Illustration of the operations of the authentication-service mechanism.
Service-to-service authorization: A guide to non-user principals
Authentication and Authorization
Chapter 7 Authentication and the Authentication Service (Sun OpenSSO Enterprise 8.0 Technical Overview)
High-Level Authentication Flows for the Cloud Authentication Service - RSA Community - 622890
Using External IDPs Curity Identity Server
External Token Providers
Using JAAS-Based Authentication (Sun Java System Message Queue 4.2 Administration Guide)
Service to Service Authentication on Kubernetes, by Nick Meves, In the weeds