Safety of a client-based version vector consistency protocol of session guarantees

  • Authors:
  • Jerzy Brzeziński;Cezary Sobaniec;Dariusz Wawrzyniak

  • Affiliations:
  • Institute of Computing Science, Poznań University of Technology, Poland;Institute of Computing Science, Poznań University of Technology, Poland;Institute of Computing Science, Poznań University of Technology, Poland

  • Venue:
  • ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part V
  • Year:
  • 2006

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Abstract

Session guarantees are used to manage consistency of replicas in distributed systems with mobile clients. This paper presents and formally proves safety of a novel consistency protocol of session guarantees using client-based version vectors. Client-based version vectors represent sets of writes resulting from definitions of session guarantees more accurately, which results in a protocol performing better then the standard protocol using server-based version vectors.