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From: "J-P. Rosen" <rosen@adalog.fr>
Subject: Re: On intended use cases of the distributed annex
Date: Thu, 25 Sep 2014 11:26:35 +0200
Date: 2014-09-25T11:26:35+02:00	[thread overview]
Message-ID: <m00n4c$1c2$1@dont-email.me> (raw)
In-Reply-To: <2fe842c3-1e5c-4fd7-89be-515e86c8aeb4@googlegroups.com>

Le 25/09/2014 10:30, Maciej Sobczak a écrit :
> You can make it work, but be aware that DSA was not invented with
> heterogeneous systems in mind. That is, the annex does not define the
> wire-level protocol nor even the data type mappings, so depending on
> the particular implementation you might be forced to use the same
> compiler version for all nodes and obviously all of the nodes will
> have to be written in Ada. This might sound like heaven for some, but
> in a distributed system it might as well become a maintenance and
> integration nightmare and if at the end you will have to use
> additional protocols for integration with existing software or for
> adding software written by others or for other functions like remote
> monitoring or configuration scripts, etc., then it will become a
> bloody mess, which kind of contradicts the intentions of using Ada in
> the first place. For this reason I would not use DSA at all and
> instead try some technology-neutral communication solution.
> 
> I don't claim that the above considerations are bound to be problems,
> but certainly they are something to think about before you start.
> 
Right, but with PolyOrb you may have the same objects viewed as
distributed Ada objects from Ada, and Corba objects from the rest of the
world...

-- 
J-P. Rosen
Adalog
2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX
Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00
http://www.adalog.fr


  reply	other threads:[~2014-09-25  9:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-24  9:37 On intended use cases of the distributed annex Alejandro R. Mosteo
2014-09-24 10:08 ` tonyg
2014-09-24 10:09   ` tonyg
2014-09-24 10:09 ` Pascal Obry
2014-09-24 10:42   ` Alejandro R. Mosteo
2014-09-24 10:51     ` Alejandro R. Mosteo
2014-09-25  8:30 ` Maciej Sobczak
2014-09-25  9:26   ` J-P. Rosen [this message]
2014-09-25 14:36     ` Maciej Sobczak
2014-09-25 15:02   ` Brad Moore
2014-09-26  7:36     ` Maciej Sobczak
2014-09-30  5:44       ` Brad Moore
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