Eating the IT Elephant Moving from Greenfield Development to Brownfield

ISBN-10: 0137130120

ISBN-13: 9780137130122

Edition: 2008

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Description: A Practical, Start-to-Finish Approach to Managing, Evolving, and Transforming Legacy IT Systems "For every IT executive, manager, architect, program leader, project leader, and lead analyst" "Richard and Kevin introduce us to a reality that's often neglected in our industry: the problem of evolving legacy systems, a domain they call 'Brownfield development.' The authors identify the root of the problem as that of complexity, and offer an approach that focuses on the fundamentals of abstraction and efficient communication to nibble at this problem of transformation bit by bit. As the old saying goes, the way you eat the elephant is one bite at a time. Richard and Kevin bring us to the table with knife and fork and other tools, and show us a way to devour this elephant in the room." "Grady Booch, IBM Fellow, co-creator of UML" "Most organizations in the 21st century have an existing, complex systems landscape. It is time that the IT industry face up to the reality of the situation and the need for new development methods and tools that address it. This book describes a new approach to the development of future systems: a structured approach that recognizes the challenges of 'Brownfield' development, is based on engineering principles, and is supported by appropriate tooling." "Chris Winter, CEng CITP FBCS FIET, IBM Fellow, Member of the IBM Academy of Technology" Most conventional approaches to IT development assume that you're building entirely new systems. Today, "Greenfield" development is a rarity. Nearly every project exists in the context of existing, complex system landscapes--often poorly documented and poorly understood. Now, two of IBM's most experienced senior architects offera new approach that is fully optimized for the unique realities of "Brownfield" development. Richard Hopkins and Kevin Jenkins explain why accumulated business and IT complexity is the root cause of large-scale project failure and show how to overcome that complexity "one bite of the elephant at a time." You'll learn how to manage every phase of the Brownfield project, leveraging breakthrough collaboration, communication, and visualization tools--including Web 2.0, semantic software engineering, model-driven development and architecture, and even virtual worlds. This book will help you reengineer new flexibility and agility into your IT environment...integrate more effectively with partners...prepare for emerging business challenges... improve system reuse and value...reduce project failure rates...meet "any" business or IT challenge that requires the evolution or transformation of legacy systems. - System complexity: understand it, and harness it" Go beyond the comforting illusion of your high-level architecture diagrams" - How conventional development techniques actually make things worse" Why traditional decomposition and abstraction don't work"--"and what to do instead" - Reliably reengineer your IT in line with your business priorities" New ways to understand, communicate, visualize, collaborate, and solve complex IT problems" - Cut the elephant down to size, one step at a time" Master all four phases of a Brownfield project: survey, engineer, accept, and deploy"

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Book details

List price: $39.99
Copyright year: 2008
Publisher: Pearson Education
Publication date: 4/29/2008
Binding: Paperback
Pages: 256
Size: 6.00" wide x 9.00" long x 0.75" tall
Weight: 0.880
Language: English

Foreword
Foreword
Preface
Acknowledgments
About the Authors
Introducing Brownfield
Eating Elephants Is Difficult
Today's Delivery Methods
Why Do Big Projects Fail?
Environmental Complexity
Brownfield Sites Must Be Surveyed
The Confusion of Tongues
Introducing Brownfield
Key Communication Problems
Overcoming Communication Complexity
Big-Mouthed Superhero Required
Elephant-Eating Strategies
Consuming the Environment
Architecting the Elephant Eater
The Elephant Eater in Action
The Brownfield Beliefs
The Trunk Road to the Brain
Alternative Wallpapers
Invading Hilbert Space
Architecture Is the Solution
Bridging the Business/IT Gap
The Mythical Metaman
When You Eliminate the Impossible
The Long Tail of Business Services
Business Attractors for Attractive Businesses
The Death of Brownfield
The Elephant Eater
Abstraction Works Only in a Perfect World
Considerations for an Elephant Eater
Systems Integration and Engineering Techniques
Abstraction Is the Heart of Architecture
Do We Need a Grand Unified Tool?
The Connoisseur's Guide to Eating Elephants
Evolution of the Elephant Eater
The Sources of Brownfield
Isn't This CASE?
Isn't This MDA?
Brownfield Development
Agile Waterfalls
The Brownfield Development Approach
Inside the Elephant Eater
Looking Inside the Elephant Eater
Parse View and Identify Patterns
Merge Views
Create Transforms
Generate Artifacts
Test Artifacts and 5.1a: Identify Generation Faults
Add and Update Information
A Portrait of an Elephant Eater
Elephant Eater at Work
Making the Move to Brownfield
Taking the First Step
A Better Way to Build Interfaces
A Better Way to Build an Enterprise Service Bus
The End of Middleware?
Evolving a Deployable Enterprise Architecture
Index
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