Overcrowding Control Techniques for Throughput and Less Delay in Networks

computer science and engineering

Abstract:— to prevent overcrowding control over network it provide a slow start mechanism in transmission control protocols window size for improvement of throughput and traffic determining for less delay in network links. The research work presented the behavior over networks link, characterized by time unstable capacity, random delay and non-congested packet losses. In transmission control protocol start slow first evolution from the slow start state to overcrowding avoidance state happens after the first packet losses. If packet losses are eliminated, it needs a slow start like mechanism that grows the window size speedily when the network is un-overcrowded and based on received packet marks, switch to overcrowding prevention before the bottleneck queue grows large. In traffic determining, the sender could use some basic traffic shaping e.g. keep a minimum inter-packet interval corresponding to half the expected RTT, divided by the current window size in packet. Throughput is also based on bandwidth & delay in networks. A new algorithm must work in the setting that a subset of end-nodes and routers are upgrade, and flows using the old and the new algorithm share resources. It is not feasible to have a flag day when all end nodes or all routers switch to a new algorithm.

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