Figure 9
![Figure 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1687-1499-2012-114/MediaObjects/13638_2011_Article_328_Fig9_HTML.jpg)
IPv6 addressing in TWCS. The upper plane shows the network as perceived by communicating nodes at the wayside at the RST, while the lower plane reveals the actual routing over the TWCS tunnels.
IPv6 addressing in TWCS. The upper plane shows the network as perceived by communicating nodes at the wayside at the RST, while the lower plane reveals the actual routing over the TWCS tunnels.