EDUCAUSE has elected to join the InCommon identity federation. "In an identity federation like InCommon, participating identity providers (such as colleges and universities) and resource providers (like EDUCAUSE) agree on a set of shared policies, processes, and technology standards." A precursor to this is seen in EDUCAUSE's Seven Things document on identity federation. One problem - in my view - of the federated approach is that it is exclusionary. You don't get an identity unless you join one of the federated organizations (it's not open, like OpenID), which for learners means becoming a student and paying tuition fees. The 2009 EDUCAUSE Catalyst Award went to "federated identity systems", which I must say is the first time I have ever seen an award given to a concept. Related: Understanding single sign-on.
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