i have been trying to implement SSO using SAML in Java.
for quite some time i have been referring to blogs by experts and some of the answers on your site.
I wanted to know
http://docs.oasis-open.org/security/saml/v2.0/saml-profiles-2.0-os.pdf is a good reference, but a good layman's explanation is https://www.youtube.com/watch?feature=player_embedded&v=gUmMcecHN9s