Coarse-Grain QoS-Aware Dynamic Instance Provisioning for Interactive Workload in the Cloud

<table>The time structure for simulation. A day is divided into several<i> phases</i>. The delay violation probability is evaluated in each phase. A phase is divided into several<i> slots</i>. The response delay for each request arrived within a slot is approximated by the mean response delay in this slot. To estimate the mean response delay using the Allen-Cunneen formula, a slot is further divided into several time windows to measure the coefficient of variation of inter-arrival time.</table>

Mathematical Problems in Engineering

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Figure 3: Coarse-Grain QoS-Aware Dynamic Instance Provisioning for Interactive Workload in the Cloud 