The demands on organizations' wireless networks - such as increased connection counts, bandwidth consumption, need for seamless roaming and extended perimeters - are all taxing on performance, and complicate the management of existing 802.11 wireless network infrastructures. The challenge facing many businesses is how to preserve compatibility with legacy 802.11 technologies, while enhancing and optimizing their wireless networks through centralized management and control across all nodes of the WLAN, and at the same time, maintaining maximum security.