Wireless client association and traffic context cookie

摘要

In an example embodiment, an access point or wireless local area network controller programs an opaque cookie into a wireless client. The cookie carries association detail and current traffic information of the client. When the client roams to a new access point, the client presents the cookie to the new access point.

主权项

1. A method, comprising:
receiving, by a second wireless access point, a second association request from a wireless device, wherein the second association request specifies to join a network and includes encrypted context data comprising a plurality of attributes of a roaming history of the mobile device stored in a plurality of type-length-value fields, wherein the roaming history specifies the association between the wireless device and a first wireless access point; the encrypted context data having been previously sent to the wireless device by the first wireless access point in response to the wireless device sending to the first wireless access point a first association request specifying to join the network; modifying, by the second wireless access point, the encrypted context data to reflect the association between the wireless device and the second wireless access point; and sending, by the second wireless access point, the modified encrypted context data to the wireless device.