Re: Reduce zenmap topology noise (patch)

[David Fifield <david () bamsoftware com>]

On Wed, Dec 14, 2011 at 10:51:28AM +0100, Anders Sundman wrote:
> Hi,
>
> When running many traceroutes that traverse the same "anonymous" hop
> between two known hosts, zenmap creates a new node in the graph for
> each traceroute. This introduces a lot of unnecessary clutter in the
> graph. 200 traceroutes passing 2 (physical) anonymous devices
> currently generates 400 nodes in the topology graph.
>
> Sure, it might be a new physical anonymous device each time, but it
> most likely isn't. Even if it is, I don't think it makes sense to
> represent them as two distinct nodes (since there is no way to tell
> them apart).
>
> I suggest combining nodes in the graph that represent anonymous hops
> between two known devices.
>
>          / anon_1 \
> ..-> ip_a          ip_b -> ..  => .. -> ip_a -> anon_1 -> ip_b -> ..
>          \ anon_2 /
>
>
> Here is a patch implementing this behavior:
>
> http://www.4zm.org/files/2011/integration.py.diff

I think I see what this is supposed to be doing, but it didn't work when
I tried it. Here's an XML traceroute file and a graphic of what I'm
seeing.

David Fifield

Attachment: trace-anon.xml
Description:

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