ddsf:public:guidebook:06_append:02_quality_of_service:lifespan
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ddsf:public:guidebook:06_append:02_quality_of_service:lifespan [2020/09/21 16:21] murphy |
ddsf:public:guidebook:06_append:02_quality_of_service:lifespan [2021/07/14 15:55] (current) murphy ↷ Links adapted because of a move operation |
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| ====== LIFESPAN QoS Parameter ====== | ====== LIFESPAN QoS Parameter ====== | ||
| - | [[ddsf:private:cookbook:06_append:02_quality_of_service|return to the Quality of Service (QoS) Parameters ]] | + | [[ddsf:public:guidebook:06_append:02_quality_of_service:start|return to the Quality of Service (QoS) Parameters ]] |
| - | The LIFESPAN [[ddsf:private:cookbook:06_append:glossary:q:quality_of_service_qos_policies|QoS]] avoids delivering “stale” data to the application. | + | The LIFESPAN [[ddsf:public:guidebook:06_append:glossary:q:quality_of_service_qos_policies|QoS]] avoids delivering “stale” data to the application. |
| - | Each data sample written by the ''DataWriter'' has an associated ‘expiration time’ beyond which the data should not be delivered to any application. Once the sample expires, the data will be removed from the ''DataReader'' caches as well as from the transient and persistent information caches. | + | Each data [[ddsf:public:guidebook:06_append:glossary:s:sample|sample]] written by the ''DataWriter'' has an associated ‘expiration time’ beyond which the data should not be delivered to any application. Once the sample expires, the data will be removed from the ''DataReader'' caches as well as from the transient and persistent information caches. |
| The ‘expiration time’ of each sample is computed by adding the duration specified by the LIFESPAN QoS to the source | The ‘expiration time’ of each sample is computed by adding the duration specified by the LIFESPAN QoS to the source | ||
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| Source: [[https://www.omg.org/spec/DDS/1.4/PDF | DDS 1.4 Spec]] | Source: [[https://www.omg.org/spec/DDS/1.4/PDF | DDS 1.4 Spec]] | ||
| + | /**=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- | ||
| + | /* To add a discussion page to this page, comment out the line that says | ||
| + | ~~DISCUSSION:off~~ | ||
| + | */ | ||
| + | ~~DISCUSSION:on|Outstanding Issues~~ | ||
| + | ~~DISCUSSION:off~~ | ||
ddsf/public/guidebook/06_append/02_quality_of_service/lifespan.1600719715.txt.gz · Last modified: 2020/09/21 16:21 by murphy
