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Cloud computing becomes more and more popular for its on-demand services and pay-as-you-go model. Elasticity is the key feature of cloud computing technology, which can reduce and add resources flexibly to meet customers' need. Considering the important of elasticity of cloud computing platform, the objective of this paper is to study the evaluation elasticity of cloud computing platform. In this...
Elasticity mechanism is the important feature of infrastructure clouds, which can add or remove resources to adapt the workload change. The elasticity mechanism impacts the quality of service and service level agreement. However, the performance of elasticity is hard to quantity. There are no efficient benchmarks to evaluate the elasticity mechanism. Exiting methods haven't considerate the different...
Virtualized cloud systems are prone to performance anomalies due to various reasons such as resource contentions, software bugs, and hardware failures. It will be a daunting task for system administrators to manually keep track of the execution status of a large number of virtual machines all the time. Anomaly prediction is an effective approach to enhancing availability and reliability of Cloud infrastructures...
Witnessing the great growth of cloud services, providers are faced with the state monitoring for a diversity of services from federated clouds. Since the consumers might have individual SLA requirements on its applications, the state monitoring of service has become a demanding work in the cloud. In this paper, we present a SLA-driven state monitoring framework for cloud service based on the matrix...
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