CN109818956A - A kind of intranet and extranet data-sharing systems and method - Google Patents
A kind of intranet and extranet data-sharing systems and method Download PDFInfo
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- CN109818956A CN109818956A CN201910059528.9A CN201910059528A CN109818956A CN 109818956 A CN109818956 A CN 109818956A CN 201910059528 A CN201910059528 A CN 201910059528A CN 109818956 A CN109818956 A CN 109818956A
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Abstract
The present invention relates to a kind of intranet and extranet data-sharing systems and method, which includes Intranet front server, safety isolation network gate and outer net front server；The Intranet front server is transmitted to the outer net front server by the safety isolation network gate for obtaining the data to be ferried in Intranet, and by the data to be ferried in the Intranet；The outer net front server is transmitted to the Intranet front server by the safety isolation network gate for obtaining the data to be ferried in outer net, and by the data to be ferried in the outer net.Technical solution of the present invention can automatic control of data transmission, the efficiency of data transmission greatly improved, and can be improved the anti-attack ability of system, guarantee data security.
Description
Technical field
The present invention relates to technical field of data transmission more particularly to a kind of intranet and extranet data-sharing systems and methods.
Background technique
When intranet and extranet are respectively the network of different safety class, such as Intranet is energy supervision network, and outer net is public network
Network etc. needs for Intranet to be isolated with outer net, to guarantee that data will not leak in Intranet, it is ensured that data safety.Currently, in order to
It guarantees data security, blocks the connection between Intranet and outer net frequently with physically-isolated mode, but inside and outside needs progress
It when network data is shared, such as needs the data in outer net being synchronized to Intranet, or needs the data in Intranet being transmitted to outer net
When, physically-isolated mode carry out data sharing can not automatically, needs to transmit data using modes such as manual copies, transmit
Efficiency is very low, and safety is very poor.
Summary of the invention
In order to guarantee while tertiary-structure network, realize the data sharing of intranet and extranet, the present invention provides a kind of intranet and extranet
Data-sharing systems and method.
The technical scheme to solve the above technical problems is that
In a first aspect, the present invention provides a kind of intranet and extranet data-sharing systems, including Intranet front server, safety every
Off-network lock and outer net front server.
The Intranet front server, for obtaining the data to be ferried in Intranet, and by the Intranet wait ferry
Data are transmitted to the outer net front server by the safety isolation network gate.
The outer net front server, for obtaining the data to be ferried in outer net, and by the outer net wait ferry
Data are transmitted to the Intranet front server by the safety isolation network gate.
Second aspect, the present invention provides a kind of intranet and extranet data sharing methods, and this method comprises the following steps:
When Intranet transmits data to outer net, Intranet front server obtains the data to be ferried in Intranet, and will be described interior
Data to be ferried in net are transmitted to outer net front server by safety isolation network gate.
When outer net transmits data to Intranet, outer net front server obtains the data to be ferried in outer net, and will be described outer
Data to be ferried in net are transmitted to Intranet front server by safety isolation network gate.
The beneficial effect of intranet and extranet data-sharing systems and method of the invention is: when Intranet transmits data to outer net,
Data to be ferried in Intranet are transmitted to outer net front server by safety isolation network gate by Intranet front server.Work as outer net
When transmitting data to Intranet, the data to be ferried in outer net are transmitted to Intranet by safety isolation network gate by outer net front server
Front server.Wherein, safety isolation network gate is a kind of specialized hardware with various control function, can be cut off on circuit
Link layer connection between network, and the appropriate application data exchange of safety is carried out between network.Technical solution of the present invention is logical
Cross safety isolation network gate can automatic control of data transmission, the efficiency of data transmission greatly improved, and due to security isolation
Gateway can cut off the connection of the link layer between network, therefore can be improved the anti-attack ability of system, guarantee data security.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intranet and extranet data-sharing systems of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of intranet and extranet data-sharing systems of another embodiment of the present invention；
Fig. 3 is a kind of flow diagram of intranet and extranet data sharing method of the embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of intranet and extranet data-sharing systems provided in an embodiment of the present invention, including the preposition service of Intranet
Device, safety isolation network gate and outer net front server.
The Intranet front server, for obtaining the data to be ferried in Intranet, and by the Intranet wait ferry
Data are transmitted to the outer net front server by the safety isolation network gate.
The outer net front server, for obtaining the data to be ferried in outer net, and by the outer net wait ferry
Data are transmitted to the Intranet front server by the safety isolation network gate.
In the present embodiment, when Intranet transmits data to outer net, Intranet front server is by the data to be ferried in Intranet
Outer net front server is transmitted to by safety isolation network gate.When outer net transmits data to Intranet, outer net front server will
Data to be ferried in outer net are transmitted to Intranet front server by safety isolation network gate.Wherein, safety isolation network gate is one
Kind has the specialized hardware of various control function, the link layer connection between network can be cut off on circuit, and between network
Carry out the application data exchange of safety appropriateness.Technical solution of the present invention can automatically control data biography by safety isolation network gate
It is defeated, the efficiency of data transmission greatly improved, and since safety isolation network gate can cut off the connection of the link layer between network,
Therefore the anti-attack ability that can be improved system, guarantees data security.
Specifically, safety isolation network gate is for realizing the security isolation between the Intranet and outer net of different security levels, and
It provides appropriateness controllable data exchange, is communicated in the present embodiment for Intranet to outer net and outer net to the one-way data of Intranet.To
Data of ferrying are to need to carry out shared data, and the data to be ferried in Intranet may include in Intranet in each server operational process
The data of generation, the data to be ferried in outer net may include the data or acquisition generated in server operational process in outer net
Data.
Preferably, as shown in Fig. 2, further including Intranet application server, enabling the data to be ferried in the Intranet is first
Data to be ferried, the Intranet application server are specifically used for:
It receives the Intranet front server to request at interval of the ferry-boat that the first nominal time sent, be asked according to the ferry-boat
It asks and collects first data to be ferried, and the described first data to be ferried are compressed, obtain the first compression data packet, it will
First compression data packet is transmitted to the Intranet front server.
Specifically, ferry-boat software is installed in Intranet front server, at interval of the first preposition service of nominal time Intranet
Device sends ferry-boat request to Intranet application server by ferry-boat software using Java Socket sockets technology, can be according to need
The customized ferry-boat period is wanted, sets the time interval of nominal time, Java Socket socket is for describing IP address and end
Mouthful, it is the handle of a communication chain, application program issues network request by Java Socket socket and response network is asked
It asks.
Intranet application software is installed, such as the supervision of the Integrated Energy towards energy supervision industry in Intranet application server
Information system, is mainly used for the work such as routine office work and the business approval of each energy supervision agency, and Intranet application software exists
The described first data to be ferried can be generated in use process.Intranet application server is answered after receiving ferry-boat request by Intranet
The first data to be ferried are collected and are packaged with software.Intranet application server also passes through Intranet application software will be received
Second data to be ferried are decompressed and are stored into the database of Intranet application server.
Preferably, the safety isolation network gate includes the first unidirectional gateway, and the first unidirectional gateway is specifically used for:
The connection request that the Intranet front server is sent is received, the communication link with the Intranet front server is established
It connects.
When setting up the communication connection, the described first number to be ferried of the Intranet front server transmission is received
According to.
When receive described first wait ferry data when, disconnect with the communication connection of the Intranet front server, and build
Described first data to be ferried are transmitted to the preposition service of the outer net by the vertical communication connection with the outer net front server
Device.
Specifically, the first unidirectional gateway has cut off the connection of the link layer between network on circuit, is accessed altogether using timesharing
The method enjoyed transmits data from Intranet front server to outer net front server, while guaranteeing data transmission, from physics
Upper isolation Intranet front server and outer net front server, and the first unidirectional gateway only allows data from the preposition service of Intranet
Device is transmitted to outer net front server, is not allowed data to transmit from outer net front server to Intranet front server, can be hindered
Break all potential network intrusions, enhances the anti-attack ability of information network substantially, has effectively guarded against the hair of information leakage
It is raw.
It preferably, further include outer net application server, enabling the data to be ferried in the outer net is the second data to be ferried,
The outer net application server is specifically used for:
It receives the outer net front server to request at interval of the ferry-boat that the second nominal time sent, be asked according to the ferry-boat
It asks and collects second data to be ferried, and the described second data to be ferried are compressed, obtain the second compression data packet, it will
Second compression data packet is transmitted to the outer net front server.
Specifically, ferry-boat software is also installed in outer net front server, at interval of the second preposition clothes of nominal time outer net
Business device sends request of ferrying to outer net application server by ferry-boat software using Java Socket sockets technology, and outer net is answered
With outer net application software, such as the Integrated Energy monitoring information system towards energy supervision industry is also equipped in server, lead
Be used to supervise corresponding business application, data make a report on data acquisition etc., outer net application software can generate in use
Second data to be ferried, the second nominal time can be identical with the first nominal time, can also be different, can be set as needed.
Outer net application server is collected and is beaten to the second data to be ferried by outer net application software after receiving ferry-boat request
Packet.Outer net application server also passes through outer net application software and decompresses the received first data to be ferried and store to number
According in library.
Preferably, the safety isolation network gate includes the second unidirectional gateway, and the second unidirectional gateway is specifically used for:
The connection request that the outer net front server is sent is received, the communication link with the outer net front server is established
It connects.
When setting up the communication connection, the described second number to be ferried of the outer net front server transmission is received
According to.
When receive described second wait ferry data when, disconnect with the communication connection of the outer net front server, and build
Described second data to be ferried are transmitted to the preposition service of the Intranet by the vertical communication connection with the Intranet front server
Device.
Specifically, the second unidirectional gateway has cut off the connection of the link layer between network on circuit, is accessed altogether using timesharing
The method enjoyed transmits data from outer net front server to Intranet front server, while guaranteeing data transmission, from physics
Upper isolation outer net front server and Intranet front server, and the second unidirectional gateway only allows data from the preposition service of outer net
Device is transmitted to Intranet front server, is not allowed data to transmit from Intranet front server to outer net front server, can be hindered
Break all potential network intrusions, enhances the anti-attack ability of information network substantially, has effectively guarded against the hair of information leakage
It is raw.
As shown in figure 3, a kind of intranet and extranet data sharing method provided in an embodiment of the present invention, this method includes following step
It is rapid:
110, when Intranet transmits data to outer net, Intranet front server obtains the data to be ferried in Intranet, and by institute
The data to be ferried stated in Intranet are transmitted to outer net front server by safety isolation network gate.
120, when outer net transmits data to Intranet, outer net front server obtains the data to be ferried in outer net, and by institute
The data to be ferried stated in outer net are transmitted to Intranet front server by safety isolation network gate.
Preferably, enabling the data to be ferried in the Intranet is the first data to be ferried, and the Intranet front server obtains
Take the specific implementation of the data to be ferried in Intranet are as follows:
Intranet application server receives the Intranet front server and requests at interval of the ferry-boat that the first nominal time sent,
First data to be ferried are collected according to ferry-boat request, and the described first data to be ferried are compressed, obtain the
First compression data packet is transmitted to the Intranet front server by one compression data packet.
Preferably, the safety isolation network gate includes the first unidirectional gateway, the data to be ferried by the Intranet
Outer net front server is transmitted to by safety isolation network gate to specifically comprise the following steps:
The first unidirectional gateway receives the connection request that the Intranet front server is sent, before foundation and the Intranet
Set the communication connection of server.
When setting up the communication connection, the described first number to be ferried of the Intranet front server transmission is received
According to.
When receive described first wait ferry data when, disconnect with the communication connection of the Intranet front server, and build
Described first data to be ferried are transmitted to the preposition service of the outer net by the vertical communication connection with the outer net front server
Device.
Preferably, enabling the data to be ferried in the outer net is the second data to be ferried, and the outer net front server obtains
Take the specific implementation of the data to be ferried in outer net are as follows:
Outer net application server receives the outer net front server and requests at interval of the ferry-boat that the second nominal time sent,
Second data to be ferried are collected according to ferry-boat request, and the described second data to be ferried are compressed, obtain the
Second compression data packet is transmitted to the outer net front server by two compression data packets.
Preferably, the safety isolation network gate includes the second unidirectional gateway, the data to be ferried by the outer net
Intranet front server is transmitted to by safety isolation network gate to specifically comprise the following steps:
The second unidirectional gateway receives the connection request that the outer net front server is sent, before foundation and the outer net
Set the communication connection of server.
When setting up the communication connection, the described second number to be ferried of the outer net front server transmission is received
According to.
When receive described second wait ferry data when, disconnect with the communication connection of the outer net front server, and build
Described second data to be ferried are transmitted to the preposition service of the Intranet by the vertical communication connection with the Intranet front server
Device.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of intranet and extranet data-sharing systems, which is characterized in that including Intranet front server, safety isolation network gate and outer net
Front server；
The Intranet front server, for obtaining the data to be ferried in Intranet, and by the data to be ferried in the Intranet
The outer net front server is transmitted to by the safety isolation network gate；
The outer net front server, for obtaining the data to be ferried in outer net, and by the data to be ferried in the outer net
The Intranet front server is transmitted to by the safety isolation network gate.
2. intranet and extranet data-sharing systems according to claim 1, which is characterized in that it further include Intranet application server,
Enabling the data to be ferried in the Intranet is the first data to be ferried, and the Intranet application server is specifically used for:
It receives the Intranet front server to request at interval of the ferry-boat that the first nominal time sent, requests to receive according to the ferry-boat
Collect the described first data to be ferried, and the described first data to be ferried are compressed, obtains the first compression data packet, it will be described
First compression data packet is transmitted to the Intranet front server.
3. intranet and extranet data-sharing systems according to claim 2, which is characterized in that the safety isolation network gate includes the
One unidirectional gateway, the first unidirectional gateway are specifically used for:
The connection request that the Intranet front server is sent is received, the communication connection with the Intranet front server is established；
When setting up the communication connection, the described first data to be ferried of the Intranet front server transmission are received；
When receive described first wait ferry data when, disconnect with the communication connection of the Intranet front server, and establish with
Described first data to be ferried are transmitted to the outer net front server by the communication connection of the outer net front server.
4. intranet and extranet data-sharing systems according to claim 1, which is characterized in that it further include outer net application server,
Enabling the data to be ferried in the outer net is the second data to be ferried, and the outer net application server is specifically used for:
It receives the outer net front server to request at interval of the ferry-boat that the second nominal time sent, requests to receive according to the ferry-boat
Collect the described second data to be ferried, and the described second data to be ferried are compressed, obtains the second compression data packet, it will be described
Second compression data packet is transmitted to the outer net front server.
5. intranet and extranet data-sharing systems according to claim 4, which is characterized in that the safety isolation network gate includes the
Two unidirectional gateways, the second unidirectional gateway are specifically used for:
The connection request that the outer net front server is sent is received, the communication connection with the outer net front server is established；
When setting up the communication connection, the described second data to be ferried of the outer net front server transmission are received；
When receive described second wait ferry data when, disconnect with the communication connection of the outer net front server, and establish with
Described second data to be ferried are transmitted to the Intranet front server by the communication connection of the Intranet front server.
6. a kind of intranet and extranet data sharing method, which is characterized in that described method includes following steps:
When Intranet transmits data to outer net, Intranet front server obtains the data to be ferried in Intranet, and will be in the Intranet
Data to be ferried outer net front server is transmitted to by safety isolation network gate；
When outer net transmits data to Intranet, outer net front server obtains the data to be ferried in outer net, and will be in the outer net
Data to be ferried Intranet front server is transmitted to by safety isolation network gate.
7. intranet and extranet data sharing method according to claim 6, which is characterized in that enable the number to be ferried in the Intranet
According to for the first data to be ferried, the Intranet front server obtains the specific implementation of the data to be ferried in Intranet are as follows:
Intranet application server receives the Intranet front server and requests at interval of the ferry-boat that the first nominal time sent, according to
First data to be ferried are collected in the ferry-boat request, and are compressed to the described first data to be ferried, and the first number is obtained
According to compressed package, first compression data packet is transmitted to the Intranet front server.
8. intranet and extranet data sharing method according to claim 7, which is characterized in that the safety isolation network gate includes the
One unidirectional gateway, the data to be ferried by the Intranet, which are transmitted to outer net front server by safety isolation network gate, to be had
Body includes the following steps:
The first unidirectional gateway receives the connection request that the Intranet front server is sent, and establishes and the preposition clothes of the Intranet
The communication connection of business device；
When setting up the communication connection, the described first data to be ferried of the Intranet front server transmission are received；
When receive described first wait ferry data when, disconnect with the communication connection of the Intranet front server, and establish with
Described first data to be ferried are transmitted to the outer net front server by the communication connection of the outer net front server.
9. intranet and extranet data sharing method according to claim 6, which is characterized in that enable the number to be ferried in the outer net
According to for the second data to be ferried, the outer net front server obtains the specific implementation of the data to be ferried in outer net are as follows:
Outer net application server receives the outer net front server and requests at interval of the ferry-boat that the second nominal time sent, according to
Second data to be ferried are collected in the ferry-boat request, and are compressed to the described second data to be ferried, and the second number is obtained
According to compressed package, second compression data packet is transmitted to the outer net front server.
10. intranet and extranet data sharing method according to claim 9, which is characterized in that the safety isolation network gate includes
Second unidirectional gateway, the data to be ferried by the outer net are transmitted to Intranet front server by safety isolation network gate
Specifically comprise the following steps:
The second unidirectional gateway receives the connection request that the outer net front server is sent, and establishes and the preposition clothes of the outer net
The communication connection of business device；
When setting up the communication connection, the described second data to be ferried of the outer net front server transmission are received；
When receive described second wait ferry data when, disconnect with the communication connection of the outer net front server, and establish with
Described second data to be ferried are transmitted to the Intranet front server by the communication connection of the Intranet front server.
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| CN110365516A (en) * | 2019-05-30 | 2019-10-22 | 青岛海信网络科技股份有限公司 | A kind of localization method and device |
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| CN113032354A (en) * | 2021-03-31 | 2021-06-25 | 广东电网有限责任公司 | Data sharing and real-time high-frequency interaction method between internal and external network applications |
| CN113194129A (en) * | 2021-04-22 | 2021-07-30 | 山东浪潮通软信息科技有限公司 | Data ferrying method, equipment and medium |
| CN113342845A (en) * | 2021-06-23 | 2021-09-03 | 乐刷科技有限公司 | Data synchronization method, computer device and readable storage medium |
| CN113342845B (en) * | 2021-06-23 | 2024-02-20 | 乐刷科技有限公司 | Data synchronization method, computer device and readable storage medium |
| CN114283907A (en) * | 2021-12-22 | 2022-04-05 | 中国人民解放军总医院 | Follow-up data sharing method and system |
| CN116032948A (en) * | 2023-02-21 | 2023-04-28 | 苏州阿基米德网络科技有限公司 | Hospital intranet and extranet data synchronization method, system and electronic equipment |
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Application publication date: 20190528 |