Migrating Legacy System to the Web: A Business Process Reengineering Oriented Approach

Migrating Legacy System to the Web: A Business Process Reengineering Oriented Approach

Lerina Aversano (University of Sannio, Italy), Gerardo Canfora (University of Sannio, Italy) and Andrea De Lucia (University of Sannio, Italy)
DOI: 10.4018/978-1-59140-047-9.ch006
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Abstract

The Internet is an extremely important new technology that is changing the way in which organizations conduct their business and interact with their partners and customers. To take advantage of the Internet open architecture, most companies are applying business reengineering with the aim of moving from hierarchical centralized structures to networked decentralized business units cooperating with one another. As a consequence, the way in which software information systems are conceived, designed, and built is changing too. Monolithic, mainframe-based systems are being replaced by distributed, Web-centric, component-based systems with an open architecture. Ideally, business process reengineering should entail the adoption of new software systems designed to satisfy the new needs of the redesigned business. However, economic and technical constraints make it impossible in most cases to discard the existing and legacy systems and develop replacement systems from scratch. Therefore, legacy system migration strategies are often preferred to replacement. This entails that a balance must be struck between the constraints imposed by the existing legacy systems and the opportunities offered by the reengineering of the business processes.

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Table of Contents
Acknowledgments
Macario Polo, Mario Piattini, Francisco Ruiz
Chapter 1
Ned Chapin
This chapter sets out a foundation for the management of software maintenance. The foundation highlights a fundamental for managing software... Sample PDF
Software Maintenance and Organizational Health and Fitness
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Chapter 2
Mira Kajko-Mattsson
Problem management is the dominating process within corrective maintenance. It not only handles software problems but also provides quantitative... Sample PDF
Problem Management within Corrective Maintenance
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Chapter 3
Fabrizio Fioravanti
One of the emerging techniques for managing software project is eXtreme Programming (XP), which surely is changing the way in which we develop and... Sample PDF
The Impact of eXtreme Programming on Maintenance
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Chapter 4
Perdita Stevens
In software design, patterns—that is, structured, named descriptions of good solutions to common problems in context—have become a popular way of... Sample PDF
Patterns in Software Maintenance: Learning from Experience
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Chapter 5
William C. Chu, Chih-Hung Chang, Chih-Wei Lu, Yeh-Ching Chung, Hongji Yang, Bing Qiao, Hewijin Christine Jiau
Software standards are highly recommended because they promise faster and more efficient ways for software development with proven techniques and... Sample PDF
Enhancing Software Maintainability by Unifying and Integrating Standards
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Chapter 6
Lerina Aversano, Gerardo Canfora, Andrea De Lucia
The Internet is an extremely important new technology that is changing the way in which organizations conduct their business and interact with their... Sample PDF
Migrating Legacy System to the Web: A Business Process Reengineering Oriented Approach
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Chapter 7
Norman F. Schneidewind
In order to continue to make progress in software measurement as it pertains to reliability and maintainability, we must shift the emphasis from... Sample PDF
Requirements Risk and Maintainability
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Chapter 8
Harry M. Sneed
This chapter deals with the subject of estimating the costs of software maintenance. It reviews the existing literature on the subject and... Sample PDF
Software Maintenance Cost Estimation
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Chapter 9
Macario Polo, Mario Piattini, Francisco Ruiz
Software maintenance is the most expensive stage of the software life cycle. However, most software organizations do not use any methodology for... Sample PDF
A Methodology for Software Maintenance
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Chapter 10
Francisco Ruiz, Felix Garcia, Mario Piattini, Macario Polo
A Software Engineering Environment (SEE) is quite useful in order to manage the complexity of SM projects, since it can provide the needed services.... Sample PDF
Environment for Managing Software Maintenance Projects
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About the Authors