ec-02 - University of Southern California Center for...

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University of Southern California Center for Systems and Software Engineering Value-Based Software Engineering and the Incremental Commitment Model Barry Boehm, USC CS 510, 577a Lecture Fall 2009
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University of Southern California Center for Systems and Software Engineering Outline VBSE theory and process overview Implementing VBSE via the Incremental Commitment Model ICM nature, origins, and framework Example commercial application Decision table for common special cases Conclusions and references August 26, 2009 © USC-CSSE 2
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University of Southern California Center for Systems and Software Engineering Theory W: Enterprise Success Theorem – And informal proof Theorem: Your enterprise will succeed if and only if it makes winners of your success-critical stakeholders Proof of “if”: Everyone that counts is a winner. Nobody significant is left to complain. Proof of “only if”: Nobody wants to lose. Prospective losers will refuse to participate, or will counterattack. The usual result is lose-lose. August 26, 2009 © USC-CSSE 3
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University of Southern California Center for Systems and Software Engineering Theory W: WinWin Achievement Theorem Making winners of your success-critical stakeholders requires: i. Identifying all of the success-critical stakeholders (SCSs). ii. Understanding how the SCSs want to win. iii. Having the SCSs negotiate a win-win set of product and process plans. iv. Controlling progress toward SCS win-win realization, including adaptation to change. August 26, 2009 © USC-CSSE 4
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University of Southern California Center for Systems and Software Engineering Initial VBSE Theory: 4+1 Engine: Theory W (stakeholder win-win): What values are important? Enterprise Success Theorem Theory of Justice Win-Win Equilibrium and Negotiation Four Supporting Theories Dependency Theory: How do dependencies affect value realization? Results chains; value chains; cost/schedule/performance tradeoffs Utility Theory: How important are the values? Multi-attribute utility; Maslow need hierarchy Decision Theory: How do values determine decisions? Investment theory; game theory; statistical decision theory Control Theory: How to monitor and control value realization Feedback control; adaptive control; spiral risk control August 26, 2009 © USC-CSSE 5
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University of Southern California Center for Systems and Software Engineering VBSE Theory 4+1 Structure August 26, 2009 © USC-CSSE 6 Utility Theory Theory W: SCS Win-Win Decision Theory Dependency Theory Control Theory How do dependencies affect value realization? How to adapt to change and
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ec-02 - University of Southern California Center for...

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