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The IEEE-802.3 Protocol is based on the Xerox Network Standard (XNS) called Ethernet. The IEEE-802.3 Protocol is commonly called Ethernet. Data traffic, or bus arbitration, is performed on all versions of Ethernet using the CSMA/CD
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1. Introduction The IEEE-802.3 Protocol is based on the Xerox Network Standard (XNS) called Ethernet. The IEEE-802.3 Protocol is commonly called Ethernet. Data traffic, or bus arbitration, is performed on all versions of Ethernet using the CSMA/CD (Carrier Sense Multiple Access/ Collision Detect) protocol. Bus arbitration is another way of saying how to control who is allowed to talk on the (medium) and when. Put simply, it is used to determine whose turn it is to talk. In CSMA/CD, all stations, on the same segment of cable, listen for the carrier signal. If they hear the carrier, then they know that someone else it talking on the wire. If they don't hear carrier then they know that they can talk. This is called the Carrier Sense portion of CSMA/CD. All stations share the same segment of cable and can talk on it similar to a party line. This is the Multiple Access portion...
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