426 Telecom Strategies & Trends Titles

Carrier Ethernet: a bright future with some initial hurdles

Published: 2009-11-20


Ethernet is a family of computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether and defines a number of wiring and signalling standards for the physical (layer 1) and data link (layer 2) layers of the OSI (Open System Interconnection) networking model, through means of network access at the Media Access Control (MAC) /data link layer, and a common addressing format. Ethernet was originally developed at Xerox in 1973-1975 and is now standardised as IEEE 802.3. It has been in use from around 1980, largely replacing competing LAN standards, and nowadays it is reckoned that over 95% of companies' LAN are based on Ethernet.

Published: 2009-11-20

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