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David Barnett

@rtidavid
Vice President of Products and Markets

Check out the posts written by David Barnett

Getting Started with Connext DDS, Part Two: Use Shapes Demo to Learn the Basics of DDS Without Coding

If you’re building Industrial IoT (IIoT) systems, then you’re probably investigating the Data Distribution Service (DDS) standard. DDS is the only connectivity framework designed specifically for mission-critical IIoT systems.

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The Industry-First Vendor-Backed FACE ™ 2.1 TSS Reference Implementation is Here!

A few weeks ago, we released a new version of our Future Airborne Capability Environment (FACE) Transport Service Segment (TSS) Reference Implementation. This new release is based on the FACE Technical Standard, Edition 2.1.

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MQTT and DDS for M2M: Disparate Approaches to the Internet of Things

The Internet of Things (IoT) has been getting a lot of attention lately. The impetus behind some of this is the recent announcement of an OASIS initiative to standardize the IBM MQTT protocol as a means for “Things” to communicate. This New York Times blog post provides some background on MQTT and the announcement.

If MQTT gives you a sense of déjà vu, then you’re likely familiar with the Object Management Group (OMG) Data Distribution Service for Real-Time Systems (DDS) standard. Like MQTT, DDS was designed specifically to address machine-to-machine (M2M) communication, the foundation for the IoT.

However, while they may share common aspirations, MQTT and DDS are very different standards. Each is optimized around different assumptions about how the IoT will be composed:

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JAUS over DDS

Many of you have expressed interest in using DDS as an interoperable transport for JAUS. I am pleased to report that RTI is participating with the AS-4 Unmanned Systems Committee--the JAUS people--to explore the possibility of JAUS over DDS. The AS-4 JAUS/DDS task group has drafted ARP6227, a recommended practice that describes how JAUS Service Interface Definition Language (JSIDL) specifications can be mapped to the OMG standard DDS Interface Definition Language (IDL). Future work will investigate transport issues relevant to a common approach to JAUS over DDS, and that work could lead to an AS-4 standard.

For the latest news and official updates on AS-4 JAUS/DDS task group progress, follow @jausdds on Twitter.

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