AAA (Authentication, Authorisation, Accounting)

AAR (AA Request)

AF (Application Function)

AVP (Attribute-Value Pair)

CCA (Credit-Control Application)

CCR (Credit-Control-Request)

CEA (Capabilities Exchange Answer)

CER (Capabilities Exchange Request)

DCC (Diameter Credit-Control)

EAP-AKA (Extensible Authentication Protocol - Authentication and Key Agreement)

EAP-AKA' (Extensible Authentication Protocol - Authentication and Key Agreement Prime)

EAP-SIM (Extensible Authentication Protocol - Subscriber Identity Module)

ePDG (Evolved Packet Data Gateway)

GGSN (Gateway GPRS Support Node)

IMSI (International mobile subscriber identity)

LDAP (Lightweight Directory Access Protocol)

NAI (Network Access Identifier)

NAS (Network Access Server)

OCS (Online Charging System)

OCSDB (Online Charging System Database)

OFCS (Offline Charging System)

PCC (Policy and Charging Control)

PCEF (Policy and Charging Enforcement Function)

PCRF (Policy and Charging Rules Function)

PDN GW (Packet Data Network Gateway)

PEAP (Protected Extensible Authentication Protocol)

RAA (Reauthentication Answer)

RAR (Reauthentication Request)

SIM (Subscriber Identity Module)

SIP (Session Initiation Protocol)

SPR (Subscriber Profile Repository)

STR (Session-Termination-Request)

TLS (Transport Layer Security)

URI (Uniform Resource Identifier)

USIM (Universal Subscriber Identity Module)

VRF (Virtual Routing and Forwarding)