We have a few s600’s deployed as well, rock solid and van handle 10k+ queries a second.
ns Sent from my iPhone On Dec 30, 2018, at 11:22 AM, Matthew Huff <[email protected]<mailto:[email protected]>> wrote: We use an older model of https://www.microsemi.com/product-directory/enterprise-network-time-servers/4117-syncserver-s600 with rubidium oscillator. Not cheap, but hardened and extremely accurate. ---- Matthew Huff | 1 Manhattanville Rd Director of Operations | Purchase, NY 10577 OTA Management LLC | Phone: 914-460-4039 From: Shawn L [mailto:[email protected]] Sent: Sunday, December 30, 2018 9:40 AM To: [email protected]<mailto:[email protected]> Cc: Matthew Huff <[email protected]<mailto:[email protected]>>; [email protected]<mailto:[email protected]> Subject: Re: CenturyLink Speaking of GPS-enabled NTP appliances, etc. wondering what hardware people are using for this. thanks -----Original Message----- From: "Raymond Burkholder" <[email protected]<mailto:[email protected]>> Sent: Saturday, December 29, 2018 12:01pm To: "Matthew Huff" <[email protected]<mailto:[email protected]>>, "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>>, "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: Re: CenturyLink On 2018-12-29 7:51 a.m., Matthew Huff wrote: > We have two stratum-1 servers synced with GPS and a PTP feed from a provider > that also provides PTP to market data systems, but we still have to monitor > drift between system time and NIST time. Don't ask for the logic behind it, > it's a regulation, not a technical requirement. > On one occasion, due to bad firmware or a configuration issue, I have seen GPS stratum 1 diverge from NTP. It was somewhat eye brow raising to the company. My NTP monitored servers were shown to be diverging their GPS/NTP, but after looking at twice or thrice, it was the other way around.
