Test & Set, Adaptive Renaming and Set Agreement: a Guided Visit to Asynchronous Computability

  • Authors:
  • Eli GAFNI;Michel RAYNAL;Corentin TRAVERS

  • Affiliations:
  • UCLA, Los Angeles, CA;UCLA, Los Angeles, CA;UCLA, Los Angeles, CA

  • Venue:
  • SRDS '07 Proceedings of the 26th IEEE International Symposium on Reliable Distributed Systems
  • Year:
  • 2007

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Abstract

An important issue in fault-tolerant asynchronous computing is the respective power of an object type with respect to another object type. This question has received a lot of attention, mainly in the context of the consensus problem where a major advance has been the introduction of the consensus number notion that allows ranking the synchronization power of base object types (atomic registers, queues, test & set objects, compare & swap objects, etc.) with respect to the consensus problem. This has given rise to the well-known Herlihy's hierarchy.