Harry wrote:
> My ntp.conf looks like this right now.
> server 0.asia.pool.ntp.org
> server 1.asia.pool.ntp.org
> server 2.asia.pool.ntp.org
> I assume, then, that adding a couple more entries should address the
> "4 or more" tip of yours and provide me a stable and accurate time...
tos minclock 4 minsane 3 cohort 1
restrict source nomodify
???.airtel.in # UpStream ISP NTP Servers ?
???.bharti.in
pool in.pool.ntp.org iburst # will likely get 2 national servers
# pool 0.in.pool.ntp.org iburst
# pool 1.in.pool.ntp.org iburst
# pool 2.in.pool.ntp.org iburst
# pool 3.in.pool.ntp.org iburst
pool asia.pool.ntp.org # will likely get 3 regional servers
# pool 0.asia.pool.ntp.org
# pool 1.asia.pool.ntp.org
# pool 2.asia.pool.ntp.org
# pool 3.asia.pool.ntp.org
# pool 0.fedora.pool.ntp.org # or whichever OS vendor zone
# pool 1.fedora.pool.ntp.org
# pool 2.fedora.pool.ntp.org
# pool 3.fedora.pool.ntp.org
If it is going to be used by many clients,
why not use GPS or other reference clock?
I would have though the India Time and Frequency Standards Laboratory
and/or India National Physical Laboratory would likely have
stratum one NTP services referenced to their caesium and rubidium atomic
clocks;
or from the National Reference clock centers (NRCs),
the Main National Reference clock Centre (MNRC VSNL Mumbai)
and/or the Backup National Reference clock Centre (BNRC Delhi).
It looks like time is also available via through radio clock 10 MHz broadcast,
and through NPLI Teleclock, a service via phone lines (like US NIST ACTS?)
and via STFS over INSAT (Indian National Satellite System),
not to mention via GPS.
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