AWS Identity and Access Management - Now With Identity Federation(aws.typepad.com)
aws.typepad.com
AWS Identity and Access Management - Now With Identity Federation
http://aws.typepad.com/aws/2011/08/aws-identity-and-access-management-now-with-identity-federation.html
This could open up even one more door which today stops discussions about cloud computing usage in enterprises. (of course in these companies, which today rely heavily on existing & own IT infrastructures)