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Performance Analysis of TCP-AFC for Satellite-based Networks

by N. J. Kothari, Bhavika Gambhava, K. S. Dasgupta
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 1 - Number 10
Year of Publication: 2010
Authors: N. J. Kothari, Bhavika Gambhava, K. S. Dasgupta
10.5120/230-381

N. J. Kothari, Bhavika Gambhava, K. S. Dasgupta . Performance Analysis of TCP-AFC for Satellite-based Networks. International Journal of Computer Applications. 1, 10 ( February 2010), 5-10. DOI=10.5120/230-381

@article{ 10.5120/230-381,
author = { N. J. Kothari, Bhavika Gambhava, K. S. Dasgupta },
title = { Performance Analysis of TCP-AFC for Satellite-based Networks },
journal = { International Journal of Computer Applications },
issue_date = { February 2010 },
volume = { 1 },
number = { 10 },
month = { February },
year = { 2010 },
issn = { 0975-8887 },
pages = { 5-10 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume1/number10/230-381/ },
doi = { 10.5120/230-381 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T19:45:40.421409+05:30
%A N. J. Kothari
%A Bhavika Gambhava
%A K. S. Dasgupta
%T Performance Analysis of TCP-AFC for Satellite-based Networks
%J International Journal of Computer Applications
%@ 0975-8887
%V 1
%N 10
%P 5-10
%D 2010
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Satellite has been identified as a potential candidate to meet the explosive Internet demand and to evolve the global Internet services. With a view to combat channel errors predominant in satellite based networks, TCP with Adaptive Flow Control and Delayed Fast Recovery (TCP-AFC) has been designed to identify a random loss with the help of selective acknowledgments. TCP-AFC has demonstrated significant performance enhancement in error prone environments through simulations and experiments on an active emulated network. In order to substantiate the improvement, we investigate the performance of TCP-AFC in a real environment consisting of a Ku band satellite link, which is more susceptible to atmospheric conditions. This paper focuses on evaluation of TCP-AFC in real life situations having appreciable channel noise and delay. Results of the extensive experiments conducted on a test bed consisting of a symmetric GEO satellite link for different channel conditions, data volume, data type and data traffic are presented in this paper. Analysis of the results reconfirms the compatibility of TCP-AFC in a heterogeneous network besides the performance improvement over a dedicated satellite link.

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Index Terms

Computer Science
Information Sciences

Keywords

TCP-AFC SACK_OK cwnd Cd BER

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