[ros-users] ROS & DDS

[William Woodall]

Sorry that entirely wrong, Michi Henning is chief scientist at ZeroC (which
makes the Ice middleware). Martin Sústrik is the developer of ZeroMQ and
nanomsg. Sorry about that :/.

Still an interesting point.


On Tue, Feb 18, 2014 at 5:40 PM, William Woodall
<william at osrfoundation.org>wrote:

> This article was very good:
>
> https://queue.acm.org/detail.cfm?id=1142044
>
> I think that is outlines many of the fears that one might have with DDS,
> culturally, but we should keep in mind that it is describing CORBA. Part of
> me hopes that OMG learned from this with DDS and that the history of DDS is
> different enough to avoid some of the mistakes CORBA made. It is definitely
> something we will keep an eye on as we do market research and during our
> prototyping.
>
> A very interesting point is that this article was written by Michi
> Henning, the chief architect of ZeroMQ, who as since moved on to nanomsg.
> Such a small world :)
>
>
> On Sat, Feb 15, 2014 at 3:19 PM, Michael Zillich <
> zillich at acin.tuwien.ac.at> wrote:
>
>> Hi,
>>
>> my two cents regarding this discussion come from experiences with another
>> "industry-standard" middleware, that was somewhat ... complex internally
>> and thus typically was hidden under layers of convenience code: the
>> abominable CORBA.
>> (I ended up writing my own middleware after CORBA nearly killed a project)
>>
>> I have to admit I know nothing about DDS, so forgive me if I unjustly
>> critizise it. But reading in some of the ongoing discussions that its
>> complexity can easily be handled by some abstraction layer .. that rang an
>> alarm bell.
>>
>> If something is too complex to use for the intended target audience of
>> developers, and thus has to be hidden behind another layer (which, trust
>> me, inevitably leads to the most hilarious bugs you can possibly imagine)
>> then it is probably the wrong technology for that application area. (But
>> there are certainly other appliction areas where this middleware is the
>> perfect choice).
>>
>> So my personal choice is always a clear and simple solution targeted at a
>> specific application area (with specific requirements, problems, and
>> development procedures and cycles) rather than a solves-all-and-everyones-problems
>> solution developled by large committees.
>>
>> cheers,
>> Michael
>>
>> p.s. For those interested in the CORBA story read the enlightening
>> article by Michi Henning
>>   https://queue.acm.org/detail.cfm?id=1142044
>> who as one of the authors of "Advanced CORBA Programming with C++" is
>> probably one of the only two persons on the planet, who actually understood
>> CORBA (the other person being Steve Vinoski, the other author of the book).
>>
>> --
>> Dr. Michael Zillich
>> ACIN Institute of Automation and Control
>> Vienna University of Technology
>> (DVR-Number 0005886)
>> Gusshausstr 27-29/E376, 1040 Vienna, Austria
>> zillich at acin.tuwien.ac.at       http://users.acin.tuwien.ac.at/mzillich
>> Tel: +43 1 58801 376648           Fax: +43 1 58801 37698
>>
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>
>
>
> --
> William Woodall
> ROS Development Team
> william at osrfoundation.org
> http://williamjwoodall.com/
>



-- 
William Woodall
ROS Development Team
william at osrfoundation.org
http://williamjwoodall.com/
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