Use these QoS fields to configure features which help to control the rate at which data is sent, preventing network congestion.

Basic Settings


com.rti.dds.infrastructure.ReliabilityQosPolicy	max_blocking_time
	<<basic>> <<spec>> The maximum time a DataWriter can block on a write() call.

com.rti.dds.infrastructure.PublishModeQosPolicy	kind
	<<basic>> <<extension>> Publishing mode

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	min_send_window_size
	<<basic>> <<extension>> Minimum size of send window of unacknowledged samples

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	max_send_window_size
	<<basic>> <<extension>> Maximum size of send window of unacknowledged samples

Advanced Settings


com.rti.dds.infrastructure.PublishModeQosPolicy	flow_controller_name
	<<extension>> Name of the associated flow controller

com.rti.dds.infrastructure.PublishModeQosPolicy	priority
	<<extension>> Publication priority

com.rti.dds.infrastructure.AsynchronousPublisherQosPolicy	disable_asynchronous_write
	[DEPRECATED] <<extension>> Disable asynchronous publishing.

com.rti.dds.infrastructure.DomainParticipantResourceLimitsQosPolicy	outstanding_asynchronous_sample_allocation
	<<extension>> Allocation settings applied to the maximum number of samples (from all com.rti.dds.publication.DataWriter) waiting to be asynchronously written.

com.rti.dds.infrastructure.DomainParticipantResourceLimitsQosPolicy	flow_controller_allocation
	<<extension>> Allocation settings applied to flow controllers.

com.rti.dds.infrastructure.DomainParticipantResourceLimitsQosPolicy	flow_controller_hash_buckets
	[DEPRECATED] <<extension>> Number of hash buckets for flow controllers.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	publication_writer_publish_mode
	<<extension>> Publish mode policy for the built-in publication writer.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	subscription_writer_publish_mode
	<<extension>> Publish mode policy for the built-in subscription writer.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	asynchronous_publisher
	<<extension>> Asynchronous publishing settings for the discovery com.rti.dds.publication.Publisher and all entities that are created by it.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	service_request_writer_publish_mode
	<<extension>> Publish mode policy for the built-in service request writer.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	secure_volatile_writer_publish_mode
	<<extension>> Publish mode policy for the built-in secure volatile writer.

com.rti.dds.infrastructure.DiscoveryConfigQosPolicy	participant_configuration_writer_publish_mode
	<<extension>> Publish mode policy for the built-in participant configuration writer.

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	max_bytes_per_nack_response
	<<extension>> The maximum total message size when resending rejected samples or data fragments.

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	send_window_update_period
	<<extension>> Period in which send window may be dynamically changed

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	send_window_increase_factor
	<<extension>> Increases send window size by this percentage when reacting dynamically to network conditions

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	send_window_decrease_factor
	<<extension>> Decreases send window size by this percentage when reacting dynamically to network conditions

com.rti.dds.infrastructure.RtpsReliableWriterProtocol_t	disable_repair_piggyback_heartbeat
	<<extension>> Prevents piggyback heartbeats from being sent with repair samples