Broadcasting Messages in Fault-Tolerant Distributed Systems: The Benefit of Handling Input-Triggered and Output-Triggered Suspicions Differently

  • Authors:
  • Bernadette Charron-Bost;Xavier Défago;André Schiper

  • Affiliations:
  • -;-;-

  • Venue:
  • SRDS '02 Proceedings of the 21st IEEE Symposium on Reliable Distributed Systems
  • Year:
  • 2002

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Abstract

This paper investigates the two main and seemingly antagonistic approaches to broadcasting reliably messages in fault-tolerant distributed systems: the approach based on Reliable Broadcast, and the one based on View Synchronous Communication (or VSC for short). While VSC does more than Reliable Broadcast, this has a cost. We show that this cost can be reduced by exploiting the difference between input-triggered and output-triggered suspicions, and by replacing the standard VSC broadcast primitive by two broadcast primitives, one sensitive to input-triggered suspicions, and the other sensitive to output-triggered suspicions.