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I had a look at ways of visualising bandwidth in an effective way on a network map. I am experimenting more with an idea that incorporates width, height and colour of edge sections. Where width codes the bandwidth utilisation percentage, height codes the actual throughput and the colour codes some categorical severity measure.


Coding the height of a line in a map that has zooming capabilities does not work well. I have tried scaling the line height in proportion to the current zoom level which seems to be working well.