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Well, I hope you enjoyed
our little delve in the practical world of networking. I apologize
for confusing you a little, saying that an Ethernet hub
is a physical star topology , but a logical
bus. This, though, is an important concept as hubs provide
for a central point of failure (as star network s
do).
Twisted-pair
cables have been a godsend for networks. They allow easy connect
and deletion to/from a network. Their self-screen allows for reduced
coupling with other nearby systems. This can be a serious problem
in noisy environments, and may cause errors in the received bit
pattern.
In this chapter
we were introduced to some of the main characters in the Networking
Hall of Fame. These are have made their way there because of their
sheer usefulness. So here they are:
1.
TCP /IP
2.
Ethernet
3.
Electronic mail
4.
Routers
5.
Twisted-pair cable (and RJ-45 connectors )
6.
Servers (especially WWW servers )
7.
Fiber-optic cables
8.
UNIX operating system (and its related networking protocols,
such as NFS , TELNET ,
FTP , and so on).
9.
Domain names
10. Hubs
/switches/MAUs
© W.
Buchanan, 2000
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