RTI Connext DDS Micro C API  Version 3.0.0
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max_message_size
NAME
UDP_InterfaceFactoryProperty::max_message_size
DESCRIPTION
The UDP_InterfaceFactoryProperty::max_message_size resource-limit limits the size of the maximum message that can be received.
NOTES
RTI Connext DDS Micro Secure does not support RTPS fragmentation. Thus, this resource-limit must be at least large enough to receive the largest serialized data-type plus overhead. A reasonable rule-of-thumb for overhead is 256 bytes.
The UDP transport allocated on buffer for each resource in DDS_DomainParticipantResourceLimitsQosPolicy::max_receive_ports. Thus, the total amount of memory is (max_message_size * max_receive_ports)

RTI Connext DDS Micro C API Version 3.0.0 Copyright © Fri Mar 22 2019 Real-Time Innovations, Inc