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Carrier-sense multiple access
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===1-persistent=== 1-persistent CSMA is an aggressive transmission algorithm. When the transmitting node is ready to transmit, it senses the transmission medium for idle or busy. If idle, then it transmits immediately. If busy, then it senses the transmission medium continuously until it becomes idle, then transmits the message (a [[Frame (telecommunications)|frame]]) unconditionally (i.e. with probability=1). In case of a [[Collision (telecommunications)|collision]], the sender waits for a [[Randomness|random]] period of time and attempts the same procedure again. 1-persistent CSMA is used in CSMA/CD systems including [[Ethernet]].
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