==== Sample ====
[[ddsf:public:guidebook:06_append:glossary:start| Return to Glossary ]]


The data values associated with a [[ddsf:public:guidebook:06_append:glossary:t:topic|Topic]], passed between 
applications are known as [[ddsf:public:guidebook:06_append:glossary:d:ddssample|DDS Samples]]. A sample represents 
an atom of data information as returned by a [[ddsf:public:guidebook:06_append:glossary:d:data_reader|Data Reader’s]] 
read/take operations. It consists of two parts; SampleInfo 
and the Data itself. The Data part is the data as produced by 
the [[ddsf:public:guidebook:06_append:glossary:p:publisher|Publisher]]. The Sample Info contains additional information 
related to the data provided by the [[ddsf:public:guidebook:06_append:glossary:d:data_distribution_service_dds]] such as a unique [[ddsf:public:guidebook:06_append:glossary:k:key|key]] 
and its associated [[ddsf:public:guidebook:06_append:glossary:q:quality_of_service_qos_policies|QoS]] policies.


Source: [[https://istkb.adlinktech.com/article/vortex-opensplice-dds-glossary/ | OpenSplice Glossary]]