Re: [ntp:questions] Running NTP servers with different time offsets relative to some common "root" server?

2019-06-27 Thread Martin Burnicki
Hi Tobias, sorry for the late reply. Your email via the mailing list just arrived in my mailbox. Tobias Gierke wrote: > Hi everyone, > > I'm facing a NTP-relateded challenge at work and hope that somebody on > this list has maybe solved a similar problem already: > > - Our product is a system

Re: [ntp:questions] Time server question

2019-06-27 Thread Chris
On 06/25/19 19:35, William Unruh wrote: On 2019-06-25, Chris wrote: ... Thanks again for the replies. Did a bit of digging this morning and find that the 1pps sync stuff has been done before. Well, many years ago in fact and more or less how I had visualised it - ntp data augmented by the 1

Re: [ntp:questions] Time server question

2019-06-27 Thread Chris
On 06/21/19 15:48, Jakob Bohm wrote: On 21/06/2019 15:14, Thomas Laus wrote: On 2019-06-21, David Woolley wrote: On 21/06/2019 12:26, Thomas Laus wrote: Will either isolation solution have direct access to the computer CPU? The GPS clock will need the ability to directly adjust the frequency

Re: [ntp:questions] Time server question

2019-06-27 Thread Chris
On 06/25/19 10:52, David Taylor wrote: On 25/06/2019 01:33, Chris wrote: [] Thanks for all the replies. I guess the next thing to do is to build a working system, then evaluate to see how it can be improved. All the kit is in the same rack and with dedicated hardware interfaces, network latency

Re: [ntp:questions] Time server question

2019-06-27 Thread Chris
On 06/25/19 11:34, William Unruh wrote: On 2019-06-25, Chris wrote: On 06/21/19 15:48, Jakob Bohm wrote: On 21/06/2019 15:14, Thomas Laus wrote: On 2019-06-21, David Woolley wrote: On 21/06/2019 12:26, Thomas Laus wrote: Will either isolation solution have direct access to the computer

Re: [ntp:questions] Time server question

2019-06-27 Thread Jakob Bohm
On 21/06/2019 15:14, Thomas Laus wrote: On 2019-06-21, David Woolley wrote: On 21/06/2019 12:26, Thomas Laus wrote: Will either isolation solution have direct access to the computer CPU? The GPS clock will need the ability to directly adjust the frequency of the CPU to achieve expected

Re: [ntp:questions] Time server question

2019-06-27 Thread Thomas Laus
On 2019-06-21, David Woolley wrote: > On 21/06/2019 12:26, Thomas Laus wrote: >> Will either isolation solution have direct access to the computer >> CPU? The GPS clock will need the ability to directly adjust the >> frequency of the CPU to achieve expected results for a Stratum 1 >> serve > >

Re: [ntp:questions] Time server question

2019-06-27 Thread Thomas Laus
On 2019-06-20, Chris wrote: > Have a couple of surplus gps based ntp servers that have been > used for time sync in the lab for few years. They are on a UPS > with several hours backup and seems like a good idea to use > them to contribute to the ntp global network. > > Don't want to expose them

[ntp:questions] Running NTP servers with different time offsets relative to some common "root" server?

2019-06-27 Thread Tobias Gierke
Hi everyone, I'm facing a NTP-relateded challenge at work and hope that somebody on this list has maybe solved a similar problem already: - Our product is a system consisting of multiple components that may or may not run on the same host and all parts require time synchronization at all

[ntp:questions] Time server question

2019-06-27 Thread Chris
Have a couple of surplus gps based ntp servers that have been used for time sync in the lab for few years. They are on a UPS with several hours backup and seems like a good idea to use them to contribute to the ntp global network. Don't want to expose them directly to the net, so plan to