Fault Tolerance in Three-Tier Applications: Focusing on the Database Tier

  • Authors:
  • Alexey Vaysburd

  • Affiliations:
  • -

  • Venue:
  • SRDS '99 Proceedings of the 18th IEEE Symposium on Reliable Distributed Systems
  • Year:
  • 1999

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Abstract

The paper discusses the issues involved in providing an integrated fault-tolerance solution to enterprise applications with distributed three-tier architecture. We examine end-to-end fault-tolerance requirements for interactions between the tiers and describe available solutions. We do a detailed assessment of fault-tolerance technologies available for the database tier, which poses most challenging reliability and high-availability problems. In particular, we discuss and compare the tradeoffs made in commercial database systems between different aspects of fault-tolerance.