> The client that failed cannot detect that it failed, because the other > delta looks exactly the same. Thus, in the end "Hello" will be inserted only > once.
Bingo! It's clearly a broken approach. Perhaps that's why its not talked about in Google's OT whitepaper? > but I see no solution for this when relying on delta comparisons. Yep, there is no correct solution using this approach. > I agree that this is an academic corner case, Egad! This is not an "academic corner case". That's like calling deadlock detection and transaction rollback an academic corner case for a RDBMS. It is so important that the OT functions be proven to be correct in order to build the simplest OT system that can be relied upon. Reliability is more than a mere academic concern. Cheers, Dan
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