A data transmission system based on multiple heterogeneous unidirectional transmission channels
A technology of data transmission system and transmission channel, applied in the direction of digital transmission system, transmission system, security communication device, etc., can solve the problems of complicated design of transmission channel and transmission protocol, improve data transmission rate and reliability, and complete the system system. , the effect of a good secondary development interface
Active Publication Date: 2018-09-14
中国航天系统科学与工程研究院
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Problems solved by technology
This method needs to provide an optical splitter loopback line, and the transmission mechanism is realized by FPGA. Due to the existence of the loopback line, the design of the transmission channel and transmission protocol is complicated
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Embodiment Construction
[0057] Such as figure 1 As shown, the present invention proposes a data transmission system based on multi-channel heterogeneous unidirectional transmission channels, including a sending end and a receiving end, both of which are implemented by a five-layer architecture, and the five-layer architecture includes a management layer, Service layer, scheduling layer, link layer and transmission channel layer. The transmission channel layer includes a sending-end control unit, a multi-channel heterogeneous one-way non-feedback transmission channel and a receiving-end control unit.
[0058] Sending-side management layer: used to configure transmission policies, manage various one-way non-feedback transmission channels, authenticate system visitors, conduct security audits on important operational behaviors, and monitor transmission tasks and transmission channels.
[0059] The management layer of the sending end includes five modules: transmission policy configuration, transmission...
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The invention provides a data transmission system based on a multipath heterogeneous one-way transmission channel. The system comprises a sending end and a receiving end, both of the sending end and the receiving end are realized by adopting five-layer system architecture, the five-layer system architecture comprises a management layer, a service layer, a scheduling layer, a link layer and a transmission channel layer, and the transmission channel layer comprises a sending end control unit, a multipath one-way non-feedback transmission channel and a receiving end control unit. The algorithm provided by the invention does not depend on specific hardware technology, is applicable to all kinds of heterogeneous one-way transmission channels, can dynamically adjust the number of the transmission channels, has flexible expansibility and wide adaptability, can realize multichannel data one-way transmission and meets the needs of real-time data transmission, in the case of a fault of the transmission channel, the transmitter and the receiver can timely discover and remove the problems in time to ensure the transmission reliability.
Description
technical field [0001] The invention relates to a data transmission system based on multi-channel heterogeneous unidirectional transmission channels, and belongs to the technical field of information security transmission. Background technique [0002] With the continuous development of informatization construction and security and confidentiality construction, there is a strong demand for one-way data transmission from unclassified networks to classified networks. At present, the commonly used solution is to ensure the one-way transmission of data through one-way isolation gatekeepers. Although the one-way isolation gatekeeper solves the problem of strict one-way transmission of data, its one-way transmission method is limited by the fixed bandwidth, which cannot meet the real-time transmission requirements of large data. When the channel fails, the sending and receiving parties cannot find and eliminate the problem in time, and the transmission reliability cannot be guaran...
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IPC IPC(8): H04L9/06H04L29/06H04L1/00
CPCH04L1/0061H04L1/0071H04L9/0643H04L63/0442H04L63/08
Inventor 薛惠锋刘瑞胡泉杨越佟轶顾升高李雪巍孙运乾占敏张博孙毅方
Owner 中国航天系统科学与工程研究院