Data transmission method and data transmission system for physical isolation network

A data transmission method and physical isolation technology, which are applied in the field of safe and efficient data transmission methods and data transmission systems, can solve problems such as restricting the reliability and security of data transmission, and cannot meet the needs of massive data transmission, so as to improve the ease of operation, The effect of reducing equipment power consumption and improving reliability

CN105847290APending Publication Date: 2016-08-10JIANGSU FEIBO SOFTWARE TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2016-08-10

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Abstract

The invention provides a data transmission system. The system comprises a front-end subsystem, an imaging device, a photographing device and a post subsystem. The front-end subsystem is used for receiving original service data to be sent by an intranet customer service system through a data interface, splitting the service data into multiple data streams, encrypting the split data streams, and converting the data streams pattern information which can be displayed. The imaging device is used for displaying the pattern information. The photographing device is used for photographing a pattern on the imaging device. The post subsystem is used for receiving the pattern sent by the photographing device, decoding and converting the pattern into data streams, decrypting, merging and reorganizing the data streams to form the original service data, and sending the data to an extranet service network system through the data interface. Through the data transmission system, the data can be safely, efficiently and reliably transmitted between domains of different security levels.
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Description

technical field

[0001] The invention relates to the field of network technology and information security, in particular to a safe and efficient data transmission method and data transmission system based on different network domains. Background technique

[0002] With the rapid popularization and development of the Internet, network information security threats have received increasing attention from relevant enterprises and government departments. Efficient and secure data transmission between network domains with different security levels has become an urgent need for important secret-related departments such as the government, military industry, and finance. Due to the high level of internal network security built by sensitive industry departments, data often needs to be transmitted across network domains to achieve information sharing between different industries and departments. In the existing technology, the network firewall technology has been unable to fully cope w...

Examples

Embodiment Construction

[0025] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0026] see Figure 1 to Figure 5 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arb...