Rääkida
saab ainult üks inimene korraga. Kui keegi soovib rääkida ajal,mil keegi teine juba räägib, siis
tuleb oodata, kunieelmine kõneleja lõpetab. Kui korraga alustavadrääkimist kaks või enam
inimest, tekib kokkupõrge
CSMA,CSMA/CD· ALOHA: vulnerable periodALOHA was the first random access protocol, with speed/network length ratio(but IS constrained by message speed/network length transmit and monitor the channel; segments that are consuming the switch buffer capacity. no carriersense or collision detection.Operation:· When node has packet to send: transmit at full ratio) If detect another transmission(CD) · One way of accomplishing this is for the switch to issue an channel data rate R
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