What is a Brokered Authentication Service?
Custom Authentication and Authorization Framework, KongHQ
Authentication and Authorization in Service Mesh (part 2)
Confluence Mobile - Apache Software Foundation
Solved Different services can be used to provide identity
Cloud Authentication Service Overview - RSA Community - 622888
Integrating with BankID
Service-to-service authentication & authorisation patterns, by Kalpa Senanayake
Authentication: Methods, Protocols, and Strategies
Chapter 7 Authentication and the Authentication Service (Sun OpenSSO Enterprise 8.0 Technical Overview)