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Robert MetcalfeOne of the inventors of Ethernet, author of Metcalfe's law, founder of 3COM
Date of Birth: 07.04.1944
Country:  USA |
Content:
- Robert Metcalfe: A Pioneer in Networking and Innovation
- Xerox PARC and the Invention of Ethernet
- Digital Equipment Corporation and 3Com
- The EtherLink Network Adapter and IEEE Standard
- Metcalfe's Law
- Later Career
Robert Metcalfe: A Pioneer in Networking and Innovation
Early Life and EducationRobert Metcalfe was born on April 7, 1946, in Brooklyn, New York. His parents were of Irish and Norwegian descent. From a young age, Metcalfe showed a keen interest in computers, attending computer science classes at Columbia University on Saturdays. He went on to attend the Massachusetts Institute of Technology (MIT), where he earned a bachelor's degree in electrical engineering and business management.
Xerox PARC and the Invention of Ethernet
After graduating from MIT, Metcalfe joined Xerox PARC in 1972, where he worked on developing the first personal computer and laser printer. In late 1972, Metcalfe developed a 3 Mbps network, initially called the Alto Aloha Network and later renamed Ethernet. He defended his PhD dissertation on "Packet Networks" in 1973, and on May 22, 1973, he completed the specification for Ethernet.
Digital Equipment Corporation and 3Com
In 1979, Metcalfe left Xerox and joined Digital Equipment Corporation (DEC), where he was invited by Gordon Bell. Later that same year, he founded 3Com, a company that became a leading provider of network equipment.
The EtherLink Network Adapter and IEEE Standard
In 1982, 3Com released the EtherLink network adapter, which further expanded the adoption of Ethernet. In 1983, the Institute of Electrical and Electronics Engineers (IEEE) approved Ethernet as an international standard.
Metcalfe's Law
Metcalfe formulated Metcalfe's Law, which states that the value of a network is proportional to the square of the number of its users, i.e., n². This law has become a fundamental principle in network design and analysis.
Later Career
After founding 3Com, Metcalfe continued to be involved in the advancement of networking technologies. He served as a professor of innovation at the University of Texas at Austin and was a member of the American Academy of Arts and Sciences. Metcalfe's legacy as one of the pioneers of Ethernet and his contributions to the field of networking remain significant today.
