Packet routing? If there is an example of this, it is very far from the norm. Routing on the Internet is driven first and foremost by peering arrangements.
No one I know of, from the last time I did check on this topic. However, it seems possible to plug ML on top of something like OpenFlow. PM me if interested to look this up further.
Thanks. I was mostly interesting in seeing a source for maaku's statement of "Now ask yourself how decisions are made regarding new infrastructure deployments", as it seemed pretty condescending to me.