cheesy really is a clown...
...or at least needs to read up on recent developments.
the MSDC crowd have already ditched the IGP and run a pure eBGP environment for their leaf/spine fabrics. Once you have a dense, and regular, topology BGP turns out to be a better choice than an IGP. They've also turned summarisation off (doesn't work out so well if you put all the spines in the same AS but don't connect them to each other).
but for the SP WAN you really do need a link-state IGP (i.e. OSPF or ISIS). The topology is just too sparse and irregular, to do otherwise.
and in terms of "route learning via conversational characteristics" we already figured that out years ago with LISP.
at any rate the guy from EA sounds like he's parroting what the Stanford "SDN" guys were saying a few years back. Had they been right OpenFlow might have taken over the world. Looks like it didn't work out that way...
Biting the hand that feeds IT
