Evaluating the Perfomance of the Modified Dynamic Hose Model for Virtual Private Networks
Keywords:Dynamic Hose, VPN, Hose Model, Algorithm
This paper is designed to model a Modified Dynamic Hose Algorithm for data traffic management. The Virtual Private Network (VPN) under study was characterized and the data for transmission was modeled. Then Algorithm for Modified Dynamic Hose Model to handle varying traffic rates was developed and simulated using MATLAB. The results obtained from network characterization shows that variation in window size and packet size affects the throughput in a VPN as an increase in window size from 50kb to 100kb improved the throughput generated from 15 for the Conventional Hose Model to 28.3 for the Modified Dynamic Hose Model resulting in 13.3 throughputs, which translate to 47% improvement. Also variation in window size and packet size affects the throughput in a VPN as an increase in window size from 10kb to 50kb resulted to a maximum throughput of 3.01 for the Conventional Model as against 15 for the Modified Dynamic Hose Model resulting to additional 11.99 or improvement of 79.93%. The Modified Dynamic Hose Model algorithm, unlike the Conventional Hose Model, determines whether to drop a particular packet or to queue it thereby improving the bandwidth utilization, minimize latency (delays) and Virtual Private Network Throughput.
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