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Eating the IT Elephant: Moving from Greenfield Development to Brownfield | 
 enlarge | Authors: Richard Hopkins, Kevin Jenkins
Publisher: IBM Press
Category: Book
List Price: £21.99
Buy New: £9.49
You Save: £12.50 (57%)
New (43) Used (7) from £9.49
Avg. Customer Rating:  2 reviews
Sales Rank: 48046
Media: Paperback
Edition: 1
Number Of Items: 1
Pages: 256
Shipping Weight (lbs): 0.9
Dimensions (in): 8.9 x 5.9 x 0.9
ISBN: 0137130120
Dewey Decimal Number: 004.068
EAN: 9780137130122
ASIN: 0137130120
Publication Date: May 8, 2008
Availability: Usually dispatched within 1-2 business days
Shipping: International shipping available
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| Customer Reviews:
An important step change in how to approach IT delivery June 11, 2008
1 out of 2 found this review helpful
This book is an excellent introduction to Brownfield IT development with a realistic approach to moving to its vision. The book is well written and very easy to read - I managed to digest it easily in four train journey sittings over three days (pun intended).
I am a colleague and friend of Kevin and Richard. I have worked with them on engagements in the past, including those adopting Brownfield techniques. I can honestly say this book is based on real IBM experiences with our customers. We are fortunate in our business of engaging many different types of customers with many different IT environments. We get to see the recurring problems they face and frequently see IT practices that resonate strongly with the problems laid out in the book. It clearly lays out the vision and solutions to the problem.
I wholeheartedly recommend that if you are an IT executive and technical leader who grapples with a multitude of IT projects that you read this book. By page 41 you can associate with the authors and the problem statement from which the Brownfield vision emerged is obvious. By the time you are racing through Part II you will be thinking about how you can adopt Brownfield techniques in your particular context.
Real innovation in very large IT system implementations May 22, 2008
1 out of 1 found this review helpful
Eating the IT Elephant is a description of how the authors have thought their way through, and built a solution to resolve, the problems of designing and delivering massive IT systems implementations in a "brownfield" site. Brownfield describes the environment that exists in every real business - the constraints and complexities of the current "legacy" systems, those that any new development must co-exist with, either during its implementation phase, or more likely through its life. Brownfield contrasts with Greenfield - the illusion that new IT developments can be built as if there were no problems in "the site" to contend with.
It describes the problems of elephantine systems projects: how communications with business stakeholders is crucial, but generally attempted by simplifications and abstraction; how impossible it is for any one head to contain the complexity of the requirement and the current environment constraints; how separate teams of business analysts and architects cannot adequately communicate their view of the ever-changing landscape to each other; how the paper mountain of business and process models, architectures, requirements and work products grows inexorably, with little likelihood of consistency and coherence.
The authors, both young currently practicing IBM IT Architects, contrast this with the toolset they have assembled during their experience of massive systems delivery; quite simply an Elephant Eater, a tool that voraciously consumes every requirement, model, architecture, constraint and site survey result on the project and maintains it in an inventory of massive simplicity, but all-encompassing completeness. This tool, which consumes all varieties of open system definition tool outputs, and even legacy program code, can deliver daily iterations of the "single version of truth" in outputs which can be of value to all participants, whether they be business sponsors, programmers or implementers.
This constant availability of the current state of play allows iterative testing of requirement completeness, system and architectural integrity, highlighting where inconsistencies lie and where new input is required.
Once the reader has grasped the idea, and the methods are described, it is easy to understand how the authors believe there is now a much greater chance of successful delivery of elephantine developments than ever before. Grasping the idea is not difficult; the book is not written with only the system developer in mind. It is full of good mental images and written with humour and eloquence very rare in the architect's profession, in my experience.
I commend it to everyone who has an interest in the successful delivery of very large IT systems.
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