Monday, November 24, 2008


Ethernet is a relation of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical idea of the ether. It defines a number of cabling and signaling standards for the Physical Layer of the OSI networking model, through means of network right of entry at the Media Access Control (MAC)/Data Link Layer, and a ordinary addressing format.

Ethernet is standardized as IEEE 802.3. The combination of the warped pair versions of Ethernet for connecting end systems to the network, the length of with the fiber optic versions for site backbones, is the most widespread wired LAN technology. It has been in use as of around 1980[1] to the present, mainly replacing competing LAN standards such as token ring, FDDI, and ARCNET.

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