Measurement Levels
Measurements can be classified into several levels. Data from lower levels is aggregated and merged with new data as more valuable higher level measurements are produced.
Business operations
Business workloads are broad-based and are not only computer oriented. Use a form that makes sense to managers and non-technical staff to represent the part of the business that is automated by the computer system.
Applications
The business operation can be broken down into several applications such as sales and distribution, e-commerce web service, email, file, and print. Examples of application-specific measurements are order entry rate, emails relayed, and web server response time.
Users
Each class of user interacts with several applications. ...
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