Conductors that are separately supported with insulators on poles or towers above the surface of the Earth.
Note 1: Open wire conductors may be insulated or uninsulated.
Note 2: Open wire may be used in both communication applications and power applications.

1. In INFOSEC, an environment in which protection of data and resources from accidental or malicious acts is achieved through normal operational procedures. [After 2382-pt.8]
2. [An] environment that does not provide sufficient assurance that applications and equipment are protected against the loss of confidentiality, integrity, or availability. [INFOSEC-99]

An entity on which an operation is performed.

A set of rules defining the correct use of a Target of Evaluation [ITSEC].

An integrated collection of routines that service the sequencing and processing of programs by a computer.
Note: An operating system may provide many services, such as resource allocation, scheduling, input/output control, and data management. Although operating systems are predominantly software, partial or complete hardware implementations may be made in the form of firmware.

Synonym platform.

1. The time interval between the instant of occurrence of a specified input condition to a system and the instant of completion of a specified operation.
2. In communications, computer, and information processing systems, the time interval between the instant a request for service is received from a user and the instant of final release of all facilities by the… (Read More →)

1. The method, act, process, or effect of using a device or system.
2. A well-defined action that, when applied to any permissible combination of known entities, produces a new entity, e.g., the process of addition in arithmetic--in adding 5 and 3 to obtain 8, the numbers 5 and 3 are the operands, the number 8 is the result, and… (Read More →)

Maximum functional commonality or interworking of Business Support Systems (BSS), Operations Support Systems (OSS), network management, service provisioning, billing, et cetera across all service types (data, voice, video and any combination thereof) within the context of a Service Delivery Environment (SDE).

Protection of data from either accidental or unauthorized intentional modification, destruction, or disclosure during input, processing, storage, transmission, or output operations. [INFOSEC-99]