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Ethernet    音标拼音: ['ɛθɚn,ɛt]
以太网 ;
(一种以基频通讯技术为基础的高传输网络硬件标准。是一个很受欢迎的局域网络)

乙太网 ; (一种以基频通讯技术为基础的高传输网络硬体标准。是一个很受欢迎的局域网络)

ethernet
以太网路

ethernet
n 1: a type of network technology for local area networks;
coaxial cable carries radio frequency signals between
computers at a rate of 10 megabits per second

A {local area network} first described by
Metcalfe & Boggs of {Xerox PARC} in 1976. Specified by {DEC},
{Intel} and {XEROX} (DIX) as {IEEE 802.3} and now recognised
as the industry standard.

Data is broken into {packets} and each one is transmitted
using the {CSMA/CD} {algorithm} until it arrives at the
destination without colliding with any other packet. The
first {contention slot} after a transmission is reserved for
an {acknowledge} packet. A {node} is either transmitting or
receiving at any instant. The {bandwidth} is about 10 Mbit/s.
Disk-Ethernet-Disk transfer rate with {TCP/IP} is typically 30
kilobyte per second.

Version 2 specifies that {collision} detect of the transceiver
must be activated during the {inter-packet gap} and that when
transmission finishes, the differential transmit lines are
driven to 0V (half step). It also specifies some {network
management} functions such as reporting {collisions}, retries
and {deferrals}.

Ethernet cables are classified as "XbaseY", e.g. 10base5,
where X is the data rate in {Mbps}, "base" means "{baseband}"
(as opposed to {radio frequency}) and Y is the category of
cabling. The original cable was {10base5} ("full spec"),
others are {10base2} ("thinnet") and {10baseT} ("twisted
pair") which is now (1998) very common. {100baseT} ("{Fast
Ethernet}") is also increasingly common.

{Usenet} newsgroup: {news:comp.dcom.lans.ethernet}.

{(http://wwwhost.ots.utexas.edu/ethernet/ethernet-home.html)}.

(1997-04-16)


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