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Metropolitan Area Network (MAN)
Precisely speaking, the definition
of a Metropolitan Area Network has less to do with geography
and more about technical specifications that are outlined
is the guidelines set by IEEE (Institute of Electrical
and Electronics Engineers). (This is said as eye,
triple E) You will visit this topic briefly later in the course,
in the chapter on Networking Standards.
Academic precision aside, you can
think of a MAN as a network for a campus-like cluster of buildings,
or two or more buildings within a short distance of each other in a
city, as illustrated below. Of the three types of networks, the MAN
is the least common. They’re found in situations where sites are
too far apart to use LAN technology exclusively (since LAN technology
has limits on the distance it can run), but close enough together that
high-performance can be achieved in a more cost-effective way than with
typical WAN technology. The longer network links connecting
the sites in a MAN are called its backbone.
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