4 ms·

I wonder if this can have applications where relativity can have tangible effects (see https://www.wikiwand.com/en/Light_cone https://www.wikiwand.com/en/Light_

• andreareina 6y ago
  Plenty of causes of clock skew without bringing relativity into it.
• jasonwatkinspdx 6y ago
  Relativity doesn't really come into it. Even at orbital altitudes, the difference due to dilation is miniscule. Places that need high quality time will use a local atomic clock disciplined by GPS, where GPS already factors in the dilation. This gives you very close to constant time across the earth's geoid. Variations due to temperature in your DC and many other factors will utterly swamp any time dilation differences in this context, and even without those the discipline would have no problem flattening it out.
• ulrikrasmussen 6y ago
  Not an expert, but I think the whole idea of vector clocks is to provide a logical clock which defines a partial rather than total order between the events, and where two events are related only if they must be due to e.g. data dependencies. This abstracts away the complexities of keeping clocks in sync or even dealing with relativistic issues, at the expense of being able to order fewer events.