The PPP Internet Protocol Control Protocol (IPCP). - Glenn McGregor (RFC, 1992)

The PPP Multilink Protocol (MP). - Keith Sklower; Brian Lloyd; Glenn McGregor; Dave Carr (RFC, 1994)

The PPP Multilink Protocol (MP). - Keith Sklower; Brian Lloyd; Glenn McGregor; Dave Carr; Tom Coradetti (RFC, 1996)