DDS_ReliabilityQosPolicy Struct Reference

Indicates the level of reliability offered/provided by the Entity. If kind is RELIABLE_RELIABILITY_QOS, then the middleware will attempt to deliver all samples in the history cache. If samples are not received, then they will be retried. More...

Data Fields
DDS_ReliabilityQosPolicyKind	kind
	reliability kind
struct DDS_Duration_t	max_blocking_time
	maximum blocking time

Detailed Description

Indicates the level of reliability offered/provided by the Entity. If kind is RELIABLE_RELIABILITY_QOS, then the middleware will attempt to deliver all samples in the history cache. If samples are not received, then they will be retried.

A kind of BEST_EFFORT_RELIABILITY_QOS indicates that the middleware does not need to retry delivery of data samples.

The samples available in the history cache are affected by the HistoryQosPolicy, ResourceLimitsQosPolicy, and the DurabilityQosPolicy.

Note: If samples are removed from the history cache, then they are not be available to be resent.

See also

HistoryQosPolicy

ResourceLimitsQosPolicy

DurabilityQosPolicy