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Host virtualization is quickly being introduced to production environments as it facilitates the recent years' computing centre consolidation efforts. While its introduction offers new opportunities in IT management, it also presents challenges that are yet to be tackled. In this paper, the authors chart these areas of concern according to established conceptual management frameworks and juxtapose the result to a survey of current work. The proliferation of production-grade host virtualization solutions in recent time has been welcomed by data centre operators for the promises offered with respect to cost savings and management facilitation. Applications, services, as well as Operations and Business Support Systems software (OSS/BSS) are being increasingly provided from virtual machine platforms.
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