Method, system and article of manufacture for an analytic...

Details Method, system and article of manufacture for an analytic... Method, system and article of manufacture for an analytic...

2006-08-29

2006-08-29

Phan, Thai (Department: 2128)

Data processing: structural design, modeling, simulation, and em

Simulating electronic device or electrical system

Software program

C703S002000, C703S021000, C703S025000, C709S235000, C710S021000

Reexamination Certificate

active

07099816

ABSTRACT:
The present invention discloses a method, system and article of manufacture for performing analytic modeling on a computer system by handling a plurality of predefined system criteria directed to a modeled computer system. The present invention provides means for the user of an analytic model to specify (i.e. enable) any number of predefined system criteria that must all be simultaneously satisfied. The modeling methodology uses a variation of the well-known Mean Value Analysis technique in its calculations. Response times, resource utilizations, and resource queue lengths are initially estimated for a small user arrival rate. An iterative method is used to gradually increase the user arrival rate by a constant value. For each iteration, response times, resource utilizations, and resource queue lengths are calculated. Then for all the criteria, which have been enabled, it is checked to see if the value limits specified for those criteria have exceeded. If not, the model calculation results are saved and next iteration is started. The model iterations continue with a gradually increasing user arrival rate until one or more of the modeling criteria are exceeded. At that time the model outputs the results from the previous iteration (i.e. the saved results where all the criteria were still satisfied), and the modeling calculations are finished. The model results may be used as input for further processing.

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