Realize the socket transparent transmission method of electric power internal and external network based on the isolation device
A technology of isolating device and reverse isolating device, applied in the direction of transmission system, electrical components, etc., to achieve the effect of convenient expansion interface, convenient technical framework, efficient and safe SOCKET transparent transmission
Active Publication Date: 2018-08-07
JIANGSU ELECTRIC POWER CO +2
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Problems solved by technology
Although the isolation device can realize safe file transfer, many applications are based on SOCKET communication, so how to solve the problem of communication between the internal and external network of the power without changing the communication mode of the upper application, there is an urgent need for a technology to provide SOCKET transparent transmission
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0031] Such as figure 1 As shown, to realize the SOCKET transparent transmission of the present invention, first, a forward network proxy module is set in the power intranet, and a reverse network proxy module is set in the power external network.
[0032] The forward and reverse network proxy modules have the same structure, such as figure 2 As shown, the network proxy service module mainly includes a network flow module and a file flow module, wherein,
[0033] The network stream module has integrated the TCP protocol and the UDP protocol at present, and has reserved interfaces that can expand other network protocols. The network stream module is mainly responsible ...
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The invention discloses a SOCKET transparent transmission method based on an isolation device to realize power internal and external networks, including: (1) The network module of the network agent module is adapted to the SOCKET protocol, and the network stream imported by SOCKET is converted into a file stream according to a predetermined code , output the file to the specified directory after generating the file; (2) The isolation device monitors the file changes in the specified directory, checks and audits the newly generated file, and transfers the file to other network areas if it meets the transmission specifications of the electric power internal and external network; (3) The file module of the network agent module monitors and reads the files ferried by the isolation device, decodes them into original content, converts them into SOCKET requests and sends them to the target application. The present invention can efficiently and safely realize SOCKET transparent transmission of electric power internal and external networks, not only satisfying audio and video applications, but also providing underlying communication channels for other applications.
Description
technical field [0001] The invention relates to a SOCKET transparent transmission method for realizing power internal and external networks based on an isolation device, and belongs to the technical field of power system auxiliary monitoring. Background technique [0002] With the rapid development of mobile networks in recent years, mobile audio and video applications have also been widely used in power systems. However, due to network security restrictions, the power intranet and mobile Internet (power extranet) are isolated. Although the isolation device can realize safe file transfer, many applications are based on SOCKET communication, so how to solve the problem of communication between the internal and external network of the power without changing the communication method of the upper application, there is an urgent need for a technology to provide SOCKET transparent transmission. Contents of the invention [0003] In order to make up for the deficiencies of the ex...
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IPC IPC(8): H04L29/06H04L29/08
CPCH04L65/75H04L67/56H04L67/568
Inventor 单红宇赵越丁冬定吴敏秀李培培官国飞周峰
Owner JIANGSU ELECTRIC POWER CO