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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

An Adaptive Solution for Congestion Control in CoAP-based Group Communications

Author 1: Fathia OUAKASSE
Author 2: Said RAKRAK

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2017.080629

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 8 Issue 6, 2017.

  • Abstract and Keywords
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Abstract: The use of lightweight devices and constrained resources like Wireless Sensors Network (WSN) makes patterns traffic in the Internet of Things (IoT) different from the ones in conventional networks. One of the most emerging messaging protocols used to address the needs of these lightweight IoT nodes is Constrained Application Protocol (CoAP). CoAP presents a lot of advantages compared to other IoT application layer protocols; it ensures group communication via multicast communications between a server and multiple clients. Nevertheless, it doesn’t support a group communication from a client to multiple servers; it relies on multiple unicasts to do so. Regarding the fact that these constrained devices communicate via a large amount of messages and notifications, network congestion occurs. This paper proposes an adaptive congestion control algorithm designed for group communications using unicast between a client and multiple servers. Simulated results show that the proposed mechanism can appropriately achieve higher performances in terms of response time and packet loss.

Keywords: Internet of Things (IoT); Constrained Application Protocol (CoAP); congestion control; group communication; multicast; unicast

Fathia OUAKASSE and Said RAKRAK, “An Adaptive Solution for Congestion Control in CoAP-based Group Communications” International Journal of Advanced Computer Science and Applications(IJACSA), 8(6), 2017. http://dx.doi.org/10.14569/IJACSA.2017.080629

@article{OUAKASSE2017,
title = {An Adaptive Solution for Congestion Control in CoAP-based Group Communications},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2017.080629},
url = {http://dx.doi.org/10.14569/IJACSA.2017.080629},
year = {2017},
publisher = {The Science and Information Organization},
volume = {8},
number = {6},
author = {Fathia OUAKASSE and Said RAKRAK}
}


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