Re: [ntp:questions] Leap Second on NTP server at stratum 2

2015-06-11 Thread Jochen Bern
On 06/11/2015 08:41 AM, Kashif Mumtaz Tahir wrote: Dear Jochen, You extracted description is right , we are at stratum 2 and just syncing its time with stratum 1 level GPS device. Litte bit confused with your conclusion. When leap second will happen on GPS what will the impact on our

[ntp:questions] userland shm pps, was Re: Discipline performance comparison of SHM(1) and Atom(PPS)

2015-06-11 Thread gnu not unix
Hello from California-- On Thu, 2015-06-11 at 14:18 +0200, f.hiesinger wrote: Hi Folks, I wonder, if a SHM(1) disciplined NTPd can reach the same accuracy than one with the ATOM(PPS) Driver. [1] says, that SHM(1) is used for PPS from GPS. SHM(0) is sourced from NMEA-Messages. I'm

[ntp:questions] Discipline performance comparison of SHM(1) and Atom(PPS)

2015-06-11 Thread f.hiesinger
Hi Folks, I wonder, if a SHM(1) disciplined NTPd can reach the same accuracy than one with the ATOM(PPS) Driver. [1] says, that SHM(1) is used for PPS from GPS. SHM(0) is sourced from NMEA-Messages. I'm currently parsing very precise timestamps via SHM(1) to NTP (Operation mode=0). Every

Re: [ntp:questions] Leap Second on NTP server at stratum 2

2015-06-11 Thread Kashif Mumtaz Tahir
Dear Jochen, You extracted description is right , we are at stratum 2 and just syncing its time with stratum 1 level GPS device. Litte bit confused with your conclusion. When leap second will happen on GPS what will the impact on our stratum 2 level server and below beyond ( Straum 3 client etc )