Foreword xi Preface xiii Acknowledgments xvii About the Authors xix Chapter 1: Introduction to Scaling Agile 1 Why Agile? 2 Why Scrum? 2 Why Nexus? 5 Simplicity Is the Key to Scaling 6 Chapter 2: Introducing Nexus 7 What Is Nexus? 7 Nexus Extends Scrum 8 The Nexus Integration Team 10 Nexus Events 12 Nexus Artifacts 17 What Do You Need to Get Started with Nexus? 19 Closing 20 Chapter 3: Forming a Nexus 21 Evolving a Cross-functional Team 24 Growing a Nexus 29 Forming the Nexus Integration Team 32 How Does a Nexus Work? 34 Chapter 4: Planning in Nexus 35 Consolidating and Validating the Product Backlog 35 Planning a Sprint in a Nexus 47 Closing 55 Chapter 5: Running a Sprint in Nexus 57 The Nexus Daily Scrum 58 Providing Transparency Inside and Outside the Nexus 61 Nexus Sprint Retrospective 68 Closing 73 Chapter 6: Evolving the Nexus 75 Optional Practice: Organizing Scrum Teams around Features 77 Optional Practice: Managing Code Like an Open-Source Project 78 Optional Practice: Organizing Teams around Personas 81 Expanding the Nexus Integration Team 83 Updating and Refining the Product Backlog 83 Nexus Sprint Planning, Revisited 85 The Nexus Daily Scrum, Take Two 86 The Nexus Sprint Review, Take Two 88 The Nexus Sprint Retrospective, Take Two 89 Closing 96 Chapter 7: The Nexus in Emergency Mode 97 Product Backlog Refinement, Take Three 99 Nexus Sprint Planning, Take Three 102 The Nexus Daily Scrum, Take Three 108 What to Do When the Nexus Starts to Struggle 110 The Nexus (Pseudo) Sprint Review and Retrospective 118 Closing 119 Chapter 8: Retrospective on the Nexus Journey 121 What Worked Well 122 Areas for Improvement 126 What's Next? 132 Closing 133 Glossary 135 Index 143.