system generation (SYSGEN)The process of selecting optional parts of an operating system and of creating a particular operating system tailored to the requirements of a data…
system high mode1. [An] information system (IS) security mode of operation wherein each user, with direct or indirect access to the information system (IS), its…
system indicator[A] symbol or group of symbols in an off-line encrypted message identifying the specific cryptosystem or key used in the encryption. [INFOSEC-99]
system integrationThe progressive linking and testing of system components to merge their functional and technical characteristics into a comprehensive, interoperable…
System IntegrityThe quality that a system has when it performs its intended function in an unimpaired manner, free from unauthorized manipulation of the system, whether…
system interconnection security policy (SISP)A bilateral memorandum of agreement between two System Managers on the security aspects of an interconnection between their two systems [CESG].
system internal interface (SII)The interface between application platform service components within that platform; it may be standardized or non-standard [POSIX.0].
system keyA key used to provide privacy to an encrypted object as it transits a communications network. [After X9.69]
system life cycleThe course of developmental changes through which a system passes from its conception to the termination of its use and subsequent salvage.
system loadingIn a frequency-division multiplexed (FDM) transmission system, the absolute power level of the composite signal transmitted in one direction.
system managementNetwork management functions extended to include subscriber elements or user end instruments. 2. In computer systems, synonym system administration.
System ManagerA general term of reference to those organizations directed by individual managers, exercising authority over the planning, direction, and control, of…
system operational thresholdFor a supported performance parameter of a system, the value that establishes the minimum operational service performance level for the parameter.
system profile[In INFOSEC, the] detailed security description of the physical structure, equipment component, location, relationships, and general operating environment…
system reliabilityThe probability that a system, including all hardware, firmware, and software, will satisfactorily perform the task for which it was designed or intended…
system robustnessThe measure or extent of the ability of a system, such as a computer, communications, data processing, or weapons system, to continue to function despite…
system security[In INFOSEC, the] degree of security as determined by evaluation of the totality of all system elements and INFOSEC countermeasures. [INFOSEC-99]
system security engineeringThe effort to achieve and maintain optimal security and survivability of a system throughout its life cycle. [INFOSEC-99]
system security evaluationRisk assessment of a system, considering its vulnerabilities and perceived security threat. [INFOSEC-99]
system security officerThe person responsible to the System Manager for writing, enforcing and reviewing Security Operating Procedures (SyOPs) [CESG].
system security policy (SSP)1. The set of laws, rules and practices that regulate how sensitive information and other resources are managed, protected and distributed within a…
system servicesFirmware and software that provide an aggregation of network element functions into a higher level function; provide an interface to the data contained in…
system services APIAn interface providing access to services associated with the application's internal resources [POSIX.0].
system signaling and supervisionIn transmission systems, any scheme used to provide such functions as system control, addressing, routing, error detection and correction, level control…
System SoftwareThe special software within the cryptographic boundary (e.g., operating system, compilers or utility programs) designed for a specific computer system or…
system standardIn the military community, the system-specific characteristics, not dictated by the individual components' electrical performance characteristics, but…
system supervisionIn telephone systems, the use of signals and techniques to perform system management functions, such as system control, addressing, routing, error…
system supportThe continued provision of services and material necessary for the use and improvement of a system during its life cycle.
system test timeThe part of operating time during which a functional unit is tested for proper operation.
systems controlIn a communications system, the control and implementation of a set of functions that (a) prevent or eliminate degradation of any part of the system, (b)…
systems designA process of defining the hardware and software architecture, components, modules, interfaces, and data for a system to satisfy specified requirements. 2.
Systems EngineeringAn interdisciplinary approach to evolve and verify an integrated and life cycle balanced set of system product and process solutions. 287