Patent ID: 7107051

Claim:
A method for establishing secured roaming among a wireless station, a first and a second access points, comprising: the first access point requesting a first ticket including a first session key from an authentication server at a first time and using the first ticket to establish a first secured session with the first session key between the first access point and the wireless station; and in response to a second ticket request from the wireless station through the first secured session when the wireless station attempts to communicate with the second access point at a second time after the first time, the first access point forwarding the second ticket request to the authentication server and relaying through the first secured session a resulting second ticket including a second session key with a predefined lifetime starting from after the second time, from the authentication server to the wireless station, the second ticket being different than the first ticket, the second key being different than the first key, wherein the second ticket is used to establish a second secured session with the second session key between the wireless station and the second access point.