Making a More Accurate Clock in the Cloud

Victor Yodaiken, president, FSMLabs

In cloud environments, there is time synchronization, and then there is time synchronization for financial services. For a website-related demand, like a metrics collection engine, a clock can be half a second off and it's no big deal. That's 500,000 microseconds. On the other hand, a banking application that is an order of magnitude more accurate than that—50,000 microseconds, or 50 milliseconds—would still be considered grossly inaccurate and unacceptable.

At the same time, synchronizing time

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