WEDNESDAY, SEPTEMBER 16, 2026|No. 15216
Defense Technology · Open Source

Rheinmetall Releases Battlesuite Protocol for Open-Source Use

German defense contractor Rheinmetall has open-sourced the protocol for its Battlesuite connected weapon system, aiming to enhance interoperability and collaboration within the defense technology sector.

Rheinmetall's Battlesuite protocol is now available as open-source, aiming to improve interoperability.
Rheinmetall's Battlesuite protocol is now available as open-source, aiming to improve interoperability. · Photo by Daniel on Unsplash
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The onboardapi interface library and middleware is designed for seamless communication between sensor systems and software components. It provides a standardized data model that ensures interoperability across complex hardware and software environments.

Built on the ddkit software development kit, this library utilizes the Data Distribution Service (DDS) standard by the Object Management Group (OMG). This data-centric publish-subscribe architecture guarantees reliable, low-latency data exchange for high-demand applications.

By leveraging DDS XTypes and XCDR2 encoding, this library ensures full backward compatibility. This allows different versions of your software to coexist and communicate seamlessly, even as the data model evolves.

While the core library is provided in C++, the API supports multi-language integration via wrappers for Java, C# / .NET, and Python.

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PAN's pipeline reviewed approximately 1 open sources for this article. No human editor reviewed this article before publication.

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