• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2019, Volume: 12, Issue: 12, Pages: 1-7

Original Article

Congestion Control using Fuzzy based Adaptive TCP Window Adjustment


Objectives: To design an adaptive window adjustment mechanism for Transmission Control Protocol (TCP) in Mobile Ad hoc NETworks (MANET). Methods/Statistical Analysis: A congestion control using Fuzzy based adaptive TCP window adjustment technique is proposed. In this technique, the bottleneck bandwidth and total round-trip delay metrics are considered as input for the fuzzy logic decision model. The corresponding congestion window adjustment size is returned as the output. The proposed Fuzzy TCP-WA technique is simulated using NS2 and compared with FL-TCP. The proposed TCP-WA technique can be applied in interactive real-time applications like live chat session and File Transfer Protocol (FTP). Simulation results using NS2 suggest that the proposed congestion control technique Findings: educes the packet drop and delay and increases the throughput.

Keywords: Bandwidth and Delay Product, Bottleneck Bandwidth, Congestion Control, Congestion Window, Fuzzy Logic, Roundtrip Delay, Transmission Control Protocol (TCP)


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