Enhanced Snoop Protocol for Improving TCP Throughput in Wireless Links 


Vol. 30,  No. 6, pp. 396-405, Jun.  2005


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  Abstract

Snoop protocol is one of the efficient schemes to compensate TCP packet loss and enhance TCP throughput in wired-cum-wireless networks. However, Snoop protocol has a problem; it cannot perform local retransmission efficiently under the bursty-error prone wireless link. In this paper, we propose Enhanced Snoop(E-Snoop) protocol to solve this problem of Snoop protocol. With E-Snoop protocol, packet losses can be noticed by receiving new ACK packets as well as by receiving duplicate ACK packets or local retransmission timeout. Therefore, TCP throughput can be enhanced by fast recognition of bursty packet losses and fast local retransmissions. From the simulation results, E-Snoop protocol can improve TCP throughput more efficiently than Snoop protocol and can yield more TCP improvement especially in the channel with high packet loss rates.

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  Cite this article

[IEEE Style]

Y. Cho, G. Won, S. Cho, "Enhanced Snoop Protocol for Improving TCP Throughput in Wireless Links," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 396-405, 2005. DOI: .

[ACM Style]

Yong-bum Cho, Gi-sup Won, and Sung-joon Cho. 2005. Enhanced Snoop Protocol for Improving TCP Throughput in Wireless Links. The Journal of Korean Institute of Communications and Information Sciences, 30, 6, (2005), 396-405. DOI: .

[KICS Style]

Yong-bum Cho, Gi-sup Won, Sung-joon Cho, "Enhanced Snoop Protocol for Improving TCP Throughput in Wireless Links," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 396-405, 6. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880