CN114422596B - Cross-domain data sharing method and system based on data subject - Google Patents
Cross-domain data sharing method and system based on data subject Download PDFInfo
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Abstract
The invention belongs to the technical field of data sharing, and particularly relates to a cross-domain data sharing method. The technical scheme is a cross-domain data sharing method based on a data theme, which is characterized by comprising the following steps: the method comprises the steps of providing a decentralized design idea and a design mode, determining and sharing local data theme information of each business system of the same business network according to the requirement of a data theme directory, forming a whole network data theme directory with a data theme, a data name, a data format and a data address as structures, independently operating and maintaining the whole network data theme directory, inquiring the whole network data theme directory to obtain the data address of the business system corresponding to required data, and obtaining the theme data of the corresponding business system through the data address. The method adopts a decentralized mode to improve the robustness and agility of cross-domain data sharing of the multi-service system and enhance the data tamper-proof capability.
Description
Technical Field
The invention belongs to the technical field of data sharing, and particularly relates to a cross-domain data sharing method.
Background
In the field of military information, due to different service directions and different user groups, a plurality of mutually independent service systems exist, data sharing is difficult to achieve, a chimney phenomenon is caused, and cross-domain data sharing among different service systems is required to be achieved along with the requirements of military digital construction promotion and digital fusion of various service systems and the military purpose of future multi-domain combined operation. The current limitations are:
at present, the data center is mainly built, and the data of each service system is collected, converged and fused, so that the cross-domain data sharing of a multi-service system is realized, and the chimney phenomenon is broken; the construction, use and maintenance of the data center need to invest a large amount of resources, meanwhile, a centralized data sharing mode is easy to attack, stability and reliability are reduced, defense capability for data tampering is not strong, and the data center has high difficulty and long time consumption in fusion processing of multi-source heterogeneous data of each business system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cross-domain data sharing method based on a data theme, so that the aim of realizing chimney-removing data sharing by a cross-domain service system in a heterogeneous network environment without adopting a data center is fulfilled.
In order to achieve the above purpose, the invention idea is as follows: based on the main solution that the chimney removal and cross-domain data sharing of each business system are realized, a data center is established, the problems that the data center is easy to attack, the data tamper resistance is poor, the multi-source data fusion difficulty is high and the like exist, a design idea and a design mode based on the decentralization are provided, local data subject information of each business system is determined and shared according to the requirement of a data subject directory, and on the basis, the business systems respectively establish, use and maintain a consistent whole network data subject directory, so that the decentralization cross-domain data sharing is realized.
The technical scheme is as follows:
a cross-domain data sharing method based on data topics is characterized in that: respectively proposing requirements for data themes to all service systems of the same service network, forming local data theme requirements with the data themes, data names and data formats as structures, and sharing the local data theme requirements in the service network; each business system respectively fuses local data topic requirements of the whole business system to form data topic catalog requirements; each business system acquires the state of own related data according to the data topic catalog requirement, and increases the data address of the business system to form and release the local data topic information of the business system; each service system respectively fuses local data topic information of the whole service system to form a whole network data topic catalog which takes a data topic, a data name, a data format and a data address as structures; each service system independently operates and maintains the whole network data topic catalog, the whole network data topic catalog is inquired to obtain the data address of the service system corresponding to the required data, and the topic data of the corresponding service system is obtained through the data address.
Furthermore, the data topic catalog requirement and the whole network data topic catalog are used after being confirmed to be consistent by all service systems of the whole network.
Furthermore, each business system monitors the local data state and shares the conditions affecting the whole network data topic catalog, thereby realizing the iteration of the whole network data topic catalog.
Further, the method performs the steps of:
s01, each service system puts forward and shares the local data theme demand to form the data theme catalog demand
The business systems respectively put forward the requirements of the system on the data theme to form data theme directory requirements (explaining that the requirements are put forward according to the actual requirements of self business on data sharing and simultaneously considering the business functions of other business systems in the business network, popular saying is what is needed by self, what other people possibly can meet, and the data theme directory requirements are obtained by sharing data which the same people possibly can meet by self) and share in the business network, and the business systems respectively fuse the received requirements of the business systems on the data theme to form the data theme directory requirements, which comprise the data theme, the data name and the data format;
Further, the data topic catalog requirement is confirmed by all the service systems together.
S02, each service system obtains the data state information according to the data topic catalog demand, forms the local data topic information and publishes it
Each business system acquires own related data state information according to the data topic directory requirement to form local data topic information which comprises a data topic, a data name, a data format and a data address, and the local data topic information is issued to each business system;
s03, each service system independently performs data topic information fusion to realize decentralized construction of whole network data topic catalog
And each business system fuses local data topic information of the whole business system respectively to form a whole network data topic catalog taking a data topic, a data name, a data format and a data address as structures, and operates and maintains the whole network data topic catalog independently.
Further, in order to improve the tamper resistance of the data topic catalog, the method further includes step S03-1 of confirming the obtained whole network data topic catalog
S03-1, each service system shares the generated whole network data theme directory in the whole service network, each service system compares and verifies the consistency of the obtained whole network data theme directories generated by all the service systems, whether the whole network data theme directories generated by each service system are consistent or not is judged, decentralized independent verification is realized, and therefore the anti-tampering capability of the whole network data theme directory is improved.
S04 data topic access of the whole network data topic catalog support service system to realize decentralized cross-domain data sharing
Each service system initiates a data topic access request according to service requirements, and acquires a data source address by inquiring a whole network data topic directory of local operation and maintenance; and initiating a data subject access request to the data source service system according to the acquired data source address, acquiring corresponding subject data by the data source service system according to the subject access request, and returning the subject data to the service system initiating the data subject access request, thereby realizing decentralized cross-domain data sharing of each service system.
Further, step S05 is further included, where each business system performs data topic state monitoring, and supports the whole network data topic catalog iteration: each business system monitors local data topic information related to the whole network data topic catalog, shares data topic events influencing the whole network data topic catalog among the business systems, and is used for iterating the whole network data topic catalog.
A cross-domain data sharing system based on a data theme is characterized by comprising a data theme directory operation and maintenance module (1), a data transmission module (2), a data theme publishing module (3), a data analysis module (4), a data theme directory fusion module (5), a fusion check judgment module (6), a data theme access module (7), a data theme response module (8) and a data theme monitoring module (9), wherein all the modules are completely deployed in each business system needing data sharing respectively, and data transmission and data sharing are realized based on network connection of each business system; wherein:
The data topic catalog operation and maintenance module (1) has the functions as follows: the data topic catalog operation and maintenance module (1) has the functions as follows: the system is used for forming local data theme requirements according to the requirements of the system on the data themes, fusing the received local data theme requirements of the service systems and forming data theme directory requirements; sharing the data topic catalog requirement in each service system to form a whole network data topic catalog, carrying out consistency confirmation by each service system together, and sharing the confirmation result;
the data transmission module (2) has the functions of: the method comprises the steps of realizing transmission of local data theme requirements, data theme directory requirements, consistency confirmation results, local data theme information, whole network data theme directories, data theme access requests, theme data, consistency check results and data theme events influencing the whole network data theme directories of all service systems among all service systems in a service network, and setting network topology relations and network addresses among the service systems in a mode of supporting an interface and configuration files to serve as a transmission tool for data sharing;
the data topic publishing module (3) has the functions of: according to the requirement of the data topic catalog on the data topic catalog by the data topic catalog operation and maintenance module (1), acquiring the local data state of the business system related to the data topic catalog requirement through the data analysis module (4), forming local data topic information, and issuing the local data topic information to the data transmission module (2) and the data topic catalog fusion module (5);
The data analysis module (4) has the functions of: the JSON format is used as a data transmission format for cross-domain data sharing, mutual analysis between a data format and a data transmission format of a service system is provided, and the JSON format is used for transmitting data subject directory requirements, local data states, data subject access requests and subject data between a service system and a data subject directory operation and maintenance module (1), a data subject access module (7) and a data subject response module (8) which are deployed by the service system;
the data topic directory fusion module (5) has the functions of: fusing the received local data topic information of each service system in the service network according to the topic type to generate a whole network data topic catalog taking a data topic, a data name, a data format and a data address as structures;
the data topic access module (7) has the functions of: initiating a data theme access request, acquiring a data source address by inquiring a whole network data theme directory, accessing a data theme response module (8) deployed by a data source service system through a data transmission module (2), receiving returned theme data, and analyzing the returned theme data into a local data format through a data analysis module (4);
The data topic response module (8) has the functions of: and receiving data subject access to the service system, inquiring a source service system database to obtain corresponding subject data, converting the subject data into a data transmission format through a data analysis module (4), and returning the subject data to an access initiator through a data transmission module (2).
Further, a cross-domain data sharing system based on data topics is characterized by further comprising: and the fusion check judging module (6) has the functions of sharing the locally generated whole network data theme catalogue among all the service systems, carrying out consistency comparison check on the whole network data theme catalogue generated by fusing all the service systems, judging whether the whole network data theme catalogue is consistent or not, and sharing the consistency check result among all the service systems through the data transmission module (2).
Further, a cross-domain data sharing system based on data topics is characterized by further comprising: a data topic monitoring module (9) whose function is: the data transmission module (2) is used for monitoring the data related to the whole network data subject catalog of each business system, and for the data subject events which affect the whole network data subject catalog, such as addition and deletion of subject related data, the data transmission module (2) is used for realizing the transmission and the reception among all the business systems and used as the basis for iterating the whole network data subject catalog.
The invention has the following advantages: the method comprises the steps that local data theme information is shared by all service systems, a uniform data transmission format is formulated, the fact that all service systems are decentralized and respectively establish a consistent whole network data theme catalogue is achieved, consistency comparison and verification are respectively conducted, the fact that all service systems independently maintain and access the consistent whole network data theme catalogue is achieved, all service systems obtain data source addresses through accessing the whole network data theme catalogue maintained by the service systems, accordingly, corresponding service systems are accessed, cross-domain data sharing is achieved, and the method can also be achieved as backup of a data center sharing function. The decentralized mode can improve the robustness and agility of cross-domain data sharing of the multi-service system and enhance the data tamper-proof capability.
Drawings
FIG. 1 is a schematic flow chart of a cross-domain data sharing method based on data topics.
FIG. 2 is a schematic diagram of a data topic catalog requirement generation process.
FIG. 3 is a schematic diagram of a process for generating a topic catalog of the whole network data.
FIG. 4 is a schematic diagram of a cross-domain data access sharing process based on data topics.
FIG. 5 is a schematic diagram of a data topic state monitoring process.
Detailed Description
The technical scheme of the invention is further specifically described with reference to the accompanying drawings and specific embodiments.
The following is a more detailed description of the embodiments of the present invention, which is not limited to the description of the embodiments below, in conjunction with the drawings. The present invention is not limited to the description of the following examples.
Example 1:
in this embodiment, 3 service systems (service system 1, service system 2, and service system 3) in the same service network implement cross-domain data sharing by using the cross-domain data sharing method based on the data topic provided by the present invention. The cross-domain data sharing system based on the data subject constructed by the invention is respectively and completely deployed in 3 service systems. The invention discloses a cross-domain data sharing system based on a data theme, which comprises a data theme catalog operation and maintenance module (1), a data transmission module (2), a data theme publishing module (3), a data analysis module (4), a data theme catalog fusion module (5), a fusion check judgment module (6), a data theme access module (7), a data theme response module (8) and a data theme monitoring module (9).
Each service system puts forward the requirements of the system on the data topics, and the service networks share and fuse to generate the data topic catalog requirements; each business system acquires the relevant data state information of the system according to the data topic directory requirement, forms local data topic information and releases the local data topic information;
Each business system respectively puts forward the requirements for the data topics and shares the data topics, and the data topic catalog requirements are formed through each business system and are collectively confirmed; each business system acquires a relevant data state owned by the business system according to the data topic directory requirement, forms local data topic information and issues the local data topic information; for local data topic information shared by service systems, each service system independently performs data topic information fusion according to data topic types, and decentralizes to form a consistent whole network data topic catalog taking a data topic, a data name, a data format and a data address as structures; each service system independently operates and maintains a data whole-network theme directory, and a target data address is obtained by accessing the data whole-network theme directory, so that a data source service system is accessed to obtain theme data; and each service system monitors the local data state and shares the conditions influencing the whole network data topic catalog, thereby carrying out iteration on the whole network data topic catalog.
Fig. 1 shows a flow of a method for realizing cross-domain data sharing by 3 service systems, and the embodiment describes the method and system module provided by the invention in detail according to the steps executed by combining the method of the invention.
Each business system puts forward local data theme demand and shares the local data theme demand to form data theme catalog demand
Each business system puts forward the requirements of the system on the data theme and shares the data theme in the business network according to the business requirements of the business system and the business function range of other business systems, and each business system fuses the received requirements of each business system on the data theme to form a data theme catalog requirement which comprises the data theme, the data name and the data format;
and the data subject directory requirement is confirmed by all the service systems together.
A schematic diagram of a data topic catalog requirement generation process is shown in fig. 2, a business system 1, a business system 2 and a business system 3 respectively draw up requirements of the system for data topics according to a deployed data topic catalog operation and maintenance module (1), wherein the requirements comprise data topics, data names and data formats; sharing is carried out through the data transmission module (2), so that each business system obtains the local data theme requirements of 3 business systems, and the received requirements of each business system on the data theme are fused to form a data theme directory requirement which comprises a data theme, a data name and a data format;
In order to improve the tamper resistance of the data topic catalog, each business system respectively shares and checks the consistency of the data topic catalog requirements generated by fusion.
Each service system acquires the relevant data state information of the system according to the data topic catalog requirement, forms local data topic information and issues the local data topic information
And each service system acquires own related data state information according to the data topic directory requirement to form local data topic information which comprises a data topic, a data name, a data format and a data address, and the local data topic information is issued to each service system.
A schematic diagram of a whole network data topic catalog generation process is shown in fig. 3, a data topic publishing module (3) deployed by a service system 1 analyzes a data topic catalog requirement into a data format of the service system 1 through a data analyzing module (4) according to the data topic catalog requirement provided by a data topic catalog operation and maintenance module (1), and sends the data format to a database of the service system 1 to obtain local data state information related to the data topic catalog requirement of the service system 1; returning to the data topic publishing module (3) through the data analysis module (4) to form local data topic information (at the moment, the address of the service system 1 is added to the data topic catalog requirement on the related topic information of the service system 1), and sending the local data topic information to a data topic catalog fusion module (5) deployed by the service system 1; local data topic information is shared to a data topic catalog fusion module (5) deployed by a service system 2 and a service system 3 through a data transmission module (2); the business system 2 and the business system 3 also form local data theme information by adopting the method, and share the local data theme information among the data theme directory fusion modules (5) of the 3 business systems, so that each business system has the local data theme information of the 3 business systems.
And each service system independently performs data topic information fusion to realize decentralized construction of a whole network data topic directory.
And each service system performs information fusion on the obtained local theme information of each service system in the service network according to the data theme type, so as to realize decentralized formation of a whole network data theme directory taking the data theme, the data name, the data format and the data address as structures.
As shown in a schematic diagram of a process for generating a whole-network data topic catalog in fig. 3, a data topic catalog fusion module (5) deployed by a service system 1 fuses all local data topic information of 3 service systems according to topic types, independently generates a whole-network data topic catalog with a data topic, a data name, a data format and a data address as structures, and each service system independently operates and maintains the whole-network data topic catalog. The address of the formed whole network data topic catalog to the source service system of each data topic is used as the unique identification of the data, thereby realizing the generation purpose of the decentralized whole network data topic catalog.
Further, in order to improve the tamper resistance of the whole network data subject catalog, the method further includes step S03-1 of confirming the obtained whole network data subject catalog
All the service systems share the generated whole network data theme catalog in the whole service network, all the service systems carry out consistency comparison and verification on the obtained whole network data theme catalogs generated by all the service systems, whether the whole network data theme catalogs generated by all the service systems are consistent or not is judged, decentralized independent verification is realized, and therefore the anti-tampering capability of the whole network data theme catalog is improved.
As shown in a schematic diagram of a generation process of a whole network data topic directory shown in fig. 3, a data topic directory fusion module (5) deployed in a service system 1 sends a generated whole network data topic directory to a fusion check judgment module (6), and the fusion check judgment module (6) is shared to the fusion check judgment modules (6) of the service system 2 and the service system 3 through a data transmission module (2); the business system 2 and the business system 3 also share the respective generated whole network data topic directories among the 3 business systems by adopting the mode, so that the fusion verification judgment module (6) of each business system has the respective generated whole network data topic directories of the 3 systems. And a fusion check judging module (6) deployed by each service system carries out consistency comparison check on all the whole network data theme catalogues, judges whether the contained data themes, data names, data formats and data addresses are consistent or not, and shares the consistency check result judging result among the 3 service systems through the data transmission module (2). If the inconsistency exists, analyzing and solving the problem; and only when the whole network data topic directories are consistent, the whole network data topic directories are used when being shared by all service system data. The step realizes decentralized independent verification, improves the tamper resistance of the whole network data subject catalog, and also improves the tamper resistance of cross-domain data sharing.
Data topic access of data topic catalog support service system to realize decentralized cross-domain data sharing
Each service system initiates a data topic access request according to service requirements, and acquires a data source address by inquiring a whole network data topic directory of local operation and maintenance; and initiating a data subject access request to the data source service system according to the acquired data source address, acquiring corresponding subject data by the data source service system according to the subject access request, and returning the data to the subject of the service system initiating the data subject access request, thereby realizing decentralized cross-domain data sharing of each service system.
The cross-domain data access sharing process based on the data topic is shown in fig. 4. The service system 1 initiates a data theme access request according to the service requirement of the service system and sends the data theme access request to a data theme access module (7) through a deployed data analysis module (4); the data topic access module (7) queries the whole network data topic catalog operated and maintained by the data topic catalog operation and maintenance module (1), acquires a data source address, and initiates a data topic access request to the data source service system 2 through the data transmission module (2); the data subject response module (8) of the service system 2 queries a service system database according to the subject access request to obtain corresponding subject data, the subject data is converted into a data transmission format through the data analysis module (4), the data transmission format is returned to the data subject access module (7) of the service system 1 through the data transmission module (2), the data format of the service system 1 is analyzed through the data analysis module (4) of the service system 1 and is sent to the database of the service system 1, and therefore the service system 1 can obtain related data from the service system 2 based on the local operation and maintenance whole network data subject directory. The data interaction among the service system 1, the service system 2 and the service system 3 can adopt the mode, thereby realizing decentralized cross-domain data sharing.
Further, step S05 is performed to monitor the status of the data topic and support the data topic catalog iteration of the whole network
And each business system monitors the local data condition related to the whole network data topic catalog, shares data topic events influencing the whole network data topic catalog among the business systems and is used for iterating the whole network data topic catalog.
As shown in a schematic diagram of a data topic state monitoring process shown in fig. 5, a data topic monitoring module (9) deployed in the service system 1 acquires, according to local data topic information of the service system 1 included in a whole network data topic catalog provided by the data topic catalog operation and maintenance module (1), a local data state related to the local data topic information from a database of the service system 1 through a data analysis module (4), so as to monitor the local data state; for data topic events affecting the whole network data topic catalog such as addition and deletion of local related data, sharing between the data topic monitoring modules (9) deployed by the service system 2 and the service system 3 is realized through the data transmission module (2) and is used as a basis for iterating the whole network data topic catalog. The business system 2 and the business system 3 also adopt the mode to realize the sharing of the data theme events influencing the whole network data theme catalogue among all the business systems, thereby realizing decentralized data theme monitoring.
Claims (8)
1. A cross-domain data sharing method based on data topics is characterized in that: respectively proposing requirements for data themes to all service systems of the same service network, forming local data theme requirements with the data themes, data names and data formats as structures, and sharing the local data theme requirements in the service network; each business system respectively fuses local data topic requirements of the whole business system to form data topic catalog requirements; each business system acquires the state of own related data according to the data topic catalog requirement, and increases the data address of the business system to form and release the local data topic information of the business system; each business system respectively fuses local data topic information of the whole business system to form a whole network data topic catalog which takes a data topic, a data name, a data format and a data address as structures; each service system independently operates and maintains a whole network data topic catalog, the whole network data topic catalog is inquired to obtain a data address of a service system corresponding to required data, and the topic data of the corresponding service system is obtained through the data address; the method comprises the following steps:
s01, each service system puts forward and shares the local data theme demand to form the data theme catalog demand
Each business system respectively provides the local data theme demand formed by the system on the data theme and shares the local data theme demand in a business network, and each business system respectively fuses the received data theme demand of each business system to form a data theme catalog demand which comprises a data theme, a data name and a data format;
s02, each service system obtains the data state information according to the data topic catalog demand, forms the local data topic information and publishes it
Each business system acquires own related data state information according to the data topic directory requirement to form local data topic information which comprises a data topic, a data name, a data format and a data address, and the local data topic information is issued to each business system;
s03, each service system independently performs data topic information fusion to realize decentralized construction of whole network data topic catalog
Each business system fuses local data topic information of the whole business system respectively to form a whole network data topic catalog taking a data topic, a data name, a data format and a data address as structures, and each business system operates and maintains the whole network data topic catalog independently;
S04 data topic access of the whole network data topic catalog support service system to realize decentralized cross-domain data sharing
Each service system initiates a data topic access request according to service requirements, and acquires a data source address by inquiring a whole network data topic directory of local operation and maintenance; and initiating a data subject access request to the data source service system according to the acquired data source address, acquiring corresponding subject data by the data source service system according to the subject access request, and returning the subject data to the service system initiating the data subject access request, thereby realizing decentralized cross-domain data sharing of each service system.
2. The method for cross-domain data sharing based on data topics as claimed in claim 1, wherein: and the data topic catalog requirement or/and the whole network data topic catalog are used after being confirmed to be consistent by all service systems of the whole network.
3. The method for cross-domain data sharing based on data topics as claimed in claim 1, wherein: and each service system monitors the local data state and shares the conditions influencing the whole network data topic catalog, thereby realizing the iteration of the whole network data topic catalog.
4. The method for cross-domain data sharing based on data topics as claimed in claim 1, wherein: in order to improve the tamper-proof capability of the data topic catalog, the step S03 further includes a step S03-1 of confirming the obtained whole network data topic catalog: all the service systems share the generated whole network data theme catalogue in the whole service network, all the service systems compare and verify the consistency of the obtained whole network data theme catalogs generated by all the service systems, and judge whether the whole network data theme catalogs generated by all the service systems are consistent or not, so that decentralized independent verification is realized, and the anti-tampering capability of the whole network data theme catalogs is improved.
5. The method for cross-domain data sharing based on data topics as claimed in claim 1, wherein: step S05, each service system monitors the data topic state and supports the iteration of the whole network data topic catalog: each business system monitors local data topic information related to the whole network data topic catalog, shares data topic events influencing the whole network data topic catalog among the business systems, and is used for iterating the whole network data topic catalog.
6. A cross-domain data sharing system based on a data theme is characterized by comprising a data theme directory operation and maintenance module (1), a data transmission module (2), a data theme publishing module (3), a data analysis module (4), a data theme directory fusion module (5), a data theme access module (7) and a data theme response module (8), wherein all the modules are completely deployed in each business system needing data sharing respectively, and data transmission and data sharing are realized based on network connection of each business system; wherein:
The data topic catalog operation and maintenance module (1) has the functions as follows: the system is used for forming local data theme requirements according to the requirements of the system on data themes, and fusing the received local data theme requirements of the service systems to form data theme catalog requirements; sharing the data theme catalog requirement in each business system to form a whole network data theme catalog, carrying out consistency confirmation by each business system together, and sharing the confirmation result;
the data transmission module (2) has the functions of: the method comprises the steps of realizing transmission of local data theme requirements, data theme directory requirements, consistency confirmation results, local data theme information, whole network data theme directories, data theme access requests, theme data, consistency check results and data theme events influencing the whole network data theme directories of all service systems among all service systems in a service network, supporting an interface and a configuration file to set a network topology relationship and a network address among the service systems, and using the network topology relationship and the network address as a transmission tool for data sharing;
the data topic publishing module (3) has the functions of: according to the requirement of the data topic catalog operation and maintenance module (1) on the data topic catalog, a data analysis module (4) is used for acquiring the local data state of a service system related to the data topic catalog requirement and forming local data topic information, and the local data topic information is released to a data transmission module (2) and a data topic catalog fusion module (5);
The data analysis module (4) has the functions of: the JSON format is used as a data transmission format for cross-domain data sharing, mutual analysis between a data format and a data transmission format of a service system is provided, and the JSON format is used for transmitting data subject directory requirements, local data states, data subject access requests and subject data between a service system and a data subject directory operation and maintenance module (1), a data subject access module (7) and a data subject response module (8) which are deployed by the service system;
the data topic catalog fusion module (5) has the functions of: fusing the received local data topic information of each service system in the service network according to the topic type to generate a whole network data topic catalog taking a data topic, a data name, a data format and a data address as structures;
the data theme access module (7) has the functions of: initiating a data theme access request, acquiring a data source address by inquiring a whole network data theme directory, accessing a data theme response module (8) deployed by a data source service system through a data transmission module (2), receiving returned theme data, and analyzing the returned theme data into a local data format through a data analysis module (4);
The data topic response module (8) has the functions of: receiving data topic access to the service system, inquiring a source service system database to obtain corresponding topic data, converting the topic data into a data transmission format through a data analysis module (4), and returning the topic data to an access initiator through a data transmission module (2).
7. The data topic-based cross-domain data sharing system of claim 6 further comprising: and the fusion check judging module (6) has the functions of sharing the locally generated whole network data theme catalogue among all the service systems, carrying out consistency comparison check on the whole network data theme catalogue generated by fusing all the service systems, judging whether the whole network data theme catalogue is consistent or not, and sharing the consistency check result among all the service systems through the data transmission module (2).
8. The data topic-based cross-domain data sharing system of claim 6 further comprising: a data topic monitoring module (9) whose function is: the data transmission module (2) is used for monitoring the data conditions related to the whole network data topic catalog of each business system, and for the data topic events affecting the whole network data topic catalog when the topic related data is added or deleted, the data transmission module realizes the transmission and the reception among all the business systems and is used as the basis for iterating the whole network data topic catalog.
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| CN111885196A (en) * | 2020-07-31 | 2020-11-03 | 支付宝(杭州)信息技术有限公司 | Method, device and system for accessing equipment data of Internet of things cloud platform |
| CN112784230A (en) * | 2021-01-21 | 2021-05-11 | 北京启明星辰信息安全技术有限公司 | Network security data sharing and control method and system |
| CN113507360A (en) * | 2021-06-26 | 2021-10-15 | 暨南大学 | System and method for exchanging and sharing scientific and technological big data based on block chain |
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| CN111885196A (en) * | 2020-07-31 | 2020-11-03 | 支付宝(杭州)信息技术有限公司 | Method, device and system for accessing equipment data of Internet of things cloud platform |
| CN112784230A (en) * | 2021-01-21 | 2021-05-11 | 北京启明星辰信息安全技术有限公司 | Network security data sharing and control method and system |
| CN113507360A (en) * | 2021-06-26 | 2021-10-15 | 暨南大学 | System and method for exchanging and sharing scientific and technological big data based on block chain |
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