Higher ed, enterprise, health care, and telecom systems have participants that aggregate and delegate authentication. Here
- corp.com aggregates identities across several merged organizations that have different identity pools,
- application.service.org delegates authentication requests from its mobile app to the service's authentication aggregator,
- signon.service.org provides coordinated authentication and authorization aggregation to both cloud apps (wiki and listserve) as well as its own application; it delegates authentication to customer/partner/community organizations;
- hub-fed.tld aggregates requests and delegates authentication to its members,
- direct-org.tld delegates part of its authentication to a MFA provider.
