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From: russ lyttle <lyttlec@removegmail.com>
Subject: Re: Ada in command / control systems
Date: Sat, 9 Mar 2019 13:34:52 -0500
Date: 2019-03-09T13:34:52-05:00	[thread overview]
Message-ID: <q6110b$q0$1@gioia.aioe.org> (raw)
In-Reply-To: lyimwsmpir.fsf@pushface.org

On 3/9/19 3:16 AM, Simon Wright wrote:
> russ lyttle <lyttlec@removegmail.com> writes:
> 
>> Which brings up a recurring debate. If there is a conflict between two
>> diagrams, which takes precedence?
> 
> Neither, in my view (as a purist): there's a contradiction which needs
> to be resolved.
> 
It's resolving the contradiction that is the problem. If I'm the 
software engineer, I will claim neither is required and the buyer will 
have to pay more if he wants either. If I'm the buyer I will claim the 
contract requires both and no extra money is due.

I've had to deal with several contractors who would find such instances 
and underbid to get the contract. They would then try to "get well" by 
demanding more money to fix the problem. One guy I had to deal with only 
had lawyers on staff. He hired temp software developers if needed.

Diagrams are much more difficult to maintain than text. During the life 
of the project, they tend to fall more and more out of synch. How does 
your automated requirements tracker diff two diagrams?


  parent reply	other threads:[~2019-03-09 18:34 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25  6:51 Ada in command / control systems Jesper Quorning
2019-02-25  8:24 ` Dmitry A. Kazakov
2019-02-25  9:44   ` Jesper Quorning
2019-02-25 15:54     ` Dmitry A. Kazakov
2019-02-25 13:50   ` russ lyttle
2019-02-25 14:29     ` gautier_niouzes
2019-02-25 15:25     ` Simon Wright
2019-02-25 19:21       ` russ lyttle
2019-02-26  4:50         ` J-P. Rosen
2019-02-26 15:50           ` Simon Wright
2019-02-26 22:10             ` lyttlec
2019-02-26 22:39               ` Niklas Holsti
2019-02-26 23:09               ` Simon Wright
2019-02-27 13:22                 ` russ lyttle
2019-02-27 14:17                   ` Niklas Holsti
2019-02-27 17:49                     ` russ lyttle
2019-02-25 19:53     ` Tero Koskinen
2019-02-25 20:15       ` russ lyttle
2019-03-01 14:56     ` fabien.chouteau
2019-03-01 16:58       ` Simon Wright
2019-03-01 21:19         ` russ lyttle
2019-03-01 22:32           ` fabien.chouteau
2019-03-01 23:24             ` russ lyttle
2019-02-25 21:18   ` Jesper Quorning
2019-02-26  9:28     ` Maciej Sobczak
2019-02-26 11:01       ` Dmitry A. Kazakov
2019-02-26 21:25         ` Maciej Sobczak
2019-02-27  9:33           ` Dmitry A. Kazakov
2019-02-27 20:46             ` Maciej Sobczak
2019-02-27 21:55               ` Dmitry A. Kazakov
2019-02-28 13:12                 ` Maciej Sobczak
2019-02-28 17:43                   ` Dmitry A. Kazakov
2019-03-01  9:22                     ` Maciej Sobczak
2019-03-01 10:46                       ` Dmitry A. Kazakov
2019-03-04  7:03                         ` Maciej Sobczak
2019-03-04 14:38                           ` Dmitry A. Kazakov
2019-03-05  9:33                             ` Maciej Sobczak
2019-03-05 16:09                               ` Dmitry A. Kazakov
2019-03-06  9:05                                 ` Maciej Sobczak
2019-03-06 14:14                                   ` Dmitry A. Kazakov
2019-03-07  7:02                                     ` Maciej Sobczak
2019-03-07  9:25                                       ` Dmitry A. Kazakov
2019-03-08  7:19                                         ` Maciej Sobczak
2019-03-08 11:08                                           ` Dmitry A. Kazakov
2019-03-08 17:00                                             ` Simon Wright
2019-03-08 17:38                                               ` Dmitry A. Kazakov
2019-03-05  7:18                   ` G. B.
2019-03-05  9:28                     ` Dmitry A. Kazakov
2019-03-05  9:51                       ` Maciej Sobczak
2019-03-05 16:15                         ` Dmitry A. Kazakov
2019-03-06 22:02                           ` Randy Brukardt
2019-03-05 17:55                         ` Niklas Holsti
2019-03-05 21:06                           ` Simon Wright
2019-03-06  7:26                           ` G. B.
2019-03-06  8:22                             ` Dmitry A. Kazakov
2019-03-06 12:04                               ` Simon Wright
2019-03-07  7:35                               ` G. B.
2019-03-07  9:25                                 ` Dmitry A. Kazakov
2019-03-06  9:17                           ` Maciej Sobczak
2019-03-08 22:45                           ` russ lyttle
2019-03-09  8:16                             ` Simon Wright
2019-03-09  8:59                               ` Dmitry A. Kazakov
2019-03-09 18:47                                 ` russ lyttle
2019-03-09 20:06                                 ` G.B.
2019-03-09 20:38                                   ` Dmitry A. Kazakov
2019-03-09 18:34                               ` russ lyttle [this message]
2019-03-09 19:28                                 ` Simon Wright
2019-03-10 21:13                                   ` lyttlec
2019-03-11  8:56                                     ` Simon Wright
2019-03-11 14:27                                       ` russ lyttle
2019-03-11 17:01                                         ` Simon Wright
2019-03-11 21:55                                           ` russ lyttle
2019-03-05 11:59                       ` russ lyttle
2019-03-05 18:18                         ` Dmitry A. Kazakov
2019-03-06  2:01                           ` lyttlec
2019-03-06  8:29                             ` Dmitry A. Kazakov
2019-02-26 15:54       ` Simon Wright
2019-02-26 21:43         ` Maciej Sobczak
2019-02-26 22:45           ` Simon Wright
2019-02-27  8:41             ` Dmitry A. Kazakov
2019-02-27 20:55             ` Maciej Sobczak
2019-02-27 21:26               ` Simon Wright
2019-02-27 22:08                 ` Dmitry A. Kazakov
2019-02-27 11:04       ` Jesper Quorning
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