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- The R&S category is most useful to those services that do not require out-of-band negotiation with IdPs.
- The service should request a subset of R&S Category Attributes, and furthermore, the service should request only those attributes it absolutely needs. (See the section on R&S Category Attributes for details.)
- The SP should fully support SAML V2.0 Web Browser SSO (see the SP Endpoints wiki page)profile.
- The SP should provide a complete set of User Interface Elements in metadata. In particular, a Privacy Statement and a Logo are highly recommended.
- In addition to the technical and administrative Contacts in Metadata required of all SPs, a security contact should also be provided.
- The SP should strive to provide a good, overall federated user experience. In particular, the SP should intelligently handle errors involving the release of attributes.
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