EAP
Click on the red underlined text to get to the source
... also been used with NAIs. For instance, some Extensible
Authentication Protocol (EAP) methods apply method-specific
...
... RADIUS (Remote Authentication Dial In User Service) Support For Extensible Authentication Protocol (EAP)", RFC 3579, September 2003. ...
... Aboba, B., Blunk, L., Vollbrecht, J., Carlson, J., and H. Levkowetz, "Extensible Authentication Protocol (EAP)", RFC 3748prop, June 2004. ...