Lot's of discussions are going on in the internet on possibilities to scale agile. There are various frameworks, which are gaining more and more popularity. This post points to one of the discussions at Agile Uprising on the topic.
At Agile Uprising a great discussions has been spawned off on the future of agile. It feels to me the discussion at some points is too much about complaining about missing understanding and support again. Thereby, it is us who can change!