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Add data-sharing with security incompatiblity warning (#979)
* Add data-sharing with security incompatiblity warning Signed-off-by: Juan Lopez Fernandez <juanlopez@eprosima.com> * Apply suggestion Signed-off-by: Juan Lopez Fernandez <juanlopez@eprosima.com> --------- Signed-off-by: Juan Lopez Fernandez <juanlopez@eprosima.com> (cherry picked from commit de52248)
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docs/fastdds/security/includes/intro.rst

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@@ -44,4 +44,7 @@ and its value (:class:`std::string`).
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However, it is possible to configure basic system security settings, i.e. authentication, access control and
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encryption, to Fast DDS without this knowledge.
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.. warning::
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The use of security plugins is incompatible with :ref:`Data-sharing delivery <datasharing-delivery>`.
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The following sections describe how to configure each of these properties to set up the Fast DDS security plugins.

docs/fastdds/transport/datasharing.rst

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i.e., its |TopicDataType::is_bounded-api| member function returns true.
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* The Topic :ref:`is not keyed<dds_layer_topic_keyed_data_types>`.
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* The DataWriter is configured with |PREALLOCATED_MEMORY_MODE-api| or |PREALLOCATED_WITH_REALLOC_MEMORY_MODE-api|.
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* No :ref:`security <security>` plugins are used.
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There is also a limitation with the DataReader's HistoryQos.
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Using Data-sharing mechanism, the DataWriter's history is shared with the DataReaders.

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