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Data transmission method and electronic equipment

A data transmission method and data block technology, which are applied in the field of data transmission methods and electronic devices, can solve the problems of inability to flexibly process application protocols with high concurrency, poor results, and cumbersome processing procedures, so as to reduce memory processing load and processing time. The effect of saving memory and improving overall efficiency

Pending Publication Date: 2021-03-02
BEIJING TOPSEC NETWORK SECURITY TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the defects of this technology are also very obvious, including the inability to process application protocols flexibly and concurrently, and process application protocols in the TCP / IP protocol stack, especially when multiple interactions of the protocol are involved or the data to be transmitted needs to be selectively selected. In the case of modification, the processing process is cumbersome, the technical cost is extremely high, and the effect is not good
In addition, when the internal terminal receives the data and reconstructs it, it cannot judge whether the data is correct or not.

Method used

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  • Data transmission method and electronic equipment
  • Data transmission method and electronic equipment
  • Data transmission method and electronic equipment

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Embodiment Construction

[0060] Below, specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings, but they are not intended to limit the present invention.

[0061]It should be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the following description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the disclosure.

[0062] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and, together with the general description of the disclosure given above and the detailed description of the embodiments given below, serve to explain the embodiments of the disclosure. principle.

[0063] These and other characteristics of the invention will become apparent from the following description of prefer...

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Abstract

The invention provides a data transmission method and electronic equipment, the method is applied to an external terminal of a unidirectional non-feedback system, and the method comprises the following steps: receiving network data packaged by a transmission protocol determined by negotiation; analyzing the network data based on the transmission protocol to obtain a to-be-sent data link composed of a plurality of data blocks, the plurality of data blocks respectively corresponding to a plurality of commands in the transmission protocol; packaging a to-be-sent data link based on a one-way transmission protocol, and sending the packaged to-be-sent data link to an internal terminal of the one-way non-feedback system, a communication protocol header of the one-way transmission protocol comprising a plurality of fields used for describing the characteristics of the plurality of data blocks, and a communication protocol header of the one-way non-feedback system comprising a plurality of fields used for describing the characteristics of the plurality of data blocks; and sending the fields to the internal terminal, so that the internal terminal can at least identify the received data blocks based on the fields, and determine the integrity of the received data blocks. Based on the data transmission method provided by the invention, the data can be efficiently and accurately ferried fromthe external terminal to the internal terminal.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a data transmission method and electronic equipment. Background technique [0002] As a physical isolation device between different networks and different security domains, the one-way gatekeeper only allows one-way transmission of data without feedback. It is mostly used in government and military networks to prevent important information from leaking out. Mail can only be transmitted in one direction to the internal network. The hardware architecture of the one-way gatekeeper is 2+1, that is, it is composed of an external terminal, an internal terminal and an isolation card. The external terminal and the internal terminal respectively run different agent software to realize the communication between the external terminal and the internal terminal. Physical one-way communication. [0003] At present, the protocol identification module is dev...

Claims

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Application Information

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IPC IPC(8): H04L12/58H04L29/06H04L29/08
CPCH04L51/04H04L65/1066H04L67/06
Inventor 常艳青郎卫鹏李仁江
Owner BEIJING TOPSEC NETWORK SECURITY TECH
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