Combined HW/SW Reliability Models.

Abstract

A general methodology is developed for combining hardware and software reliability. Based on this general methodology, a baseline combined HW/SW reliability was developed incorporating and unifying the SW reliability theory of Jelinski-Moranda, Goel-Okumoto with traditional HW reliability theory. The baseline model is computerized and includes various HW/SW failure and repair characteristics, allowance for imperfect SW debugs and modes of HW/SW interaction. Finally a HW/SW tradeoff procedure is developed using a combined HW/SW availability measure. Examples are provided to illustrate the general theory and tradeoff procedure. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1982
Accession Number
ADA116566

Entities

People

  • J. B. Bowen
  • J. E. Angus
  • Jay W. McDaniel
  • L. E. James

Organizations

  • Hughes Aircraft Company

Tags

Communities of Interest

  • Sensors
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Computational Science
  • Computer Programming
  • Computer Programs
  • Computers
  • Debugging
  • Differential Equations
  • Downtime
  • Maintenance
  • Markov Processes
  • Operating Systems
  • Probabilistic Models
  • Probability
  • Random Variables
  • Reliability
  • Software Development
  • Software Testing
  • Stochastic Processes

Fields of Study

  • Engineering

Readers

  • Distributed Systems and Data Platform Development
  • Software Engineering.
  • Theoretical Analysis.