August CoreDX Connection
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August CoreDX DDS Connection 2023  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. CoreDX DDS Multiplexor Webinar September 12, 2023 - 9am MST Register here Join us to learn about the CoreDX DDS Multiplexor - a tool that bridges between networks and DDS Domains, providing sophisticated and dynamic DDS bridging, transformation, and aggregation features. This webinar will highlight various DDS architectures where the CoreDX DDS Multiplexor may be employed. Like all CoreDX DDS products, the CoreDX DDS Multiplexor is designed to use a minimal amount of system resources, and is built to be interoperable with any DDS product that complies with the DDS RTPS wire protocol standard. The CoreDX DDS Multiplexor provides systems designers with maximum control over their DDS publications and subscriptions. Meet us at the FACE and SOSA Consortium in Atlanta, GA. September 18-19, 2023 The 2023 FACE and SOSA Technical Interchange Meeting (TIM) and Expo will feature expert presentations and demos by a cross-section of the defense community and industry. Attendees will hear presentations from industry and government, detailing the positive impact of FACE adoption for buyers (end users), suppliers, integrators, and business representatives, including both Business and Technical lessons learned. Technology Interchange Meetings allow DoD, Industry, and Academia to collaborate on Research and Engineering technology challenges. The Future Airborne Capability Environment (FACE) Consortium will feature demonstrations from both industry and government FACE members, covering all segments of the FACE solution stack, running on the world's most advanced multi-core hardware. These solutions will prove the value of open standards-based systems that encourage innovation, and will increase quality, accelerate airworthiness, and speed deployment of critical, advanced technologies to our warfighters. Twin Oaks Computing will be present to answer your DDS questions at booth #817 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. Are Content Filters Applied at the Reader or Writer? Content filters are configured at the DataReader, and may be applied at the DataWriter or DataReader. CoreDX DDS can be configured to apply content based filters at either the reader or the writer. This configuration is done using a QoS policy on the DataWriter: CoreDX_RTPSWriterQoSPolicy.apply_filters. When this option has a value of '1' or 'true' (which is the default), the DataWriter filters the data appropriately for all matched DataReaders. When this option has a value of '0' or 'false', the filtering happens on the DataReader (0 is the default setting). This configuration has an impact on how data is communicated between the DataWriter and DataReaders, and the best configuration is dependent on your communications architecture (the number of DataReaders matched to this DataWriter, and the amount of data that is filtered for each DataReader). For example, when content filters are applied at the DataWriter, and at least one matched DataReader has a content filter configured, the DataWriter will use UNICAST communications to all matched DataReaders, to ensure the appropriate data examples reach the appropriate DataReaders. This may or may not result in less network traffic than applying the content filters to the DataReaders. 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, Solaris, and Windows. Download your free 30 day trial of CoreDX DDS here. Upcoming Events September 12, 2023: CoreDX DDS Multiplexor, Webinar September 18-19, 2023: FACE & SOSA TIM & Expo, Washington, DC, USA September 25-29, 2023: OMG Technical Meeting, Chicago, IL, USA November 27 - December 1, 2023: I/ITSEC, Orlando, FL, USA Dec 5-9, 2023: OMG Technical Meeting, Austin, TX, USA December 11-13, 2023: AOC International Symposium and Convention, Washington, DC, USA
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