Draw the network by specfying the nodes( double click ), links between them( Ctrl-Click on first node and Ctrl-Click on the second one ), traffic classes ( Shift-Click on first node and Shift-Click on the second one.
You can delete nodes and links at any time by double clicking with right mouse button on them.
You can compute the parameters of your network by choosing "Evaluate". To modify some parameters try the adjustables on the right panel.
To load and save networks that you are drawing, use "Load" and "Save" buttons.
You can also download one of our examples: