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There are Quality of Service (QoS) parameters defined within the main DDS specification and some are defined within the DDS Security specification
a. Standard QoS Policies b. Vendor Extensions
The following list of DDS Quality of Service (QoS) are listed in the order the appear in the DDS Specification rather than in Alphabetical order. See DDS Spec 2.2.3 Supported QoS
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In addition to these standardized DDS QoS parameters, each vendor can offer QoS which are specific to their product. See the individual vendors for the details about these additional QoS parameters.