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Database Replication Protocols

Database Replication Protocols

Francesc D. Muñoz-Escoí, Luis Irún-Briz, Hendrik Decker
Copyright: © 2005 |Pages: 5
ISBN13: 9781591405603|ISBN10: 1591405602|EISBN13: 9781591407959
DOI: 10.4018/978-1-59140-560-3.ch026
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MLA

Muñoz-Escoí, Francesc D., et al. "Database Replication Protocols." Encyclopedia of Database Technologies and Applications, edited by Laura C. Rivero, et al., IGI Global, 2005, pp. 153-157. https://doi.org/10.4018/978-1-59140-560-3.ch026

APA

Muñoz-Escoí, F. D., Irún-Briz, L., & Decker, H. (2005). Database Replication Protocols. In L. Rivero, J. Doorn, & V. Ferraggine (Eds.), Encyclopedia of Database Technologies and Applications (pp. 153-157). IGI Global. https://doi.org/10.4018/978-1-59140-560-3.ch026

Chicago

Muñoz-Escoí, Francesc D., Luis Irún-Briz, and Hendrik Decker. "Database Replication Protocols." In Encyclopedia of Database Technologies and Applications, edited by Laura C. Rivero, Jorge Horacio Doorn, and Viviana E. Ferraggine, 153-157. Hershey, PA: IGI Global, 2005. https://doi.org/10.4018/978-1-59140-560-3.ch026

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Abstract

Databases are replicated in order to obtain two complementary features: performance improvement and high availability. Performance can be improved when a database is replicated since each replica can serve read-only accesses without requiring any coordination with the rest of replicas. Thus, when most of the application accesses to the data are read-only, they can be served locally without preventing other processes to access the same or other replicas. Moreover, a careful coordination management can ensure that the failure of one or more replicas does not compromise the availability of the database as long as at least one of the replicas is alive.

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