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Re:Time Card and PTP on a Raspberry Pi Compute Module 4 by insaneirish on Friday September 03, 2021 @09:46AM (#28404170)
> If so, what's your use-case?

Certain regulations in the financial industry lead you towards using it.

For example, Europe's MiFID II requires some systems to time stamp with 1 µs increments and 100 µs accuracy. PTP is the most common way to sync systems that have this requirement.

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