Experimental study of mismatching ESS-subnet handoffs on IP over IEEE 802.11 WLANs

Li-Hsing Yen*, Hung Hsin Chang, Shiao-Li Tsao, Chia Chi Hung, Chien-Chao Tseng

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

To support delay-sensitive applications on IP over wireless LAN (WLAN), both layer-2 handoff (L2H) and layer-3 handoff (L3H) must be conducted efficiently. Prior studies toward a fast L2H/L3H assume simple networking environments where Extended Service Set (ESS) exactly matches subnets. This paper identifies performance issues associated with inter-ESS L2Hs and L3Hs under mismatching ESS-subnet configurations, and analyzes actual performance impact on existing systems. Experimental results show that inter-ESS L2Hs are much time expensive than intra-ESS L2Hs while mismatching ESS-subnet settings lead to either time-consuming L3H detections or redundant L3H executions. We also discuss possible remedies for this problem.

Original languageEnglish
Title of host publication8th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN2011
DOIs
StatePublished - 11 Jul 2011
Event8th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN2011 - Paris, France
Duration: 24 May 201126 May 2011

Publication series

Name8th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN2011

Conference

Conference8th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN2011
CountryFrance
CityParis
Period24/05/1126/05/11

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