An operational mode during which a system is operating within specified movement limits relative to a reference.

See tracking mode.

1. The information moved over a communication channel.
2. A quantitative measurement of the total messages and their length, expressed in CCS or other units, during a specified period of time.

1. In a communications system, the analysis of traffic rates, volumes, densities, capacities, and patterns specifically for system performance improvement. [From Weik '89]
2. [The] study of communications characteristics external to the text. [NIS]
3. The analysis of the communications-electronic environment for use in the design, development, and operation of new communications systems. [From Weik '89]
4. In cryptology, the… (Read More →)

The maximum traffic per unit of time that a given telecommunications system, subsystem, or device can carry under specified conditions.

[A] key used to encrypt plain text or to superencrypt previously encrypted text and/or to decrypt cipher text. [INFOSEC-99]

The determination of the numbers and kinds of circuits and quantities of related terminating and switching equipment required to meet anticipated traffic loads throughout a communications system.

A confidentiality service to protect against traffic analysis [7498-2].

A measure of the average occupancy of a facility during a specified period of time, normally a busy hour, measured in traffic units (erlangs) and defined as the ratio of the time during which a facility is occupied (continuously or cumulatively) to the time this facility is available for occupancy.
Note: A traffic intensity of one traffic unit (one erlang)… (Read More →)

The total traffic carried by a trunk or trunk group during a specified time interval.