Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Hierarchical packet fair queueing algorithms
Conference proceedings on Applications, technologies, architectures, and protocols for computer communications
A formal approach to investigate the performance of modern e-commerce services
ASMTA'10 Proceedings of the 17th international conference on Analytical and stochastic modeling techniques and applications
Synthesis of performance management mechanisms in modern e-commerce services
Proceedings of the 12th International Conference on Information Integration and Web-based Applications & Services
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Integrated services IP networks are expected to provide a variety of services with differentiated QoS. This requires the implementation of mechanisms that can discriminate service classes in terms of QoS. The IETF has recently proposed a Differentiated Services (Diffserv) framework for provision of QoS. In this paper, we analyze performance of two Diffserv mechanisms: Threshold Dropping and Priority Scheduling in terms of packet loss and mean packet delay. A comparison of the two mechanisms is carried out with the requirement that both mechanisms provide the same level of packet loss for the preferred flow. This comparison extends the results reported in the literature for these two mechanisms. In particular, in this paper we determine the impact of buffer threshold and buffer size on packet loss and mean packet delay in these mechanisms.