ah, some how that wasn't so clear. Clever idea, but how do you distribute load across your front-end servers (or whatever is your actual public facing service)

ah, some how that wasn't so clear. Clever idea, but how do you distribute load across your front-end servers (or whatever is your actual public facing service)? Do you still rely there on a load balancer or round-robin DNS? I guess I'd be concerned about how to scale those instances in response to demand..