By Dean Leffingwell
“We desire higher ways to realizing and coping with software program requisites, and Dean presents them during this publication. He attracts principles from 3 very necessary highbrow swimming pools: classical administration practices, Agile tools, and lean product improvement. via combining the strengths of those 3 ways, he has produced anything that works greater than anybody in isolation.” –From the Foreword via Don Reinertsen, President of Reinertsen & affiliates; writer of handling the layout manufacturing facility; and top professional on speedy product improvement powerful standards discovery and research is a serious top perform for critical software improvement. formerly, even if, standards and Agile equipment have infrequently coexisted peacefully. for lots of agencies contemplating Agile techniques, the absence of powerful and scalable Agile requisites procedures has been a showstopper for Agile adoption. In Agile software program standards, Dean Leffingwell indicates precisely how one can create powerful necessities in Agile environments. half I provides the “big photo” of Agile standards within the firm, and describes an total technique version for Agile specifications on the undertaking crew, software, and portfolio degrees half II describes an easy and light-weight, but accomplished version that Agile undertaking groups can use to regulate standards half III exhibits find out how to boost Agile necessities for advanced platforms that require the cooperation of a number of groups half IV publications businesses in constructing Agile necessities for ever-larger “systems of systems,” software suites, and product portfolios This ebook may also help you leverage some great benefits of Agile with no sacrificing the price of powerful standards discovery and research. You’ll locate confirmed ideas you could follow correct now–whether you’re a software program developer or tester, govt, project/program supervisor, architect, or group chief.
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“We want higher ways to realizing and handling software program specifications, and Dean presents them during this ebook. He attracts rules from 3 very worthy highbrow swimming pools: classical administration practices, Agile equipment, and lean product improvement. through combining the strengths of those 3 methods, he has produced anything that works higher than anybody in isolation.
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Extra info for Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise (Agile Software Development Series)
More recently, a number of lighter-weight and more agile instantiations of RUP, including Agile RUP and OpenUP (an open source process under the auspices of the Eclipse foundation2), have become available. Requirements in Iterative Processes In iterative processes, we see a purposeful move away from the traditional big, upfront design (BUFD) requirements and design artifacts, such as software requirements specifications, design specifications, and the like, which served to define and govern implementations in waterfall implementations.
Xxxv Wow! Com> This page intentionally left blank Wow! Com> PART I overview: the Big PiCture If you can’t describe what you are doing as a process, you don’t know what you’re doing. —W. Edwards Deming Chapter 3 Chapter 4 Chapter 5 Investment Themes A Brief History of Software Requirements Methods The Big Picture of Agile Requirements Agile Requirements for the Team Agile Requirements for the Program Agile Requirements for the Portfolio Portfolio Backlog doc Epic 1 Portfolio Vision doc Epic 4 Roadmap Roaadm dmap ap Feature 2 Nonfunctional Requirements Plan Demo H H H H NFRs (Implemented by) Tasks Team Team Backlog Agile Teams Developers and Testers Program Stories Fit in Iterations Plan Scrum/Agile Master Features Fit in Releases Features and Components Stories Demo Product Owner Feature 4 Release (or PSI) Arch 1 Feature 3 Release Planning Team Backlog Feature 1 Release (or PSI) Release Theme and Objectives Release Planning System Team Team Backlog Release Management Systems, Applications, Products Release Planning Program Backlog kl Product Management Architecture Evolves Continuously Epic 3 Architectural Runway Portfolio Management Vision Epics Span Releases Epic 2 Portfolio Chapter 1 Chapter 2 Stories Iterations Spikes Are Research, Design, Refactor Stories lterations Wow!
In software development, variability is inherent. Instead of eliminating variability, we must design systems that expect and address variability and even exploit it when appropriate. Reduce batch sizes: Large batch sizes create unnecessary variability and cause severe delays in delivery and quality. The most important batch is the transport (handoff) batch between teams and between roles within a team. Optimize proximity (co-location) to enable small batch sizes. Good infrastructure (test automation, continuous integration, and so on) and loose architectural coupling enable delivery of software in small increments (batches).
Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise (Agile Software Development Series) by Dean Leffingwell