Today, Ethernet is the communication technology that is widely used in LANs. Ethernet operates in the physical layer and data link layer of the OSI reference model. Thus, it defines both Layer 1 technologies and Layer 2 protocols. The data on an Ethernet network is carried on by a frame.
Ethernet communication technology
Ethernet history
The merits for the invention of the Ethernet belong to Dr. Robert Metcalfe, who in 1973 while working at the Xerox Palo Alto Research Center (PARC) wrote a memo in which he described his finding. Metcalfe had built an Ethernet network system to interconnect workstations with laser printers, thus making it possible to transfer data up to 1 Mbps. Undoubtedly, being convinced of the potential...