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Practical Service Level Management: Delivering High-Quality Web-Based Services by Eric Siegel, John McConnell

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Measurement Validation and Statistical Analysis

The Internet and Web are extremely complex statistically. Invalid measurements and incorrect statistical analysis can easily lead to SLA violations and penalties, which may then fall apart when challenged by the service provider using a more appropriate analysis. Therefore, special care must be taken to discard invalid measurements and to use the appropriate statistical analysis methods.

Measurement Validation

Measurement problems, which are artifacts of the measurement process, are inevitable in any large-scale measurement system. The important issues are how quickly these errors are detected and tagged in the database, and the degree of engineering and business integrity that's applied to the ...

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