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State machine replication (SMR) is a fundamental technique for implementing stateful dependable systems. A key limitation of this technique is that the performance of a service does not scale with the number of replicas hosting it. Some works have shown that such scalability can be achieved by partitioning the state of the service into shards. The few SMR-based systems that support dynamic partitioning...
State machine replication is a fundamental technique for implementing consistent fault-tolerant services. In the last years, several protocols have been proposed for improving the latency of this technique when the replicas are deployed in geographically-dispersed locations. In this work we evaluate some representative optimizations proposed in the literature by implementing them on an open-source...
The last fifteen years have seen an impressive amount of work on protocols for Byzantine fault-tolerant (BFT) state machine replication (SMR). However, there is still a need for practical and reliable software libraries implementing this technique. BFT-SMART is an open-source Java-based library implementing robust BFT state machine replication. Some of the key features of this library that distinguishes...
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