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User is given login URL (in the case of AWS, it is an IDP initiated SSO handler in the form of https://idp.example.edu/idp/profile/SAML2/Unsolicited/SSO?providerId=urn:amazon:webservices)
University of Illinois - Urbana-Champaign Example
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User is given login URL (in the case of AWS, it is an IDP initiated SSO handler in the form of https://idp.example.edu/idp/profile/SAML2/Unsolicited/SSO?providerId=urn:amazon:webservices)