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Ethernet
Ethernet was a protocol originally developed by Bob Metcalfe at the XEROX Palo Alto Research Center (PARC) in the 1970s. In 1979, Bob Metcalfe formed his own company, 3COM, and worked with Digital Equipment Corporation (DEC), Intel, and Xerox to promote the “DIX” standard for Ethernet. In 1985, the Institute of Electrical and Electronics Engineers (IEEE) published the IEEE 802.3 standard that was almost identical to Ethernet. Today, 802.3 is the common standard used on local-area networks (LANs).