ROS 2 Jazzy introduced the new Gazebo modern simulator, replacing Gazebo Classic.

ROS 2, Jazzy distro, introduced the new Gazebo modern simulator, replacing Gazebo Classic.

Source: https://time.com/7200212/person-of-the-year-2024-donald-trump/

Example of ros2 run command that use to run/launch talker and listener (executable name) from demo_nodes_cpp (package_name)

ros2 run demo_nodes_cpp listener

ros2 run demo_nodes_cpp talker

Source code

Node Graph incase running demo_nodes_cpp for listener and talker executable names

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Communication with discovery servers can be split to create virtual partitions in the discovery information. This means that two endpoints will only know about each other if there is a shared discovery server or a network of discovery servers between them. We are going to execute an example with two independent servers. The following figure shows the architecture.

The Fast DDS Discovery Server allows creating a server with backup functionality. This allows the server to restore the last state it saved in case of a shutdown.

By using fastdds tool, multiple discovery servers can be created. Discovery clients (ROS nodes) can connect to as many servers as desired. This allows to have a redundant network that will work even if some servers or nodes shut down unexpectedly. The figure below shows a simple architecture that provides server redundancy.

Talker and Listener do communicate OK with remap node is fastdds discovery server

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Computer Vision + Robot Operating System (ROS 2) + Natural Language Processing service + Generative AI Chatbot +  Machine Learning + Mobile App + Web App? Yes, I do provide!

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ros2 is OK look like

fastdds is OK look like

Computer Vision + Robot Operating System (ROS 2) + Natural Language Processing service + Generative AI Chatbot +  Machine Learning + Mobile App + Web App? Yes, I do provide!

Call me: +84854147015

WhatsApp: +601151992689

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Clip

Clip: Install ROS 2 ok on Ubuntu 24.04.1 on VirtualBox - also run well fastdds and rqt

Test with turtlesim simulator

Node Graph is OK on Ubuntu 24.04.1 on VirtualBox

Computer Vision + Robot Operating System (ROS 2) + Natural Language Processing service + Generative AI Chatbot +  Machine Learning + Mobile App + Web App? Yes, I do provide!

Call me: +84854147015

WhatsApp: +601151992689

https://amatasiam.web.app

Email: ThomasTrungVo@Gmail.Com
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