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2006
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A Pragmatic Protocol for Database Replication in Interconnected Clusters

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A Pragmatic Protocol for Database Replication in Interconnected Clusters
Multi-master update everywhere database replication, as achieved by protocols based on group communication such as DBSM and Postgres-R, addresses both performance and availability. By scaling it to wide area networks, one could save costly bandwidth and avoid large round-trips to a distant master server. Also, by ensuring that updates are safely stored at a remote site within transaction boundaries, disaster recovery is guaranteed. Unfortunately, scaling existing cluster based replication protocols is troublesome. In this paper we present a database replication protocol based on group communication that targets interconnected clusters. In contrast with previous proposals, it uses a separate multicast group for each cluster and thus does not impose any additional requirements on group communication, easing implementation and deployment in a real setting. Nonetheless, the protocol ensures one-copy equivalence while allowing all sites to execute update transactions. Experimental evaluati...
J. Grov, L. Soares, Alfrânio Correia Jr., Jo
Added 12 Jun 2010
Updated 12 Jun 2010
Type Conference
Year 2006
Where PRDC
Authors J. Grov, L. Soares, Alfrânio Correia Jr., José Pereira, Rui Carlos Oliveira, Fernando Pedone
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