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operational margin

Abbreviations / Acronyms / Synonyms:

margin

Definitions:

  A spare amount or measure or degree allowed or given for contingencies or special situations. The allowances carried to account for uncertainties and risks.
Sources:
NIST SP 800-160v1r1 under margin from MTR210263

  The margin that is designed explicitly to provide space between the worst normal operating condition and the point at which failure occurs (derives from physical design margin).
Sources:
NIST SP 800-160v1r1 from Systems Engineering and System Definitions