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service

Definition(s):

  Performance of activities, work, or duties.
Source(s):
NIST SP 800-160 Vol. 1 from ISO/IEC/IEEE 12207

  A software component participating in a service-oriented architecture that provides functionality or participates in realizing one or more capabilities.
Source(s):
NIST SP 800-95 under Service from Open Grid Services Architecture Glossary of Terms

  A capability or function provided by an entity.
Source(s):
NIST SP 800-160 Vol. 1

  A set of related IT components provided in support of one or more business processes.
Source(s):
NISTIR 7693 under Service