Cloud-based solutions should scale on demand. Meaning, if an application’s user demand reaches a specific threshold, one or more servers should be added dynamically to support the application. Likewise, when the demand decreases, the application should scale down its resource use. When an application uses multiple servers, one server, as shown in FIGURE 19-1, must perform the task of load balancing.
FIGURE 19-1 The load-balancing server distributes workload across an application’s server resources.
The load-balancing server receives client requests and distributes each request to one of the available servers. ...
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