Intelligent gate bridge and its method for realizing network isolation control '
A network isolation and network bridge technology, which is applied in the field of intelligent network bridge and its realization of network isolation control, can solve the problems that the network bridge does not accept the configuration, cannot achieve real-time communication, etc., and achieve the effect of reducing the burden and improving real-time performance
Active Publication Date: 2008-01-16
ZHEJIANG SUPCON TECH +1
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[0009] The purpose of the present invention is to provide an intelligent network bridge and its method for realizing network isolation control, so as to solve the technical problem that the existing network bridge does not accept the configuration and thus cannot achieve real-time communication
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[0047] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0048]The invention discloses an intelligent network bridge, which includes a processor, a memory, and several network interfaces, and also includes a network communication module having the same number as the network interfaces, and the processor also includes a configuration control module, wherein,
[0049] Configuration control module: used to control the network segment connected to the interface corresponding to the network communication module to communicate equally with other devices according to the received configuration information;
[0050] Network communication module: receive all messages from the network segment where it is located, and send messages and receive communication scheduling under the control of the configuration control module.
[0051] Please refer to FIG. 1 , which is an example diagram of an implementation structure of an intelligent ne...
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The intelligent bridge includes processor, memory, same number of network interfaces and network communication modules. The processor also includes a configuration control module. Based on received information of configuration, the configuration control module controls communication between network segment through connected interface corresponding to network communication module and other devices. Receiving all messages from network segment the network communication module located, the module sends out messages and receives communication scheduling under control of the configuration control module. The intelligent bridge can monitor, process and transmit all messages from different network segments; based on configuration information controls forwarding message, and insulates invalid message to be forwarded so as to raise performance for transferring message in real time. The configured bridge can be added to communication scheduling of the network segment the bridge located at.
Description
technical field [0001] The invention relates to the field of industrial automation, in particular to an intelligent network bridge and a method for realizing network isolation control. Background technique [0002] In the existing network, if all the devices are in the same network segment, the load on the network is very heavy, which also leads to the inability to expand the system. In order to solve the above problems, the existing technology can divide the entire large network into several smaller network segments. [0003] Take the industrial control system with a wide range of applications as an example to illustrate. The simplest industrial control network includes at least field devices and configuration monitoring computers, but the current technology usually uses a controller or bridge to divide the entire network into two network segments. The controller generally includes a processor, data memory, program memory, and two Ethernet interface circuits. One Etherne...
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IPC IPC(8): H04L12/04H04L12/56H04L12/24
Inventor 褚健冯冬芹刘世龙金建祥
Owner ZHEJIANG SUPCON TECH