RTI Core Libraries and Utilities

RTI Connext DDS allows you to use different transports for communication between endpoints in your application (e.g., shared memory, UDP, TCP, etc.). You can take advantage of this flexibility and use different transports for discovery data and user data in the same application. This article shows ...
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In the Connext DDS modern C++ API, many entities are "reference types" with an automatic lifecycle management based on a shared count (see API documentation ) . Most times you don't need to worry about deleting entities as long as their scope is well defined. However, some times you can forget to ...
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Note: Applies to RTI Connext DDS 5.2.0 and above. RTI Code Generator has an option called -dllExportMacroSuffix <suffix> , which allows you to configure the macro suffix used to export type plugin symbols when building a Windows DLL. This feature is particularly useful if you want to place ...
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Wireshark and tcpdump are very powerful tools which you can use to capture traffic. They may come in handy when debugging issues with your DDS applications. These tools can capture all kinds of packets: RTPS, UDP, TCP, IP… However, they cannot capture traffic if your applications are communicating ...
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If you are using Reliable communication, you could see a performance degradation due to packet loss and resending data sample fragments. This is more probable when using data bigger than 1500 Bytes (over Ethernet). In general, a DDS application using a transport such as UDPv4 splits data samples ...
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What is IP fragmentation? IP Fragmentation occurs when the payload provided from the transport layer (typically UDP or TCP) exceeds the maximum payload that fits in a single Ethernet Frame (a.k.a. MTU). When the receiver NIC gets IP fragments, it stores them in a buffer until all the fragments are ...
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DSCP (Differentiated Services Code Point) is a series of bits in the IP header for classification purposes. These bits specify the precedence value of the packet, the drop probability, and the network service used. ...
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The error "RTI Data Distribution Service No source for License information" happens when the license file cannot be found or the license has expired. If that is the case, the user application will be unable to initialize Connext DDS, depending on the terms of the license. You can trigger this error ...
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GCC 5.1 introduced a new version of libstdc++ with a library ABI that includes new implementations of std::string and std::list (see in GCC online documentation). This new ABI breaks backwards compatibility with applications and libraries linked against older versions of libstdc++ using std::string ...
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It is possible to create an Entity (a DataReader , DataWriter, or DomainParticipant ) with a QoS profile defined in the USER_QOS_PROFILES.xml file. In the Java, C, Traditional C++ and .NET APIs, there are methods such as: DDS_Publisher_create_datawriter_with_profile() Depending on what kind of ...
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