From: <glassfish_at_javadesktop.org>
Date: Wed, 14 Jan 2009 10:05:53 PST
One product on the market is Sun's "Identity Management" , http://developers.sun.com/identity/ which does just what you are asking for. (Full disclosure: I work for Sun. I worked in QA on it for several years. It is a mature and productive product.)
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