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Software Dependability: The Next Step

Software Dependability: The Next Step. Michael Evangelist Fraunhofer Center for Experimental Software Engineering College Park, MD. Barry’s Questions. Look at software engineering products processes (including methods, tools, and engineering principles) management technology transition

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Software Dependability: The Next Step

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  1. Software Dependability: The Next Step Michael Evangelist Fraunhofer Center for Experimental Software Engineering College Park, MD

  2. August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  3. Barry’s Questions • Look at software engineering • products • processes (including methods, tools, and engineering principles) • management • technology transition • Focus on high-impact research solutions for high-priority DoD needs August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  4. High Dependability • Ubiquity of computing and the coming nano revolution demand higher dependability • for defense and commercial systems • Not only dependable software but also • dependable development process • dependable acquisition process • dependable research process August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  5. High-Dependability Research Model Careful Problem Discovery New Principles and Technologies Rigorous Evaluation and Feedback Framework-Based Technology Transition August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  6. Example Evaluation Results in High-Dependability Computing • [Basili et al.] Controlled evaluation experiments • comparing code reading vs. functional testing vs. structural testing • on effectiveness of Ada for flight-dynamics software • on effectiveness of Independent Verification & Validation August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  7. Potential Experimentation on High-Dependability Technologies • Verification: model-checking (Clarke et al.), proof-carrying code (Lee and Necula), ... • Synthesis: generate distributed programs from high-level temporal-logic specifications (Attie et al.) • Self-stabilizing systems: system guaranteed to converge to “good” state under stress (Arora et al.) • .... August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

  8. Summary • In 21st Century, DoD must focus on high-dependability computing • new products, principles, theory • plus high-dependability research model to provide sound framework for research and technology transition • Without improved model, DoD gets less ROI • Research community loses impact August 7, 2001 - Fraunhofer Center for Experimental Software Engineering

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