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Once the function, behaviour type and usage pattern data have been provided the model starts to produce useful information based on its estimations. The most important of this is the daily function usage estimation. This information is presented on the “Estimated Function Demand” sheet within the model, and provides as estimate, by year, of the average daily usage for each function. This is then used to provide an estimate of the average and peak operations per second for the system. Continue reading ‘Example: User demand estimation’ »

The process of assuring the performance of systems can be expensive. The costs involved can include software development, implementation and maintenance of monitoring systems and hardware investment. It can be easy to forget, however, that a system that performs well has higher value to the business than one that performs badly. Thus, if there is no critical performance problem that needs resolution it can be seen as an ineffective use of resources. Continue reading ‘The value of performance assurance’ »