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Advances, Systems and Applications

Table 3 M/M/c queueing model parameters

From: Efficient resource provisioning for elastic Cloud services based on machine learning techniques

Param.

Meaning

Value

λ

Arrival rate

Real or forecast server load (requests/s)

μ

Service rate

200 requests/s

ρ

System utilization

<1

W

Average response time

≤7.5 ms

W q

Average queue time

≤2.5 ms