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When using replication as a technique for achieving high performance and scalability, optimistic replication is the natural choice. But optimistic replication introduces uncertainty that may lead to confusion in the clients. For example consecutive requests from the same client may be processed out of order, or the answer from a query might be too old to be useful to the client, or an operation may...
Replication is a technique widely used in parallel and distributed systems to provide qualities such as performance, scalability, reliability and availability to their clients. These qualities comprise the non-functional requirements of the system. But the functional requirement consistency may also get affected as a side-effect of replication. Different replica control protocols provide different...
Replication is a technique widely used for achieving qualities like scalability, high performance, high availability and fault tolerance in computer systems. Consistency of the system state is another quality that may also vary as a side effect of replication. There are various configurations of replication architecture and of replica control protocols that provide various levels of these system qualities...
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