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enabling system

Definition(s):

  System that supports a system-of-interest during its life cycle stages but does not necessarily contribute directly to its function during operation.
Source(s):
NIST SP 800-160 Vol. 1 from ISO/IEC/IEEE 15288

  A system that provides support to the life cycle activities associated with the system-of-interest. Enabling systems are not necessarily delivered with the system-of-interest and do not necessarily exist in the operational environment of the system- of-interest.
Source(s):
NIST SP 800-160 Vol. 2 from ISO/IEC/IEEE 15288:2015