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Collaborative Work
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For some business scenarios, the need for collaborative computing might be more
important outside office environments than inside a building. After all, it is
often the case where people do need to have outside meetings to cooperate and
exchange information on a given project;
• Crisis-management
Applications - These arise, for example, as a result of natural disasters
where the entire communications infrastructure is in disarray (for example,
Tsunamis, hurricanes, etc.). Restoring communications quickly is essential. By
using ad hoc networks, an infrastructure could be set up in hours instead of
days/weeks required for wire-line communications;
Personal Area
Networking -
A personal area network (PAN) is a short-range, localized network where nodes
are usually associated with a given person. These nodes could be attached to
someone's cell phone, pulse watch, belt, and so on. In these scenarios,
mobilityis only a major consideration when interaction among several PANs is
necessary, illustrating the case where, for instance, people meet in real life.
Bluetooth [Haarstenl998] is an example of a technology aimed at, among other things,
supporting PANs by eliminating the need of wires between devices such as
printers, cell phones, PDAs, laptop computers, headsets, and so on, and is
discussed later in this book. Other standards under the IEEE 802.15 working
group for wireless PANs are also described.
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