ROS2 Communication Mechanisms 01 — the Core Content

Brief

These are the notes on the core content of ROS2 communication mechanisms, which covers the four communication methods commonly used inside ROS2:

• Topics (topic communication)
• Services (service communication)
• Actions (action communication)
• Parameters (parameter service)

For the specifics — hardware, software, technical background and so on — please refer to A Brief Introduction to the ROS2 Learning Notes Collection

Important

This article was translated by Hermes Agent; the original text can be found at here. The translation is for reference only. Translation time: 2026-11-05