Legacy Systems
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Legacy Systems
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Author : William M. Ulrich
language : en
Publisher:
Release Date : 2002
Legacy Systems written by William M. Ulrich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Computers categories.
In Legacy Systems: Transformation Strategies, leading IT and business architecture consultant William Ulrich presents a step-by-step, phased roadmap to legacy transformation that maximizes business value, while minimizing cost, disruption, and risk. Transformation strategies, organizing disciplines, techniques, and tools reduce the risks of deploying the component-based architectures you need to stay competitive while maximizing the business value of core systems that work.
Modernizing Legacy Systems
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Author : Robert C. Seacord
language : en
Publisher: Addison-Wesley Professional
Release Date : 2003
Modernizing Legacy Systems written by Robert C. Seacord and has been published by Addison-Wesley Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Electronic books categories.
Most organizations rely on complex enterprise information systems (EISs) to codify their business practices and collect, process, and analyze business data. These EISs are large, heterogeneous, distributed, constantly evolving, dynamic, long-lived, and mission critical. In other words, they are a complicated system of systems. As features are added to an EIS, new technologies and components are selected and integrated. In many ways, these information systems are to an enterprise what a brain is to the higher species--a complex, poorly understood mass upon which the organism relies for its very existence. To optimize business value, these large, complex systems must be modernized--but where does one begin? This book uses an extensive real-world case study (based on the modernization of a thirty year old retail system) to show how modernizing legacy systems can deliver significant business value to any organization.
The Renaissance Of Legacy Systems
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Author : Ian Warren
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Renaissance Of Legacy Systems written by Ian Warren and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Many antiquated or legacy systems are still in operation today because they are critical to the organizations continued operations or are prohibitively expensive to replace. This book guides practitioners in managing the process of legacy system evolution. The author introduces a comprehensive method for managing a software evolution project, from its conception to the deployment of the resulting system. The book helps managers answer two critical decisions: What is the best way to evolve a particular legacy system? and How can the legacy system be migrated to a selected target architecture?
Working With Legacy Systems
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Author : Robert Annett
language : en
Publisher: Packt Publishing Ltd
Release Date : 2019-06-03
Working With Legacy Systems written by Robert Annett and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-03 with Computers categories.
The IT industry is obsessed with new technologies. Courses, books, and magazines mostly focus on what is new. Starting with what a legacy system looks like to applying various techniques for maintaining and securing these systems, this book gives you all the knowledge you need to maintain a legacy system.
Migrating Legacy Systems
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Author : Michael L. Brodie
language : en
Publisher:
Release Date : 1995
Migrating Legacy Systems written by Michael L. Brodie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Business & Economics categories.
Information systems that resist modification and don't support organizational requirements are a critical business problem. The authors present a step-by-step strategy for complete IS migration to a new environment and discuss the potential problems and alternatives that may arise in the process.
The Renaissance Of Legacy Systems
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Author : Ian Warren
language : en
Publisher: Springer
Release Date : 2011-12-08
The Renaissance Of Legacy Systems written by Ian Warren and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-12-08 with Computers categories.
Many antiquated or legacy systems are still in operation today because they are critical to the organizations continued operations or are prohibitively expensive to replace. This book guides practitioners in managing the process of legacy system evolution. The author introduces a comprehensive method for managing a software evolution project, from its conception to the deployment of the resulting system. The book helps managers answer two critical decisions: What is the best way to evolve a particular legacy system? and How can the legacy system be migrated to a selected target architecture?
Aligning Modern Business Processes And Legacy Systems
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Author : Willem-Jan van den Heuvel
language : en
Publisher: Cooperative Information System
Release Date : 2009
Aligning Modern Business Processes And Legacy Systems written by Willem-Jan van den Heuvel and has been published by Cooperative Information System this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Computers categories.
A methodological framework and theoretical foundation for aligning new business processes with existing information systems through componentization. Distributed business component computing--the assembling of business components into electronic business processes, which interact via the Internet--caters to a new breed of enterprise systems that are flexible, relatively easy to maintain and upgrade to accommodate new business processes, and relatively simple to integrate with other enterprise systems. Companies with unwieldy, large, and heterogeneous inherited information systems--known as legacy systems--find it extremely difficult to align their old systems with novel business processes. Legacy systems are not only tightly intertwined with existing business processes and procedures but also have a brittle architecture after years of ad-hoc fixes and offer limited openness to other systems. In this book, Willem-Jan van den Heuvel provides a methodological framework that offers pragmatic techniques for aligning component-based business processes and legacy systems. Van den Heuvel's methodology is based on three building blocks: reverse engineering, which allows legacy systems to be componentized; forward engineering, which derives a set of business components from requirements of the new business processes; and alignment of new business processes and componentized legacy systems. Van den Heuvel provides a theoretical foundation for these, with chapters that discuss component-based development, introduce a case study that is used throughout the book to illustrate the methodology, and assess methods and technologies for legacy integration, component adaptation, and process alignment. He describes the methodological framework itself and its techniques to align new business processes with legacy systems by adopting a meet-in-the-middle strategy. Drawing on topics from a wide range of disciplines, including component-based development, distributed computing, business process modeling, and others , Aligning Modern Business Processes and Legacy Systems offers theoretically grounded practical methodology that has been explored and tested in a variety of experiments as well as some real-world projects.
The Transition Of Legacy Systems To A Distributed Architecture
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Author : Narsim Ganti
language : en
Publisher:
Release Date : 1995-03-27
The Transition Of Legacy Systems To A Distributed Architecture written by Narsim Ganti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-03-27 with Computers categories.
Focusing on one of the most difficult problems in corporate reengineering, the authors clearly explain the conceptual foundations of migrating legacy systems.
Profiting From Legacy Systems
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Author : Management Accountancy Computer Education (Firm)
language : en
Publisher:
Release Date : 1994-01-01
Profiting From Legacy Systems written by Management Accountancy Computer Education (Firm) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-01 with Computer software categories.
Managing Corporate Information Systems Evolution And Maintenance
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Author : Khaled M. Khan
language : en
Publisher: IGI Global
Release Date : 2005-01-01
Managing Corporate Information Systems Evolution And Maintenance written by Khaled M. Khan and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-01 with Business & Economics categories.
This book addresses the recent developments in systems maintenance research and practices ranging from technicality of systems evolution to managerial aspects of the topic, including issues such as evolving legacy systems to e-business, applying patterns for reengineering legacy systems to web, architectural recovery of legacy systems, evolving legacy systems into software components.