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Purpose The purpose of this paper is to define and describe virtualization of servers and cloud computing. Understanding the differences and similarities between the two technology models will help digital library managers make better decisions related to hosting of application services. Design/methodology/approach The paper is a general overview of the principles and techniques of virtualization and cloud computing. Findings Both virtualization and cloud computing can be effective methods of optimizing hardware resources used to run digital library applications; however, system managers should not overlook the potential for security problems and management problems given the outsourced nature of the computing resources. Originality/value The paper fills a gap in the digital library project management literature by providing an overview of the server virtualization and cloud computing models which could be applied to digital library projects.
H. Frank Cervone (Tue,) studied this question.