Subject: Re: Clock synchronization with ISDN
To: Martin Husemann <>
From: Perry E. Metzger <>
List: tech-kern
Date: 02/17/1997 12:25:58
Martin Husemann writes:
> The (classical) question is: should I hand out the timestamps as a seperate
> device, run the standard nntp deamon to use them, which in turn calls the
> appropriate kernel functions to adjust the time?
> Or should I shortcut this and adjust the time right inside the
> kernel, without any device and userland daemon?

I wouldn't bother. Line latency distribution is probably high enough
to negate any advantage you would gain. What *will* help is the kernel
PLL stuff, since it will keep the clock better disciplined between