large data

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Last seen: 1 year 7 months ago
Joined: 12/26/2014
Posts: 2
large data

i want to know how DDS 5.1.0  send largedata ? and Dose DDS 5.1.0 automactic substract message? 

i create data,which max size is 1M  > udp message max size 63K .when i use writer to send data,i found data has been send ,but writer qos and publisher qos are DDS 5.1.0 default.

 this is not compatible to uersmanual section 6.4 .

thank you.


Gerardo Pardo's picture
Last seen: 1 week 22 hours ago
Joined: 06/02/2010
Posts: 601


DDS will automatically fragment and re-assemble large data. SO you do not have to worry about this. The only thing is that you may want to use a FlowController to throttle the rate at which data it put on the network.

There is an example application that sends large data in the File Exchange. You can access it at this link: (