Comparison Analysis of TCP Weswood+ and New Reno on Wireless Mesh Network Using NS-3
DOI:
https://doi.org/10.33795/jartel.v15i1.6279Keywords:
Congestion, NS-3, TCP New Reno, TCP Westwood+, Wireless Mesh Network, QoSAbstract
The demand for internet connectivity continues to increase as most daily activities are now inseparable from network access, leading to the development of large-scale wireless infrastructures such as Wireless Mesh Networks (WMNs). As the number of home internet users grows, network traffic also increases, potentially causing congestion. TCP New Reno and TCP Westwood+ are two TCP variants designed to improve Quality of Service (QoS) in large wireless networks. This study evaluates the performance of both variants using a wireless mesh network modeled and simulated in NS-3. In Scenario 1, the WMN topology was successfully implemented, and both TCP variants were tested and compared. The results show that TCP Westwood+ achieved the highest average throughput, packet loss, and delay values, namely 1.82447 Mbit/s, 0.0391527%, and 160.899 ms, respectively. However, TCP New Reno demonstrated better jitter performance with the lowest value of 2.310563 ms on a 40-node network. In Scenario 2, two nodes requested FTP services using TCP and UDP. TCP New Reno showed better performance in packet loss, delay, and jitter, while TCP Westwood+ achieved the highest average throughput of 1.9983 Mbit/s on 40 nodesReferences
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