Load balancers are highly specialized and often quite expensive pieces of network data center hardware. They are used to
balance the load of network traffic among a cluster of computers. The are most commonly used load balance internet
traffic among web servers. Load balancers provide a single point of network traffic for multiple computers and can
route traffic amongst them intelligently to prevent overload or detect the failure of any single server in the cluster.
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Important features to look for in a hardware load balancer below. A quality network load balancer will have most if not all of these features built-in.