This paper outlines the problems in currently available authentication methods, such as EAP-TTLS, EAP-PEAP and EAP-FAST, and describes the desirable properties of a standard outer method. We examine the interaction between inner and outer methods and the types of issues that presently exist. We propose a new authentication method, EAP-PSK [PSK] with tunneling support (EAP-TLS-PSK), as an EAP pr...