An adaptive parameter design for adaptive virtual queue management algorithm

In this paper, the sensitivity problem of the AVQ algorithm to the desired utilization parameter γ and the damping parameter α is investigated. It is difficult to achieve a fast system response and high link utilization simultaneously using a constant value γ. An adaptive setting method for γ is proposed according to the instantaneous queue size and the given reference queue value. This new algorithm, called stabilized AVQ (SAVQ), stabilizes the dynamics of queue maintaining a high link utilization. Experiments also show that savq achieves good responsiveness and relatively high utilization compared with original AVQ scheme.