Integrated Proactive Admission Control Technique For both UDP And TCP Traffic Flows

Abstract

<p class="MsoNormal" style="text-align: left; margin: 0cm 0cm 0pt;" align="left"><span class="text"><span style="font-family: ";Arial";,";sans-serif";; font-size: 8.5pt;">Real time traffic adopting UDP at the transport layer needs some quality of service. It is offered through an admission control scheme. This paper adopts one such scheme which is extended for elastic traffics adopting TCP at the transport layer. The proposed scheme operates on reserving network resources on a proactive manner. It is based on the principle of telephone networks Erlang-B model. The blocking probability measured is used as a flow admission decision parameter. The effectiveness of the proposed admission control algorithm is determined here through simulation. It offers a fair admission rate to both UDP and TCP traffic flows. It also results in a better bottleneck link utilization at a comparatively lower overhead traffic.</span></span><span style="font-family: ";Arial";,";sans-serif";; font-size: 8.5pt;"></span></p

On the Validity of Fluid-dynamic Models for Data Networks

“…There are a considerable number of different approaches to telecommunication and data networks and their load evolution. Focusing the attention on Internet and the control congestion algorithms, as TCP/IP, see for instance [2,3,8,9,10,11,12,13,14,15,16,17,18]. The layered structure of Internet renders it a difficult task to model in a complete way the dynamics, or even just to measure it as showed in [1].…”