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Isolation method and isolation switch apparatus between multiple different safety class networks

A technology of safety level, isolation switch, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of difficult unified management and configuration, complex network structure, complicated network management and maintenance, etc., to achieve good application Prospect, low cost, simple device structure

Inactive Publication Date: 2008-02-06
北邮英科(北京)信息技术研究所有限公司
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Problems solved by technology

In this way, on the one hand, the network structure of the e-government system will become very complicated, the network management and maintenance will be complicated, it will be difficult to manage and configure in a unified way, and new security loopholes will easily appear; on the other hand, it will greatly increase the construction of the e-government network investment

Method used

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  • Isolation method and isolation switch apparatus between multiple different safety class networks
  • Isolation method and isolation switch apparatus between multiple different safety class networks
  • Isolation method and isolation switch apparatus between multiple different safety class networks

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] Referring to Fig. 1, the present invention is a safety isolation method between a plurality of different security grade networks, it is through to a group of electronic switches (by core switch CK and the transmission switch KTA, KTB,... ...KTn and the receiving switch KRA, KRB, ... KRn) control, to ensure that multiple networks are physically connected to each other at any time; and on the basis of logical isolation, for Each network adopts two separate and centralized control data channels to send and receive data respectively, and then configure the information security policy between different networks in the module according to the security policy, and the intelligent logic control system controls the opening / closing of the electronic switch group Time...

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Abstract

The isolation method for different security level networks comprises: arranging a plurality of electric switches connected to buffer to make networks with different security physical isolate at any time; using two separated but centralized-control data paths to send and receive data; controlling the electric switches and connected buffer by intelligent logic control system to realize the safe isolation and data exchange. This invention has simple structure with low cost, and special fit to network construction for electric government affairs.

Description

technical field [0001] The invention relates to an isolation method and an isolation switch device capable of ensuring logical isolation among a plurality of networks with different security levels and realizing safe exchange of data between networks, belonging to the technical field of computer network information security. Background technique [0002] Network isolation (Network Isolation) is mainly to disconnect two or more networks from the physical layer to the application layer protocol, and only exchange the content data through the pure private software interface and hardware isolation components, so as to ensure the security isolation of the network based on data exchange. On the premise of protecting the network environment with high security level, the network isolation technology ensures the security of network information by isolating the connection between networks. Its goal is to ensure that harmful attacks are isolated in a certain local network, and to comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
Inventor 周营刘勇胡博
Owner 北邮英科(北京)信息技术研究所有限公司
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