Mobile Wide Area Wireless Fault-Tolerance
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This paper presents work-in-progress that is developing a novel faulttolerant mechanism for use in mobile wide area wireless networks. As a developmental platform, we are using the Ricochet service which offers ubiquitous metropolitan scale wireless network coverage in several major US cities.We postulate that the majority of network failures in infrastructures such as Ricochet are caused by environmental factors. From this, we propose a GPS based mechanism that intelligently gathers semantic data pertaining to specific geographic areas (or trouble spots) which cause communication problems. To facilitate the categorisation of trouble spots, we propose a list of suitable metrics to analyse the status of a wireless connection. Finally, we experimentally evaluate their effectiveness.
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