Fig. 8
From: The structure and behaviour of hierarchical infrastructure networks
The response of the eight graph models to the betweenness based node selection failure model method. Each response is plotted with the y-axis showing the number of components and the x-axis showing the % of nodes removed from the graph, and thus the most robust graphs would show a small number of components, with any increase shown to the right of plots as x tends away from 0. Plots (e), (f) and (h) show a lack of robustness to the node failures with peaks in component numbers to the very left of the plots, whereas the peaks are much further to the right in plots (a)–(d) indicating a slower rate of failure/fragmentation of the graphs. Plot (g) shows a unique behaviour of immediate fragmentation, but appears to then show some resilience to further node failures