Performance indicator evaluation for a cloud computing system from QoS viewpoint

Yi-Kuei Lin () and Ping-Chen Chang

Quality & Quantity: International Journal of Methodology, 2013, vol. 47, issue 3, 1605-1616

Abstract: With the development of information technology, the cloud computing system (CCS) has become a new paradigm for the business and clients. The system supervisor has to guarantee the CCS keeps a good quality of service (QoS) to satisfy the clients’ requirements. The maintenance action is thus necessary when the CCS falls to a specific state such that it cannot afford enough capacity to meet demand d. In order to measure the service level of a CCS, this paper constructs a network model and proposes a key performance indicator (KPI), where the KPI is utilized to evaluate the probability that the demand can be satisfied under both transmission time and maintenance budget constraints. A method to derive the interval estimation for the KPI is developed. The system supervisor can conduct the sensitive analysis to improve/investigate the most important part in a large CCS afterwards. Copyright Springer Science+Business Media B.V. 2013

Keywords: Key performance indicator (KPI); Cloud computing system (CCS); Interval estimation; Maintenance budget; Quality of service (QoS) (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1007/s11135-011-9613-z

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