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IIJCS:Volume 2, Issue 8, August 2014

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Title:
A Study on TCP Congestion Control Using RED Algorithm with SNR Ratio
Author Name:
T. Shanmuga Priya, Dr.N.R.Ananthanarayanan
Abstract:
ABSTRACT TCP (Transmission Control Protocol) is a protocol used along with the Internet Protocol (IP) to send data in the form of packets between computers over the Internet. While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the packets that a message is divided into for efficient routing through the Internet. TCP considers all packet timeouts in wired networks as due to network congestion and not to bit errors. It therefore considers all packet losses as due to congestion and consequently reduces the burst of packet, diminishing at the same time the network throughput [1]. In Existing work the classical Slow-start algorithm along with reserved bits and SNR ratio has been developed for this problem. But Slowstart algorithm takes some time to receive the acknowledgement from the receiver. This paper proposes a new TCP RED congestion avoidance algorithm appropriate for wireless as well as wired networks and is capable of distinguishing congestion losses from error losses proactively. Proposed RED algorithm won’t wait for the packet’s acknowledgement. The proposed RED algorithm also based on using the reserved field of the TCP header to indicate whether the established connection is either wired or wireless link. Additionally, the proposed algorithm uses the SNR ratio to detect the reliability of the link proactively. Instead of the slow-start algorithm, proposed system uses the RED algorithm. Keywords: TCP Congestion, RED, Reserved Field, SNR
Cite this article:
T. Shanmuga Priya, Dr.N.R.Ananthanarayanan , " A Study on TCP Congestion Control Using RED Algorithm with SNR Ratio" , IPASJ INTERNATIONAL JOURNAL OF COMPUTER SCIENCE(IIJCS) , Volume 2, Issue 8, August 2014 , pp. 028-034 , ISSN 2321-5992.
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