EAP-TLS Peer                                      EAP-TLS Server

                                                      EAP-Request/
                             <--------                   Identity
 EAP-Response/
 Identity (Privacy-Friendly) -------->
                                                      EAP-Request/
                                                 EAP-Type=EAP-TLS
                             <--------                 (TLS Start)
 EAP-Response/
 EAP-Type=EAP-TLS
(TLS ClientHello)            -------->
                                                      EAP-Request/
                                                 EAP-Type=EAP-TLS
                             <--------           (TLS Error Alert)
 EAP-Response/
 EAP-Type=EAP-TLS            -------->
                             <--------                EAP-Failure