Controlling communication among multiple industrial control systems
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United States of America Patent
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May 20, 2014
Grant Date -
Dec 27, 2012
app pub date -
Sep 6, 2012
filing date -
Apr 19, 2011
priority date (Note) -
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Abstract
A communication control method and system for controlling communication among multiple industrial control systems connected via a network. The communication control system includes: a communication relay apparatus for relaying communication between at least two of multiple industrial control systems; a monitoring section for monitoring the multiple industrial control systems; and a control section for switching, if the monitoring section detects an anomaly from at least one of the multiple industrial control systems, communication between an industrial control system detected with an anomaly and a second industrial control system so that the communication is performed via the communication relay apparatus.
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