A Tale of Two Topologies

Wireless networks can be configured in two basic ways. Either clients connect directly to each other (IBSS), or they are connected to a central access point (BSS/ESS).

IBSS, a.k.a. Ad-Hoc Mode

Independent Basic Service Set (IBSS) networks are often called ad-hoc mode. They operate in a peer-to-peer mode and do not use APs. Ad-hoc networks are useful in impromptu environments, such as a boardroom or a restaurant, when several laptop devices come together and require temporary network connectivity (Figure 2.6).

Figure 2.6. IBSS.

Ad-hoc networking has been proposed for use in large mesh networks where each node is both a ...

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