BGlossary
B-12 Centillion 1200N ATM Switch User Manual
NTP 297-8103-903
BNC
Bayonet-Neill-Concelman: A bayonet-locking connector for slim coaxial cables,
like those used with Ethernet.
BOM
Beginning of Message: An indicator contained in the first cell of an ATM
segmented packet.
Border Node
A logical node that is in a specified peer group, and has at least one link that crosses
the peer group boundary.
BP
Back Pressure: Propagation effects in a communications network of hop-by-hop
flow control to upstream nodes.
BPDU
Bridge Protocol Data Unit: A message type used by bridges to exchange
management and control information.
BPP
Bridge Port Pair (Source Routing Descriptor): Frame header information
identifying a bridge/LAN pair of a Source route segment.
Broadband
A generic term referring to any network, traffic type or device providing or
requiring a large amount of bandwidth. A service or system requiring trans mission
channels capable of supporting rates greater than the Integrated Services Digital
Network (ISDN) primary rate.
Broadband Access
An ISDN access capable of supporting one or more broadband services.
Broadcast
Data transmission to all addresses or func tio ns.
BT
Burst Tolerance: BT applies to ATM connections supporting VBR services and is
the limit parameter of the GCRA.