Re: Speaking of NTP...

2015-07-16 Thread Rafael Possamai
Depending on how exactly you have these servers configured with relation to one another, small variations from one single source can be augmented down the line. https://en.wikipedia.org/wiki/Propagation_of_uncertainty On Mon, Jul 13, 2015 at 8:17 AM, Matthew Huff mh...@ox.com wrote: We have

Re: Speaking of NTP...

2015-07-16 Thread Matthew Huff
@nanog.org] On Behalf Of Rafael Possamai Sent: Thursday, July 16, 2015 8:53 AM To: Matthew Huff Cc: nanog@nanog.org Subject: Re: Speaking of NTP... Depending on how exactly you have these servers configured with relation to one another, small variations from one single source can

RE: Speaking of NTP...

2015-07-16 Thread Tony Hain
: Thursday, July 16, 2015 8:53 AM To: Matthew Huff Cc: nanog@nanog.org Subject: Re: Speaking of NTP... Depending on how exactly you have these servers configured with relation to one another, small variations from one single source can be augmented down the line. https://en.wikipedia.org/wiki

Speaking of NTP...

2015-07-13 Thread Matthew Huff
We have 5 NTP server: 2 x stratum 1 rubidium oscillator time servers with GPS sync, and 3 servers running NTP 4.2.6p5-3 synced to external internet based NTP stratum 1 servers. We monitor our NTP environment closely, and over the last 10+ years, normally all of our NTP servers are sync'ed

Re: Speaking of NTP...

2015-07-13 Thread Stephane Bortzmeyer
On Mon, Jul 13, 2015 at 01:17:01PM +, Matthew Huff mh...@ox.com wrote a message of 14 lines which said: We have 5 NTP server: 2 x stratum 1 rubidium oscillator time servers with GPS sync, and 3 servers running NTP 4.2.6p5-3 synced to external internet based NTP stratum 1 servers. We