никакие хапрокси и плавающие адреса не нужны папету
Using a hardware load balancer
You can also use a hardware load balancer or a load-balancing proxy webserver to redirect requests more intelligently. Depending on your configuration (for instance, SSL using either raw TCP proxying or acting as its own SSL endpoint), you might also need to use other procedures in this document.
Configuring a load balancer depends on the product, and is beyond the scope of this document. как один из вариантов тратегии из офф доки