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An Evaluation of Variability Mechanisms to Manage Cloud Services

There is an increasing demand for customizable services by consumers in service-oriented or cloud computing domain. Service providers have to provide various kinds of variability in their services. However, there is a lack of information which illustrates how practitioners and providers cope with the variability problem in the service domain. We conduct a survey to get insights from participants what kind of variability exists and how to provide/manage variability for service-oriented domain. We also analyze the importance of criteria for variability mechanisms and discuss it in this paper. In short, we reveal the understanding of variability between survey participants and which criteria are important when choosing an approach to provide variability in services domain.