Statistics and analysis of service availability in cloud computing

This paper focuses on solving the problem of measuring and monitoring service availability in Cloud Computing. It introduces existing Service-Level Agreement (SLA) monitoring approaches and frameworks. On this basis, it presents a new approach which monitors cloud service availability from the client-centric point of view. This approach was designed, implemented and tested on a sample cloud environment. The measured data is statistically analyzed to obtain results which are as accurate as possible. The entire process of monitoring and statistical analysis is automated so that it can be incorporated in further research to create a complete solution for managing SLA in Cloud Computing from a client-centric perspective.

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