[cs63201] Exam Studying - check in

Mikhail Nesterenko mikhail at cs.kent.edu
Tue Dec 10 19:41:43 EST 2013


> Ok, understood. So in the HW problem that asks how two decisions can be
> reached for S-diamond, a decision is reached by one coordinator, but the
> message takes too long to reach everyone before another coordinator (who
> suspected the last?) proposes another estimate and decides?

There are several interpretations of this question (all were given
credit). But the idea was to illustrate the case when coordinator
arrives at a decision yet, one of the voting processes sends a
negative ack. In this case the voting moves to the next coordinator.

Thanks,
-- 
Mikhail


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