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Cross-Vendor communication is not guaranteed by design. (backport #4736) #4769

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Sep 23, 2024
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Cross-Vendor communication is not guaranteed by design. (backport #4736) #4769

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6 changes: 6 additions & 0 deletions source/Concepts/Intermediate/About-Different-Middleware-Vendors.rst
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Expand Up @@ -83,3 +83,9 @@ For example, if both ``rmw_cyclonedds_cpp`` and ``rmw_connextdds`` ROS packages
If ``rmw_fastrtps_cpp`` is ever installed, it would be the default.

See the :doc:`guide <../../How-To-Guides/Working-with-multiple-RMW-implementations>` for how to specify which RMW implementation is to be used when running the ROS 2 examples.

Cross-Vendor Communication
--------------------------

While different RMW implementations may be compatible in limited circumstances, this is not guaranteed.
Thus it is suggested that users ensure that all parts of the distributed system are using the same ROS version and the same RMW implementation.