User Utility Oriented Queuing Model for Resource Allocation in Cloud Environment

Pseudocode 2

initialize upgrade = 1;

while (task is time sensitive and upgrade = 1)

 let previous user of current be current user;

 unit time cost of current user = unit time cost × (1 + %);

 unit time cost of previous user = unit time cost × (1 −  %);

 if (both cost of current user and previous user do not decrease)

  upgrade = 1;

 else

  upgrade = 0;

  rescore current user bo be current user;