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DATE 2017-05-01

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MESSAGE
DATE 2017-05-29
FROM Ruben Safir
SUBJECT Re: [Learn] [Hangout of NYLXS] London calling
From learn-bounces-at-nylxs.com Mon May 29 13:05:34 2017
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To: Hangout , "learn-at-nylxs.com"
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<7c067020-031b-28bb-21bf-6352856a5007-at-my.liu.edu>
From: Ruben Safir
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On 05/28/2017 11:45 PM, Ruben Safir wrote:
> On 05/28/2017 11:43 PM, Ruben Safir wrote:
>> How irresponsible and dangerous is it that all air traffic over London,
>> which is a HUGE European, African and Asian hub to be shut down for 24
>> hours during a holiday weekend because of a computer glitch. We did not
>> tolerate this kind of catastrophic calamity even a few short years ago,
>> and lately everywhere I go, from the NYC Subway to rails, to overseas
>> flights, to hospital operations has come to a complete standstill
>> because of computer errors.
>>
>> How much longer is our love affair with glitzy technology and addiction
>> to over engineer technology going to last before something truly
>> civilization altering happens.
>>
> "Many of our IT systems are back up today," BA Chairman and Chief
> Executive Alex Cruz said in a video posted on Twitter.
> =

> "All my British Airways colleagues on the ground and in the air are
> pulling out all the stops to get our operation back up to normal as
> quickly as we possibly can, we're not there yet."
> =

> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`
> =

> This is supposed to be just accepted?
> =

> =

> =



From the Manjaro forum:


Firstly, the article says it is a power outage.
http://edition.cnn.com/2017/05/27/world/british-airways-computer-failure/

However in terms of computer programming for systems of great importance:
-at-mrbrklyn is correct. Mission critical software must under go standards
and robustness checking. More to say it must be Turing complete and not
throw errors of any sort. Reliability problems should be non-existent
especially in something like flight control.

Adding further to what he said. It's not so much about age, in terms of
mission critical systems it always comes down to "completeness". In case
you guys are unfamilar with Turing Completeness and Soundness.
https://stackoverflow.com/questions/21437015/soundness-and-completeness-of-=
systems
When modifying or extending existing code it, must have a proof to show
undefined behaviour can not occur when the program runs.

Visit Topic to respond.
In Reply To
[yotties] yotties
May 29
Why should age not be a reason to replace systems? In fact many
neon-lights get replaced before they stop functioning. With regards to
the technical side of things (from printer-drivers to storage systems) I
see them slowly progressing. But as soon as user-data is involved there
is an enormous am=E2=80=A6


-- =

So many immigrant groups have swept through our town
that Brooklyn, like Atlantis, reaches mythological
proportions in the mind of the world - RI Safir 1998
http://www.mrbrklyn.com

DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
http://www.nylxs.com - Leadership Development in Free Software
http://www2.mrbrklyn.com/resources - Unpublished Archive
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Being so tracked is for FARM ANIMALS and and extermination camps,
but incompatible with living as a free human being. -RI Safir 2013
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