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capacity planning

Determining the required future configuration of hardware and software for a network, datacenter or website. There are numerous capacity planning tools on the market used to monitor and analyze the performance of the current hardware and software. However, capacity planning also requires insightful forecasting: what if traffic triples overnight; what if a company merger occurs, etc. As a result of all the analyses and forecasts, systems can be upgraded to allow for the projected traffic or be enhanced so that they can be ready for a quick changeover when required. See capacity on demand.

capacity on demand

Paying for extra processing power as needed. High-end servers may be designed with additional processors that normally remain unused. When customers activate these standby CPUs to handle a larger workload, they pay the vendor for the added processing power. IBM popularized capacity-on-demand (CoD) on its mainframes and then extended it to its iSeries and pSeries (AS/400 and RS/6000). See capacity planning.

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