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Essay / Research Paper Abstract
The purpose of this 24 paper is to consider when it is best to replace a legacy system and when it is best to retain and maintain it with updates or the use of migration. The is undertaken with the use of an extensive literature review which considers the technology but is written from a business perspective. The results indicate that although replacement may be more attractive, the development of new technology and the risks may indicate, in a cost benefit analysis that legacy systems should be integrated or migration should be used. This paper will help business make decision regarding the way in which they make the future IT investment decision where there are legacy systems in place.
Page Count:
24 pages (~225 words per page)
File: TS14_TElegacy.rtf
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Unformatted sample text from the term paper:
4.2 THE DECISION PROCESS 11 5. WHEN LEGACY SYSTEMS REPLACING MAKES SENSE 12 6. APPLICATION MIGRATION IN LEGACY SYSTEMS 14 7. CASE STUDIES 16 7.1 REPLACING A SYSTEM; ZURICH ASSURANCE 16 7.2 INTEGRATION AND MIGRATION; COVENTRY COUNCIL AND SIEMENS 17 9.
FUTURE AND CONCLUSION 20 REFERENCES 25 1. Abstract The purpose of this paper is to consider when it is best to replace a legacy system and when it is best to retain and
maintain it with updates or the use of migration. The is undertaken with the use of an extensive literature review which considers the technology but is written from a business
perspective. The results indicate that although replacement may be more attractive, the development of new technology and the risks may indicate, in a cost benefit analysis that legacy systems should
be integrated or migration should be used. This paper will help business make decision regarding the way in which they make the future IT investment decision where there are legacy
systems in place. 2. Introduction In the past decision regarding IT tending to focus on whether or not to invest, if computerising will increase efficiency and add value
or if it will result in the technophobes fears of depersonalisation. Fears existing about system, failing, becoming outdated, and issues such the productivity paradox indicated that there may never be
a full return in terms of increased productivity (Lichtenberg, 1995). Today the position has not changed, there are still concerns and fears over the investment in IT, but the
focus has shifted, the decision whether or not to invest is no longer the focal point, the issue is not whether to invest but is a matter of how to
invest. Many systems are now out of date with information locked into them which is difficult to retrieve. The systems that are in place may not communicate with the older
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