unruh <[email protected]> wrote: > ["Followup-To:" header set to comp.protocols.time.ntp.] > On 2010-02-12, Rob <[email protected]> wrote: >> Jonathan de Boyne Pollard <[email protected]> wrote: >>> >>>> >>>> >>>> We use our one of our data centers internal default gateway (Router). >>>> Everything feeds off of that. >>>> It had best work well. It was $100K +. >>>> >>> So what benefit is that $100K extra stratum gaining you? It has to be >>> more than just splitting the UDP/IP path to the lower stratum servers in >>> twain. But it's not reliability, because if your router goes down it >>> still takes your NTP server with it. So what is it? Do you perhaps >> >> The big advantage of such a setup is that all your systems will agree >> on the same time. Locally you have short roundtrip time variations so >> the polls of the local NTP server have small jitter and are not affected >> by the loading of the internet link. >> >> It is usually more important that all systems have the same time, than >> that this time is very accurate. > > But $100K? I can buy a linux box with 5GPS receivers for $1K. or but 5 > boxes each with its own GPS for $2K-- massive reduncancy.
The 100K probably bought him more than an NTP server. It is the default gateway for an entire data center. A Linux box will not replace that. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
