Re: Real world coding standards implementation feedback

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Thu, 21 May 2009 01:55:07 -0700 (PDT)
Message-ID:
<3c603a6e-4544-4ef2-8297-a7067880b541@q2g2000vbr.googlegroups.com>
On May 21, 1:36 am, peter koch <peter.koch.lar...@gmail.com> wrote:

On 20 Maj, 18:58, ytrem...@nyx.nyx.net (Yannick Tremblay) wrote:


    [...]

However, if you are writing say landing software for a
fly-by-wire Airbus, maybe terminating the software and making the
plane impossible to control would not be the correct answer.


Which is why you have redundancy. A possible solution is to have three
systems: two identical systems in a master-slave configuration and an
independent backup system typically with far less features setting in
if both master and slave dies.


Not identical. In avionics, it's typically a requirement that
the two systems in the master-slave configuration be written by
two different, independent teams, and in at least one case I know
of, that they be programmed in different languages.

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