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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Inserting Calendar.Time in a database
Date: 26 Aug 2004 06:26:32 +0100
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> This works only locally. Consider a distributed data acquisition and
> control system. You measure some data at physically distinct
> places. The sensors and actors are interconnected using say
> Ethernet. Ada is the best candidate for implementing nodes of the
> system, right? Now, how would you ensure data consistency across the
> system? A practical example, is a mileage dynamometer. A test runs
> for weeks. Maximal data frequency is say 1 kHz.

We are meeting this sort of requirement using SNTP as the transport
mechanism. The interface to the facility is (on the Ada parts of the
system) <project>.Calendar, same features as Ada.Calendar (but you
can't use this sort of Time for "delay until", sadly).

-- 
Simon Wright                               100% Ada, no bugs.