Nortel 15000 Terminology page 134

timer-mode accounting
When TODA is disabled, an accounting record is generated every 12 hours for
each connection.
TM
See traffic management (TM) (page
TMS
See Time Management System (TMS) (page
TODA
See time-of-day accounting (TODA) (page
topology maintenance
A software system that performs network topology discovery and
maintenance for the Nortel Multiservice Switch node.
topology region
A group of interconnected Nortel Multiservice Switch nodes that share
topological routing information.
topology database
The database that describes the topology of the entire PNNI routing domain
as seen by a node. Each node that participates in a PNNI network maintains
a topology database.
topology metric
A generic term that refers to either a link metric or a nodal metric.
tos
See type of service (page
TPID
See tag protocol identifier (TPID) (page
TPT
See tandem pass through (TPT) (page
trace connection
A new signaling message used by the trace source node to initiate the
connection trace feature.
trace connection acknowledge
A new signalling message used by the trace destination node to acknowledge
the trace connection message.
Copyright © 2006, Nortel
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List of terms
137).
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
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Nortel Confidential