>
> but in my personal opinion, services are a bad idea anyway, and what we
> really want is something more like (though not necessarily exactly the
> same) what actionlib offers
>
I wholeheartedly agree and might go so far as to call it an antipattern. I
feel it overly simplifies synchronous communication, making many nodes more
fragile. I'd be happy to see something like actionlib replace services
entirely.
-Kelsey
On Feb 18, 2014 3:42 AM, "Ingo Lütkebohle" <
iluetkeb@gmail.com> wrote:
> On Tue, Feb 18, 2014 at 2:12 AM, Brian Gerkey <gerkey@osrfoundation.org>wrote:
>
>> On Mon, Feb 17, 2014 at 9:06 AM, Wrede, Sebastian
>> <swrede@techfak.uni-bielefeld.de> wrote:
>> > * How will services / RPC be implemented with DDS? Is there already an
>> > accepted standard protocol for doing RPC over DDS?
>>
>> My understanding is: (i) the current DDS spec doesn't include what we
>> call services; (ii) there's an extension for services that is
>> currently under consideration and may make its way into a future
>> revision of the spec; and (iii) some current implementations have
>> vendor-specific extensions for services.
>>
>
> I know that many people feel otherwise, but in my personal opinion,
> services are a bad idea anyway, and what we really want is something more
> like (though not necessarily exactly the same) what actionlib offers. That
> is, something which *explicitly* acknowledges that there are always
> packets/messages underneath, that there is asynchronicity, and that there
> may be impossibility to act *in the protocol*.
>
> Just saying ;-)
>
> cheers
>
> --
> Ingo Lütkebohle, Dr.-Ing.
> Machine Learning and Robotics Lab, IPVS, Universität Stuttgart
>
> http://www.ipvs.uni-stuttgart.de/abteilungen/mlr/abteilung/mitarbeiter/Ingo.Luetkebohle
> +49-711-685-88350
>
> PGP Fingerprint 3187 4DEC 47E6 1B1E 6F4F 57D4 CD90 C164 34AD CE5B
>
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