Re: [ntp:questions] How is the BIG guys (Google. FB etc) DNS and NTP architecture

2020-10-20 Thread William Unruh
On 2020-10-21, CRasch Net wrote: > Facebook is now using Chrony, you can read about their implementation: > > Building a more accurate time service at Facebook scale > https://engineering.fb.com/production-engineering/ntp-service/ Interesting. While I agree that chrony is more precise, I think

Re: [ntp:questions] Realistic Performance Expectation for GPS PPS fed ntpd jitter

2020-10-20 Thread Miroslav Lichvar
On Mon, Oct 19, 2020 at 12:43:47PM +0200, Vitezslav Samel wrote: > On Mon, Oct 19, 2020 at 09:49:36AM +0200, Miroslav Lichvar wrote: > > Not an FPGA, but the Intel I210 costs about $50 and it has a nice > > hardware clock with PPS input/output, which is well supported in > > Linux. It's a NIC, so