Disciplined Agile Delivery (DAD):

A Practitioner’s Guide to Agile Software Delivery in the Enterprise

by Scott W. Ambler and Mark Lines, IBM Press, ISBN: 0132810131

Scott W. Ambler + Associates
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The Disciplined Agile Delivery (DAD) book describes the DAD process framework, a third-generation agile methodology.


Introduction to Disciplined Agile Delivery (DAD)

The Disciplined Agile Delivery (DAD) process framework, as described in this book, is a hybrid approach which extends Scrum with proven strategies from Agile Modeling (AM), Extreme Programming (XP), and Unified Process (UP), amongst other methods.  DAD extends the construction-focused lifecycle of Scrum to address the full, end-to-end delivery lifecycle from project initiation all the way to delivering the solution to its end users.  The DAD process framework includes advice about the technical practices purposely missing from Scrum as well as the modeling, documentation, and governance strategies missing from both Scrum and XP. More importantly, in many cases DAD provides advice regarding viable alternatives and their trade-offs, enabling you to tailor DAD to effectively address the situation in which you find yourself. By describing what works, what doesn’t work, and more importantly why, DAD helps you to increase your chance of adopting strategies that will work for you.

Our focus in DAD is on delivery, although we discuss how the other aspects of the system lifecycle affect the delivery lifecycle.  A full system/product lifecycle goes from the initial idea for the product, through delivery, to operations and support and often has many iterations of the delivery lifecycle.  DAD addresses agile practices across the entire delivery lifecycle, from requirements, architecture, and development to delivery and governance. The authors show how these best-practice techniques fit together in an end-to-end process for successfully delivering large, complex systems--from project initiation through delivery.  This includes:

  • Scaling agile for mission-critical enterprise endeavors
  • Avoiding mistakes that drive poorly run agile projects to chaos
  • Effectively initiating an agile project
  • Transitioning as an individual to agile
  • Incrementally building consumable solutions
  • Deploying agile solutions into complex production environments
  • Leveraging DevOps, architecture, and other enterprise disciplines
  • Adapting your governance strategy for agile projects


Based on facts, research, and extensive experience, this book will be an indispensable resource for every enterprise software leader and practitioner--whether they’re seeking to optimize their existing agile/Scrum process or improve the agility of an iterative process.

This book describes the Disciplined Agile Delivery (DAD) process framework in detail, working through a case study to show how it can be applied in practice.  The DAD process framework has several important characteristics:


The Book's Table of Contents

The book is organized in following manner:

Part 1: Introduction to Disciplined Agile Delivery (DAD)

Part 2: People First

Part 3:  Initiating a Disciplined Agile Delivery Project

Part 4: Building a Consumable Solution Incrementally

Part 5: Releasing the Solution

Part 6:  Disciplined Agile Delivery in the Enterprise


How to Obtain this Book

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We actively work with clients around the world to improve their information technology (IT) practices, typically in the role of mentor/coach, team lead, or trainer.  A full description of what we do, and how to contact us, can be found at Scott W. Ambler + Associates