Quorum-based dynamic regular registers in systems with churn

  • Authors:
  • Andreas Klappenecker;Hyunyoung Lee;Jennifer L. Welch

  • Affiliations:
  • Texas A&M University;Texas A&M University;Texas A&M University

  • Venue:
  • Proceedings of the 3rd International Workshop on Theoretical Aspects of Dynamic Distributed Systems
  • Year:
  • 2011

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Abstract

We consider a quorum-based implementation of the dynamic regular register system, in which the set of servers that implement the shared register is prone to churn, i.e., the register servers join and leave the register system at will. Thus, the number of servers can change dynamically and accordingly, the quorum size changes over time. We give algorithms that implement join, leave, read and write operations that preserve the quorum intersection property despite the server churn. Furthermore, we give a probabilistic analysis of the churn behavior of the dynamic register system.