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Legacy System Wrapping For Department Of Defense Information System Modernization
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Book Synopsis Legacy System Wrapping for Department of Defense Information System Modernization by :
Download or read book Legacy System Wrapping for Department of Defense Information System Modernization written by and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document explains the activities, benefits, problems, and issues in using the object-oriented technique of software wrapping to support the migration from legacy information systems to modernized systems. DoD legacy systems have obsolete technologies such as closed systems, stovepipe design, and outmoded programming languages or database systems. Software wrapping is used to create an interface around data, individual modules, subsystems, or whole systems, allowing access to the entities in the original system. Examples of wrapping implementation and guidelines, using the Ada programming language (Ada 83), are given for functions or subprograms originally written in the Cobol, C, Fortran, and Assembler. In addition, software wrapping is analyzed in the broader context of alternative migration strategies for a whole system. The unite-and-conquer strategy appears to be better suited to software wrapping, using a unified object model throughout progressive stages of migration, as compared to the other three strategies (divide-and-conquer, divide-and-wrap, one-short-rebuild).
Book Synopsis A Survey of Legacy System Modernization Approaches by : Santiago Comella-Dorda
Download or read book A Survey of Legacy System Modernization Approaches written by Santiago Comella-Dorda and published by . This book was released on 2000 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Information systems are critical assets for modern enterprises and incorporate key knowledge acquired over the life of an organization. Although these systems must be updated continuously to reflect evolving business practices, repeated modification has a cumulative effect on system complexity, and the rapid evolution of technology quickly renders existing technologies obsolete. Eventually, the existing information systems become too fragile to modify and too important to discard. However, organizations must consider modernizing these legacy systems to remain viable. The commercial market provides a variety of solutions to this increasingly common problem of legacy system modernization. However, understanding the strengths and weaknesses of each modernization technique is paramount to select the correct solution and the overall success of a modernization effort. This paper provides a survey of modernization techniques including screen scraping, database gateway, XML integration, database replication, CGI integration, object-oriented wrapping, and 'componentization' of legacy systems. This general overview enables engineers performing legacy system modernization to preselect a subset of applicable modernization techniques for further evaluation."
Author :United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, and International Security Publisher : ISBN 13 : Total Pages :132 pages Book Rating :4.0/5 ( download)
Book Synopsis Financial Management at the Department of Defense by : United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, and International Security
Download or read book Financial Management at the Department of Defense written by United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, and International Security and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis DOD systems modernization uncertain joint use and marginal expected value of military asset deployment system warrant reassessment of planned investment by :
Download or read book DOD systems modernization uncertain joint use and marginal expected value of military asset deployment system warrant reassessment of planned investment written by and published by DIANE Publishing. This book was released on with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Business Systems Modernization: Scope and Content of DoD¿s Oversight of Investments Need to Improve by : Randolph Hite
Download or read book Business Systems Modernization: Scope and Content of DoD¿s Oversight of Investments Need to Improve written by Randolph Hite and published by DIANE Publishing. This book was released on 2010-10 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1995, the Dept. of Defense's (DoD) multibillion dollar business systems modernization program has been designated as high risk, and it continues to do so today. To assist in addressing DoD's modernization challenges, the Ronald W. Reagan National Defense Authorization Act for FY 2005 requires the DoD to, among other things, report specific information about business system investments, including: (1) milestones and actual performance against specified measures and any revisions; and (2) actions taken to certify that a modernization investment involving more than $1 million meets defined conditions before obligating funds. This report focused on the FY 2010 report's compliance with, these provisions of the act. Illus. This is a print-on-demand publication; it is not an original.
Author :United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, Federal Services, and International Security Publisher : ISBN 13 : Total Pages :140 pages Book Rating :4.0/5 ( download)
Book Synopsis Offline and Off-budget by : United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, Federal Services, and International Security
Download or read book Offline and Off-budget written by United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Federal Financial Management, Government Information, Federal Services, and International Security and published by . This book was released on 2009 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Commerce Business Daily written by and published by . This book was released on 2001-08 with total page 1186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reengineering DoD Through Enterprise-Wide Migration to Open Systems by : Robert A. Cameron
Download or read book Reengineering DoD Through Enterprise-Wide Migration to Open Systems written by Robert A. Cameron and published by . This book was released on 1996-09-01 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Department of Defense cannot afford to develop and deploy information systems that have no growth potential. Legacy systems must be replaced with flexible, highly interoperable systems that produce high residual values. With shrinking budgets, depreciation of existing hardware, and rising maintenance of legacy systems, organizations must deploy systems that are capable of evolving with changing business requirements. The Department of Defense enterprise vision for information management (IM) emphasizes integration, interoperability, flexibility, and efficiency through the development of a common, multipurpose, standards-based technical infrastructure. This vision requires a new paradigm for building information systems. The new paradigm relies on open systems, which make it easier, less expensive, and faster to develop and change applications and to employ new technology features. This research examines open systems and provides a strategy for organizations to migrate to them. A case study of the Naval Postgraduate School illustrates the strategy. Provisionally, a prototype application models the desired characteristics of an open system.
Book Synopsis Software Reengineering of Department of Defense Information Systems Using Object-Oriented Technology by :
Download or read book Software Reengineering of Department of Defense Information Systems Using Object-Oriented Technology written by and published by . This book was released on 1995 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems reengineering is building a new system using an existing system as the basis for requirements or design. As an activity that encompasses a combination of other activities, systems reengineering has the goal of improving the software system in terms of functionality, performance, and/or implementation. This report describes a set of strategies using object oriented technology (OOT) for reengineering information systems in the Department of Defense. It specifically addresses the transition from the process-oriented business and systems analysis models used in legacy systems to the use of object oriented (OO) analysis models. The audience of this report includes DoD software development managers, project managers, technical leads, and software engineers.
Download or read book Signal written by and published by . This book was released on 2006 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on National Security. Subcommittee on Military Procurement Publisher : ISBN 13 : Total Pages :720 pages Book Rating :4.0/5 ( download)
Book Synopsis Hearings on National Defense Authorization Act for Fiscal Year 1999--H.R. 3616 and Oversight of Previously Authorized Programs, Before the Committee on National Security, House of Representatives, One Hundred Fifth Congress, Second Session by : United States. Congress. House. Committee on National Security. Subcommittee on Military Procurement
Download or read book Hearings on National Defense Authorization Act for Fiscal Year 1999--H.R. 3616 and Oversight of Previously Authorized Programs, Before the Committee on National Security, House of Representatives, One Hundred Fifth Congress, Second Session written by United States. Congress. House. Committee on National Security. Subcommittee on Military Procurement and published by . This book was released on 1999 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis China's Strategic Modernization Implications for the United States by : Mark A. Stokes
Download or read book China's Strategic Modernization Implications for the United States written by Mark A. Stokes and published by DIANE Publishing. This book was released on with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional wisdom portrays the People's Republic of China (PRC) People's Liberation Army (PLA) as a backward continental force that will not pose a military challenge to its neighbors or to the United States well into the 21st century. PLA writings that demonstrate interest in exploiting the revolution in military affairs (RMA) are dismissed by a large segment of the PLA- watching community as wistful fantasies. The author offers an alternative perspective by outlining emerging PLA operational concepts and a range of research and development projects that appear to have been heavily influenced by U.S. and Russian writings on the RMA. Fulfillment of the PLA's vision for the 21st century could have significant repercussions for U.S. interests in the Asia-Pacific region.
Book Synopsis Working Effectively with Legacy Code by : Michael Feathers
Download or read book Working Effectively with Legacy Code written by Michael Feathers and published by Prentice Hall Professional. This book was released on 2004-09-22 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get more out of your legacy systems: more performance, functionality, reliability, and manageability Is your code easy to change? Can you get nearly instantaneous feedback when you do change it? Do you understand it? If the answer to any of these questions is no, you have legacy code, and it is draining time and money away from your development efforts. In this book, Michael Feathers offers start-to-finish strategies for working more effectively with large, untested legacy code bases. This book draws on material Michael created for his renowned Object Mentor seminars: techniques Michael has used in mentoring to help hundreds of developers, technical managers, and testers bring their legacy systems under control. The topics covered include Understanding the mechanics of software change: adding features, fixing bugs, improving design, optimizing performance Getting legacy code into a test harness Writing tests that protect you against introducing new problems Techniques that can be used with any language or platform—with examples in Java, C++, C, and C# Accurately identifying where code changes need to be made Coping with legacy systems that aren't object-oriented Handling applications that don't seem to have any structure This book also includes a catalog of twenty-four dependency-breaking techniques that help you work with program elements in isolation and make safer changes.
Book Synopsis Realizing the Potential of C4I by : National Research Council
Download or read book Realizing the Potential of C4I written by National Research Council and published by National Academies Press. This book was released on 1999-06-17 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid progress in information and communications technologies is dramatically enhancing the strategic role of information, positioning effective exploitation of these technology advances as a critical success factor in military affairs. These technology advances are drivers and enablers for the "nervous system" of the militaryâ€"its command, control, communications, computers, and intelligence (C4I) systemsâ€"to more effectively use the "muscle" side of the military. Authored by a committee of experts drawn equally from the military and commercial sectors, Realizing the Potential of C4I identifies three major areas as fundamental challenges to the full Department of Defense (DOD) exploitation of C4I technologyâ€"information systems security, interoperability, and various aspects of DOD process and culture. The book details principles by which to assess DOD efforts in these areas over the long term and provides specific, more immediately actionable recommendations. Although DOD is the focus of this book, the principles and issues presented are also relevant to interoperability, architecture, and security challenges faced by government as a whole and by large, complex public and private enterprises across the economy.
Download or read book Informationweek written by and published by . This book was released on 2004 with total page 1186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Management Information Systems by : Kenneth C. Laudon
Download or read book Management Information Systems written by Kenneth C. Laudon and published by Pearson Educación. This book was released on 2004 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Management Information Systems provides comprehensive and integrative coverage of essential new technologies, information system applications, and their impact on business models and managerial decision-making in an exciting and interactive manner. The twelfth edition focuses on the major changes that have been made in information technology over the past two years, and includes new opening, closing, and Interactive Session cases.
Book Synopsis MITRE Systems Engineering Guide by :
Download or read book MITRE Systems Engineering Guide written by and published by . This book was released on 2012-06-05 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
