Cheat-Proof Trust Model for Cloud Computing Markets

  • Mario Macías
  • Jordi Guitart
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7714)

Abstract

Online Reputation Systems would help mitigate the information asymmetry between clients and providers in Cloud Computing Markets. However, those systems raise two main drawbacks: the disagreement for assuming the cost of ownership of such services and their vulnerability to reputation attacks from dishonest parties that want to increase their reputation. This paper faces both problems by describing a decentralized model that would not need from the intervention of a central entity for managing it. This model includes mechanisms for allowing participants to avoid such dishonest behaviour from other peers: each client statistically analyses the external reports about providers and accordingly weights them in the overall trust calculation. The validity of the model is demonstrated through experiments for several use cases.

Keywords

Trust reputation cloud computing dishonest behaviour 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Mario Macías
    • 1
  • Jordi Guitart
    • 1
  1. 1.Barcelona Supercomputing Center (BSC) and, Universitat Politecnica de Catalunya - Barcelona Tech (UPC)BarcelonaSpain

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