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

Hyogon Kim; Heejo Lee; Sangmin Shin; Inhye Kang

doi:10.1109/VTCF.2006.463

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 proceeding › Conference 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 language	English
Title of host publication	2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall
Pages	2241-2246
Number of pages	6
DOIs	https://doi.org/10.1109/VTCF.2006.463
Publication status	Published - 2006
Event	2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall - Montreal, QC, Canada Duration: 2006 Sept 25 → 2006 Sept 28

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall
Country/Territory	Canada
City	Montreal, QC
Period	06/9/25 → 06/9/28

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

Access to Document

10.1109/VTCF.2006.463

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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 2006 IEEE 64th Vehicular Technology Conference, VTC-2006 Fall., 4109728, IEEE Vehicular Technology Conference, 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

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

Abstract

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