For Shibboleth authentication, Ebook Central requires that one of the following three attribute combinations is passed to us.  Ebook Central uses the attribute(s) to uniquely identify your patrons.

Ebook Central requires any one of the following three attribute combinations:
That is, we only need eduPersonScopedAffiliation if you send eduPersonPersistentID instead of either of the first two.

For a list of the Shibboleth Federations supported by Ebook Central  >See More
For an overview of Ebook Central authentication options  >See More

If you have additional questions about Shibboleth implementation on your Ebook Central site, contact ebooksupport@proquest.com