We certainly have to have physical addressing. (Else, how am I to find your house when you invite me over for a beer?) I'm only suggesting that we should have

We certainly have to have physical addressing. (Else, how am I to find your house when you invite me over for a beer?) I'm only suggesting that we should have a standard way of abstracting over it, such as we do for IP numbers. Perhaps there should be a protocol like DNS for physical addresses.