BACP - Bandwidth Allocation Control Protocol (PPP suite)

BAP - Bandwidth Allocation Protocol (PPP suite)

BCAST - Broadcast Protocol (Novell protocols)

BCC - Broadcast Call Control

BCP - Bridging Control Protocol (PPP suite)

BGP-4 - Border Gateway Protocol (TCP/IP)

B-ICI - BISDN Inter Carrier Interface (ATM PNNI Signalling)

BMP (Burst) - Burst Mode Protocol (Novell protocols)

BPDU - Bridge Protocol Data Unit

BRE - Bridge Relay Encapsulation, proprietary Ascom Timeplex protocol that extends bridging across WAN links by means of encapsulation (Frame Relay).

BVCP - PPP Banyan VINES Control Protocol (PPP suite)