What is a Load Balancer? A load balancer acts as the “traffic cop”
sitting in front of your servers and routing client requests across
all servers capable of fulfilling those requests in a manner that
maximizes speed and capacity utilization and ensures that no one server
is overworked, which could degrade performance.
If a single server goes down, the load balancer redirects
traffic to the remaining online servers. When a new server
is added to the server group, the load balancer automatically
starts to send requests to it.