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- Single attribute - the user is identified by the IdP as an authenticated member of the institution
- Minimum recommended - the user is identified by the IdP as an authenticated member of the institution plus several commonly used attributes are transmitted to the SP.
- Optional attributes - these are those additional attributes that extend the minimum recommended set for added usability
Recommended "do not use" list of attributes - these are those attributes which can be provided but aren't in a best practices environment \ [for example users social security number (ssn)\]Wiki Markup
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License issues -
- It is suggested that institutions work together as a group with vendors to attempt to modify language in contracts which supports the outdated IP authentication model and supports a move towards user defined group models.
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