[time-nuts] Cloudflare

Michael Wouters michaeljwouters at gmail.com
Sat Jun 22 12:42:36 UTC 2019


>A cable run from your rack in the middle of the datacenter, through to the
>roof, is either impossible or thousands of dollars and weeks of planning.
I've done this 4 times now for GPS antennas connected to NTP servers.
I agree with the thousands of dollars (2K to 4K for cable runs of
around 50 m) but there wasn't really much planning to do. We simply
engaged a contractor and they did all the rest.

Cheers
Michael


On Sat, Jun 22, 2019 at 1:00 PM Sanjeev Gupta <ghane0 at gmail.com> wrote:
>
> Bob,
>
> The hardware is cheap.  The software is free.  The skills to deploy are
> widely available.  But...
>
> A cable run from your rack in the middle of the datacenter, through to the
> roof, is either impossible or thousands of dollars and weeks of planning.
>
> Data centers can run wires within the building for exorbitant costs, asking
> them to run one to the exterior is, well, impossible.
>
> --
> Sanjeev Gupta
> +65 98551208     http://www.linkedin.com/in/ghane
>
>
> On Sat, Jun 22, 2019 at 6:06 AM Bob kb8tq <kb8tq at n1k.org> wrote:
>
> > Hi
> >
> > Given the relatively low cost of a GPS based “Stratum 1” NTP, it’s not
> > real clear
> > why (at the end of the paper) they go off and “exchange emails
> > individually with the
> > organizations that run stratum 1 servers, as well as negotiate permission
> > to use them.”
> > to source the root time for the system. I would have thought that some
> > sort of combo
> > of on site and off site sources would be at the “top of the tree”.
> >
> > Bob
> >
> > > On Jun 21, 2019, at 2:20 PM, Marco Davids via time-nuts <
> > time-nuts at lists.febo.com> wrote:
> > >
> > > Opinions, anyone?
> > >
> > > https://blog.cloudflare.com/secure-time/amp/
> > >
> > > ("Introducing time.cloudflare.com")
> > >
> > > --
> > > Marco
> > >
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