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    Glossary
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Federation Assurance Level (FAL)

Abbreviations / Acronyms / Synonyms:

Definitions:

  A category that describes the federation protocol used to communicate an assertion containing authentication and attribute information (if applicable) to an RP, as defined in [NIST SP 800-63-3] in terms of three levels: FAL 1 (Some confidence), FAL 2 (High confidence), FAL 3 (Very high confidence).
Sources:
FIPS 201-3

  A category describing the assertion protocol used by the federation to communicate authentication and attribute information (if applicable) to an RP.
Sources:
NIST SP 800-63-3

  A category describing the assertion protocol used by the federation to communicate authentication and attribute information (if applicable) to a relying party.
Sources:
NIST SP 1800-17b under Federation Assurance Level