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From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: IoT / IIoT stuff
Date: Fri, 22 Jan 2016 21:19:33 -0500
Date: 2016-01-22T21:19:33-05:00	[thread overview]
Message-ID: <9oo5abl0fp9asoilo6p127iud9afm2gdk7@4ax.com> (raw)
In-Reply-To: n7tu6g$1dsb$1@gioia.aioe.org

On Fri, 22 Jan 2016 18:59:28 +0000 (UTC), tmoran@acm.org declaimed the
following:

>> This is not how automation applications are designed and are required to
>> be, as they know exactly where devices are and which sensors and
>> actuators they have.
>  Lots of cheap sensors and actuators implies designing for unreliable, but
>multiply redundant, sets of devices.  eg "Homeowner detected leaving work
>at usual time, then detected at end of driveway at expected time, but no
>detection of house door being opened.  What's the probability he's
>actually home and the house door sensor failed, vs he went to the store
>and the end-of-driveway detection was spurious, and what should we do?"

	... vs he had a heart attack trudging through the snow from the
driveway to the house door... <G>
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

  reply	other threads:[~2016-01-23  2:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-21 13:25 IoT / IIoT stuff slos
2016-01-21 14:36 ` Dmitry A. Kazakov
2016-01-22 15:24   ` slos
2016-01-22 15:43     ` Dmitry A. Kazakov
2016-01-22 18:59       ` tmoran
2016-01-23  2:19         ` Dennis Lee Bieber [this message]
2016-01-23  8:05         ` Dmitry A. Kazakov
2016-01-22 20:23       ` Georg Bauhaus
2016-01-22 22:12       ` slos
2016-01-22 11:48 ` Maciej Sobczak
2016-01-22 22:26   ` slos
2016-01-27  5:18 ` Per Sandberg
2016-01-27 16:31   ` slos
2016-01-31  7:46     ` slos
2016-01-31  9:57 ` tonyg
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