Cache Performance Models for Quality of Service Compliance in Storage Clouds

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Executive Summary

With the growing popularity of cloud-based data centers as the enterprise IT platform of choice, there is a need for effective management strategies capable of maintaining performance within SLA and QoS parameters when responding to dynamic conditions such as increasing demand. Since current management approaches in the cloud infrastructure, particularly for data-intensive applications, lack the ability to systematically quantify performance trends, static approaches are largely employed in the allocations of resources when dealing with volatile demand in the infrastructure. The authors present analytical models for characterizing cache performance trends at storage cache nodes.

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