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Network Emulation on Globus-Based Grids: Mechanisms and Challenges

  • R. Canonico
  • P. Di Gennaro
  • V. Manetti
  • G. Ventre
Part of the Signals and Communication Technology book series (SCT)

Abstract

In the last few years, many emulation systems have been developed to help researchers evaluate the effectiveness of new protocols and applications in realistic network scenarios. NEPTUNE (Network Emulation for Protocol TUNing and Evaluation) is a flexible and scalable system developed at University of Napoli for the emulation of different network scenarios by means of a cluster of workstations. Setting up an emulation experiment in a cluster-based system requires, first, the ability to map virtual resources requested by an experimenter onto available physical resources and, second, the ability to exert a precise control over the allocated physical resources. These two requirements have much in common with resource management issues already addressed by the Grid computing community. Hence, we decided to exploit the virtual workspace concept at the foundation of the design of the NEPTUNE architecture. In this chapter, we illustrate the peculiar virtualization requirements of a cluster-based emulation system and discuss how a Globus Virtual Workspace based on Xen virtual machines can be used as the basis for implementing a distributed network emulation system.

Keywords

Virtual Machine Virtual Network Execution Environment Virtual Topology Virtual Machine Monitor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • R. Canonico
    • 1
    • 2
  • P. Di Gennaro
    • 1
  • V. Manetti
    • 1
  • G. Ventre
    • 1
    • 2
  1. 1.Dipartimento di Informatica e SistemisticaUniversità di Napoli Federico II80125 NapoliItaly
  2. 2.CINI - Consorzio Interuniversitario Nazionale per l’InformaticaLaboratorio Nazionale per l’Informatica e la Telematica Multimediali ITEM ”Carlo Savy”80126 >NapoliItaly

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