Erasure Code Replication Revisited

  • Authors:
  • W. K. Lin;D. M. Chiu;Y. B. Lee

  • Affiliations:
  • Chinese University of Hong Kong;Chinese University of Hong Kong;Chinese University of Hong Kong

  • Venue:
  • P2P '04 Proceedings of the Fourth International Conference on Peer-to-Peer Computing
  • Year:
  • 2004

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Abstract

Erasure coding is a technique for achieving high availability and reliability in storage and communication systems. In this paper, we revisit the analysis of erasure code replication and point out some situations when whole-file replication is preferred. The switchover point (from preferring whole-file replication to erasure code replication) is studied, and characterized using asymptotic analysis. We also discuss the additional considerations in building erasure code replication systems.