Glossary T
Centillion 1200N ATM Switch User Manual B-79
NTP 297-8103-903
TOF
Time Out Factor: An ABR service parameter, TOF controls the maximum time
permitted between sending forward RM -cells before a rate decrease is requir ed. It
is signaled as TOFF where TOF=TOFF+1. TOFF is a power of 2 in the range: 1/8
to 4,096.
TOFF
Time Out Factor: Refer to TOF.
Topology Aggregation
The process of summarizing and compressing topology information at a
hierarchical level to be advertised at the level above.
Topology Attribute
A generic term that refers to either a link attribute or a nodal attribute.
Topology Constraint
A topology constraint is a generic term that refers to either a link constraint or a
nodal constraint.
Topology Database
The database that describes the topology of the entire PNNI routing domain as seen
by a node.
Topology Metric
A generic term that refers to either a link metric or a nodal metric.
Topology State Parameter
A generic term that refers to either a link parameter or a nodal parameter.
TP-MIC
Twisted-Pair Media Interface Connector: This refers to the connector jack at the
end user or network equipment that receives the twisted pair plug.
TPCC
Third Party Call Control: A connection setup and management function that is
executed from a third party that is not involved in the data flow.