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CISTI'2017 - 12ª Conferência Ibérica de Sistemas e Tecnologias de Informação

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Sensitivity Analysis Techniques applied in Cloud Computing Environments

Nowdays, several streaming servers are available to
provide a variety of multimedia applications such as Video on
Demand in cloud computing environments. These environments
have the business potential because of the pay-per-use model, as
well as the advantages of easy scalability and, up-to-date of the
packages and programs. This paper uses hierarchical modeling
and different sensitivity analysis techniques to determine the
parameters that cause the greatest impact on the availability of
a Video on Demand. The results show that distinct approaches
provide similar results regarding the sensitivity ranking, with
specific exceptions. A combined evaluation indicates that system
availability may be improved effectively by focusing on a reduced
set of factors that produce large variation on the measure of
interest

Author(s):

Rosangela Maria de Melo    
UFPE/IFPE
Brazil

Maria Clara Bezerra    
UFPE
Brazil

Jamilson Dantas    
UFPE
Brazil

Rubens Matos    
UFPE
Brazil

Ivanildo de Melo Filho    
UFPE/IFPE
Brazil

Aline Santana Oliveira    
UFPE
Brazil

Fabio Feliciano Maciel    
IFPE
Brazil

Paulo Romero Martins Maciel    
UFPE
Brazil

 

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