QoS that are defined in one of the OMG DDS Specifications.

This page lists the QoS that are included in an OMG DDS specification. The standards are listed here: https://www.dds-foundation.org/omg-dds-standard/.


DDS_UserDataQosPolicy	value
	<<spec>> a sequence of octets

DDS_GroupDataQosPolicy	value
	<<spec>> a sequence of octets

DDS_DurabilityQosPolicy	kind
	<<basic>> <<spec>> The kind of durability.

DDS_DurabilityServiceQosPolicy	service_cleanup_delay
	<<spec>> Controls when the service is able to remove all information regarding a data instances.

DDS_DurabilityServiceQosPolicy	history_kind
	<<spec>> The kind of history to apply in recouping durable data.

DDS_DurabilityServiceQosPolicy	history_depth
	<<spec>> Setting to use for the DDS_DurabilityQosPolicy::writer_depth when recouping durable data.

DDS_DurabilityServiceQosPolicy	max_samples
	<<spec>> Part of resource limits QoS policy to apply when feeding a late joiner.

DDS_DurabilityServiceQosPolicy	max_instances
	<<spec>> Part of resource limits QoS policy to apply when feeding a late joiner.

DDS_DurabilityServiceQosPolicy	max_samples_per_instance
	<<spec>> Part of resource limits QoS policy to apply when feeding a late joiner.

DDS_DataRepresentationQosPolicy	value
	<<spec>> Sequence of representation identifiers.

DDS_PresentationQosPolicy	access_scope
	<<spec>> Determines the largest scope spanning the entities for which the order and coherency of changes can be preserved.

DDS_PresentationQosPolicy	coherent_access
	<<spec>> Specifies support for coherent access. Controls whether coherent access is supported within the scope `access_scope`.

DDS_PresentationQosPolicy	ordered_access
	<<spec>> Specifies support for ordered access to the samples received at the subscription end. Controls whether ordered access is supported within the scope `access_scope`.

DDS_DeadlineQosPolicy	period
	<<basic>> <<spec>> Duration of the deadline period.

DDS_LatencyBudgetQosPolicy	duration
	<<spec>> Duration of the maximum acceptable delay.

DDS_OwnershipQosPolicy	kind
	<<basic>> <<spec>> The kind of ownership

DDS_OwnershipStrengthQosPolicy	value
	<<basic>> <<spec>> The strength value used to arbitrate among multiple writers.

DDS_LivelinessQosPolicy	kind
	<<basic>> <<spec>> The kind of liveliness desired.

DDS_LivelinessQosPolicy	lease_duration
	<<basic>> <<spec>> The duration within which a DDS_DataWriter must be asserted, or else it is assumed to be not alive.

DDS_TimeBasedFilterQosPolicy	minimum_separation
	<<basic>> <<spec>> The minimum separation duration between subsequent samples.

DDS_PartitionQosPolicy	name
	<<basic>> <<spec>> A list of partition names

DDS_ReliabilityQosPolicy	kind
	<<basic>> <<spec>> Kind of reliability.

DDS_ReliabilityQosPolicy	max_blocking_time
	<<basic>> <<spec>> The maximum time a DataWriter can block on a write() call.

DDS_DestinationOrderQosPolicy	kind
	<<basic>> <<spec>> Specifies the desired kind of destination order.

DDS_DestinationOrderQosPolicy	scope
	<<spec>> Specifies the desired scope of the source destination order.

DDS_HistoryQosPolicy	kind
	<<basic>> <<spec>> Specifies the kind of history to be kept.

DDS_HistoryQosPolicy	depth
	<<basic>> <<spec>> Specifies the number of samples per instance to be kept, when the `kind` is DDS_KEEP_LAST_HISTORY_QOS

DDS_ResourceLimitsQosPolicy	max_samples
	<<basic>> <<spec>> Represents the maximum samples the middleware can store for any one DDS_DataWriter (or DDS_DataReader).

DDS_ResourceLimitsQosPolicy	max_instances
	<<basic>> <<spec>> Represents the maximum number of instances a DDS_DataWriter (or DDS_DataReader) can manage.

DDS_ResourceLimitsQosPolicy	max_samples_per_instance
	<<spec>> Represents the maximum number of samples of any one instance a DDS_DataWriter (or DDS_DataReader) can manage.

DDS_EntityFactoryQosPolicy	autoenable_created_entities
	<<basic>> <<spec>> Specifies whether the entity acting as a factory automatically enables the instances it creates.

DDS_TransportPriorityQosPolicy	value
	<<spec>> This policy is a hint to the infrastructure as to how to set the priority of the underlying transport used to send the data.

DDS_LifespanQosPolicy	duration
	<<basic>> <<spec>> Maximum duration for the data's validity.

DDS_WriterDataLifecycleQosPolicy	autodispose_unregistered_instances
	<<spec>> Boolean flag that controls the behavior when the DDS_DataWriter unregisters an instance by means of the unregister operations.

DDS_ReaderDataLifecycleQosPolicy	autopurge_nowriter_samples_delay
	<<spec>> Minimum duration for which the DDS_DataReader will maintain information regarding an instance once its `instance_state` becomes DDS_NOT_ALIVE_NO_WRITERS_INSTANCE_STATE.

DDS_ReaderDataLifecycleQosPolicy	autopurge_disposed_samples_delay
	<<spec>> Minimum duration for which the DDS_DataReader will maintain samples for an instance once its `instance_state` becomes DDS_NOT_ALIVE_DISPOSED_INSTANCE_STATE.

DDS_TypeConsistencyEnforcementQosPolicy	kind
	<<spec>> Type consistency kind.

DDS_TypeConsistencyEnforcementQosPolicy	ignore_sequence_bounds
	<<spec>> Controls whether sequence bounds are taken into consideration for type assignability.

DDS_TypeConsistencyEnforcementQosPolicy	ignore_string_bounds
	<<spec>> Controls whether string bounds are taken into consideration for type assignability.

DDS_TypeConsistencyEnforcementQosPolicy	ignore_member_names
	<<spec>> Controls whether member names are taken into consideration for type assignability.

DDS_TypeConsistencyEnforcementQosPolicy	prevent_type_widening
	<<spec>> Controls whether type widening is allowed.

DDS_TypeConsistencyEnforcementQosPolicy	force_type_validation
	<<spec>> Controls whether type information must be available in order to complete matching between a DDS_DataWriter and a DDS_DataReader.

DDS_TypeConsistencyEnforcementQosPolicy	ignore_enum_literal_names
	<<spec>> Controls whether enumeration constant names are taken into consideration for type assignability.

DDS_DataTags	tags
	<<spec>> Sequence of data tags.