Interesting account on the reimplementation of NTP (network time protocol, what is responsible for accurate time on all your devices)
2022-11-12: And now it’s time for PTP

Where NTP allows for precision within milliseconds, PTP allows for precision within nanoseconds. PTP has the potential to enable synchronization of GPUs across data centers, which could open up unprecedented scale in AI capabilities that is difficult to achieve today. This level of accuracy will help ensure synchronization of not only the computers on our networks today but also the advanced systems that will be on our networks in the future.

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