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- Load balancing is a technique to distribute workload evenly across two or more computers, network links, CPUs, hard drives, or other resources.
- One two of the most common applications of load balancing is to provide a single Internet service from multiple servers, sometimes known as a server farm.
- Examples of the latter include the Apache web server's mod_proxy_balancer extension and the Pound reverse proxy and load balancer.
- Where's your data? session on one server only rather than distribute a given client's requests to multiple server. Stateless webserver vs sticky webserver. "Persistence"