Real-World Use Cases

Federation isn't just for login — it's not even just for OpenID Connect. Diverse industries use OpenID Federation's protocol-independent trust framework to solve real problems, from healthcare data sharing to AI agent identity verification.

Beyond OpenID Connect

The specification was originally called "OpenID Connect Federation 1.0" but was renamed to "OpenID Federation 1.0" once its authors realized the trust framework is protocol-independent. As Michael B. Jones explained:

"We renamed it because we realized that while we'd built it for OpenID Connect, the federation mechanisms — Entity Statements, Trust Chains, Trust Marks, Metadata Policies — are all protocol-independent. They can establish trust for any kind of entity on the internet."

This insight led to the upcoming 1.1 split into two specifications: OpenID Federation 1.1 (the protocol-independent trust layer) and OpenID Federation for OpenID Connect 1.1 (OIDC/OAuth-specific bindings). Federation can be applied anywhere trust establishment via hierarchy is needed on the internet.

These examples are illustrative

The use cases below are illustrative abstractions showing how OpenID Federation's mechanisms could be applied in various industries. The metadata fields, policy operators, and trust mark names shown are not defined by the official specification — they demonstrate how the spec's extensible framework works in practice.

🏥 Healthcare

200+ hospitals, 12 networks, 50 insurers, hundreds of pharmacies — 40,000+ bilateral configurations needed.

Topology

National Health Authority (TA) → Regional Networks + Insurance Association (IA) → Hospitals, Insurers, Pharmacies (Leaf)

Trust Marks

HIPAA CompliantEmergency Access Certified

Policy Example

encryption_required: { value: true }
supported_encryption_algs: { subset_of: ["A256GCM", "A128CBC-HS256"] }
audit_logging: { essential: true }

Key Takeaway: Federation eliminates tens of thousands of bilateral agreements while ensuring every participant meets healthcare security standards.

🏭 Real-World Use Cases

Beyond OpenID Connect

Topology

Trust Marks

Policy Example

Sources & References