Scaling Lean & Agile Development: Thinking and Organizational Tools for Large-Scale Scrum

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Overview

Lean Development and Agile Methods for Large-Scale Products: Key Thinking and Organizational Tools for Sustainable Competitive Success

Increasingly, large product-development organizations are turning to lean thinking, agile principles and practices, and large-scale Scrum to sustainably and quickly deliver value and innovation. However, many groups have floundered in their practice-oriented adoptions. Why? Because without a deeper understanding of the thinking tools and profound organizational redesign needed, it is as though casting seeds on to an infertile field. Now, drawing on their long experience leading and guiding large-scale lean and agile adoptions for large, multisite, and offshore product development, and drawing on the best research for great team-based agile organizations, internationally recognized consultant and best-selling author Craig Larman and former leader of the agile transformation at Nokia Networks Bas Vodde share the key thinking and organizational tools needed to plant the seeds of product development success in a fertile lean and agile enterprise.

Coverage includes

  • Lean thinking and development combined with agile practices and methods
  • Systems thinking
  • Queuing theory and large-scale development processes
  • Moving from single-function and component teams to stable cross-functional cross-component Scrum feature teams with end-to-end responsibility for features
  • Organizational redesign to a lean and agile enterprise that delivers value fast
  • Large-scale Scrum for multi-hundred-person product groups

In a competitive environment that demands ever-faster cycle times and greater innovation, applied lean thinking and agile principles are becoming an urgent priority. Scaling Lean & Agile Development will help leaders create the foundation for their lean enterprise–and deliver on the significant benefits of agility.

In addition to the foundation tools in this text, see the companion book Practices for Scaling Lean & Agile Development: Large, Multisite, and Offshore Product Development with Large-Scale Scrum for complementary action tools.

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Product Details

  • ISBN-13: 9780321480965
  • Publisher: Addison-Wesley
  • Publication date: 12/26/2008
  • Series: Agile Software Development Series
  • Edition description: New Edition
  • Pages: 348
  • Sales rank: 723,663
  • Product dimensions: 7.00 (w) x 8.90 (h) x 1.10 (d)

Meet the Author

Craig Larman is a management and product development consultant in enterprise-level adoption and use of lean development, agile principles and practices, and large-scale Scrum in large, multisite, and offshore development. He is chief scientist at Valtech, an international consulting and offshore outsourcing company. His books include the best-sellers Agile & Iterative Development: A Manager’s Guide (Addison-Wesley, 2004) and Applying UML and Patterns, Third Edition (Prentice Hall, 2005).

Bas Vodde works as an independent product-development consultant and large-scale Scrum coach. For several years he led the agile and Scrum enterprise-wide adoption initiative at Nokia Networks. He is passionate about improving product development, an avid student of organizational, team management, and product development research, and remains an active developer.

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Read an Excerpt

INTRODUCTION

The future ain’t what it used to be.
—Yogi Berra

We sat down in the meeting room with our hot coffee. Outside was a bitter-cold north European winter morning. In came our new client and we shook hands. “Thanks for visiting,” he said. “First, you should know that our product group is not large, maybe only eighty developers.”

We once met a group adopting agile development that was not sure if they could grow to very large-scale development: 12 people.

People have different scales in mind regarding ‘large.’ To some it means only 50 people or even less. To others, much more. We define a large product1 group as one whose members’ names you could not remember if you were all together in a room. We work typically with single-product groups in the range of 100–500 people that are adopting Scrum, lean principles, and agile development practices, usually on software-intensive embedded systems. So by this definition—at least with our limited memories—this is the realm of ‘large.’

On to our key recommendation: After working for some years in the domains of large, multisite, and offshore development, we have distilled our experience and advice down to the following: Don’t do it.

There are better ways to build large systems than with many developers in many places. Rather, build a small group of great developers and other talents that can work together in teams, pay them well, and keep them together in one place with product management or whoever acts as the voice of the customer.

But of course youare still going to do large, multisite, or offshore development. This is because your existing system is already structured that way, or because—in the case of large groups—there is the mindset that “big systems need lots of people.” We regularly coach groups that ask, “How can we calculate how many people we will need?” Our suggestion is, “Start with a small group of great people, and only grow when it really starts to hurt.” That rarely happens.

Since large, multisite, and offshore development is going to happen, we would like to share what we have tried or seen at the intersection of these domains with lean and agile product development principles and practices.2 Thinking and Organizational Tools

When Bas was a member of the leadership team of a large product group, he frequently (in meetings) asked, “Why do we have this policy? ... What will happen to the organizational system if we do that?” Months later a member of the team told Craig, “It drove me nuts to keep hearing those questions. But later, I appreciated it.” Bas wasn’t trying to be annoying; he was trying to suggest and encourage systems thinking—a thinking tool (1) to consider the deeper dynamics of the development system as a whole, (2) to understand how a system became the way it is, and (3) to reconsider assumptions underlying the existing organization.

When people are introduced to Scrum with its short timeboxed development iterations, they first see it as a localized practice to incrementally grow a product in small manageable steps, with learning and corrective actions toward a goal. Consequently, people will say, “Oh, ‘agile’ doesn’t affect me; that’s a development practice.” But there is a bigger picture and a potential higher-level learning loop beyond the lower-level development learning cycle: a learning organization of people that repeatedly re-examine the structures and policies that define and surround agile product development. The result of adopting Scrum or lean principles in very large product groups inevitably leads to this higher-level organizational learning challenge.

Example: Consider an enterprise whose R&D division tries to be more adaptive by adopting Scrum. The Sales division continues in their old mode: Maximize personal commissions and quarterly sales by promising the moon and the stars to customers, combined with almost boundless optimism for what “our great people in R&D can do.” Faced with unattainable ‘commitments’ R&D did not themselves design or make, R&D is then blamed for not meeting “our promises,” and it is concluded that “Scrum doesn’t really help.”

If this were a book about adopting Scrum only in one small 20-person single-product group within a large enterprise, systems thinking and organizational tools would be interesting but non-vital topics. But they are vital to a successful adoption when Scrum is being scaled to a 400-person single-product group, probably within a larger R&D organization in the thousands that is also making the transition, with deep connections to the Sales and Delivery groups, and constrained by traditional Human Resource and Enterprise Governance policies on team structures, reporting, measurement, milestones, contracts, and rewards.

Consequently, this book suggests that one cornerstone for large-scale Scrum and agile development is people who learn and apply various thinking tools, including (but not limited to) systems thinking, mental-model awareness, lean thinking, queueing theory, and recognition of false dichotomies.3

With those thinking tools in place, it will become increasingly clear that the existing organizational design inhibits flow of value, leading to pressure for redesign. Hence, this book suggests a second cornerstone of organizational tools, including feature teams, requirement areas, and many other changes in structure, process, task, people, and rewards. ACTION TOOLS

In parallel with adopting thinking and organizational tools, many action tools—specific development practices—help the product group get going on large, multisite, and offshore agile development. The effective use of these action tools—shared in the companion Practices book—is somewhat dependent on organization redesign. Many practices can be tried without deeper structural change, but constraints on benefit will be felt.

So the tools in this book could be seen as prerequisites for the actions tools of the companion book. Yet in reality, practices will be adopted first—because that is where people want to start. And that will eventually invite a look back at thinking and organizational tools.

We suggest that coaches and other change agents involved in the adoption of large-scale Scrum or lean development acquaint themselves early with thinking and organizational tools, while in parallel helping to introduce action tools. At some point the situation will be ripe—people will be ready—for a turn in the discussion from “How do we do large-scale continuous integration?” to “Do existing HR policies prevent real teams?” and “What is flow of value and what inhibits it in our organizational design?EXPERIMENTS: TRY... AND AVOID...

Scrum emphasizes empirical process control; there is too much complexity and variability for a cookbook approach to processes for development. Therefore, the tools in both books are presented as a series of tips that start with Try... or Avoid... to suggest experiments, nothing more. They certainly may not work in your circumstance. The approach both in Scrum and in the lean thinking practice of kaizen is to first inspect and grasp the existing situation. Then, second, to adapt with new improvement experiments. The attitude of endless experimentation is vigorously encouraged in lean thinking; perhaps the only bad process-improvement experiment is the one not tried. At Toyota, Taiichi Ohno—arguably the key contributor to lean thinking—would visit an area and inspect any written standards document. If it was covered with dust or otherwise not recently changed, he would grow quite impassioned and urge people to always evolve their ‘standards.’

In Scrum this inspect-and-adapt (experiment) cycle repeats every two- or four-week timeboxed iteration as long as the product exists. And in lean thinking, this continuous experimentation and improvement cycle applies both to individual products and to the enterprise as a whole. LIMITATIONS

There is still much for us to learn about these domains. What we have written here and in the companion book reflects our current (limited) experience and understanding, which we hope will evolve in the coming years. For example, although we have lived for some years in China and India, we feel we have barely scratched the surface in terms of our multicultural experience and insight in relation to offshore and multisite agile development. Nevertheless, our sincere wish is that these tips are of some value to you. We welcome further insights and stories from our readers.

Large-scale Scrum can influence almost all aspects of a product-centric enterprise. To keep the scope of this material manageable and because of our limited experience in some of these areas, we bounded or deferred subjects that are worthy of more discussion. These include:


  • budgeting and finance
  • sales
  • product development not involving any software
  • marketing
  • deployment/delivery
  • hardware development
  • field support

Essentially, this book is relevant to general-purpose product development. Scrum and lean product development are not limited to software systems NT86. However, the bias is toward software-intensive systems (usually embedded) because of our background and because of the ever-growing ubiquity of software in everyday devices, from washing machines to shoes.

Especially in this book we dissect some assumptions and policies in traditional organizations that inhibit flow of value and effective teams. This analysis may come across as startling or challenging at times. We do not mean to give offense, but organizational redesign to support lean and agile development will not happen without increased scrutiny of traditional assumptions and increased transparency. Organizational change can also lead to displacement of talented people from old roles. As in Toyota, we encourage finding new areas of contribution for people within a company—both because skilled people deserve this, and because otherwise it inhibits change.

With both books combined pushing over 700 pages, we regret that we could not write or think better to make the subject of large...smaller.

On to thinking tools...

Footnotes

  1. Scrum (and this book) applies both to product development for an external market, and to internal applications (internal products).
  2. The companion book is Practices for Scaling Lean & Agile Development: Large, Multisite, and Offshore Product Development with Large-Scale Scrum. It covers detailed practice tips related to scaling and planning, product management, multisite, offshore development, contracts, requirements, design and architecture, coordination, legacy code, testing, and more.
  3. The term thinking tools was popularized in Reinertsen97.

© Copyright Pearson Education. All rights reserved.

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Table of Contents

Preface

Chapter 1: Introduction 1

Thinking Tools

Chapter 2: Systems Thinking 9

Chapter 3: Lean Thinking 39

Chapter 4: Queueing Theory 93

Chapter 5: False Dichotomies 125

Chapter 6: Be Agile 139

Organizational Tools

Chapter 7: Feature Teams 149

Chapter 8: Teams 193

Chapter 9: Requirement Areas 217

Chapter 10: Organization 229

Chapter 11: Large-Scale Scrum 289

Miscellany

Chapter 12: Scrum Primer 305

Recommended Readings 327

Bibliography 333

Index 343

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Preface

INTRODUCTION

The future ain’t what it used to be.
—Yogi Berra

We sat down in the meeting room with our hot coffee. Outside was a bitter-cold north European winter morning. In came our new client and we shook hands. “Thanks for visiting,” he said. “First, you should know that our product group is not large, maybe only eighty developers.”

We once met a group adopting agile development that was not sure if they could grow to very large-scale development: 12 people.

People have different scales in mind regarding ‘large.’ To some it means only 50 people or even less. To others, much more. We define a large product 1 group as one whose members’ names you could not remember if you were all together in a room. We work typically with single-product groups in the range of 100–500 people that are adopting Scrum, lean principles, and agile development practices, usually on software-intensive embedded systems. So by this definition—at least with our limited memories—this is the realm of ‘large.’

On to our key recommendation: After working for some years in the domains of large, multisite, and offshore development, we have distilled our experience and advice down to the following: Don’t do it.

There are better ways to build large systems than with many developers in many places. Rather, build a small group of great developers and other talents that can work together in teams, pay them well, and keep them together in one place with product management or whoever acts as the voice of the customer.

But of course you are still going to do large, multisite, or offshore development. This is because your existing system is already structured that way, or because—in the case of large groups—there is the mindset that “big systems need lots of people.” We regularly coach groups that ask, “How can we calculate how many people we will need?” Our suggestion is, “Start with a small group of great people, and only grow when it really starts to hurt.” That rarely happens.

Since large, multisite, and offshore development is going to happen, we would like to share what we have tried or seen at the intersection of these domains with lean and agile product development principles and practices. 2

Thinking and Organizational Tools

When Bas was a member of the leadership team of a large product group, he frequently (in meetings) asked, “Why do we have this policy? ... What will happen to the organizational system if we do that?” Months later a member of the team told Craig, “It drove me nuts to keep hearing those questions. But later, I appreciated it.” Bas wasn’t trying to be annoying; he was trying to suggest and encourage systems thinking—a thinking tool (1) to consider the deeper dynamics of the development system as a whole, (2) to understand how a system became the way it is, and (3) to reconsider assumptions underlying the existing organization.

When people are introduced to Scrum with its short timeboxed development iterations, they first see it as a localized practice to incrementally grow a product in small manageable steps, with learning and corrective actions toward a goal. Consequently, people will say, “Oh, ‘agile’ doesn’t affect me; that’s a development practice.” But there is a bigger picture and a potential higher-level learning loop beyond the lower-level development learning cycle: a learning organization of people that repeatedly re-examine the structures and policies that define and surround agile product development. The result of adopting Scrum or lean principles in very large product groups inevitably leads to this higher-level organizational learning challenge.

Example: Consider an enterprise whose R&D division tries to be more adaptive by adopting Scrum. The Sales division continues in their old mode: Maximize personal commissions and quarterly sales by promising the moon and the stars to customers, combined with almost boundless optimism for what “our great people in R&D can do.” Faced with unattainable ‘commitments’ R&D did not themselves design or make, R&D is then blamed for not meeting “our promises,” and it is concluded that “Scrum doesn’t really help.”

If this were a book about adopting Scrum only in one small 20-person single-product group within a large enterprise, systems thinking and organizational tools would be interesting but non-vital topics. But they are vital to a successful adoption when Scrum is being scaled to a 400-person single-product group, probably within a larger R&D organization in the thousands that is also making the transition, with deep connections to the Sales and Delivery groups, and constrained by traditional Human Resource and Enterprise Governance policies on team structures, reporting, measurement, milestones, contracts, and rewards.

Consequently, this book suggests that one cornerstone for large-scale Scrum and agile development is people who learn and apply various thinking tools, including (but not limited to) systems thinking, mental-model awareness, lean thinking, queueing theory, and recognition of false dichotomies. 3

With those thinking tools in place, it will become increasingly clear that the existing organizational design inhibits flow of value, leading to pressure for redesign. Hence, this book suggests a second cornerstone of organizational tools, including feature teams, requirement areas, and many other changes in structure, process, task, people, and rewards.

ACTION TOOLS

In parallel with adopting thinking and organizational tools, many action tools—specific development practices—help the product group get going on large, multisite, and offshore agile development. The effective use of these action tools—shared in the companion Practices book—is somewhat dependent on organization redesign. Many practices can be tried without deeper structural change, but constraints on benefit will be felt.

So the tools in this book could be seen as prerequisites for the actions tools of the companion book. Yet in reality, practices will be adopted first—because that is where people want to start. And that will eventually invite a look back at thinking and organizational tools.

We suggest that coaches and other change agents involved in the adoption of large-scale Scrum or lean development acquaint themselves early with thinking and organizational tools, while in parallel helping to introduce action tools. At some point the situation will be ripe—people will be ready—for a turn in the discussion from “How do we do large-scale continuous integration?” to “Do existing HR policies prevent real teams?” and “What is flow of value and what inhibits it in our organizational design?

EXPERIMENTS: TRY... AND AVOID...

Scrum emphasizes empirical process control; there is too much complexity and variability for a cookbook approach to processes for development. Therefore, the tools in both books are presented as a series of tips that start with Try... or Avoid... to suggest experiments, nothing more. They certainly may not work in your circumstance. The approach both in Scrum and in the lean thinking practice of kaizen is to first inspect and grasp the existing situation. Then, second, to adapt with new improvement experiments. The attitude of endless experimentation is vigorously encouraged in lean thinking; perhaps the only bad process-improvement experiment is the one not tried. At Toyota, Taiichi Ohno—arguably the key contributor to lean thinking—would visit an area and inspect any written standards document. If it was covered with dust or otherwise not recently changed, he would grow quite impassioned and urge people to always evolve their ‘standards.’

In Scrum this inspect-and-adapt (experiment) cycle repeats every two- or four-week timeboxed iteration as long as the product exists. And in lean thinking, this continuous experimentation and improvement cycle applies both to individual products and to the enterprise as a whole.

LIMITATIONS

There is still much for us to learn about these domains. What we have written here and in the companion book reflects our current (limited) experience and understanding, which we hope will evolve in the coming years. For example, although we have lived for some years in China and India, we feel we have barely scratched the surface in terms of our multicultural experience and insight in relation to offshore and multisite agile development. Nevertheless, our sincere wish is that these tips are of some value to you. We welcome further insights and stories from our readers.

Large-scale Scrum can influence almost all aspects of a product-centric enterprise. To keep the scope of this material manageable and because of our limited experience in some of these areas, we bounded or deferred subjects that are worthy of more discussion. These include:

  • budgeting and finance
  • sales
  • product development not involving any software
  • marketing
  • deployment/delivery
  • hardware development
  • field support

Essentially, this book is relevant to general-purpose product development. Scrum and lean product development are not limited to software systems NT86. However, the bias is toward software-intensive systems (usually embedded) because of our background and because of the ever-growing ubiquity of software in everyday devices, from washing machines to shoes.

Especially in this book we dissect some assumptions and policies in traditional organizations that inhibit flow of value and effective teams. This analysis may come across as startling or challenging at times. We do not mean to give offense, but organizational redesign to support lean and agile development will not happen without increased scrutiny of traditional assumptions and increased transparency. Organizational change can also lead to displacement of talented people from old roles. As in Toyota, we encourage finding new areas of contribution for people within a company—both because skilled people deserve this, and because otherwise it inhibits change.

With both books combined pushing over 700 pages, we regret that we could not write or think better to make the subject of large...smaller.

On to thinking tools...

Footnotes

  1. Scrum (and this book) applies both to product development for an external market, and to internal applications (internal products).
  2. The companion book is Practices for Scaling Lean & Agile Development: Large, Multisite, and Offshore Product Development with Large-Scale Scrum. It covers detailed practice tips related to scaling and planning, product management, multisite, offshore development, contracts, requirements, design and architecture, coordination, legacy code, testing, and more.
  3. The term thinking tools was popularized in Reinertsen97.

© Copyright Pearson Education. All rights reserved.

Read More Show Less

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