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Reducing the cost of risk-based testing: management of testing options to manage risk in test and evaluation

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Author
Pfeiffer, Karl D.
Kanevsky, Valery A.
Housel, Thomas J.
Date
2009
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Abstract
In the acquisition or management of complex systems, testing is the means by which we trade budget or schedule for information about the likelihood our system will work correctly under operational load. Branch paths in hardware and software increase as a function of the number of components and interconnections, leading to exponential growth in the number of test cases required for exhaustive examination, or perfect knowledge, of a complex system. In practice, the typical cost for testing in schedule or in budget means that only a small fraction of these paths are investigated. In this work, we develop an abstract model to describe system testing and the information return (or reduction in risk) for the attendant cost in time and mondey. This model is supported by a mathematical analysis suitable for Monte Carlo simulation. The long-term goal of this modeling work is to construct a decision-support tool for the Navy Program Executive Office Integrated Warfare Systems (PEO IWS) offering quantitative information about cost versus diagnostic certainty in system testing.
URI
https://hdl.handle.net/10945/635
NPS Report Number
NPS-GSBPP-09-027
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  • All Technical Reports Collection
  • Faculty and Researchers' Publications
  • Graduate School of Business and Public Policy (NPS-GSBPP)

Related items

Showing items related by title, author, creator and subject.

  • Thumbnail

    Reducing the Cost of Risk-based Testing: Management of Testing Options to Manage Risk in Test and Evaluation 

    Pfeiffer, Karl D.; Kanevsky, Valery A.; Housel, Thomas J. (2009-07-01); NPS-AM-09-114
    In the acquisition or management of complex systems, testing is the means by which we trade budget or schedule for information about the likelihood our system will work correctly under operational load. Branch paths in ...
  • Thumbnail

    Mathematical modeling for risk-based system testing 

    Pfeiffer, Karl D.; Kanevsky, Valery A.; Housel, Thomas J. (Monterey, California. Naval Postgraduate School, 2009); NPS-GSBPP-09-028
    Testing of complex systems is a fundamentally difficult task whether locating faults (diagnostic testing) or implementing upgrades (regression testing). Branch paths through the system increase as a function of the number ...
  • Thumbnail

    Mathematical Modeling for Optimal System Testing under Fixed-cost Constraint 

    Pfeiffer, Karl D.; Kanevsky, Valery A.; Housel, Thomas J. (2009-04-01); NPS-AM-09-023
    Testing of complex systems is a fundamentally difficult task, whether locating faults (diagnostic testing) or implementing upgrades (regression testing). Branch paths through the system increase as a function of the number ...
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