Optimistic Replication for Internet Data Services

  • Authors:
  • Yasushi Saito;Henry M. Levy

  • Affiliations:
  • -;-

  • Venue:
  • DISC '00 Proceedings of the 14th International Conference on Distributed Computing
  • Year:
  • 2000

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Abstract

We present a new replication algorithm that supports replication of a large number of objects on a diverse set of nodes. The Agoritinn allows replica sets to be changed dynamically on a per-objetct basis. It tolerates most types of failures, including multiple node failures, network partitions, and sudden node retirements. These advantages make the algorithm particularly attractive in large cluster-based data services that experience frequent failures and configuration changes. We prove the correctness of the algorithm and show that its performance is near-optimal.