[ntp:questions] Re: Mother Of All Clocks
mayer at gis.net
mayer at gis.net
Fri Mar 25 22:15:47 UTC 2005
----- Original Message Follows -----
> At 10:25 PM +0100 2005-03-25, Mxsmanic wrote:
>
> >> Sheesh! What kind of client needs that sort of time security?
> >
> > Anyone who requires tight synchronization or closely-spaced,
> > accurate timestamps ... anyone who is currently using NTP,
> > presumably (otherwise why is he using NTP?).
>
> Telcos use NTP to keep their SONET rings tightly synchronized.
> If they don't all sorts of really horrible things can happen to the
> telco-specific communications protocols that no one outside of the
> telco business ever sees.
>
> NTP is also frequently used in satellite equipment. You wouldn't
> want to lose a multi-billion dollar piece of electronics because it
> didn't have it's antenna aimed the right direction at the right time,
> and at the kinds of speeds satellites are moving, being just a few
> milliseconds off could mean many, many miles of distance.
>
> Radio and television also frequently use NTP. The issue of good
> time sync is something that they have understood for many years, and
> time code is integral to International standards in these areas.
>
>
> Basically, anything to do with communications is more or less
> dependant on having good time sync. The more mission-critical that
> communication, the more important it is to have good time sync.
>
And then the military heavily. You wouldn't want that bomb to hit
your house when the bad guys are next door?
>
> Now, when it comes to logs, they are a vital component to piecing
> together the sequence of events, when it comes to things like
> detecting break-ins or trying to work out how someone got in, where
> they came from, etc....
>
> If you knowingly log incorrect data which hampers an
> investigation, you might be held criminally liable for that. Think
> Sarbanes-Oxley.
SOX is nothing compared to your shareholders screaming for your blood
because your transactions were a few milliseconds too late. The SWIFT
network moves Trillions of dollars through its network, yes TRILLIONS,
every day. A slight error in time has enormous repercussions.
Danny
>
> --
> Brad Knowles, <brad at stop.mail-abuse.org>
>
> "Those who would give up essential Liberty, to purchase a little
> temporary Safety, deserve neither Liberty nor Safety."
>
> -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
> Assembly to the Governor, November 11, 1755
>
> SAGE member since 1995. See <http://www.sage.org/> for more info.
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