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Design of a Configurable Wireless Network Testbed with Live Traffic
Citation key MSS-DCWNTWLT-10
Author Merz, Ruben and Schiöberg, Harald and Sengul, Cigdem
Title of Book Proceedings of 6th International Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities (TridentCom '10)
Pages 189–198
Year 2010
ISBN 978-3-642-17850-4
Online ISBN 978-3-642-17851-1
ISSN 1867-8211
Online ISSN 1867-822X
DOI http://dx.doi.org/10.1007/978-3-642-17851-1_15
Location Berlin, Germany
Address Berlin / Heidelberg / New York
Volume 46
Month May
Editor Magedanz, Thomas and Gavras, Anastasius and Thanh, Nguyen Huu and Chase, Jeffry S.
Publisher Springer
Series Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST)
Organization Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
Abstract Testbeds have become standard tools for performance evaluation in wireless networks as they allow for evaluation with realistic wireless propagation and interference conditions, hardware constraints and timing requirements. However, in most testbeds, traffic and user mobility is generated by either using synthetic load generation tools, or replaying traffic traces. Evaluations using live traffic generated by real users, possibly moving around the network, are typically not possible. This is the main motivation of our research: building a wireless research testbed that enables experimentation with live traffic. In this paper, we present the design and architecture of a campus-wide wireless network testbed towards this goal. Our testbed enables both transparent Internet access and seamless mobility to the network users, and supports full network reconfigurations in the presence of live traffic. The reliability of user traffic is guaranteed by failure avoidance mechanisms that are invoked whenever a disruption occurs in the network.
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