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About ten years ago the trend of development of Ethernet-based field buses began. Now a (large) number of them are standardized within IEC 61158, a variety of products and a variety of installed systems do exist. Beside the usage of Ethernet as a fast physical layer it also brought the entire TCP/UDP/IP or Internet protocol suite down to the shop floor, establishing the general opportunity to provide...
This paper presents a reliable, fast and simple system to detect and recover faults in computer networks at control center of power automation system. There is no way to get the information of the remote devices when networked system at control center is failed. The proposed system makes use of the insertion of smart switch (SS) into the ordinary automation system of power utilities to keep the network...
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