On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics

Hyogon Kim, Heejo Lee, Sangmin Shin, Inhye Kang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

ACK thinning refers to the technique to discard or reduce TCP acknowledgements (ACKs) for the purpose of diverting scarce bandwidth to TCP data traffic. Delayed ACK and ACK filtering fall into the category. It has been shown that under some circumstances the technique is effective to boost the TCP throughput on wireless links, in particular the IEEE 802.11 wireless LAN (WLAN). In this paper, however, we show that ACK thinning backfires under congestion due to its cross-layer impact on the 802.11 MAC dynamics. With the ACK filtering example, we demonstrate the phenomenon and analyze the cause. Based on the analysis, we show how the IEEE 802.11 contention window size control solves the problem. Although only the ACK filtering and Delayed ACK are considered in this paper, any other techniques to save on TCP ACK bandwidth usage share the same fundamental issues.

Original languageEnglish
Title of host publicationIEEE Vehicular Technology Conference
Pages2241-2246
Number of pages6
DOIs
Publication statusPublished - 2006 Dec 1
Event2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall - Montreal, QC, Canada
Duration: 2006 Sep 252006 Sep 28

Other

Other2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall
CountryCanada
CityMontreal, QC
Period06/9/2506/9/28

Fingerprint

Bandwidth
Local area networks
Telecommunication traffic
Telecommunication links
Throughput

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Kim, H., Lee, H., Shin, S., & Kang, I. (2006). On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics. In IEEE Vehicular Technology Conference (pp. 2241-2246). [4109728] https://doi.org/10.1109/VTCF.2006.463

On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics. / Kim, Hyogon; Lee, Heejo; Shin, Sangmin; Kang, Inhye.

IEEE Vehicular Technology Conference. 2006. p. 2241-2246 4109728.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kim, H, Lee, H, Shin, S & Kang, I 2006, On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics. in IEEE Vehicular Technology Conference., 4109728, pp. 2241-2246, 2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall, Montreal, QC, Canada, 06/9/25. https://doi.org/10.1109/VTCF.2006.463
Kim H, Lee H, Shin S, Kang I. On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics. In IEEE Vehicular Technology Conference. 2006. p. 2241-2246. 4109728 https://doi.org/10.1109/VTCF.2006.463
Kim, Hyogon ; Lee, Heejo ; Shin, Sangmin ; Kang, Inhye. / On the cross-layer impact of TCP ACK thinning on IEEE 802.11 wireless MAC dynamics. IEEE Vehicular Technology Conference. 2006. pp. 2241-2246
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