Enterprise Deployment of IEEE 802.11 Using Windows XP and Windows 2000 Internet Authentication Service

Check here the article. Lot’s about security ;-)
or download the DOC file here (135Kb)

And from 80211b.weblogger.com the next link

Here status for 802.11i
I dunno why Webwereld is now making this a subject as it’s already an ongoing process for a few months.