7.2. Capacity Planning and Adequate Capacity
Capacity planning is the process of predicting when future load levels will saturate the system and of determining the most cost-effective way of delaying system saturation as much as possible [6] [7]. Future load levels are generally a function of a combination of three factors: natural evolution of existing workloads, deployment of new applications and services, and changes in customer behavior. This last factor includes traffic surges due to new situations (e.g., breaking news, TV ad campaigns, or the release of a new product) as well as changes in customer navigational patterns due to the availability of new business functions. Prediction is key to capacity planning because one needs to be able ...
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