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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 Ecn Approach to Congestion Control Mechanisms in Mobile Adhoc Networks

Author 1: Som Kant Tiwari
Author 2: Dr.Y.K.Rana
Author 3: Prof. Anurag Jain

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2014.050723

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 5 Issue 7, 2014.

  • Abstract and Keywords
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Abstract: Node(s)/link(s) of a network are subjected to overloading; network performance deteriorates substantially due to network congestion. Network congestion can be mitigated with the help of Explicit Congestion notification (ECN) technique. ECN notification is carried out by setting ECN bit in the TCP header. This allows for end-to-end notification of network congestion without dropping packets. ECN bit notifies TCP sources of incipient congestion before losses occur. ECN is a binary indicator (1 bit) which does not reflect the congestion level completely and so its convergence speed is relatively low. In our work, we have used an extra ECN bit (2 bit ECN). The extra bit allows for passing of additional congestion feedback to the source node. This enables the source node to determine the level of congestion based on which steps can be taken to ensure faster convergence. In comparison to single bit ECN, the additional information afforded by double bit ECN allows for more flexibility to adjust window size, to handle congestion. Simulation results have shown that the proposed method improves overall performance of the network by over 12%.

Keywords: Explicit Congestion Notification (ECN); Mobile ad hoc Networks (MANET); Congestion control; Congestion window Transmission Control Protocol (TCP)

Som Kant Tiwari, Dr.Y.K.Rana and Prof. Anurag Jain, “An Ecn Approach to Congestion Control Mechanisms in Mobile Adhoc Networks” International Journal of Advanced Computer Science and Applications(IJACSA), 5(7), 2014. http://dx.doi.org/10.14569/IJACSA.2014.050723

@article{Tiwari2014,
title = {An Ecn Approach to Congestion Control Mechanisms in Mobile Adhoc Networks},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2014.050723},
url = {http://dx.doi.org/10.14569/IJACSA.2014.050723},
year = {2014},
publisher = {The Science and Information Organization},
volume = {5},
number = {7},
author = {Som Kant Tiwari and Dr.Y.K.Rana and Prof. Anurag Jain}
}


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