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Resource sharing method for internal and external network

A resource sharing and network technology, which is applied in the resource sharing field of internal and external networks, can solve problems such as the inability to share resources between internal and external networks, achieve network security and confidentiality issues, solve the contradiction between network security and information sharing, and have low cost Effect

Active Publication Date: 2009-06-17
SHANGHAI AVCON INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In consideration of security and confidentiality requirements, the physical isolation of the internal and external networks improves the security of the internal network, but this leads to another problem, that is, resource sharing between the internal network and the external network cannot be performed.

Method used

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  • Resource sharing method for internal and external network
  • Resource sharing method for internal and external network

Examples

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Effect test

Embodiment 1

[0027] This embodiment introduces the present invention in detail by taking the internal network sharing external network resources as an example, and the present invention is also applicable to external network sharing internal networks (specific networks such as private networks and government affairs networks).

[0028] see figure 1 , figure 1 A schematic diagram of the composition of the system used in the method of the present invention is disclosed. Wherein, the intranet includes computer A and computer B connected through the network port, and the external network includes computer C; of course, the internal network and the external network may also include more computers. Among them, computer A is connected to computer C.

[0029] The computer A includes a network port 11 , a serial port 12 , a command sending module 13 , a video input interface 14 , and a video receiving and displaying module 15 . Computer A is connected to computer B through the network port 11 an...

Embodiment 2

[0046] The difference between this embodiment and Embodiment 1 is that in this embodiment, the external network shares the resources of the internal network through the method of the present invention.

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Abstract

The invention discloses a resource sharing method of internal and external network, which is used to lead a computer A and a computer B in different network to achieve resource sharing, achieves data information sharing between network which are physically isolated through computer video signals, and uses substratum transmission protocols as RS232 and the like to lead internal network users to control and operate an external system in one way. The resource sharing method not only keeps the physical isolation state of original network, but also reaches the purposes of system integrating and sharing.

Description

technical field [0001] The invention belongs to the technical field of network security, and relates to a resource sharing method, in particular to a resource sharing method of internal and external networks. Background technique [0002] With the rapid development of information technology, the network has become an indispensable tool in various fields. However, due to the existence of criminals, viruses and hackers, the network was paralyzed and suffered heavy losses. It is common for a computer terminal to use two networks at the same time, that is, when it is connected to a local area network or a private network (intranet), and it is also connected to the Internet (extranet), which brings great hidden dangers to the security of the intranet. Therefore, the Ministry of Public Security clearly stipulates that the internal network (local area network) and the public network (Internet) must be physically separated, otherwise they cannot access the public network (Internet)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/18H04L29/06
Inventor 徐玉龙柴晓伟胡君健熊模昌刘晓露吴彪
Owner SHANGHAI AVCON INFORMATION TECH
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