@kosh
Kosh: I'm guessing you haven't actually read the specification then. Less tunnelling and more encapsulation and while the concept is very simple it does solve a big problem very cheaply, efficiently and intelligently. Dynamic routing just doesn't do what this is intended to do unless you have a lot of physical interfaces and plenty of memory for VRFs = unnecessary complexity. Oh but there's MPLS/VPLS - similar yes but I can reap all the benefits of VXLANs even using a basic Netgear/D-Link/cheap switch (not that I would but I could).