ENVS 1000 Chapter Notes - Chapter 14: Campus Network
10 May 2018
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ENVS 1000 Chapter 14 Notes – Summary
Introduction
Wide Area Networks (WAN)
• With this understanding, you can see that the design is based on traffic requirements
between the different offices and between each office and headquarters, just as the
backbone network was designed to optimize traffic with each LAN and between the
various LANs.
• The role of the service provider is to supply network links that are transparent to the
overall topology of the network.
• There are a number of different options available.
• We will expand on the various types of service connections in the discussion of wide
area networking.
• Some network specialists also define a network type between LAN and MAN, which they
call a campus area network (CAN).
• A campus area network consists of a number of interconnected local area networks
operating over a limited geographic region consisting of several buildings clustered
together
• Such as would be found on a college campus, military base, or multi-building company
setting.
• Campus area networks are commonly implemented as backbone-based networks with
high-speed optical fiber interconnections that are topologically similar to MANs, but
without the requirements of a service provider.
• One or more edge gateways or routers connect the campus area network to the
Internet and perhaps to other facilities, as well.
• Connections to other facilities would, of course, create a more MAN- or LAN-like
configuration.
• Wide area networks are networks designed to facilitate communications between users
and applications over large distances.
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