Re: Alternative Transports / Master Server

2014-11-11 15:29 GMT+01:00 Willy Lambert <[email protected]>:

> Hi,
>
> FYI, Ros is going to use DDS for transportation in the next major version,
> see :
> http://design.ros2.org/articles/ros_on_dds.html
>

DDS would definitely be a good choice IMO. Some people in Stockholm (IIRC)
started to work on it, maybe they have a base source code to share...


>
>
>
>
> 2014-11-11 15:13 GMT+01:00 Janosch Machowinski <
> [email protected]>:
>
>> Hey,
>> we are currently looking into adding new transport layers to orocos.
>> We haven't choosen the concrete implementation or candidate yet,
>> the candidates so far are :
>>   - LTP/BT (licklider transmission protocol / Bundle protocol)
>>   - ICE
>>   - DDS
>>   - zeroMq
>>
>> Noe we stumbled over the issue with the "Master Server"
>> for now, there is the implicit master server, being the
>> corba nameserver. By "Master Server" I mean the instance,
>> which tells you which components are running, and what
>> their URIs are.
>> The question now would be how we should move on with
>> this. Our first idea was, to implement a transport independent
>> master server as a orocos component and in the long run
>> switch all transport layers to this one.
>>
>
I don't understand why you need such a master... DDS for instance can
provide dynamic finding of components, then without master. Why do you need
a master in such cases?



> Comments are welcome ;-)
>>
>> Greetings
>>      Janosch
>>
>> --
>>   Dipl. Inf. Janosch Machowinski
>>   SAR- & Sicherheitsrobotik
>>
>>   Universität Bremen
>>   FB 3 - Mathematik und Informatik
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>
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