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We consider TCP and real-time connections sharing a bottleneck buffer using RED. The latter gives differentiated services to the applications according to their choice of service class. The choice of a service class of an application depends both on the QoS as well as on the cost. We first study the performance of the system as a function of the connections’ parameters and choice of service classes...
Several objectives have been identified in developing the random early drop (RED): decreasing queueing delay, increasing throughput, and increasing fairness between short and long lived connections. It has been believed that indeed the drop probability of a packet in RED does not depend on the size of the file to which it belongs. In this paper we study the fairness properties of RED where fairness...
In a Differentiated Services network, the use of TCP by an application impacts the service it gets from the network. TCP congestion control algorithms are designed to provide a fair sharing of resources in a best effort network as the current Internet. TCP is not conscious of the new services proposed by DiffServ, namely the different priorities packets are injected with into the network. Many schemes...
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