The point was to say, if you are in a DC environment and have ~1ms access to a Stratum 1 NTP server, then you can use that, if you are on DSL/DOCSIS etc, then i

The point was to say, if you are in a DC environment and have ~1ms access to a Stratum 1 NTP server, then you can use that, if you are on DSL/DOCSIS etc, then it's likely required to use GNSS/PPS sources