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An Improved TCP Westwood Congestion Avoidance Algorithm to Increase Throughput

Author(s):

Vivekkumar Majithiya , G H Patel College of Engineering & Technology; Prof Priyang Bhatt, G H Patel College of Engineering & Technology

Keywords:

MANET, TCP, back off procedure

Abstract

TCP is a transport layer protocol which provides reliable and connection oriented transmission. The main problem of TCP is in wireless networks. In wired network, packet loss is mostly due to network congestion, while in wireless network the packet loss may be due to network congestion or may be due to mobility of nodes. TCP starts its back off procedure when it detects packet loss, if the packet loss is due to node movement then the back off procedure will be unnecessary and it will create delay in the network. There are many TCP variants available. TCP Westwood (TCPW) is a sender-side-only modification to TCP New Reno that is intended to better handle large bandwidth-delay product paths (large pipes), with potential packet loss due to transmission or other errors (leaky pipes), and with dynamic load (dynamic pipes). In this paper a better mechanism for congestion avoidance is suggested for TCP Westwood to increase throughput.

Other Details

Paper ID: IJSRDV2I4289
Published in: Volume : 2, Issue : 4
Publication Date: 01/07/2014
Page(s): 497-500

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