A Two-Tier Energy-Aware Resource Management for Virtualized Cloud Computing System

Algorithm 2

VDS-based kPP algorithm.

Input:

 The state of ;

Output:

 The possible state ;

()   

()   set be the state that the frequency is max for each CPU in all FSU

()   

()   while or doesn’t change in rounds do

()    ,  

()    randomly select a subset

()    , for all /Select the state form subset with minimum energy consumption/

()     /Change frequencies combination of FSU to /

()    for to do

()   if violates SLAs according to then

()    go to ()

()   end if

()  end for

()   /Change states/

()  

() end while

() return