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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
BITS
See building-integrated timing supply (BITS) (page 21).
bit-transparent data service (BTDS)
Nortel Multiservice Switch application that transports continuous synchronous
data (isochronous) that has already been subjected to some form of encoding
across the network without interpretation. The continuous data stream is
broken into fixed sized cells and sent through the network.
block
A a series of contiguous memory locations. User data is stored in a block. All
blocks are assumed to be the same length, usually a binary (power of 2)
number of words. Memory blocks are linked together to form buffers.
BNX
The Bay Networks network element running hyperstream software.
BNX-Iwf
BNX interworking function. The set of capabilities that permits frame relay
services over IP connections between virtual routers on a Nortel Multiservice
Switch
15000 or Multiservice Switch 20000 node and a Bay Networks
network element running hyperstream software (BNX).
BNX-Iwf DLCI
BNX interworking function DLCI. A type of FrUni DLCI that is required for
interworking between the Bay Networks network element running
hyperstream software (BNX) and the Nortel Multiservice Switch
15000 or
Multiservice Switch
20000 node supporting frame relay over IP.
BOM
See beginning of message (BOM) (page 19).
border gateway protocol (BGP)
Border gateway protocol (BGP) is an inter-autonomous systems routing
protocol for the Internet.
border node
A logical node at the edge of some kind of networking boundary, such as a
topology region, peer group, or cluster.
bootstrap router (BSR)
A dynamically elected router within a PIM domain that is responsible for
constructing the RP-Set and originating bootstrap messages.