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Advances, Systems and Applications

Table 2 Additional concepts and notation for admission control

From: Prediction-based VM provisioning and admission control for multi-tier web applications

s e a (k)

set of aborted sessions at time k

s e d (k)

set of deferred sessions at time k

s e n (k)

set of new session requests at time k

s e r (k)

set of rejected sessions at time k

S open (k)

set of open application servers at time k

C(e n t,k)

load average of the busy service server at time k

M(e n t,k)

memory utilization of the busy server server at time k


weighting coefficient for admission control