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MOSA and Open – What is Real? Fiction?

Start Date:4/27/2021

Start Time:11:00 AM EDT

Duration:60 minutes


The Modular Open Systems Approach (MOSA) is now a dominant strategy in military procurements. L3Harris is now using MOSA to win new defense programs that break down legacy stovepipe system architectures with their dedicated supply chains and is replacing these systems with standards-based hardware and software components that can be readily updated in a more open supplier market. But what really is a MOSA system? Does an Open Standard = MOSA? And what does Open really mean?

Join Chip Downing, Senior Market Development Director of Aerospace & Defense at RTI, for a discussion on what is MOSA, and what qualifies as MOSA, Open Architectures, Open Standards, and Open Source. Mr. Downing will also compare industry standards like ARINC 653, DDS, Eclipse, FACE, OMS, POSIX, and the emerging SOSA solution.

If you're already registered for the MOSA and Open – What is Real? Fiction? webcast, click below:



Chip Downing

Senior Market Development Director, Aerospace & Defense


Chip Downing is the Senior Market Development Director of Aerospace and Defense at Real-Time Innovations (RTI). In this position he manages RTI’s global aerospace and defense business and helps drive the Open Management Group (OMG) Data Distribution Service (DDS) industry standard into the commercial and military aerospace market with RTI’s Connext DDS software, now used by over 250 global aerospace and defense customers in over 1,000 design wins. Mr. Downing serves as the elected Business Working Group (BWG) Chair of the joint industry/government Open Group Future Airborne Capabilities Environment (FACE™) Consortium. In this role, he is driving standards-based design efficiencies proven in commercial avionics systems, into next generation military avionics systems. For the last five years he has also served as the Chair of the FACE Consortium BWG Outreach Subcommittee, promoting the FACE approach globally. Mr. Downing is a veteran of the embedded systems industry and a pioneer in COTS safety certification for commercial RTOSs. Previously, he was Senior Director of Aerospace & Defense at Wind River Systems where he was responsible for business development for the company’s global A&D markets. During his 14-year Wind River tenure, design wins for certified avionics products grew to more than 500 projects. Mr. Downing has also led sales, marketing, and consulting organizations at Esterel Technologies (now Ansys), Validated Software, OnCore Systems, and Mentor Graphics (now Siemens).

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