DualTrust: a distributed trust model for swarm-based autonomic computing systems

  • Authors:
  • Wendy Maiden;Ioanna Dionysiou;Deborah Frincke;Glenn Fink;David E. Bakken

  • Affiliations:
  • Pacific Northwest National Laboratory, Richland, WA and School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA;School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA and Department of Computer Science, University of Nicosia, Nicosia, Cyprus;Pacific Northwest National Laboratory, Richland, WA and School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA;Pacific Northwest National Laboratory, Richland, WA;School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA

  • Venue:
  • DPM'10/SETOP'10 Proceedings of the 5th international Workshop on data privacy management, and 3rd international conference on Autonomous spontaneous security
  • Year:
  • 2010

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Abstract

For autonomic computing systems that utilize mobile agents and ant colony algorithms for their sensor layer, trust management is important for the acceptance of the mobile agent sensors and to protect the system from malicious behavior by insiders and entities that have penetrated network defenses. This paper examines the trust relationships, evidence, and decisions in a representative system and finds that by monitoring the trustworthiness of the autonomic managers rather than the swarming sensors, the trust management problem becomes much more scalable and still serves to protect the swarm. We propose the Dual-Trust conceptual trust model. By addressing the autonomic manager's bi-directional primary relationships in the ACS architecture, DualTrust is able to monitor the trustworthiness of the autonomic managers, protect the sensor swarm in a scalable manner, and provide global trust awareness for the orchestrating autonomic manager.