Optimal Availability Quorum Systems: Theory and Practice

  title={Optimal Availability Quorum Systems: Theory and Practice},
  author={Yair Amir and Avishai Wool},
  journal={Inf. Process. Lett.},
Quorum systems serve as a basic tool providing a uniform and reliable way to achieve coordination in a distributed system. They are useful for distributed and replicated databases, name servers, mutual exclusion, and distributed access control and signatures. The un-availability of a quorum system is the probability of the event that no live quorum exists in the system. When such an event occurs the service is completely halted. The un-availability is widely accepted as the measure by which… CONTINUE READING
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