DDC-I, a company that specializes in safety-critical operating systems and tools, announced that its DO-178 Deos™ multicore real time operating system (RTOS) has been selected by Honeywell to host its new Honeywell Anthem cloud-native cockpit system. Deos features such as fine grain cache partitioning, binary modularity, and reusable certification evidence give Honeywell Anthem the ability to set a new standard for future flight deck systems.
Larry Miller, Honeywell’s Real Time Operating Systems Chief Engineer, stated, “Deos plays a central role in the Honeywell Anthem Flight Deck. It yields excellent performance on modern, power-efficient processors while also offering unique capabilities that give us better control of core-to-core contention. This allows us to meet our safety objectives with deterministic operation while at the same time reducing the worst-case CPU utilization of our applications. Deos boosts processing performance by implementing fine grained cache partitioning in software rather than hardware, which gives us access to faster and more efficient processors. As a result, the Honeywell Anthem system enjoys a compelling advantage in throughput per watt over other competitive offerings. In addition, Deos’ capabilities promote software modularity and binary reuse, which reduces verification and validation complexity and lowers certification cost, thereby reducing the effort needed to reapply Honeywell Anthem from one aircraft type to the next.”
Honeywell Anthem is an always-on, cloud-connected cockpit system that improves autonomy, flight efficiency, operations, safety, and comfort. Anthem’s flight deck combines connectivity with an intuitive smart-phone-like interface, clear 2k display and modern aesthetics comparable to those in the high-end automotive market. With a few finger swipes, pilots or operators, whether in the cockpit or on their device at home, can reconfigure screens and information and customize the layout of digital displays within the cockpit just like they would on their personal smart device.
Deos is a safety-critical embedded RTOS that employs patented cache partitioning, memory pools, and safe scheduling to deliver higher CPU utilization than any other certifiable safety-critical COTS RTOS on multi-core processors. First certified to DO-178 DAL A in 1998, Deos provides a FACE™ Conformant Safety Base and Safety Extended Profiles that features hard real-time response, time and space partitioning, and Rate Monotonic, ARINC-653 and POSIX interfaces.
SafeMC technology extends Deos’ advanced capabilities to multiple cores, enabling developers of safety-critical systems to achieve best-in-class multi-core performance without compromising safety critical task response and guaranteed execution time. SafeMC employs a bound multiprocessing (BMP) extension of the symmetric multiprocessing architecture (SMP), safe scheduling, and cache partitioning to minimize cross-core contention and interference patterns that affect the performance, safety criticality, and certifiability of multi-core systems. These features enable avionics systems developers to address issues that could impact the safety, performance and integrity of a software airborne system as specified by the Certification Authorities Software Team (CAST) in its Position Paper CAST-32A for Multi-core Processors.
DDC-I, Inc. is a global supplier of real-time operating systems, software development tools, custom software development services, and legacy software system modernization solutions, with a primary focus on mission and safety critical applications. DDC-I offers safety critical realtime operating systems, compilers, integrated development environments and run-time systems for C, C++, and Ada application development.
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