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Network-Layer Assisted Mechanism to Optimize Authentication Delay during Handoff in 802.11 Networks

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5 Author(s)
Lopez, R.M. ; Toshiba America Res. Inc., Piscataway ; Dutta, A. ; Ohba, Y. ; Schulzrinne, Henning
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Secured and seamless mobility across heterogeneous access networks needs optimization at all layers. Authentication and security association at the link layer is one of the major components of delay during handoff. We propose a network- layer assisted proactive handoff scheme that helps to optimize the handoff process involving link-layer security across multiple subnets. We demonstrate this proactive scheme and analyze the results for IEEE 802.11-based networks for both roaming and non-roaming scenarios. We then compare these results with the pre-authentication techniques offered by IEEE 802.11i.

Published in:

Mobile and Ubiquitous Systems: Networking & Services, 2007. MobiQuitous 2007. Fourth Annual International Conference on

Date of Conference:

6-10 Aug. 2007