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Simulation is

[s]oftware that enables the user to experience a realistic reproduction of an actual situation. Computer-based simulations often involve situations that are very costly or high risk (e.g., flight simulation training for pilots).[1]
[t]he process of operating a model of an enterprise-wide or business line activity in order to test the functionality of the model. Computer systems may support the simulation of business models to aid in evaluating the BCP.[2]
[is] a method for implementing a model over time. Also, a technique for testing, analysis, or training in which real-world systems are used, or where real-world and conceptual systems are reproduced by a model.[3]
[a] model that behaves or operates like a given process, concept, or system when provided a set of controlled inputs.[4]


  1. Adult Literacy and New Technologies: Tools for a Lifetime, at 254.
  2. FFIEC IT Examination Handbook, Business Continuity Planning, Appendix B: Glossary (full-text).
  3. DOD Directive 5000.59 (Aug. 8, 2007) (full-text).
  4. DHS Risk Lexicon, at 34.