[ntp:questions] NTP roadmap (was Re: Poul-Henning Kamp and re-write of NTP)

skillzero at gmail.com skillzero at gmail.com
Tue Dec 9 04:51:50 UTC 2014

On Sunday, December 7, 2014 7:25:01 PM UTC-8, Harlan Stenn wrote:
> Rob writes:
> > David Woolley <david at ex.djwhome.demon.invalid> wrote:
> > > It starts off a bit badly by talking about the size of nptd, when, in 
> > > fact, very little of ntpd is actually involved in the core algorithm. 
> > > Most of it, I guess, is reference clock drivers, plus configuration and 
> > > monitoring code.
> > 
> > It has been discussed before that reference clock drivers should be
> > loadable modules or even separate processes.
> A complete rewrite of the full NTP software is slated for post-4.2.8.
> We're expecting (the names might be changed):
> - tsc - Time Sync Client: a leaf-client.  PHK is working on this.

Are there any plans to incorporate ideas from RADclock? The PLL that PHK mentions on his site implies a feedback model. I'm wondering if any thought has been given to a feed forward design (e.g. determine frequency based on raw ticks). Or was that model considered and rejected?

> - an S2+ implementation that *might* also include refclocks
>   and can be used on leaf nodes, much like the current ntpd.
> - an S1 implementation that *might* also include S2 support.
> For ongoing support of TSC and to implement the last two we're going to
> need more financial support than we are currently getting.  Several more
> volunteers (coders and sysadmin typs) would be great, too.
> I'm about to send out another post about donating to NTF - the short
> story is that if NTF can raise about $7,000 before the end of December
> we'll be able to qualify for an additional funding source for 2015.
> So that's 2 reasons for folks to join or donate to NTF before the
> EOYear.  Please help us get there...
> -- 
> Harlan Stenn <stenn at ntp.org>
> http://networktimefoundation.org - be a member!

More information about the questions mailing list