IT organizations are challenged by businesses today for improving the agility of the networks, maximizing the return on investment, and faster rollout of services among other tasks. The emergence of wireless local area networks (WLANs) helps the IT organizations achieve some of these objectives within the organization. The ways in which WLANs can help the overall business goals are as follows:

• Mobility: WLANs allow users to be mobile and move anywhere within the coverage area of the WLAN and be productive even within meeting rooms and cafeteria.
• Agility: WLANs allow the users to send time-sensitive data directly from the location with the WLAN coverage using handheld terminals without having the need to shuttle between the site where data is generated and the terminal that has a wired connectivity to the network. This helps the organization in their...