Download e-book for kindle: Agile Software Requirements: Lean Requirements Practices for by Dean Leffingwell

Software

By Dean Leffingwell

ISBN-10: 0321635841

ISBN-13: 9780321635846

“We want higher techniques to knowing and coping with software program specifications, and Dean presents them during this booklet. He attracts principles from 3 very priceless highbrow swimming pools: classical administration practices, Agile tools, and lean product improvement. through combining the strengths of those 3 techniques, he has produced whatever that works greater than anybody in isolation.”
–From the Foreword by means of Don Reinertsen, President of Reinertsen & affiliates; writer of handling the layout manufacturing unit; and top professional on quick product development

Effective requisites discovery and research is a severe most sensible perform for critical program improvement. previously, although, specifications and Agile equipment have not often coexisted peacefully. for lots of organisations contemplating Agile techniques, the absence of potent and scalable Agile requisites procedures has been a showstopper for Agile adoption. In Agile software program standards, Dean Leffingwell indicates precisely how you can create potent requisites in Agile environments.

Part I offers the “big picture” of Agile standards within the firm, and describes an total approach version for Agile specifications on the undertaking workforce, application, and portfolio levels

Part II describes an easy and light-weight, but finished version that Agile undertaking groups can use to control requirements

Part III indicates tips to strengthen Agile necessities for complicated platforms that require the cooperation of a number of teams

Part IV courses firms in constructing Agile requisites for ever-larger “systems of systems,” software suites, and product portfolios

This ebook may help you leverage some great benefits of Agile with out sacrificing the price of powerful requisites discovery and research. You’ll locate confirmed ideas you could follow correct now–whether you’re a software program developer or tester, government, project/program supervisor, architect, or staff chief.

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Extra info for Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise

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For the largest companies, completed projects delivered only 42% of the original features and functions. In addition, it appears that an ineffective treatment of requirements was a primary root cause, because these were the three most common factors that caused projects to be “challenged”: ‹‹ Lack of user input: 13% of all projects ‹‹ Incomplete requirements and specifications: 12% of all projects ‹‹ Changing requirements and specifications: 12% percent of all projects Requirements in the Waterfall Model: The Iron Triangle Requirements Of course, we can’t say for certain that applying a rigid waterfall-based requirements process was the root cause, but in any case it’s clear that misunderstood and changing requirements had a huge impact on project success, and the waterfall model was the dominant process model in effect at the time.

So, in the past two decades, the movement to more “agile” and “leaner” software development methodologies, including lighter weight but still safe and effective treatment of application requirements, has been one of the most significant factors affecting the industry. Simply, we need processes that provide even better safety and governance than we have experienced but without the burden. We want the best of both worlds. So, this migration to more rapidly exploratory and lighter-weight processes has been a consistent theme over time, as Figure 1–1 shows.

Reduce Batch Size. 5. Apply WIP Constraints. 6. Control Flow: Cadence and Synchronization. 7. Apply Fast Feedback. 8. Decentralize Control. Pillar 2: Continuous Improvement Foundation: Management Support Management Applies and Teaches Lean Thinking, Bases Decisions on This Long-Term Philosophy. org [Larman and Vodde], Reinertsen 2009 8. pdf Wow! Com> 22 c haPteR 1 ‹ a B Rief h istoRy of s oftwaRe R equiRements m ethods The first four elements—the roof, pillars 1 and 2, and the foundation—provide the philosophical framework for lean software thinking.

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Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise by Dean Leffingwell


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