On the Impact of Fast Failure Detectors on Real-Time Fault-Tolerant Systems

  • Authors:
  • Marcos Kawazoe Aguilera;Gérard Le Lann;Sam Toueg

  • Affiliations:
  • -;-;-

  • Venue:
  • DISC '02 Proceedings of the 16th International Conference on Distributed Computing
  • Year:
  • 2002

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Abstract

We investigate whether fast failure detectors can be useful--and if so by how much--in the design of real-time fault-tolerant systems. Specifically, we show how fast failure detectors can speed up consensus and fault-tolerant broadcasts, by providing fast algorithms and deriving some matching lower bounds, for synchronous systems with crashes. These results show that a fast failure detector service (implemented using specialized hardware or expedited message delivery) can be an important tool in the design of real-time mission-critical systems.