So Horng therefore further studies of several persons searched by the Dispatching Rules, the best of each to be compared with the results for the period the normal flow that NINQ + SPT and LINQ + SPT is the best choice. While NINQ + MDD and NINQ + EDD for the flow of the process are distributed evenly. Meanwhile NINQ + AT-RPT and LINQ + AT-RPT great variability in the flow.