"Providing the location of the backing services" doesn't mean the physical address, but the logical address, managed by an e.g. load balancer, capable of abstra

"Providing the location of the backing services" doesn't mean the physical address, but the logical address, managed by an e.g. load balancer, capable of abstracting over physical changes as necessary. Consul is one way to do it; DNS is another, and there are many more.