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Distributed energy efficiency in future home environments

  • Helmut Hlavacs
  • Roman Weidlich
  • Karin A. Hummel
  • Amine M. Houyou
  • Andreas Berl
  • Hermann de Meer
Article

Abstract

In this paper, a new architecture for sharing resources among home environments is proposed. Our approach goes far beyond traditional systems for distributed virtualization, like PlanetLab or grid computing, as it relies on complete decentralization in a peer-to-peer (P2P) like manner and, above all, aims at energy efficiency. Energy metrics are defined, which have to be optimized by the system. The system itself uses virtualization to transparently move tasks from one home to another to optimally utilize the existing computing power. We present an overview of our proposed architecture, consisting of a middleware interconnecting computers and routers in possibly millions of homes using P2P techniques. For demonstrating the potential energy saving of distributed applications, we present an analytical model for sharing downloads, which is verified by discrete event simulation. The model represents an optimistic case without P2P overhead and fairness. The model allows to assess the upper limit of the saving potential. An enhanced version of the simulation model also shows the effect of fairness. The fairer the system gets, the less efficient it is.

Keywords

Energy efficiency Home networks Peer-to-peer Modeling Simulation 

Notes

Acknowledgements

This project was partly funded by the German Research Foundation (Deutsche Forschungsgemeinschaft—DFG), contract number ME 1703/4–2 and by the EURO-FGI/Euro-NF—Network of Excellence, European Commission grant 028022/216366.

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Copyright information

© Institut TELECOM and Springer-Verlag France 2008

Authors and Affiliations

  • Helmut Hlavacs
    • 1
  • Roman Weidlich
    • 1
  • Karin A. Hummel
    • 1
  • Amine M. Houyou
    • 2
  • Andreas Berl
    • 2
  • Hermann de Meer
    • 2
  1. 1.Department of Distributed and Multimedia SystemsUniversity of ViennaViennaAustria
  2. 2.Faculty of Computer Science and MathematicsUniversity of PassauPassauGermany

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