ImageReal-Time Innovations (Sunnyvale, CA) releases the Safety- Critical Edition of RTI Data Distribution Service. The small-footprint version of RTI's real-time messaging middleware is designed to meet safety certification standards such as DO-178B. Safety- Critical Edition was initially developed for use in satellite applications by the U.S. Air Force Research Laboratory (AFRL). However, Safety- Critical Edition is also ideal for communication within and between avionics systems and Unmanned Aircraft System (UAS) ground-control stations.

Based on the Object Management Group (OMG) Data Distribution Service for Real- Time Systems (DDS) standard, Safety-Critical Edition provides a high-performance message bus for integrating distributed components of avionics systems, such as control systems, sensors, actuators and displays. Its loosely coupled integration approach significantly reduces long-term software maintenance costs by allowing individual subsystems to be added or upgraded without impacting existing software.

Safety-Critical Edition supports the standard DDS interoperability protocol and the Real-Time Publish-Subscribe Protocol (RTPS). Applications developed using Safety-Critical Edition can communicate with other systems developed using RTPS-compliant DDS middleware. This allows military UASs to be easily integrated with net-centric combat systems, where DDS is widely used.

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