HOWTOs

This page contains a set of short informal recipes to help you solve common challenges you may face when using RTI Connext DDS. This recipes include topics such as configuring favorite IDE to work with our libraries, tuning the performance of your application, or configuring your firewall to let DDS traffic through.

You can contribute by commenting on existing HOWTOs or creating your own here (requires logging in).

Statically configure a Firewall to let OMG DDS Traffic through

There are various strategies that can be used to have DDS applications communicate between each other despite the fact that one or more of these applications are protected by a firewall. This HOWTO focuses in the situation where there is a desire to use static configuration (i.e. manually open specific ports or multicast addresses in the firewall) and the applications are protected with Firewalls but are not behind Network Address Translators (NATs).
Gerardo Pardo
Tue, 12/04/2012 - 10:54
42214 reads — 1 comment

HOWTO Use DDS on Xenomai: Configure Xenomai and Run RTI Connext DDS

Xenomai is a real-time development framework that provides interface-agnostic hard real-time support to user-space applications in a Linux environment. The purpose of this HOWTO is to describe the installation and configuration of a Xenomai environment to develop applications using RTI Connext DDS.
Fernando Garcia
Wed, 11/14/2012 - 14:48
23925 reads — 2 comments

Detect the presence of DomainParticipants, DataWriters and DataReaders in the DDS Domain

DDS has a built-in discovery service. This means it can automatically detect the presence of other DDS applications and their entities, that is DomainParticipants, DataWriters, DataReaders, Topics, as they appear and disappear from the DDS domain.
Gerardo Pardo
Wed, 08/29/2012 - 09:22
20006 reads — 4 comments

Configure RTI Connext DDS to not use Multicast

By default RTI Connext DDS will use multicast to discover other DDS Participants in the network. This post explains how to disable multicast in your applications.
Gerardo Pardo
Mon, 08/27/2012 - 06:07
22744 reads — 1 comment

DDS development on Mac OS using XCode 4

Step by step instructions to setup XCode to develop DDS applications. The installation of DDS comes with many sample application code in the $NDDSHOME/example folder. We will use the Hello_simple C application as an example, and we will setup the XCode environment to build and run the publisher of Hello_simple
Ronald
Tue, 06/14/2011 - 13:46
9069 reads — 0 comments

QoS policies for configuring reliability

DDS provides a reliability protocol that can be tuned for optimum performance on a per data stream basis. The reliability protocol is configured and tuned by these QoS policies: Reliability, History, Resource Limits, DataWriter Protocol, and DataReader Protocol.
heidi
Wed, 10/27/2010 - 13:55
31791 reads — 1 comment

Proper use of WaitSets and Conditions

I have noticed in our support forums a common question regarding the use of WaitSets and the fact that sometimes they don't behave as people initially expect. Often the question is posed along the lines of "Why does my WaitSet not block? Why does my subscriber using WaitSets consume so much CPU?

Gerardo Pardo
Sun, 08/29/2010 - 17:20
14731 reads — 2 comments

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