Abstract
The differentiated services (DS) architecture provides Quality of Service(QoS) assurance to different classes of service (CoSs). Our previous research results show that both intradomain and interdomain best-effort traffic can have adverse impact on the interdomain TCP assuredservice traffic. With the Measurement-basedconnection-orien ted assured service model we developed in our previous research, we are able to provide end-to-end TCP throughput assurance for each CoS. However, for each TCP session within a CoS, the throughput may not be able to be guaranteed. In this paper, we propose modified marking and dropping policy based on our previous research results. The simulations show that with these techniques, the end-to-end throughput for each individual TCP flow can be significantly improved. It also maintains the high scalability of the DS architecture without requiring the core router to keep flow per-flow state information.
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References
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He, X., Che, H. (2001). Achieving End-to-End Throughput Guarantee for Individual TCP Flows in a Differentiated Services Network. In: Lorenz, P. (eds) Networking — ICN 2001. ICN 2001. Lecture Notes in Computer Science, vol 2093. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-47728-4_36
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DOI: https://doi.org/10.1007/3-540-47728-4_36
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