In a recent note, Curt Thompson said: > Date: Wed, 5 Apr 2006 09:40:27 -0500 > > companies are building-out locations that are further apart in distances, > the latency may prove unacceptable. An example where this may be important > is during troubleshooting, where review of logs, etc maybe necessary. If > timestamps aren't tightly-coupled, it becomes more difficult to piece > together the picture that led up to an issue. > But remember the Special Theory of Relativity: If no two systems are out-of-sync by more than the speed-of-light delay between them, there can be no problem to "piece together" the picture in the logs, because no event on either system can have any effect on the other in less time than that. The very latency that affects syncronizing the clocks equally affects the phenomena you're studying, thus alleviating the ambiguity.
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