Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2008-05-06
2008-05-06
Barlow, Jr., John E. (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
C702S182000
Reexamination Certificate
active
07369967
ABSTRACT:
The present invention provides a method for modeling the performance of a system comprising computer software operating on computer hardware. In accordance with the present invention, system performance is modeled by fitting non-linear curves to data points for system performance parameters, such as response time and throughput, as a function of load. Data points may be measured in testing may be measured through monitoring a system operating in a production environment. While a variety of non-linear curves may be used in accordance with the present invention, a logarithmic curve may be used to model system throughput and an exponential curve may be used to model system response time. By defining a relationship between throughput and response time a distance may be calculated between the curves, and this distance may be used to determine an optimal load. Additionally, a graph displaying both throughput and response time as a function of load may be displayed to a system operator in a graphical user interface to facilitate the evaluation of system performance.
REFERENCES:
patent: 6269401 (2001-07-01), Fletcher et al.
patent: 6973415 (2005-12-01), Saghier et al.
patent: 7082381 (2006-07-01), Saghier et al.
Farrell Brian Paul
Greenberg Bryan
McCarty John
Washburn Brian John
Weber Mike S.
Barlow Jr. John E.
Sprint Communications Company L.P.
Washburn Douglas N
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