Business-Driven Design of Infrastructures for IT Services |
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Authors: | Jacques P. Sauvé Antão Moura Filipe T. Marques |
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Affiliation: | 1. Department of Systems and Computing—DSC, Federal University of Campina Grande—UFCG, Av. Aprígio Veloso, 882, 58109-970, Campina Grande, PB, Brazil 2. Unidade de Desenvolvimento de Software da Paraíba—UDPB, Empresa de Tecnologia e Informa??es da Previdência Social—DATAPREV, Jo?o Pessoa, Brazil
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Abstract: | A methodology for designing data center infrastructure for Information Technology (IT) services is developed. The main departure from existing methodologies is that it evaluates and compares alternative designs using business metrics rather than purely technical metrics. Specifically, the methodology evaluates the business impact (financial loss) imposed by imperfect infrastructure. The methodology provides the optimal infrastructure that minimizes the sum of provisioning costs and business losses incurred during failures and performance degradations. Several full numerical example scenarios are provided and results are analyzed. The use of the method for dynamically provisioning an adaptive infrastructure is briefly discussed. |
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