Fault Tolerance for Outputs and Clients
Learn how to generate outputs with fault tolerance from state machine replicas and protect them from faulty clients.
We have already discussed how to make a group of state machines tolerant to faults. However, the output of the state machines goes to the output devices read by the voter devices. The output and voter devices can also fail. In this lesson, we will discuss how to deal with such failures.
Fault-tolerant outputs
If we use a single output device for an ensemble of replicas, the resulting system would not be
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