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IBM WebSphere: Deployment and Advanced Configuration by Roland Barcia, Keys Botzum, Tom Alcott, Bill Hines

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Edge Devices

Load Balancers

Load balancers do pretty much what the name implies. They forward traffic following some load balancing algorithm from a source to multiple destination servers over various protocols. Typically, the load balancer is acting as a single point of presence to multiple backend servers, distributing the request load among them to optimize the performance of the infrastructure. They can use simple, round-robin type algorithms or preset “weights” to determine which server each request should go to. In a more advanced configuration, they can use sophisticated mechanisms that determine which of the group of servers they are balancing is most able to handle the next request. If you are assigning static weights, and some of the ...

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