Dynamic voting algorithms for maintaining the consistency of a replicated database
ACM Transactions on Database Systems (TODS)
Voting class — an approach to achieving high availability for replicated data
DPDS '90 Proceedings of the second international symposium on Databases in parallel and distributed systems
A Hybrid Replica Control Algorithm Combining Static and Dynamic Voting
IEEE Transactions on Knowledge and Data Engineering
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In a replicated database, a data item may have copies residing on several sites. A replica control protocol is necessary to ensure that data items with several copies behave as if they consist of a single copy, as far as users can tell. We describe a new replica control protocol that allows the accessing of data in spite of site failures and network partitioning. This protocol provides the database designer with a large degree of flexibility in deciding the degree of data availability, as well as the cost of accessing data.