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Add data-sharing with security incompatiblity warning (backport #979) #982

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Add data-sharing with security incompatiblity warning (backport #979) #982

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3 changes: 3 additions & 0 deletions docs/fastdds/security/includes/intro.rst
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Expand Up @@ -44,4 +44,7 @@ and its value (:class:`std::string`).
However, it is possible to configure basic system security settings, i.e. authentication, access control and
encryption, to Fast DDS without this knowledge.

.. warning::
The use of security plugins is incompatible with :ref:`Data-sharing delivery <datasharing-delivery>`.

The following sections describe how to configure each of these properties to set up the Fast DDS security plugins.
1 change: 1 addition & 0 deletions docs/fastdds/transport/datasharing.rst
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Expand Up @@ -61,6 +61,7 @@ This feature is available only if the following requirements are met:
i.e., its |TopicDataType::is_bounded-api| member function returns true.
* The Topic :ref:`is not keyed<dds_layer_topic_keyed_data_types>`.
* The DataWriter is configured with |PREALLOCATED_MEMORY_MODE-api| or |PREALLOCATED_WITH_REALLOC_MEMORY_MODE-api|.
* No :ref:`security <security>` plugins are used.

There is also a limitation with the DataReader's HistoryQos.
Using Data-sharing mechanism, the DataWriter's history is shared with the DataReaders.
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