Toward Cloud Computing QoS Architecture: Analysis of Cloud Systems and Cloud Services |
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Authors: | MH Ghahramani MengChu Zhou Chi Tin Hon |
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Affiliation: | 1.Institute of Systems Engineering, Macau University of Science and Technology, Macau 999078, China2.Helen and John C. Hartmann Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA3.School of Management, Fudan University, Shanghai 200433, China |
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Abstract: | Cloud can be defined as a new computing paradigm that provides scalable, on-demand, and virtualized resources for users. In this style of computing, users can access a shared pool of computing resources which are provisioned with minimal management efforts of users. Yet there are some obstacles and concerns about the use of clouds. Guaranteeing quality of service (QoS) by service providers can be regarded as one of the main concerns for companies tending to use it. Service provisioning in clouds is based on service level agreements representing a contract negotiated between users and providers. According to this contract, if a provider cannot satisfy its agreed application requirements, it should pay penalties as compensation. In this paper, we intend to carry out a comprehensive survey on the models proposed in literature with respect to the implementation principles to address the QoS guarantee issue. |
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Keywords: | Cloud computing quality of service (QoS) service level agreements (SLA) system-of-systems (SoS) |
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