network time server

[Christoph Harder]

Hello,

okay, so I asked for a quote for the dedicated timeservers. Let's just say they are not within the budget I would spend right now.
But there are also cheaper alternatives.

I will probably look into gpsd and an usb device.

Best regards,
Christoph


Am 02.05.2023 um 09:35 schrieb Christoph Harder:
> Hello Matt,
> 
> there are multiple options.
> Most of them have a USB-Interface and support either GPS (or other satellite systems) or some radio signal as time source.
> There are some PCI or PCI Express devices. I also found dedicated time servers, e.g. where a manufacturer provides a 1U case which has multiple time source options and antenna connections and serves the time (NTP) directly from the device.
> 
> The complete time server is probably the easiest, but I'm not sure how well supported those are. If the device doesn't receive updates and runs an acient version of some NTP server it might be a problem.
> I'm also not sure about the costs, the site I found does not list any prices so I would have to contact them for a quote.
> 
> Best regards,
> Christoph
> 
> 
> Am 02.05.2023 um 08:49 schrieb Matthew Dillon:
>> The last time I looked at time sources, they were basically serial
>> interfaces.  That was like 20 years ago though.   When I wrote dntpd I
>> explicitly wrote it as a client-only.  So any DFly support for being a time
>> server is going to be whatever support the open-source time daemons like
>> ntpd have and I don't think anyone here has used their non-network
>> time-sourcing features in ages.
>>
>> I would kinda expect that modern time sources would be little GPS gadgets
>> that vampire off the GPS timestamps and then have an ethernet interface or
>> something, but I don't know what is typical these days.  Is serial still a
>> thing?  I don't know.
>>
>> -Matt
>>
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