[ntp:questions] Sub-millisecond NTP synchronization for local network

Maarten Wiltink maarten at kittensandcats.net
Sat Dec 6 10:47:46 UTC 2008


"Unruh" <unruh-spam at physics.ubc.ca> wrote in message
news:43e_k.3033$si6.762 at edtnps83...

> [...] Getting 20microseconds over a local net is easy. On a local
> net, the delay should only be about 100microseconds, certainly not
> milliseconds. ...

I must be doing something horribly, horribly wrong then. Delay is
on the order of 1 millisecond (0.6-1.3) and offsets are currently
*very* good, all between -1 and 1 millisecond.

What should I be doing to get 20 us? Buy all new computers with
gigabit Ethernet?

Groetjes,
Maarten Wiltink





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