Bolt-on Causal Consistency

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Provided by: Association for Computing Machinery
Topic: Big Data
Format: PDF
The authors consider the problem of separating consistency-related safety properties from availability and durability in distributed data stores via the application of a \"Bolt-on\" shim layer that upgrades the safety of an underlying general-purpose data store. This shim provides the same consistency guarantees atop a wide range of widely deployed but often inflexible stores. As causal consistency is one of the strongest consistency models that remain available during system partitions, they develop a shim layer that upgrades eventually consistent stores to provide convergent causal consistency.
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