This section describes how the Winter Train is realized, including:
- Which hardware is used to implement the designed functionality.
- The software needed and how it is organized
- How application data is organized and where it is stored.
- Communication protocols with packet specification
The figure to the right provides an overview of the modules forming the Winter Train v3. The structure is similar to earlier versions. In the upper left corner of each box is shown which type of hardware is used. Each module, the radio network and the wired networks are described in the following: