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Optimistic Replication and Resolution

Marc Shapiro 1
1 Regal - Large-Scale Distributed Systems and Applications
LIP6 - Laboratoire d'Informatique de Paris 6, Inria Paris-Rocquencourt
Abstract : Data replication places physical copies of a shared logical item onto different sites. Optimistic replication (OR) allows a program at some site to read or update the local replica at any time. An update is tentative because it may conflict with a remote update. Such conflicts are resolved after the fact, in the background. Replicas may diverge occasionally but are expected to converge eventually.
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Marc Shapiro. Optimistic Replication and Resolution. Özsu, M. Tamer; Liu, Ling. Encyclopedia of Database Systems, Springer-Verlag, pp.1995--1995, 2009, ⟨10.1007/978-0-387-39940-9_258⟩. ⟨hal-01248202⟩

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