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List of terms
layer
In the OSI reference model, a collection of related network processing functions that comprise one level of a hierarchy of functions.
LC
1See link controller (LC) (page 72).
2See logical channel (LC) (page 76).
LCN
See logical channel number.
LCo
See logical connection (LCo) (page 76).
LD-CELP
See
LDS
See link delay synchronization (LDS) (page 73).
leaf
Is sometimes used interchangeably with party. However, a leaf more accurately denotes any single destination point of a
LEN
See
level
In ATM networking, a level is the position in the PNNI hierarchy at which a particular node or peer group exists. A level that has a smaller numerical value implies greater topology aggregation. Conversely, a level that has a larger numerical value implies less topology aggregation. Smaller numerical values indicate high levels while larger numerical values indicate lower levels.
LG
See link group (LG) (page 73).
LGN
See logical group node (LGN) (page 76).
LGN Horizontal Link Hello protocol
The LGN (logical group node) Horizontal Link Hello protocol is a protocol run over an SVCC RCC channel to discover and monitor logical links between neighboring logical group nodes.
Nortel Multiservice Switch 7400/15000/20000
Terminology
PCR7.2 and up March 2006
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