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Modelling Confidence for Quality of Service Assessment in Cloud Computing

机译:云计算中服务质量建模信心

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The ability to assess the quality of a service (QoS) is important to the emerging cloud computing paradigm. When many cloud service providers exist offering many functionally identical services, the prospective users of these services will wish to use one that offers the best quality. Many techniques and tools have been proposed to assess QoS, and the ability to deal with uncertainty surrounding the QoS verdicts given by any such techniques or tools is essential. In this paper, we present a probabilistic model to quantify confidence in QoS assessment. More specifically, we take the number of QoS data items used in assessment and the variation of data in the dataset into account in our measure of assessment reliability. Our experiments show that our confidence model can help consumers to select services based on their requirements effectively.
机译:评估服务质量(QoS)的能力对新出现的云计算范例很重要。当许多云服务提供商存在提供许多功能相同的服务时,这些服务的潜在用户希望使用提供最佳质量的用户。已经提出了许多技术和工具来评估QoS,以及应对任何此类技术或工具给出的QoS判决周围不确定性的能力至关重要。在本文中,我们提出了一种概率模型来量化对QoS评估的信心。更具体地说,我们在评估可靠性的测量中考虑了评估中的QoS数据项的数量和数据集中的数据变化。我们的实验表明,我们的信心模型可以帮助消费者有效地根据其要求选择服务。

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