Explain the advantage and disadvantage of ethernet ?
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Answer Posted / indhu thilak
Advantages of Ethernet
Upgradability:
There are several other superfast network protocols. Some
of them must use Fiber optics and thus its price is much
greater than that of Ethernet. But some superfast networks,
such as 100G BaseT Ethernet, are based upon more affordable
technologies. Therefore, installing BaseT Ethernet may make
the upgrade to a faster network easier in the future.
Simplicity of installation:
In the past IBM Token Ring was a rival of Ethernet, but
like IBM's OS/2 lost the OS war to Microsoft Windows, Token
Ring also lost the network war. Although it was capable of
transmitting signals at 16 million bit per second, which
was faster than 10BaseT Ethernet (10 megabit per second),
it was very difficult to configure. Networking expert Frank
Derfler said, "The Token Ring is to networks what the
Boeing 747 is to airplanes. It makes strange noises and
requires special handling."
Installation of Ethernet is easier and less expensive than
other network protocols. It offers efficient ways to
connect across Mac, PC, Linux, Unix workstations, IBM
mainframe, and many other kinds of computer systems.
Therefore, Ethernet is more popular than other network
protocols.
Connectivity to backbone:
As mentioned before, Ethernet is a local area network
protocol for different sub-networks of a company or a
campus. For networking the entire company or campus, it
needs a backbone network protocol. A backbone network is
like a fish's backbone, to where every smaller bone (sub-
network) is connected. Ethernet has an advantage in
connectivity to backbone because other LAN protocols lag
behind in backbone innovations. For instance, the only way
to upgrade Token Ring backbone was to move to Asynchronous
Transfer Mode (ATM). In contrast, Ethernet have several
choices such as Gigabit Ethernet, ATM, and routing
switches.
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