On 07/09/2010 09:55 AM, Harald Welte wrote:
Hi!
The bent/curved arrows are a result of graphviz trying
to indicate
that the message is between e.g. MS and MSC and 'bypasses' BTS and BSC.
I'm still waiting for somebody with more graphviz skills to make this an
option.
I think the reason is more that the edges that make up the verical line are
not equally sized. E.g. this can be seen when removing the rank=same.
holger