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International Conference on Testbeds and Research Infrastructures

TridentCom 2012: Testbeds and Research Infrastructure. Development of Networks and Communities pp 162–177Cite as

DNEmu: Design and Implementation of Distributed Network Emulation for Smooth Experimentation Control

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Abstract

Conducting a realistic network experiment involving globally distributed physical nodes under heterogeneous environment introduces a requirement of experimentation control between the real world network and emulated/simulated networks. However, there is a gap between them to deploy network experiments. In this paper, we propose the Distributed Network Emulator (DNEmu) to fill the gap for the requirements of a planetary-scale network experiment. DNEmu addresses the issue of real-time execution with message synchronization through distributed processes, and enables us to evaluate protocols with actual background traffic using a fully controlled distributed environment. Through evaluation with micro-benchmarks, we find that our DNEmu prototype implementation is similar in terms of packet delivery delay and throughput to the existing non-virtualized environment. We also present a use-case of our proposed architecture for a large distributed virtual machine service in a simple control scenario involving actual background traffic on the global Internet. DNEmu will contribute to research in protocol evaluation and operation in a huge network experiment without interfering with the existing infrastructure.

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Author information

Authors and Affiliations

  1. National Institute of Information and Communications Technology (NICT), Japan

    Hajime Tazaki

  2. Keio University, Japan

    Hitoshi Asaeda

Authors
  1. Hajime Tazaki
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  2. Hitoshi Asaeda
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Editor information

Editors and Affiliations

  1. Polytechnic Institute of New York University, 11201, Brooklyn, NY, USA

    Thanasis Korakis

  2. University of Massachusetts, 01003, Amherst, MA, USA

    Michael Zink

  3. NICTA Australia, 2015, St Eveleigh, NSW, Australia

    Maximilian Ott

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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering

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Tazaki, H., Asaeda, H. (2012). DNEmu: Design and Implementation of Distributed Network Emulation for Smooth Experimentation Control. In: Korakis, T., Zink, M., Ott, M. (eds) Testbeds and Research Infrastructure. Development of Networks and Communities. TridentCom 2012. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 44. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35576-9_16

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  • DOI: https://doi.org/10.1007/978-3-642-35576-9_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-35575-2

  • Online ISBN: 978-3-642-35576-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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