Definition Edit

Load balancers

distribute HTTP requests over multiple Web servers, allowing organizations to increase the capacity of their Web site by transparently adding additional servers.[1]

Overview Edit

"Load balancers act as virtual servers, receiving all HTTP requests to the Web site. These requests are forwarded, based on the load balancer’s policy, to one of the servers that hosts the Web site. The load balancer’s policy attempts to ensure that each server receives a similar number of requests. Many load balancers are capable of monitoring the servers and compensating if one of the servers becomes unavailable."[2]

References Edit

  1. NIST Special Publication 800-44, at 8-12.
  2. Id.

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