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Table 2 Variables of the feedback control scheme

From: Incorporate intelligence into the differentiated services strategies of a Web server: an advanced feedback control approach

 

AD

RD

Reference W k

Desired delay of class k

Desired delay ratio between class k and k - 1

Output C k (V)

Measured delay of class k

Measured delay ratio between class k and k - 1

Control input B k (U)

Process budget of class k

Ratio between the process budgets of classes k and k