changed fields

sending only fields that have changed

Hi,

 

We are using RHEL7.5 and RTI DDS 5.3.1.

I've done some searching already.  I was wondering if it was possible for a datawriter to only send the fields that have changed in a message and a datareader to only act on those 'changed' fields.  Am I correct that this feature does not exist in RTI DDS currently?

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