What is LB (load balancing)?

Load balancing is characterized as the deliberate and effective conveyance of network traffic across numerous servers. Each load balancer is located between customer gadgets and backend servers, getting and afterward circulating approaching requests to any accessible server fit for fulfilling them. Like, if a user has three application servers: the first client request to the first application server in the list, the second customer request to the second application server, the third customer request to the third application server, the fourth to the first application server, etc.