The complete Liberty Specifications can be found here.
The v1.1 release of the Identity Assurance Framework (IAG) spec.
The initial public draft of the Identity Governance Framework (IGF) specs, including schema.
The final, approved Advanced Client 1.0 Specifications, schema, WSDL, and supporting docs.
A discussion of the Need-Driven Requirements for ID-WSF 2.0 ( Liberty ID-WSF 2.0 Marketing Requirements Document v1.0 ) is available in the Strategic Initiatives' Requirements section.
For an overview of the relationship between ID-FF, SAML2, and ID-WSF 2.0, please see the discussion in the Federation section of Strategic Initiatives.
A discussion of the Need-Driven Requirements for Phase 1 ( Phase 1 - Authentication Sharing Marketing Requirements Document v1.0 ), Phase 2 ( Phase 2 - Identity Services Marketing Requirements Document v1.0 ), WSF 2.0 ( Liberty ID-WSF 2.0 Marketing Requirements Document v1.0 ) and Phase 3 ( Liberty Business Identity Profile Marketing Requirements Document v1.0 , Liberty Intelligent Client Marketing Requirements Document v1.0 , and Liberty Transaction Accounting Marketing Requirements Document v1.0 ) is available in the Strategic Initiatives' Requirements section.