Modeling and Simulation of Out-of-Order Impact in TCP Protocol - Volume 3 Number 3 (Sep. 2015) - JACN
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General Information
    • ISSN: 1793-8244
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Dr. Ka Wai Gary Wong
    • Executive Editor: Ms. Nina Lee
    • Abstracting/ Indexing: EI (INSPEC, IET),  Electronic Journals Library, Ulrich's Periodicals Directory, EBSCO, ProQuest, and Google Scholar.
    • E-mail:
Dr. Ka Wai Gary Wong
Division of Information and Technology Studies, Faculty of Education, The University of Hong Kong.
It's a honor to serve as the editor-in-chief of JACN. I'll work together with the editors and reviewers to help the journal progress
JACN 2015 Vol.3(3): 220-224 ISSN: 1793-8244
DOI: 10.7763/JACN.2015.V3.170

Modeling and Simulation of Out-of-Order Impact in TCP Protocol

Seifedine Kadry and Ali Edan Al-Issa
Abstract—The Internet provides a powerful, cost effective, reliable, and survivable communication over the world for different services like e-commerce, finance, education, military, and so on. The Internet has been rapidly increased; it has been growing at unprecedented rates. As the Internet become huge, its network performance becomes subjected to a lot of problems that decrease the communication performance like congestion, interference, reordering and so on. In this paper, we focus on measuring the impact of packets and ACKs reordering on the performance of TCP variants namely TCP Reno, TCP New Reno, TCP SACK, and TCP Vegas, we also analyze the performance of these protocols when their duplicate acknowledgement threshold (Dupthresh) values are increased in order to prevent false fast retransmissions and unnecessary Congestion Window Size (CWND) reductions.

Index Terms—TCP, out-of-order, NS-2, TCP Reno, TCP new Reno, TCP SACK, TCP Vegas.

S. Kadry is with American University of the Middle East, Kuwait (e-mail:
A. E. Al-Issa was with Arts Sciences and Technology University, Lebanon (e-mail:


Cite:Seifedine Kadry and Ali Edan Al-Issa, "Modeling and Simulation of Out-of-Order Impact in TCP Protocol," Journal of Advances in Computer Networks vol. 3, no. 3, pp. 220-224, 2015.

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