First Published Friday, 30th April 2010 02:05 pm from Real-Time Innovations (RTI) : Rick Warren
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Last month, the href="http://www.omg.org/">Object Management Group
(OMG) held a technical meeting, sponsored in part by
RTI, in Jacksonville, Florida. There were a lot of important
developments, and I'd like to give you a short
- Perhaps the most important
milestone for DDS followers was the recommendation for adoption
of the new specification Extensible and Dynamic Topic
Types for DDS (sometimes abbreviated
wrote about DDS-XTypes late last year; it will make it
much easier for DDS users to upgrade and evolve their systems
over time. It will also enable whole new categories of
plug-and-play tools and integration components - such
services - to be developed in a way
that's portable and interoperable across DDS
implementations, increasing the size and diversity of the DDS
marketplace and increasing competition. RTI was a lead author of
this specification, and a number of the capabilities defined in
it are available in pre-standard form in href="http://www.rti.com/products/dds/index.html">RTI Data
Distribution Service today.
meeting also saw the presentation of three initial submissions,
representing six different companies, to the href="http://www.omg.org/techprocess/meetings/schedule/Web-enabled_DDS_RFP.html">Web-Enabled
DDS RFP that was released last year. (The previous link
is only accessible to OMG members; sorry. When it's
finished, the specification will be publicly available.) This
very strategic initiative will produce a specification for the
integration of systems based on DDS with those based on web
technologies. For the first time, it will be possible for SOAP-
or REST-based client applications to consume data flowing along a
DDS data plane, and for them to provide services back to
applications in that plane, in a standards-based way with COTS
technology. RTI is currently developing an implementation of this
technology in parallel with the standard; this component, called
RTI Web Integration Service, will be included in the href="http://www.rti.com/products/dds/editions.html">Professional
and Elite Editions of RTI Data Distribution Service.
You can see a href="http://www.youtube.com/user/RealTimeInnovations#p/u/2/CUE3G6eEalw">video
demo of DDS-web integration, based on a pre-release
version of this component, on YouTube.
continues on further improving the portability and usability of
DDS implementations with updated C++ and Java API bindings. The
C++ APIs are already in the revised submission stage,
and we expect them to be adopted within the next small number of
OMG meetings. The href="http://www.omg.org/techprocess/meetings/schedule/Java_5_Language_PSM_for_DDS_RFP.html">improved
Java APIs will be presented as initial submissions at
the next OMG meeting, to be held in Minneapolis in June.
RTI's initial proposal will be based on the href="http://code.google.com/p/datadistrib4j/">DataDistrib4J
APIs, which we have made available in open source.
- Finally, the group had a lively discussion of DDS
security, especially with respect to data tagging and labeling.
We expect to take these discussions to a formal RFP in the coming
I think it's a
testament to the strength of the DDS ecosystem that while its
core standards remain stable and support href="http://www.rti.com/industries/">significant real-world
deployments, at the same time the depth and breadth of
that ecosystem continues to grow. It's an exciting time
to be involved with this technology.
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