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Table 1 List of mathematical notations

From: A proactive resource allocation method based on adaptive prediction of resource requests in cloud computing

Symbol

Annotation

Symbol

Annotation

\(T_{th}\)

The predefined threshold of main types of VMs

\(Q1\)

First quartile

\(Q3\)

Third quartile

IQR

Interquartile range

\(M(t)\)

Current number of VM requests at \(t\) time

\(D(t + h)\)

The predicted number of VM requests at \(t + h\) time

\(N(t)\)

The total number of VM requests at \(t\) time

\(x_{ij}\)

The mapping element between a VM and a PM

\(MD_{ij}\)

Resource performance matching distance

\(MPM_{ij}\)

resource proportion matching distance