The two compelling and relevant concepts with wireless networks are seamless mobility and security. Ubiquitous computing is becoming part of human life with the advent of wireless devices and technologies. Of all the wireless networks, IEEE 802.11 networks are getting increasingly popular. The whole idea of mobility and seamless communication in 802.11 infrastructure network can be a near reality, if we were to come up with a mobility management architecture that would help such seamless mobile node movement between access points. One possible mobility management architecture can contain...