Dealing with failures. In the description of the reconciliation algorithm, we assumed no failures. Let us now study what happens if failures occur. We have already noticed the algorithm is symmetric, except for the rst part in which one of the sites behaves as the starter of the reconciliation process. This symmetry is also re ected in the behavior of sites upon failures.
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Sources: Independent Updates and Incremental Agreement in Replicated Databases, Independent Updates and Incremental Agreement in Replicated Databases