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Panasonic 15000 User Manual

Page 76

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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

logical channel (LC)

A logical division of a Nortel Multiservice Switch trunk that constitutes part of
a path. A logical channel is used in a single direction and is locally identified
by a logical channel number.

logical connection (LCo)

A logical connection is an association between two endpoints in the Nortel
Multiservice Switch network for the purpose of exchanging data.

logical group node (LGN)

An abstract representation of a lower level peer group as a single point for
purposes of operating at one level of the PNNI routing hierarchy.

logical link

The combination of logical node identifier and logical port identifier.

logical network (LN)

A logical network is a set of Nortel Multiservice Switch nodes and transport
facilities (links) that support a particular address plan and packet format.
Logical networks allow different customers to set up logically distinct networks
using the same physical resources—even the same address scheme, routing
protocol, packet formats, and packet forwarding algorithms.

logical network number (LNN)

An identifier for a logical network.

logical node (LN)

A lowest level node or a logical group node.

logical node identifier (LNID)

A string of bits that unambiguously identifies a logical node within a routing
domain.

logical port identifier (ID)

Identifies a logical port on the logical node that the connection is to traverse
or has traversed.

logical processor (LP)

A body of software that can be mapped to a processor card to deliver one or
more Nortel Multiservice Switch services or capabilities. Logical processor-to-
card mapping can vary depending on sparing configuration and hardware
availability.