NDLI: Distributed response time analysis of GSPN models with MapReduce

Content Provider	IEEE Xplore Digital Library
Author	Haggarty, O.J. Knottenbelt, W.J. Bradley, J.T.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput., Imperial Coll. of Sci., Technol. & Med., London (Haggarty, O.J.; Knottenbelt, W.J.; Bradley, J.T.)
Abstract	Generalised stochastic Petri nets (GSPNs) are widely used in the performance analysis of computer and communications systems. Response time densities and quantiles are often key outputs of such analysis. These can be extracted from a GSPNpsilas underlying semi-Markov process using a method based on numerical Laplace transform inversion. This method typically requires the solution of thousands of systems of complex linear equations, each of rank n, where n is the number of states in the model. For large models substantial processing power is needed and the computation must therefore be distributed. This paper describes the implementation of a response time analysis module for the platform independent Petri net editor (PIPE2) which interfaces with Hadoop, an open source implementation of Googlepsilas Mapreduce distributed programming environment, to provide distributed calculation of response time densities in GSPN models. The software is validated with analytically calculated results as well as simulated ones for larger models. Excellent scalability is shown.
Starting Page	82
Ending Page	90
File Size	589454
Page Count	9
File Format	PDF
ISBN	9781565553200
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-16
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Society for Modeling and Simulation International
Subject Keyword	Analytical models Laplace equations Stochastic systems Petri nets Performance analysis Power system modeling Distributed computing Delay Open source software Programming environments
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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