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Analysis of a threshold dropping scheme for different service classes in the Internet

In this paper a packet discard scheme is proposed with the goal of providing incoming data flows with output link bandwidth depending on the class of service they belong to. Good performance in terms of throughput and fairness in bandwidth sharing among equal priority flows are also considered as the requirements to meet. The dropping scheme is shown to provide very good results and to represent a possible solution for dealing with the most demanding data flows during congestion intervals. Numerical results are reported and discussed for homogeneous and non-homogeneous data sources.