Load balancing is a technique used to distribute workloads evenly across multiple computing resources, such as servers, network links, or other devices, in order to optimize resource utilization, minimize response time, and maximize throughput. Here are the five fundamental uses of a Load Balancer.

1. High Availability & Fault Tolerance (The "Survival" Rule)

Hardware fails. Networks flap. Memory leaks happen. If you have one server and it dies, your business is dead