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U-shaped magnet network access system and method based on unidirectional transmission protocol

A one-way transmission and network access technology, applied in the field of data transmission, can solve problems such as network connectivity and inability to ensure network isolation, and achieve the effect of ensuring one-way, simple design, and effective support

Active Publication Date: 2022-02-08
北京永亚普信科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional network isolation technology is to build two one-way transmission links to complete the function of sending and receiving returned data, but the construction of two one-way links will cause the receiving end network to actively send data to the sending end network, which may It will cause connectivity between networks and cannot guarantee the characteristics of network isolation.

Method used

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  • U-shaped magnet network access system and method based on unidirectional transmission protocol
  • U-shaped magnet network access system and method based on unidirectional transmission protocol
  • U-shaped magnet network access system and method based on unidirectional transmission protocol

Examples

Experimental program
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Effect test

Embodiment 1

[0053] see figure 1 Shown is a specific embodiment of the U-shaped magnet network access system based on the one-way transmission protocol described in this application. The system includes: a client 100, a U-shaped magnet network access device 200, and a server 300. The U-shaped magnet The network access device includes a first computing node 201, a second computing node 202, a third computing node 203, and a fourth computing node 204, the first computing node 201, the second computing node 202, the third computing node 203, and the Four compute nodes 204 form a U-shape, where,

[0054] The client 100 is coupled to the first computing node 201, and is configured to send access request data to the first computing node 201, and receive return data sent by the first computing node 201;

[0055] The first computing node 201 is respectively coupled to the client 100, the second computing node 202, and the fourth computing node 204, for receiving the access request data sent by th...

Embodiment 2

[0065] see figure 2 Shown is a specific embodiment of the U-shaped magnet network access method based on the one-way transmission protocol described in this application, including steps:

[0066] Step 201, build a U-shaped magnet network access device, the U-shaped magnet network access device includes a first computing node, a second computing node, a third computing node, and a fourth computing node;

[0067] Step 202, the client sends access request data to the first computing node; there is a two-way connection between the client and the first computing node; the access request data includes network data packets, text files, streaming files, format files, image files or videos documents, etc.;

[0068] Step 203, the first computing node sends the access request data to the second computing node, and the first computing node and the second computing node are connected through a unidirectional optical fiber;

[0069] Step 204, the second computing node sends the access re...

Embodiment 3

[0076] see image 3 Shown is a specific embodiment of another U-shaped magnet network access system based on a one-way transmission protocol described in this application, the system includes: a client 100, a U-shaped magnet network access device 200, and a server 300, The U-shaped magnet network access device 200 includes a first computing node 201, a second computing node 202, a third computing node 203, and a fourth computing node 204, the client 100, the first computing node 201, the second computing node 202, The third computing node 203 and the fourth computing node 204 form a U shape, wherein,

[0077] The client 100 is coupled to the first computing node 201 and the fourth computing node 204, and is configured to send access request data to the first computing node 201, and receive return data sent by the fourth computing node 204;

[0078] The first computing node 201 is respectively coupled with the client 100 and the second computing node 202, and is used to receiv...

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Abstract

The present application discloses a U-shaped magnet network access system and method based on a one-way transmission protocol. The system includes a client, a U-shaped magnet network access device, and a server, and the U-shaped magnet network access device includes a first computer node, the second computing node, the third computing node, and the fourth computing node; the first computing node and the second computing node are connected by a unidirectional optical fiber; the second computing node and the third computing node are connected by a unidirectional fiber The third computing node and the fourth computing node are connected through a unidirectional optical fiber; the first computing node and the fourth computing node are connected through a unidirectional optical fiber. In the present invention, one-way optical fiber is used for connection to ensure that only the access request data sent by the client is allowed to be sent to the server, and the server can only return data to the client according to the corresponding access request data, which ensures the data transmission during cross-network access. effective support, while ensuring the unidirectionality of network access services.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a U-shaped magnet network access system and method based on a one-way transmission protocol. Background technique [0002] With the development of science and technology, network attack methods emerge in endlessly, and people's demand for protecting high-security networks is increasing. Hazardous data may be carried during data transmission, which may cause serious losses to the receiver after receiving the data. The current network technology is to isolate harmful attacks, and complete the secure exchange of data between networks outside the trusted network and on the premise of ensuring that the internal information of the trusted network is not leaked. Network isolation technology makes up for the lack of capabilities of the original network security technology. The traditional network isolation technology is to build two one-way transmission links to complete the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L67/2876H04L67/288
CPCH04L63/0281H04L63/0209H04L67/2876H04L67/288
Inventor 杨硕胡光俊孙静张衍顺王晓波
Owner 北京永亚普信科技有限责任公司