Method and device used for one-way transmission of data

A one-way transmission and data technology, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problems of data packet retransmission, missing transmission, failure to establish normal communication, etc., and achieve the effect of reliable one-way transmission

Inactive Publication Date: 2010-11-17
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] An object of the present invention is to provide a device for one-way transmission of data, so as to solve the problem that normal communication cannot be

Method used

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  • Method and device used for one-way transmission of data
  • Method and device used for one-way transmission of data
  • Method and device used for one-way transmission of data

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Embodiment Construction

[0051] Specific embodiments of the present invention will be described in detail below. It should be noted that the embodiments described here are for illustration only, and are not intended to limit the present invention.

[0052] The idea of ​​the present invention is to use a device capable of receiving high-density network data to transmit data unidirectionally to a receiving device in a low-density network, and simultaneously monitor the network connection status and the working status of the receiving device, so that according to the network connection status and / or the receiving device The working status of the device determines whether the device at the transmitting end stops and / or resends the data to the receiving device.

[0053] In order to realize the above inventive concept, the data one-way transmission device of the present invention, such as figure 1 and 2 As shown, it includes: a link survival monitoring device (hereinafter referred to as the monitoring dev...

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Abstract

The invention discloses a device used for one-way transmission of data. The device comprises a first network adapter, a second network adapter, a first transmission network cable, a network device and a monitoring device, wherein the first network adapter is arranged on transmitting equipment; the second network adapter is arranged on receiving equipment; the first transmission network cable is used for connecting the first network adapter and the second network adapter; the network device is used for informing the transmitting equipment of the network connection state and/or the working state of the receiving equipment to ensure that the transmitting equipment can decide whether to stop sending data or retransmit the data; the monitoring device is used for monitoring the network connection state and/or the working state of the receiving equipment in real time, and controlling a network device to inform the transmitting equipment according to the acquired working state signals; and the first transmission network cable only transmits the data sent from the transmitting equipment to the receiving equipment. The device realizes the reliable one-way transmission of the data between different classification networks, ensures that the transmitted data cannot be repeated and lost, and meats the requirements on data transmission and only one data transmission.

Description

technical field [0001] The invention relates to network data transmission, in particular to a method and device for one-way data transmission. Background technique [0002] With the development of the Internet, most companies and government departments in my country have their own internal networks. These internal networks involve commercial secrets or government information. connect. Because these companies and government departments are also connected to external public information networks to obtain the required data and files, and there are no effective security and confidentiality protection measures between many internal networks and external public information networks, which will lead to hacker attacks and intrusions. internal network, resulting in the leakage of confidential information. [0003] In order to ensure the safe operation of secret-related networks, it is an effective security measure to implement physical isolation between secret-related networks and p...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L12/26
Inventor 刘宝旭谢渤齐阿芳
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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