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Concurrent Systems/notes/9 - Consensus.md
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@ -155,7 +155,8 @@ Every $p_{j}$ that participates in the k-th consensus increases `last_sn_j[i]` b
- everything works because of determinism!
REMARK: bounded wait freedom does not hold:
...
- if the background process suspends for a long time, when it wakes up it has an unbounded number of agreed lists to locally execute
- this may arbitrarily delay an operation issued before the sleep
### Solution for non-deterministic specifications
If the specifications of Z’s operations are non-deterministic, then 𝛿 does not return one single possible pair after one invocation, but a set of possible choices.