Zab: High-performance broadcast for primary-backup systems

@article{Junqueira2011ZabHB,
  title={Zab: High-performance broadcast for primary-backup systems},
  author={Flavio Paiva Junqueira and Benjamin C. Reed and Marco Serafini},
  journal={2011 IEEE/IFIP 41st International Conference on Dependable Systems & Networks (DSN)},
  year={2011},
  pages={245-256}
}
Zab is a crash-recovery atomic broadcast algorithm we designed for the ZooKeeper coordination service. ZooKeeper implements a primary-backup scheme in which a primary process executes clients operations and uses Zab to propagate the corresponding incremental state changes to backup processes1. Due the dependence of an incremental state change on the… CONTINUE READING

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