By Dean Leffingwell
“We want greater methods to realizing and handling software program necessities, and Dean offers them during this booklet. He attracts principles from 3 very worthwhile highbrow swimming pools: classical administration practices, Agile equipment, and lean product improvement. through combining the strengths of those 3 ways, he has produced whatever that works larger than anybody in isolation.” –From the Foreword by means of Don Reinertsen, President of Reinertsen & affiliates; writer of coping with the layout manufacturing unit; and top specialist on speedy product improvement powerful necessities discovery and research is a serious top perform for critical program improvement. in the past, in spite of the fact that, standards and Agile tools have infrequently coexisted peacefully. for plenty of corporations contemplating Agile techniques, the absence of potent and scalable Agile specifications methods has been a showstopper for Agile adoption. In Agile software program necessities, Dean Leffingwell indicates precisely tips on how to create powerful necessities in Agile environments. half I offers the “big photograph” of Agile standards within the company, and describes an total procedure version for Agile specifications on the undertaking staff, application, and portfolio degrees half II describes an easy and light-weight, but entire version that Agile undertaking groups can use to control specifications half III indicates tips on how to strengthen Agile necessities for complicated platforms that require the cooperation of a number of groups half IV publications organizations in constructing Agile requisites for ever-larger “systems of systems,” software suites, and product portfolios This ebook may help you leverage the advantages of Agile with no sacrificing the worth of potent standards discovery and research. You’ll locate confirmed recommendations you could follow correct now–whether you’re a software program developer or tester, govt, 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 (Agile Software Development Series)
We introduce additional requirements artifacts, roles, organizational constructs, and practices designed for this purpose. We describe the role that larger-scale, intentional, system-level architectures play in agile development. We introduce a kanban system for reasoning about how to evolve and, when necessary, rearchitect, such systems in an agile manner. We also describe some of the legacy thinking in portfolio and project management and give some suggestions as to what to do about it. We conclude with a chapter describing investment themes, epics, and, finally, one of the ultimate objectives—agile portfolio planning.
In support of our efforts over the past 40 to 50 years, we have implemented various software development methodologies—process frameworks we use to structure, manage, and control our work. Early on, it was a “cut-and-try” approach—ad hoc—as and where necessary. In large part, that worked. Over time, the scope and reach of our endeavors, along with the power of the computers we programmed, increased by 10,000 fold. It seems like very quickly we went from simple simulations to flying commercial airliners internationally.
Decentralize control. Because these provide much of the underlying lean philosophy in this book, we’ll describe each here. Take an economic view: Take an economic view to establish the decision framework for your specific context, whether it is at the team, program, or enterprise level. Understand the full value chain. Do not consider money already spent. Sequence high-risk, low-cost activities first. If you quantify only one thing, quantify the cost of delay. Actively manage queues: Long queues are universally bad because they create longer cycle times, increase risk, lower quality, and decrease motivation.