Authors: Apostolos Apostolaras, Dimitris Syrivelis, Thanasis Korakis  and Leandros Tassiulas

Conference: Future Network & Mobile Summit, Florence, Italy, June 2010

The building of functional wireless networking system prototypes and the deployment of the respective large scale experiments have become a standard research practice. To that end, wireless testbed support has a significant role: to provide users with an efficient environment that will simplify development and evaluation of observed results. Contrary to wired network media testbeds, wireless deployments face very important challenges, that derive from the unpredicted behaviour of the wireless connectivity which can affect seriously experimental results. In this paper we describe our approach towards the dissemination of wireless bandwidth on our non-RF isolated testbed. Our system is composed of two basic subsystems: i) An existing OSI layer 2 protocol that assesses Topology and Link Quality and ii) A scheduling service that performs fine-grained distribution of wireless bandwidth and prevents user experiments from interfering with each other.

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