The Horus and Ensemble Projects: Accomplishments and Limitations

  • Authors:
  • Kenneth P. Birman;Robert Constable;Mark Hayden;Jason Hickey;Christoph Kreitz;Robbert Van Renesse;Ohad Rodeh;Werner Vogels

  • Affiliations:
  • -;-;-;-;-;-;-;-

  • Venue:
  • The Horus and Ensemble Projects: Accomplishments and Limitations
  • Year:
  • 1999

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Abstract

The Horus and Ensemble efforts culminated a multi-year Cornell research program in process group communication used for fault-tolerance, security and adaptation. Our intent was to understand the degree to which a single system could offer flexibility and yet maintain high performance, to explore the integration of fault-tolerance with security and real-time mechanisms, and to increase trustworthiness of our solutions by applying formal methods. Here, we summarize the accomplishments of the effort and evaluate the successes and failures of the approach.