Re: NTP Sync Issue Across Tata (Europe)

[Masataka Ohta <mohta () necom830 hpcl titech ac jp>]

Forrest Christian (List Account) wrote:

> In the middle tends to be a more moderate solution which involves a mix of
> time transmission methods from a variety of geographically and/or network
> diverse sources.  Taking time from the public trusted ntp servers and
> adding lower cost GPS receivers at diverse points in your network seems
> like a good compromise in the middle.  That way,  only coordinated attacks
> will be successful.

Instead, just rely on atomic clocks operated by you. They are not
so expensive (several thousand dollars) and should be accurate
enough without adjustment for hundreds of years. There can be no
coordinated attacks. They may be remotely accessed through
secured NTP.

                                        Masataka Ohta