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Pocket Switched Networks and the Consequences of Human Mobility in Conference Environments
Citation key HCSGCD-PSNCHMCE-05
Author Hui, Pan and Chaintreau, Augustin and Scott, James and Gass, Richard and Crowcroft, Jon and Diot, Christophe
Title of Book Proceedings of the Workshop on Delay Tolerant Networks (WDTN '05)
Year 2005
ISBN 1-59593-026-4
DOI http://dx.doi.org/10.1145/1080139.1080142
Location Philadelphia, PA, USA
Address New York, NY, USA
Month August
Publisher ACM
Abstract Pocket Switched Networks (PSN) make use of both human mobility and local/global connectivity in order to transfer data between mobile users' devices. This falls under the Delay Tolerant Networking (DTN) space, focusing on the use of opportunistic networking. One key problem in PSN is in designing forwarding algorithms which cope with human mobility patterns. We present an experiment measuring forty-one humans' mobility at the Infocom 2005 conference. The results of this experiment are similar to our previous experiments in corporate and academic working environments, in exhibiting a power-law distribution for the time between node contacts. We then discuss the implications of these results on the design of forwarding algorithms for PSN.
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