base content in the data-base content before described first data point, and transmit described data-base content again with described starting point, the estimated value of the data volume that differs between described first data point and described second data point data in buffer amount during more than or equal to the described data-base content of Network Transmission.
As a kind of execution mode, communication between devices such as above-mentioned client, one-way transmission network, server end can adopt SSL (Secure Sockets Layer, SSL) coded communication.
Implement the database synchronization method of the embodiment of the invention as shown in Figure 2, obtain data-base content in first database server by 201 by client, 202,203,204 obtain data-base content by the one-way transmission network by server end, data-base content is sent to second database server, with finish data-base content from described first database server to described second database server synchronously, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous; Perfect in shape and functions such as the log record that adopts, breakpoint transmission mechanism the database synchronization method of the embodiment of the invention, have more practicality.
Database synchronous system to the embodiment of the invention describes below.
Fig. 3 is the primary structure figure of the database synchronous system of the embodiment of the invention, and with reference to this figure, this system mainly comprises client 301, one-way transmission network 302, server end 303, wherein:
One-way transmission network 302, the one-way transmission data-base content, particularly, can there be one or more unidirectional transmission equipments in the one-way transmission network, this unidirectional transmission equipment can constitute the node on the data transmission channel of described data-base content transmission, and the transmission of described data-base content can utilize one or more data transmission channel in the one-way transmission network 302;
Implement the database synchronization method of the embodiment of the invention as shown in Figure 3, by the data-base content in client 301 acquisitions first database server, server end 303 obtains described data-base content by one-way transmission network 302, described data-base content is sent to second database server, with finish described data-base content from described first database server to described second database server synchronously, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous.
Fig. 4 is the specific embodiment schematic diagram of database synchronous system of the present invention, and with reference to this figure, this system mainly comprises first database server 401, client 402, one-way transmission network 403, server end 404, second database server 405, wherein:
First configuration module carries out first configuration, and first configuration can comprise following one or more combination:
Configuration customer management information and/or the database information that visits the database in first database server, wherein, customer management information can comprise user account, password, database journal recorded information etc., the database journal recorded information can comprise database journal physical pathway etc., and database information can comprise database physical pathway, type of database etc.;
Configuration obtains the cycle of the data-base content in first database server, can periodically obtain data-base content waiting for transmission from first database server according to this configuration information;
Configuration obtains the pattern of the data-base content of first database server, particularly, this pattern can be complete synchronization pattern, difference synchronous mode and/or increment synchronous mode, and wherein, complete synchronization pattern mainly is the entire database content that obtains from first database server; The difference synchronous mode mainly is to obtain and the difference part that compares of data in synchronization storehouse content last time from first database server; The increment synchronous mode mainly is to obtain and the part that increases newly that compares of data in synchronization storehouse content last time from first database;
First transport module, relevant information according to first configuration, client periodically scans the data-base content that obtains in 401 catalogues of the first database server source with the storage of database backup file form, and with the data-base content that obtains to 403 transmission of one-way transmission network;
One-way transmission network 403, the data-base content transmission direction of this one-way transmission network 403 is 404 direction from client 402 to server end, can there be one or more unidirectional transmission equipments in the one-way transmission network 403, but the node on the data transmission channel of this unidirectional transmission equipment composition data storehouse content delivery, the transmission of data-base content specifically can carry out the data-base content transmission according to one or more data transmission channel that disposes in the preliminary treatment;
Second configuration module carries out second configuration, and second configuration can comprise following one or more combination:
Configuration is used to obtain the listening port of data-base content, according to this configuration information, promptly can listening port obtains the data-base content by the data transmission channel transmission;
Configuration customer management information and/or the database information that visits the database in second database server, wherein, customer management information can comprise user account, password, database journal recorded information etc., the database journal recorded information can comprise database journal physical pathway etc., and database information can comprise database physical pathway, type of database etc.;
Configuration sends to data-base content the cycle of second database server;
Configuration sends to data-base content the pattern of second database server 405, particularly, this pattern can be complete synchronization pattern, difference synchronous mode and/or increment synchronous mode, wherein, complete synchronization pattern mainly is that the entire database content that will obtain sends under the destination directory of second database server 405, carries out the replacement of entire database content; The difference synchronous mode mainly be according to the data-base content of this acquisition with last time data in synchronization storehouse content compare, the difference that relatively draws is partly sent to second database server 405 to replace; The increment synchronous mode mainly be according to the data-base content of this acquisition with last time data in synchronization storehouse content compare, the part that increases newly that relatively draws is sent to second database server 405 to replenish;
Second transport module, relevant information according to second configuration, obtain data-base content by one-way transmission network 403 from client 402, and data-base content sent to second database server 405, with finish data-base content from first database server, 401 to second database servers 405 synchronously.
As a kind of execution mode, client can also comprise an abnormality processing module, this abnormality processing module has the function that the transmission abnormality of data-base content is handled, the processing of carrying out the transmission abnormality of data-base content can comprise to the network abnormity processing, to processing of database content delivery breakpoint etc., wherein, processing to database content delivery breakpoint can be adopted breakpoint transmission mechanism, repeats no more herein.
As a kind of execution mode, the type of database in first database server can be different with the type of database in second database server, for example can select MS SQL Server2000 or above version for use, Oracle 8i or above version.
Need to prove that above-mentioned client 402, one-way transmission network 403, server end 404 can be integrated in the physical equipment.
Implement the database synchronous system of the embodiment of the invention as shown in Figure 4, by the data-base content in client 402 acquisitions first database server 401, server end 404 obtains described data-base content by one-way transmission network 403, described data-base content is sent to second database server 405, with finish described data-base content from described first database server 401 to described second database server 405 synchronously, expanded the one-way transmission The Application of Technology, improve the efficient of database synchronization, guaranteed fail safe and reliability that data-base content is synchronous; Perfect in shape and functions such as the log record that adopts, breakpoint transmission mechanism the database synchronous system of the embodiment of the invention, have more practicality.
In addition, above-mentioned one-way transmission is meant that mainly information is transferred to second network from first network uni-directional, and during specific implementation, first network can be the higher public security net of level of security, second network can be the lower the Internet of level of security, information can only be carried out one-way transmission from the public security net to the Internet, can prevent that like this public security net security information from destroyed by the hacker; Perhaps, first network can be the lower electrical production net of level of security, second network can be the higher electrical management net of level of security, and information can only be carried out one-way transmission to the electrical management net from the electrical production net, can prevent that like this electrical management net security information from being divulged a secret.Effect highly significant when therefore, the method and system of the embodiment of the invention are at one-way transmission.
In addition, one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by program, described program can be stored in the computer-readable recording medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (9)
1. a database synchronization method is characterized in that, comprising:
Client obtains the data-base content in first database server;
Server end obtains described data-base content by the one-way transmission network from described client, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously.
2. the method for claim 1 is characterized in that, this method also comprises:
Described client is carried out first configuration, and this first configuration comprises following one or more combination:
Described client configuration customer management information and/or the database information that visits the database in described first database server;
Described client configuration obtains the cycle of described data-base content;
Described client configuration obtains the pattern of described data-base content.
3. method as claimed in claim 2 is characterized in that, the data-base content that described client obtains in first database server is:
According to the relevant information of described first configuration, described client periodically scans and obtains described data-base content.
4. the method for claim 1 is characterized in that, this method also comprises:
Described server end carries out second configuration, and this second configuration comprises following one or more combination:
Described server end configuration is used to obtain the listening port of described data-base content;
Described server end configuration customer management information and/or the database information that visits the database in described second database server;
Described server end configuration sends to described data-base content the cycle of described second database server;
Described server end configuration sends to described data-base content the pattern of described second database server.
5. as claim 2 or 4 described systems, it is characterized in that described pattern is complete synchronization pattern, difference synchronous mode and/or increment synchronous mode.
6. as each described method in the claim 1 to 4, it is characterized in that this method also comprises:
Transmit the indication information of first data point of interrupting according to described data-base content, determine transmitting the starting point that second data point is transmitted again as described data-base content in the data-base content before described first data point, and transmit described data-base content again with described starting point.
7. a database synchronous system is characterized in that, comprising:
Client is used for obtaining the data-base content of first database server;
The one-way transmission network is used for the described data-base content of one-way transmission;
Server end, be used for obtaining described data-base content from described client by the one-way transmission network, and described data-base content sent to second database server, with finish described data-base content from described first database server to described second database server synchronously.
8. system as claimed in claim 7 is characterized in that, described client comprises:
First transport module is used to obtain described data-base content, and to the described data-base content of described one-way transmission Network Transmission;
First configuration module is used to carry out first configuration, and described first configuration comprises following one or more combination:
Configuration customer management information and/or the database information that visits the database in described first database server;
Configuration obtains the cycle of described data-base content;
Configuration obtains the pattern of described data-base content.
9. as claim 7 or 8 described systems, it is characterized in that described server end comprises:
Second transport module, be used for obtaining described data-base content from described client by described one-way transmission network, and described data-base content sent to described second database server, with finish described data-base content from described first database server to described second database server synchronously;
Second configuration module is used to carry out second configuration, and described second configuration comprises following one or more combination:
Configuration is used to obtain the listening port of described data-base content;
Configuration customer management information and/or the database information that visits the database in described second database server;
Configuration sends to described data-base content the cycle of described second database server;
Configuration sends to described data-base content the pattern of described second database server.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103106570A (en) * | 2013-02-21 | 2013-05-15 | 广州宝钢南方贸易有限公司 | Automatic updating device and method for steel product inventory |
| CN105072153A (en) * | 2015-07-10 | 2015-11-18 | 成都品果科技有限公司 | Heterogeneous data synchronization scheme, based on incremental updating, on mobile device |
| CN106330963A (en) * | 2016-10-11 | 2017-01-11 | 江苏电力信息技术有限公司 | Cross-network multi-node log collecting method |
| CN106887051A (en) * | 2017-04-01 | 2017-06-23 | 程志勇 | A kind of traffic fare payment system and method based on intelligent terminal |
| CN108073653A (en) * | 2016-11-16 | 2018-05-25 | 蓝盾信息安全技术有限公司 | The heterogeneous database synchronization method of one-way optical gate is realized based on data-flow analysis |
| WO2018165962A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | E-commerce data migration system and method |
| WO2018165966A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | Discrete e-commerce data migration processing system and method |
| WO2018165964A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | Cluster architecture-based e-commerce data migration system and method |
| CN110795507A (en) * | 2019-10-30 | 2020-02-14 | 北京永亚普信科技有限责任公司 | Database synchronization system and method based on one-way transmission protocol |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106570A (en) * | 2013-02-21 | 2013-05-15 | 广州宝钢南方贸易有限公司 | Automatic updating device and method for steel product inventory |
| CN105072153A (en) * | 2015-07-10 | 2015-11-18 | 成都品果科技有限公司 | Heterogeneous data synchronization scheme, based on incremental updating, on mobile device |
| CN105072153B (en) * | 2015-07-10 | 2018-10-09 | 成都品果科技有限公司 | Isomeric data synchronous method based on incremental update in a kind of mobile device |
| CN106330963A (en) * | 2016-10-11 | 2017-01-11 | 江苏电力信息技术有限公司 | Cross-network multi-node log collecting method |
| CN108073653A (en) * | 2016-11-16 | 2018-05-25 | 蓝盾信息安全技术有限公司 | The heterogeneous database synchronization method of one-way optical gate is realized based on data-flow analysis |
| WO2018165962A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | E-commerce data migration system and method |
| WO2018165966A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | Discrete e-commerce data migration processing system and method |
| WO2018165964A1 (en) * | 2017-03-17 | 2018-09-20 | 深圳市秀趣品牌文化传播有限公司 | Cluster architecture-based e-commerce data migration system and method |
| CN106887051A (en) * | 2017-04-01 | 2017-06-23 | 程志勇 | A kind of traffic fare payment system and method based on intelligent terminal |
| CN110795507A (en) * | 2019-10-30 | 2020-02-14 | 北京永亚普信科技有限责任公司 | Database synchronization system and method based on one-way transmission protocol |
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Application publication date: 20100707 |