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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
bandwidth-elastic connection
See elastic connection (page 47).
bandwidth-non-elastic connection
See non-elastic connection (page 90).
bandwidth management
Allows both connectionless and path-oriented traffic to share the same Nortel
Multiservice Switch trunk while ensuring that trunk bandwidth is not
oversubscribed to by circuits carrying voice and video traffic. Bandwidth is
reserved for the duration of a logical connection and can be partitioned among
services according to their priorities, minimizing the probability that voice and
video traffic is discarded.
bandwidth on demand (BWOD)
Capability enabling users to acquire varying amounts of bandwidth on
request.
bandwidth pools
In ATM traffic management, a method of reserving by service category a
percentage of link bandwidth (known as a bandwidth pool) for connections.
basic rate interface (BRI)
The interface between an ISDN subscriber and the ISDN switch (that is, the
local loop). The interface consists of two 64 kbit/s B-channels and one 16 kbit/
s D-channel.
basic virtual path terminator
A type of virtual path terminator that provides traffic management at the VC
level only.
Bc
See committed burst size (Bc) (page 30).
BC
See bus controller (BC) (page 22).
BCD
See binary-coded decimal (BCD) (page 19).
BCI
See backward congestion indication (BCI) (page 17).
BCS
1 See bus control system (BCS) (page 22).