Solutions

Using Dynamic or Static Libraries with DDS Secure

When you link your application with the RTI Connext DDS libraries, you can choose whether to use dynamic or static linking. But what is the best approach if you want to use the DDS Secure plug-in? There are some situations that you need to be aware of and avoid. This article describes the possible ...
fabrizio
Wed, 03/27/2019 - 09:34
4805 reads — 0 comments

Why am I receiving LOST_BY_WRITER?

You can find the definition of “LOST_BY_WRITER” in the API: “ A DDSDataWriter removed the sample before being received by the DDSDataReader. This constant is an extension to the DDS standard. ” If you are using KEEP_LAST as the History kind , the reason for this data loss might be the following: ...
isabel
Fri, 03/22/2019 - 00:51
4436 reads — 0 comments

When do I need to send TypeCode or TypeObject?

Note: Applies to Connext DDS 5.x and above Sending TypeCode/TypeObject on the wire provides convenience over specifying the type via XML configuration, but has the disadvantage that more data must be sent during endpoint discovery. This can cause network congestion problems when the TypeCode/ ...
grayson
Thu, 03/14/2019 - 11:48
5177 reads — 0 comments

Checking TCP Connections

The following three configurations are related to detecting issues on the TCP connections. Although they seem similar, they enable different features with subtle differences. Connection Liveliness When the Connection Liveliness feature is enabled, RTI TCP Transport Liveliness Request and Response ...
isabel
Mon, 03/11/2019 - 09:24
2694 reads — 0 comments

Under which circumstances will Connext DDS send non-user data?

When we call DataWriter::write() , we expect to see a user data packet sent on the wire, but under what conditions will Connext DDS send packets of its own accord? There are many reasons why Connext DDS may send messages other than user data. Some of the more common reasons are described below. ...
samr
Mon, 03/04/2019 - 05:48
4424 reads — 0 comments

Updated 5.3.x Security Files

The identity certificates that were shipped with Connext 5.3.1 expired on February 16th, 2019. Therefore, creating a DomainParticipant that tries to use those certificates will fail and will report different problems. This solution documents the most common error messages and provides a set of new certificates, private keys, signed governance, and signed permissions documents valid through February 2029. ...
yusheng
Wed, 02/13/2019 - 13:53
3581 reads — 0 comments

How to use DDS Secure logging

When using RTI Security Plugins, secure logging stores information about security events. This information can be provided via the standard output or log file, or distributed over DDS. The information is different between the two methods. Standard output or output file When Secure logging is ...
migueltorres
Wed, 02/13/2019 - 10:02
5735 reads — 0 comments

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