Architecting Citywide Ubiquitous Wi-Fi Access

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• Nishanth Sastry (University of Cambridge)
• Tuesday 02 December 2008, 16:45-17:15
• Boys Smith Room, Fisher Building, St John's College.

If you have a question about this talk, please contact Carl Scheffler.

Cities around the world are currently considering building infrastructure for Wi-Fi. In urban areas, resident-operated Wi-Fi access points (APs) are dense enough to achieve ubiquitous Internet access, provided we can induce the hosts to provide guest Wi-Fi access. However, sharing Wi-Fi involves taking on responsibility for the guest’s actions. Our main contribution is a novel mechanism to handoff this responsibility to a trusted point by tunneling the guest’s packets through it. Using this as a primitive, we show how to architect a citywide co-operative for safely sharing Wi-Fi with legitimate guests. We offer this as an economically viable alternative to investing millions in new infrastructure.

This talk is part of the SBR Graduate Talks series.

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• Boys Smith Room, Fisher Building, St John's College
• SBR Graduate Talks

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