-----Original Message-----
So how do you do it now? You use an IPIP tunnel (another type of VPN), nothing changes for the end user except, his tables get much smaller, she routes local 44.x.x.x traffic locally and uses an IPIP tunnel to a tier or border router.
So you're creating multiple new single points of failure. With your plan, I can get to a few other local gateways. Anything else has to go through this new single point of failure locally, plus, presumably, and another single point of failure near my destination. So most worldwide connectivity would now have to traverse two single points of failure that currently don't exist. This is good because ...?
Michael N6MEF