1. Internet Engineering Task Force. PPP Extensible Authentication Protocol (EAP). IETF, RFC 2284, 1998.
2. Internet Engineering Task Force. Extensible Authentication Protocol (EAP). IETF, RFC 3748, 2004.
3. Institute of Electrical and Electronics Engineers. Local and metropolitan area networks: port-based network access control. IEEE Standard 802.1X, September 2001.
4. Institute of Electrical and Electronics Engineers. IEEE Standard for local and metropolitan area networks. Part 16: Air interface for fixed and mobile broadband wireless access systems. Amendment 2: Physical and medium access control layers for combined fixed and mobile operation in licensed bands and corrigendum 1. IEEE 802.16e Std, 2006.
5. Internet EngineeringTask Force. Point-to-Point Tunnelling Protocol (PPTP). IETF, RFC 2637, 1999.