Documents by G. Pall
1997, RFC2097: The PPP NetBIOS Frames Control Protocol (NBFCP)
1997, RFC2118: Microsoft Point-To-Point Compression (MPPC) Protocol
1999, RFC2637: Point-to-Point Tunneling Protocol (PPTP)
1999, RFC2661: Layer Two Tunneling Protocol "L2TP"
2001, RFC3078: Microsoft Point-To-Point Encryption (MPPE) Protocol