Future Internet Architecture

Look at: Future Internet Architecuture
Also found at:
by Rexford and Dovrolis, CACM Sept 2010. What do you think? In particular:

Do you see the Internet as
"a minimalist network providing a simple best-effort packet-delivery service...." Vol6, number 4, Dec 2003

Do you agree that
" a clean-slate design process could remain free of the considerable minutiae of today's protocols and operational practices"

What about
"identify existing ...problems...under two major constraints: first, backward compatibility (interoperate smoothyly with the legacy Internet architecture),....."