> A company i worked for wanted systems to have no more than 2ns of time drift between each other, in a network of +10 devices. At that point it's surprising t

> A company i worked for wanted systems to have no more than 2ns of time drift between each other, in a network of +10 devices. At that point it's surprising they didn't just deploy a local "time network", with a single master clock distributing time via length-calibrated coax. Approaches like that are really common in television studios.