It's simple, right? You either build your wireless LAN on the fat-AP model of traditional access points or you use a central controller and a thin-AP model. Not so fast--wireless vendors are changing models and modifying their architectures as they consider new technology and plan for the impact of 802.11n [1]. Have you looked at your wireless architecture, lately? You should, especially if you have your eye on one of the nifty new pre-n systems.

For more on evolving architectures:
- Read the newsletter article [2] at NetworkWorld