System InterconnectionThe direct connection of two or more IT systems for the purpose of sharing data and other information resources.
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 MixThe proportion of electricity distributed by a power provider that is generated from available sources such as coal, natural gas, petroleum, nuclear…
System Operation and Integration Functions (SOIF)The automated activities of tracking, communications, asset management, and battle plan execution, which are executed under the guidance of the Command…
System Operational ConceptA formal document that describes the intended purpose, employment, deployment, and support of a system.
system operational thresholdFor a supported performance parameter of a system, the value that establishes the minimum operational service performance level for the parameter.
system policiesPolicies that apply to server-side objects, such as mailbox stores, public folder stores, and servers. [Exchange 2003]
System PostureA USSPACECOM system of graduated readiness steps to bring the strategic BMD system to fully generated alert, similar to the USSTRATCOM concept of…
system profile[In INFOSEC, the] detailed security description of the physical structure, equipment component, location, relationships, and general operating environment…
System Program Office (SPO)The office of the program manager and the point of contact with industry, government agencies, and other activities participating in the system…
system promptA short audio recording, installed on the Exchange Unified Messaging server, that is played to callers by the server.
System ReadinessSystem Readiness includes the development of OPLANs necessary to carry out the assigned mission, using strategy and guidance provided by higher authority…
System Readiness ObjectiveA criterion for assessing the ability of a system to undertake and sustain a specified set of missions at planned peacetime and wartime utilization rates.
System RegistryThe system configuration files used by Microsoft Windows to store settings about user preferences, installed software, hardware and drivers, and other…
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 Requirements Analysis (SRA)An analysis of the operational system requirements, as defined in the System Concept Paper and other approved requirements documents, used to determine…
System Requirements Review (SRR)Conducted to ascertain progress in defining system technical requirements. Determines the direction and progress of the systems engineering effort and the…
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 Engineering (SSE)An element of system engineering that applies scientific and engineering principle to identify security vulnerabilities and minimize or contain risks…
system security evaluationRisk assessment of a system, considering its vulnerabilities and perceived security threat. [INFOSEC-99]
System Security Management Plan (SSMP)A formal document that fully describes the planned security tasks required to meet system security requirements, including organizational…
system security officerThe person responsible to the System Manager for writing, enforcing and reviewing Security Operating Procedures (SyOPs) [CESG].
System Security PlanFormal document that provides an overview of the security requirements for the information system and describes the security controls in place or planned…
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 tablesTables which contain information about a database, such as the data dictionary and database transactions.
system test timeThe part of operating time during which a functional unit is tested for proper operation.
System Threat Assessment Report (STAR)Required by DoD 5000.2 and validated by DIA. Establishes the threat (to a Service's Mission Area) and is part of basis for considering mission deficiency…
system volumeThe first volume that is accessed when a computer starts up. This volume contains the hardware-specific files that are required to load Windows and…
System-Critical FunctionA function that is necessary for the successful accomplishment of the system's mission.
System-specific Security ControlA security control for an information system that has not been designated as a common security control.
System-Valued AssetA system element/component, function, or information element, which is critical to the proper operation and well being of the SDS. 288
Systematic riskSystematic risk, also called market risk, is risk that's characteristic of an entire market, a specific asset class, or a portfolio invested in that asset…
Systematic withdrawalSystematic withdrawal is a method of receiving income in regular installments from your mutual fund accounts, retirement plans, or annuity contracts.
systematic withdrawal plansA withdrawal feature offered by companies whereby unit holders can receive regular payment from their investments.
systemic chemotherapy(sis-TEH-mik KEE-moh-THAYR-uh-pee) Treatment with anticancer drugs that travel through the blood to cells all over the body.
systemic disease(sis-TEH-mik dih-ZEEZ) Disease that affects the whole body.
systemic inflammatory response syndrome(sis-TEH-mik in-FLA-muh-TOR-ee reh-SPONTS SIN-drome) A serious condition in which there is inflammation throughout the whole body.
systemic lupus erythematosus(sis-TEH-mik LOO-pus ER-ih-THEE-muh-TOH-sus) A chronic, inflammatory, connective tissue disease that can affect the joints and many organs, including the…
systemic mastocytosis(sis-TEH-mik MAS-toh-sy-TOH-sis) A rare disease in which too many mast cells (a type of immune system cell) are found in the skin, bones, joints, lymph…
systemic radiation therapy(sis-TEH-mik RAY-dee-AY-shun THAYR-uh-pee) A type of radiation therapy in which a radioactive substance, such radioactive idoine or a radioactively…
systemic scleroderma(sis-TEH-mik SKLEH-roh-DER-muh) A disease that is marked by hardening and thickening of skin, connective tissue that surrounds other tissues and organs…
systemic sclerosis(sis-TEH-mik skleh-ROH-sis) A disease that is marked by hardening and thickening of skin, connective tissue that surrounds other tissues and organs, and…
Systemic Therapy(sis-TEH-mik THAYR-uh-pee) Treatment using substances that travel through the bloodstream, reaching and affecting cells all over the body.
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
Systems Engineering Management Plan (SEMP)This plan documents: (1) Management of the systems engineering process, (2) Integration of the required technical specialties; (3) Performance measures…