Modernizing Legacy Systems - Software Technologies, Engineering Processes, and Business Practices (Paperback)

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""The potential impact of this book cannot be overstressed. Software systems that are not continually and adequately evolved and, in particular, legacy systems that have not been so maintained, can threaten an organization's very survival. I recommend the book as a must for people directly involved in such evolution, whether as customers, managers and resource providers, or as implementers.""
--M. M. Lehman, Emeritus Professor, Middlesex University

Businesses inevitably face a critical choice in the design and maintenance of their software systems: Dismantle older systems and completely replace them, or incrementally modernize existing systems. Many businesses choose the latter course, seeking to maximize their existing investment and preserve valuable business knowledge, while adapting to rapidly evolving technologies. "Modernizing Legacy Systems" is a much-needed guide, showing how to implement a successful modernization strategy and describing specifically a risk-managed, incremental approach--one that encompasses changes in software technologies, engineering processes, and business practices.

Key topics include: Making a case for modernizationUnderstanding requirements and constraintsMaintaining performance, data integrity, and securityDesigning and deploying the target architectureMigrating code and data Estimating costsPlanning the modernization effort

For every topic, this book presents current standards and available products that support legacy system modernization. In addition, a large retail-supply-system case study--a system written in COBOL being modernized to one based on the J2EE architecture--runs throughout this book to demonstrate a real-world legacysystem modernization effort.
0321118847B01232003


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""The potential impact of this book cannot be overstressed. Software systems that are not continually and adequately evolved and, in particular, legacy systems that have not been so maintained, can threaten an organization's very survival. I recommend the book as a must for people directly involved in such evolution, whether as customers, managers and resource providers, or as implementers.""
--M. M. Lehman, Emeritus Professor, Middlesex University

Businesses inevitably face a critical choice in the design and maintenance of their software systems: Dismantle older systems and completely replace them, or incrementally modernize existing systems. Many businesses choose the latter course, seeking to maximize their existing investment and preserve valuable business knowledge, while adapting to rapidly evolving technologies. "Modernizing Legacy Systems" is a much-needed guide, showing how to implement a successful modernization strategy and describing specifically a risk-managed, incremental approach--one that encompasses changes in software technologies, engineering processes, and business practices.

Key topics include: Making a case for modernizationUnderstanding requirements and constraintsMaintaining performance, data integrity, and securityDesigning and deploying the target architectureMigrating code and data Estimating costsPlanning the modernization effort

For every topic, this book presents current standards and available products that support legacy system modernization. In addition, a large retail-supply-system case study--a system written in COBOL being modernized to one based on the J2EE architecture--runs throughout this book to demonstrate a real-world legacysystem modernization effort.
0321118847B01232003

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Product Details

General

Imprint

Addison-Wesley Educational Publishers Inc

Country of origin

United States

Series

SEI Series in Software Engineering

Release date

February 2003

Availability

Supplier out of stock. If you add this item to your wish list we will let you know when it becomes available.

First published

2003

Authors

, , ,

Series editors

Dimensions

235 x 159 x 20mm (L x W x T)

Format

Paperback

Pages

332

ISBN-13

978-0-321-11884-4

Barcode

9780321118844

Categories

LSN

0-321-11884-7



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