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Liberty Alliance
Differences Between SAML V2.0 and Liberty ID-FF 1.2
SAML V2.0 enhancements include features derived from the Liberty Alliance Identity Federation Framework (ID-FF) V1.2 specifications that were contributed to the OASIS Security Services Technical Committee in 2003, capabilities present in the Internet2's Shibboleth architecture, and enhancement requests resulting from experience with numerous deployments of SAML V1.x in the industry.
Liberty Alliance ID-FF and ID-WSF
The Liberty Alliance is an industry consortium defining standards for federated identity - including enabling simplified sign-on through federated network identification using current and emerging network access devices, as well as supporting and promoteing permission-based attribute sharing to enable a user's choice and control over the use and disclosure of his/her personal identification.