For a technical intro to SAML, the best place to start is the original OASIS Technical Summary doc at http://docs.oasis-open.org/security/saml/Post2.0/sstc-saml

For a technical intro to SAML, the best place to start is the original OASIS Technical Summary doc at http://docs.oasis-open.org/security/saml/Post2.0/sstc-saml-tech-overview-2.0.html http://docs.oasis-open.org/security/saml/Post2.0/sstc-saml-t... . It's still very much relevant and it doesn't gloss over important details (profiles as a central concept, profiles other than web browser SSO [such as single logout], multiple bindings in a profile, etc)