More about software requirements : thorny issues and by Karl Wiegers

By Karl Wiegers

irrespective of how a lot guide you've gotten had on handling software program necessities, there isn't any alternative for adventure. Too usually, classes approximately specifications engineering procedures lack the no-nonsense information that helps real-world strategies. Complementing the easiest practices provided in his ebook, software program specifications, moment version, specifications engineering authority Karl Wiegers tackles much more of the genuine matters head-on during this book.

With trouble-free, expert recommendation and functional strategies in response to genuine venture stories, this ebook solutions a few of the tricky questions raised through execs. From suggestions for estimating and dealing with shoppers to the nuts and bolts of documenting requisites, this crucial spouse offers builders, analysts, and executives the cosmic truths that follow to almost each software program improvement project.

become aware of how to:

  • Make the enterprise case for making an investment in greater requisites practices
  • Generate estimates utilizing 3 particular techniques
  • Conduct questions to elicit significant enterprise and person requirements
  • Clearly record undertaking scope
  • Implement use situations, eventualities, and consumer tales effectively
  • Improve inspections and peer reviews
  • Write specifications that stay away from ambiguity

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Extra resources for More about software requirements : thorny issues and practical advice

Sample text

21 What Can Better Requirements Do for You? . . . . . . . . . . . . . . . 23 The Investment. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 The Return. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 An Economic Argument . . . . . . . . . . . . . . . . . . . . . . . . 28 Managers often ask me what return on investment (ROI) they can expect from the money they spend on training, process improvement, and tools for requirements engineering.

If you need to estimate exactly when your company will be able to sell the product, you’ll need to include contingency buffers to account for the estimation uncertainty. False precision in an estimate implies unjustified accuracy. Estimation Approaches Several estimation techniques can be applied to software projects. Following is a brief summary of some of those methods. Bottom-up Bottom-up estimation is based on a breakdown of the project into individual elements, each of which is estimated separately.

Customers often claim they can’t spend time working on requirements. However, customers who aren’t happy because the delivered product missed the mark always find plenty of time to point out the problems. The development team is going to get the customer input it needs eventually. It’s a lot cheaper—and a lot less painful—to get that input early on, rather than after the project is ostensibly done. Customer involvement requires more than a workshop or two early in the project. Ongoing engagement by suitably empowered and enthusiastic customer representatives is a critical success factor for software development.

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