[ntp:questions] Re: NTP client for windows ce.net
Terje Mathisen
terje.mathisen at hda.hydro.com
Sat Nov 22 20:48:52 UTC 2003
Maarten Wiltink wrote:
> "Terje Mathisen" <terje.mathisen at hda.hydro.com> wrote in message
> news:bpodgk$smh$1 at osl016lin.hda.hydro.com...
> [...]
>
>>Getting < 1 ms on NT (any version) is kind of hard, given that the OS
>>clock gives you 10 ms resolution.
>
>
> People keep saying that, and my (admittedly quiet) NT4 servers keep
> synchronising to well under a microsecond.
"WELL under a MICROsecond"???
I've never even heard about any other OS than FreeBSD doing this, and
that only with a replacement motherboard crystal and a Motorola Oncore.
Please tell!
>
>>The current NTPD for NT code uses a huge hack, in the form of a realtime
>>thread which timestamps each timer tick, to be able to interpolate
>>between those OS time stamps.
>
>
> But it's a well-understood hack, and it works.
Sure, but would it be available on Win CE .Net, with a virtual machine
running either interpreted or with JIT compilation?
Terje
--
- <Terje.Mathisen at hda.hydro.com>
"almost all programming can be viewed as an exercise in caching"
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