Uma Análise de Algoritmos de Otimização projetados para cumprir totalmente com SLA em Computação em Nuvem (An Analysis of Optimization Algorithms designed to fully comply with SLA in Cloud Computing)

Luis Hideo Vasconcelos Nakamura (nakamura@icmc.usp.br)3, Leonildo José de Melo de Azevedo (leonildo.azevedo@usp.br)3, Bruno Guazzelli Batista (brunoguazzelli@unifei.edu.br)1, Rodolfo Ipolito Meneguette (meneguette@ifsp.edu.br)2, Claudio Fabiano Motta Toledo (claudio@icmc.usp.br)3, Julio Cezar Estrella (jcezar@icmc.usp.br)3, Stephan Reiff Marganiec (srm13@le.ac.uk)4, Regina Helena Carlucci Santana (rcs@icmc.usp.br)3, Marcos José Santana (mjs@icmc.usp.br)3


1Universidade Federal de Itajubá (UNIFEI)
2Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP-Catanduva)
3Universidade de São Paulo (USP)
4University of Leicester

This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2017
Volume: 15,   Issue: 8 
ISSN: 1548-0992


Abstract:
Nowadays the access to a cloud computing environment is provided on-demand offering transparent services to customers. Although the cloud allows an abstraction of the behavior of the service providers in the infrastructure (involving logical and physical resources), it remains a challenge to fully comply with the Service Level Agreements (SLAs), because, depending on the service demand and system configuration, the providers may not be able to meet the requirements of the customers. There is a need for mechanisms that take account of load balancing algorithms to provide an efficient load distribution with the available resources. However, the studies in the literature do not effectively address the problem of the availability of resources to meet customers' requirements with analysis restricted to a limited set of objectives. This paper proposes algorithms to address the need for optimization when handling computational resources during the execution time. The methods optimizes the efficient use of the resources available in the infrastructure aiming to comply with the service level agreements defined between client and provider.

Index Terms:
Optimization, SLA, Cloud Computing, IaaS, Provision of resources   


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