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Economics of Iterative Software Development, The: Steering Toward Better Business Results

By Walker Royce, Kurt Bittner, Michael Perrow

Published by Addison-Wesley Professional

Published Date: Mar 29, 2009

Description

Results-Based Software Management: Achieve Better Outcomes with Finite Resources

 

Effective software development is no longer merely an IT concern: today, it is crucial to the entire enterprise. However, most businesspeople are not ready to make informed decisions about software initiatives. The Economics of Iterative Software Development: Steering Toward Better Business Results will prepare them. Drawing on decades of software development and business experience, the authors demonstrate how to utilize practical, economics-based techniques to plan and manage software projects for maximum return on technology investments.

 

The authors begin by dispelling widespread myths about software costs, explaining why traditional, “engineering-based” software management introduces unacceptable inefficiencies in today’s development environments. Next, they show business and technical managers how to combine the principles of economics and iterative development to achieve optimal results with limited resources. Using their techniques, readers will learn how to build systems that enable maximum business innovation and process improvement—and implement software processes that allow them to do so consistently.

 

Highlights include

  • How to repeatedly quantify the value a project is delivering and quickly adjust course as needed
  • How to reduce software project size, complexity, and other “project killers”
  • How to identify and eliminate software development processes that don’t work
  • How to improve development processes, reduce rework, mitigate risk, and identify inefficiencies
  • How to create more proficient teams by improving individual skills, team interactions, and organizational capability
  • Where to use integrated, automated tools to improve effectiveness
  • What to measure, and when: specific metrics for project inception, elaboration, construction, and transition

The Economics of Iterative Software Development: Steering Toward Better Business Results will help both business and technical managers make better decisions throughout the software development process—and it will help team and project leaders keep any project or initiative on track, so they can deliver more value faster.

Table of Contents

Preface xiii

About the Authors xvii

 

Part I: The Software-Driven Economy 1

 

Chapter 1: The Challenge of Software Project Management 3

The High Stakes in Software Development 4

Institutional Focus 5

Traditional Software ProjectManagement 7

Problems with theWaterfall Approach 8

Summary 11

 

Chapter 2: Achieving Results: The Case for Software Economics 13

Iterative Development 15

Benefits of the Results-Based Approach 16

TheMark of Success 18

Summary 19

 

Part II: Improving Software Development Economics 21

 

Chapter 3: Trends in Software Economics 23

A SimplifiedModel of Software Economics 24

Software Engineering: A 40-Year History 26

Keys to Improvement: A Balanced Approach 28

Summary 30

 

Chapter 4: Reducing Software Project Size or Complexity 33

Managing Scope 33

Reducing the Size of Human-Generated Code 35

Improving Reuse Using Service-Oriented Architectures 36

Summary 36

 

Chapter 5: Improving the Development Process 39

Project Processes 39

Using an Iterative Process 40

Attacking Significant Risks Early 43

Improve Practices Incrementally to Meet Goals 46

Summary 48

 

Chapter 6: Improving Team Proficiency 51

Enhancing Individual Performance 52

Improving Project Teamwork 52

Advancing Organizational Capability 55

Summary 57

 

Chapter 7: Improving Automation Through Integrated Tools 59

Improving Human Productivity 60

Eliminating Error Sources 61

Enabling Process Improvements 62

Summary 63

 

Chapter 8: Accelerating Culture Change Through Common Sense 65

Profiles of Successful Organizations 65

Keys to Success 67

Recommendation: Select the Right Project, the Right

People, and the Right Goals 73

Summary 73

 

Part III: Practical Measurement for Software Engineering 77

 

Chapter 9: A Practical View of Software Development Metrics 79

Measurements and Goals 80

Variability and Goals 80

Measurement and Iterative Development 81

WhenMeasurement GoesWrong 83

What’sWrong with Detailed Up-front Planning? 85

DecidingWhat toMeasure, Phase by Phase 86

Summary 87

 

Chapter 10: What to Measure in the Inception Phase 89

Assessing Financial Viability 90

Assessing Technical Viability and Estimating Overall

Project Cost 91

Iteration in the Inception Phase 93

OtherMeasures 94

Summary 96

 

Chapter 11: What to Measure in the Elaboration and Construction Phases 99

Measurement in the Elaboration Phase 99

Measuring Risk Reduction 102

Measuring Progress 104

Measurement in the Construction Phase 106

Measuring the Project Backlog 107

Measuring Test Coverage 107

Measuring Build Stability 108

Expected Progress Trends in the Construction Phase 109

Summary 110

 

Chapter 12: What to Measure in the Transition Phase 113

Measurement in the Transition Phase 114

Concluding the Transition Phase 118

Summary 119

 

Chapter 13: Measuring Projects Embedded in Programs 123

Organizing Projects into Programs 124

Measuring Program Stages 127

Summary 127

 

Appendix: Getting Started with Iterative Project Management 129

Embarking on Your First Iterative Project 130

Adopting an Iterative Approach Iteratively 144

Conclusion 154

 

Suggested Reading 157

Index 161

Purchase Info

ISBN-10: 0-13-265135-1

ISBN-13: 978-0-13-265135-6

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