Two-phase commit is actually very different, because it assumes the coordinator never fails permanently. In 2PC, the coordinator's storage is always the authori

Two-phase commit is actually very different, because it assumes the coordinator never fails permanently. In 2PC, the coordinator's storage is always the authoritative decision-maker on whether the system is committing or aborting. If the coordinator goes down, all you have to do is wait for it to come back.