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How Ethernet Works

What Is Ethernet and How Is It Used?

A gentlemen by the name of Bob Metcalfe realized that he could improve on a system called the Aloha System which arbitrated access to a shared communications channel. He developed a new system that included a mechanism that detects when a collision occurs (collision detect). The system also includes "listen before talk," in which stations listen for activity (carrier sense) before transmitting, and supports access to a shared channel by multiple stations (multiple access). Put all these components together, and you can see why the Ethernet channel access protocol is called Carrier Sense Multiple Access with Collision Detect (CSMA/CD). Metcalfe also developed a much more sophisticated backoff algorithm, which, in combination with the CSMA/CD protocol, allows the Ethernet system to function all the way up to 100 percent load.

In late 1972, Metcalfe and his Xerox PARC colleagues developed the first experimental Ethernet system to interconnect the Xerox Alto. The Alto was a personal workstation with a graphical user interface, and experimental Ethernet was used to link Altos to o

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Some common words found in the essay are:
Ethernet LAN, Identifiers OUIs, SAEs Ethernet, Data Delivery, Trip Timing, Let's IP-based, Addresses Computers, Ethernet Ethernet-equipped, Ethernet Addresses, Technology LAN, ethernet system, media segments, ethernet channel, ethernet interface, ethernet lan, access control, round trip, ethernet frame, medium access control, ethernet interfaces, csma/cd protocol, round trip timing, station ip address, ip address 192022, station station ip,
Approximate Word count = 4045
Approximate Pages = 16 (250 words per page double spaced)

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