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TU Berlin

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Vinay Aggarwal's Publications

A Visualization-Driven Approach to Overlay-Underlay Engineering
Citation key AFGGW-VDAOUE-08
Author Aggarwal, Vinay and Feldmann, Anja and Görke, Robert and Gaertler, Marco and Wagner, Dorothea
Title of Book The European Integrated Project ''Dynamically Evolving, Large-scale Information Systems (DELIS)''
Pages 81–98
Year 2008
ISBN 978-3-939350-41-5
Address Paderborn, Germany
Volume 222
Month January
Editor Friedhelm Meyer auf der Heide
Publisher Fakultät für Elektrotechnik, Informatik und Mathematik, Universität Paderborn
Series HNI-Verlagsschriftenreihe
Edition First
Abstract Overlay applications are popular as they provide high-level functionality by masking the intrinsic complexity of the underlay network. However, overlays rely on the underlay to provide them with basic connectivity. Therefore, the intrinsic features of the underlay network determine the efficiency of the overlay. Accordingly, studying the interdependency of the overlay and underlay networks leads to a better understanding of overlay application behaviour. We present a visualization-driven analysis technique for evaluating the overlay architecture with respect to the underlay, inspired by the goal of overlay engineering. Using Gnutella as a case study, our analysis confirms that Gnutella topology differs from a randomly generated network and that there is an implicit correlation between the overlay and underlay topologies.
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