the information produced by the developer of a Target of Evaluation to specify and explain how customers should use it [ITSEC].

1. The set of procedures, methods, tools and standards used during system operation [CESG]. See also: Development Environment.
2. The organizational measures, procedures and standards to be used whilst operating a Target of Evaluation [ITSEC].

Key intended for use over-the-air for protection of operational information or for the production or secure electrical transmission of key streams. [INFOSEC-99]

The total power requirements for communications facilities.

1. A period during which a telecommunications service remains in an operational state.
Note: The operational state must be defined in accordance with specified criteria.
2. A performance measurement period, or succession of performance measurement periods, during which a telecommunications service remains in an operational service state.
Note: An operational service period begins at the beginning of the performance measurement… (Read More →)

During any performance measurement period, a telecommunications service condition that existed when the calculated values of specified performance parameters were equal to or better than their associated outage thresholds.

The term denoting the general classifications of services rendered to the public for which separate tariffs are filed, namely exchange, state toll and interstate toll. [47 CFR Pt.36-A]

Code composed largely of words and phrases suitable for general communications use. [INFOSEC-99]

[The] process denying to potential adversaries information about capabilities and/or intentions by identifying, controlling and protecting generally unclassified evidence of the planning and execution of sensitive activities. [NIS]

[The] Process denying information to potential adversaries about capabilities and/or intentions by identifying, controlling, and protecting unclassified generic activities. [INFOSEC-99]