Already, though sales of Wi-Fi equipment are booming, prices have tumbled, and margins are now wafer-thin.

ECONOMIST: Internet access

Aruba Chief Executive Donald LeBeau, who ran Cisco's worldwide sales from 1992 to 1997, calls centralized Wi-Fi a way to "reshape the wiring closet" that Cisco has controlled for years.

FORBES: Wi-Fi With a Coat and Tie