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术语 carrier sense multiple access-collision detection
释义 carrier sense multiple access-collision detection
载波侦听多路存取-冲突检测
In data communications, a protocol in which a node with data to transmit listens to the network until it becomes quiet still listening it then transmits data, if it hears what has been transmitted then it knows that transmission is successful. Otherwise it is clear that two or more nodes have transmitted simultaneously and the collision has caused a corruption in the data. The nodes then await a random interval before attempting to retransmit.
在数据通信中使用的一种协议,该协议规定需要发送数据的网点在发送前要先监听直到 网络变成空闲时,然后再边听边发送数据。如果听到了已发送的数据,那末就知道发送是成 功的。否则就是两个或多个网点在同时传送,并且由于竞争而造成数据出错。因此在重新发 送前网点要等待一个随机确定的时间间隔。比较control token, message slot。
参阅local area network。
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