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Analysis of Data Replication with Two Levels of Consistency

Lookup NU author(s): Emeritus Professor Isi Mitrani

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Abstract

A system employing data replication is structured as a two-level logical hierarchy. Replicas at level 0 maintain strong consistency, while those at level 1 may contain out-of-date information. Accesses which change the data have to be executed at level 0, and require an appropriate quorum of replicas. Read requests may be executed either at level 0 or at level 1, depending on whether the most recent information is required or not. A read quorum is necessary in the former case, but not in the latter. The performance and reliability characteristics of the system are evaluated by means of two models-one with reliable servers and one with random breakdowns and repairs.


Publication metadata

Author(s): Misra M, Mitrani I

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2nd IEEE International Performance and Dependability Symposium (IPDS)

Year of Conference: 1996

Pages: 230-239

Publisher: IEEE Computer Society Press

URL: http://dx.doi.org/10.1109/IPDS.1996.540224

DOI: 10.1109/IPDS.1996.540224

Library holdings: Search Newcastle University Library for this item

ISBN: 0818674849


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