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Building Read/Write Registers Despite Asynchrony and Less than Half of Processes Crash (t < n/2)

  • Michel Raynal
Chapter

Abstract

This chapter is on the construction of multi-writer multi-reader registers in asynchronous messagepassing systems prone to the crash of a minority of processes (system model CAMPn,t[t < n/2]). It first considers atomic registers for which it adopts an incremental presentation, with three constructions, each one extending the previous one. The first one builds a single-writer multi-reader (SWMR) regular register, which is extended by the second construction to obtain a single-writer multi-reader (SWMR) atomic register. The third one consists in a simple extension of the second one to obtain a multi-writer multi-reader (MWMR) atomic register. The chapter then addresses the construction of sequentially consistent registers.

Keywords

Acknowledgment Asynchronous system Atomic register Client Composability Majority Process crash failure Read must write Read/write register Regular register Sequentially consistent register Server Two-phase algorithm 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Michel Raynal
    • 1
  1. 1.IRISA-ISTIC Université de Rennes 1Institut Universitaire de FranceRennesFrance

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