| 摘要 |
A data transmission network includes circulating loops designed to increase the reliability of the network and its transmission speed. Redundant transmission within the circulating loops is sensed and terminated. This is accomplished by identifying those stations serving as an entrance port to a circulating loop within the network. When a transmission of information is received at that station, it is marked with that station's address. The information is sent into the network including into the circulating loop. As the circulating loop leads back to itself, that transmission is received at the same entrance station which transmitted it into the circulating loop. Upon receipt, the entrance station recognizes its own address and terminates any further transmission.
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