Study of delay jitter with and without peak rate enforcement

In this paper, the modification of a tagged traffic stream due to statistical multiplexing is studied by presenting a numerical approach for the calculation of the tagged delay jitter and interdeparture processes. Both the single- and multiple-node cases are considered. Unlike the past work, the developed approach is applicable under both the standard first come first served (FCFS) policy and a peak-rate enforcing multiplexing policy. The latter policy can be adopted to reshape the tagged traffic stream within the network. Restoring a shaped traffic profile within the network may be necessary to obtain some of the benefits for which the original shaping is carried out at the network edge. This study also provides results and insight regarding the potential gains of reregulation within the network.