Very good (though large - 6 meg , and EDUCAUSE isn't the fastest site in the world) slide deck on identity management (I link to the EDUCAUSE HTML page, since there are actually three separate decks to download). If you are into identity at least as much as I am, then this presentation will be worth your while. Note how tangled identity becomes with institutional policies and other tasks, like managing access to resources. Ask yourself whether an identity federation is a sustainable model for an open network of free resources and services. Finally, ask yourself, what's in it for the person being identified. Because, as I argue in Authentication and Identification, no identity system will work unless the person wants their identification to be accurate and secure. See also, Building on Distributed Access Management, by Thomas J. Barton and others, and Maximizing Identity Management by Keith Hazelton.
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