January CoreDX Connection
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January CoreDX DDS Connection 2026 Welcome to the Twin Oaks Computing, Inc Newsletter! Our monthly newsletter brings you news and information about Twin Oaks Computing and our CoreDX DDS middleware. Be sure to "like", "follow" and "friend" us on our Social Networking sites for fun facts, free giveaways, and stories about Communications Middleware, Technology, and Twin Oaks Computing. Twin Oaks Computing to Exhibit at DTECH February 2-5, 2026, San Diego, CA From cutting-edge solutions in grid automation, energy efficiency, smart cities, transportation, and cybersecurity, DTECH delivers the insights and connections that move the industry forward. Whether you're focused on resiliency, reliability, sustainability, or grid modernization, DTECH offers unmatched value, collaboration, and opportunities to spark a real transformation. Visit Twin Oaks Computing at Booth UL216 to learn more about CoreDX DDS solutions to these challenges. Now Scheduling 2026 Client Visits Does your team have DDS related questions? Are they interested in learning about the newest features in recent and upcoming CoreDX DDS releases? Let us come to you! Twin Oaks Computing is now scheduling client visits for 2026. Agendas are tailored specifically for your team and may include DDS introductions for new team members, Q&A sessions for developers and architects, and/or discussions on new and upcoming features. If your group would like to learn what's new with CoreDX DDS, including enhancements and features, or would like an introduction to CoreDX DDS to see what it can do for you, please contact us. CoreDX DDS Tips & Tricks Welcome to this month's edition of CoreDX DDS Tips & Tricks, where our engineers provide quick bits of information to help our customers. Decoding QoS ID's A The DDS API for learning about QoS mismatches provide a DDS_QosPolicyID_t - basically a number. On it's own, not very useful to is humans to determine what's not matching. With CoreDX DDS, the list of QoSPolicyId_t numbers to useful strings can be found in the dds_const.h header file. In addition, CoreDX DDS provides helper routines to turn a QoSPolicyId_t number to a printable string. For example, in 'C', you might put the following code in your on_offered_incompatible_qos() listener function:
DDS_Topic top = NULL;
const char * topic_name;
const char * policy_str = DDS_qos_policy_str(status.last_policy_id);
topic_name = "unkn";
if (writer) top = DDS_DataWriter_get_topic(writer);
if (top) topic_name = DDS_Topic_get_name(top);
printf("%s(%s): Incompatible QoS Offered : last policy: %s\n",
__FUNCTION__,
topic_name,
policy_str);
CoreDX DDS Tips & Tricks are intended to be useful for engineers using CoreDX DDS. If you have any questions, please contact us. Try the full-featured CoreDX DDS product free for 30 days Check out the newest DDS standardized features and get your hands on the leading small footprint Data Distribution Service implementation to see what it can do for you. CoreDX DDS v5 continues to focus on resources and performance while incorporating new features and enhancements. Our evaluation copies include the full DDS API and standardized wire protocol, including:
With these enhanced features, CoreDX DDS is the perfect middleware solution to meet the challenges of today's Industrial Internet of Things (IIoT) systems. Learn more here. The evaluation is available here for direct download for the most common platforms, including Linux, MacOS, and Windows. Download your free 30 day trial of CoreDX DDS here. Upcoming Events February 2-5, 2026: Distributech, San Diego, CA, USA February 9-12, 2026: Simulation Innovation Workshop (SIW), Orlando, FL, USA March 23-27, 2026: OMG Technical Meeting, Reston, VA, USA
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