By Dean Leffingwell
“We desire larger methods to realizing and coping with software program necessities, and Dean presents them during this publication. He attracts principles from 3 very priceless highbrow swimming pools: classical administration practices, Agile equipment, and lean product improvement. by way of combining the strengths of those 3 techniques, he has produced whatever that works larger than anyone in isolation.” –From the Foreword via Don Reinertsen, President of Reinertsen & affiliates; writer of coping with the layout manufacturing facility; and best specialist on speedy product improvement potent specifications discovery and research is a serious most sensible perform for critical software improvement. formerly, even if, requisites and Agile tools have hardly ever coexisted peacefully. for lots of organisations contemplating Agile techniques, the absence of powerful and scalable Agile specifications procedures has been a showstopper for Agile adoption. In Agile software program standards, Dean Leffingwell exhibits precisely the right way to create powerful specifications in Agile environments. half I offers the “big photo” of Agile specifications within the company, and describes an total strategy version for Agile requisites on the undertaking workforce, software, and portfolio degrees half II describes an easy and light-weight, but finished version that Agile undertaking groups can use to regulate requisites half III exhibits tips to boost Agile specifications for complicated platforms that require the cooperation of a number of groups half IV courses organisations in constructing Agile requisites for ever-larger “systems of systems,” software suites, and product portfolios This publication may help you leverage the advantages of Agile with no sacrificing the worth of powerful specifications discovery and research. You’ll locate confirmed recommendations you could practice correct now–whether you’re a software program developer or tester, govt, project/program supervisor, architect, or crew chief.
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Additional info for Agile Software Requirements: Lean Requirements Practices for Teams, Programs, and the Enterprise (Agile Software Development Series)
It also has the added benefit of a training certification process, administered by the Scrum Alliance,5 which is also a good source for ongoing discussions about the Scrum method, its application, and adoption. 5. org Wow! Com> 16 c haPteR 1 a B Rief h istoRy of s oftwaRe R equiRements m ethods requirements m anagement in a gile i s f undamentally different No matter the specific method, agile’s treatment of requirements is fundamentally different. We see it immediately in the core principles: Manifesto principle #1—Our highest priority is to satisfy the customer through early and continuous delivery of valuable software.
This thinking was indeed a harbinger of methods to come. Compress Deploy Design Develop Test Iterative Development User Review JAD Document Requirements RAD Wow! Com> I i teRative and i ncRementaL P Rocesses 11 Rational Unified Process Phases Disciplines Inception Elaboration Construction Transition Requirements Analysis and Design Implementation Test Deployment Configuration and Change Management Project Management Initial Elab #1 Elab #2 Const #1 Const #2 Const #N Tran #1 Tran #2 Iterations Source: Leffingwell, Scaling Software Agility: Best Practices for Large Enterprises, Figure “RUP,” © 2007 Pearson Education, Inc.
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