An optimization for establishing of service level agreement in cloud computing

• Grant number: 16/14219-2
• Support Opportunities: Scholarships abroad - Research Internship - Master's degree
• Start date: September 01, 2016
• End date: February 28, 2017
• Field of knowledge: Physical Sciences and Mathematics - Computer Science - Computer Systems
• Principal Investigator: Júlio Cézar Estrella
• Grantee: Leonildo José de Melo de Azevedo
• Supervisor: Stephan Reiff-Marganiec
• Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
• Institution abroad: University of Leicester, England
• Associated to the scholarship: 15/11623-4 - Development and evaluation of optimization algorithms for the performance of cloud service level agreements, BP.MS

Abstract

Nowadays the access to a cloud computing environment is provided on-demand offering transparent services to customers. Although the cloud enterprise systems allow 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 QoS (Quality of Service) demands, the providers may not be able to meet the proper 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, in other words, there is a need for an efficient management of cloud computing 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. In the master-thesis project linked to this research proposal, an optimization framework is proposed. This framework is used only in case of violations in the SLA, after the SLA be established. According to this research finding until now, it was observed that most of the newly established SLAs showed violations in the agreement, thus, it identified the need for an optimization before the SLA be established.

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

DE MELO DE AZEVEDO, LEONILDO JOSE; ESTRELLA, JULIO CEZAR; MOTTA TOLEDO, CLAUDIO FABIANO; REIFF-MARGANIEC, STEPHAN. A Multi-Objective Optimized Service Level Agreement Approach Applied on a Cloud Computing Ecosystem. IEEE ACCESS, v. 8, p. 122469-122479, 2020. (13/07375-0, 15/11623-4, 16/14219-2)

DE AZEVEDO, LEONILDO J. M.; ESTRELLA, JULIO C.; NAKAMURA, LUIS H. V.; SANTANA, MARCOS J.; SANTANA, REGINA H. C.; TOLEDO, CLAUDIO F. MOTTA; BATISTA, BRUNO G.; REIFF-MARGANIEC, STEPHAN. Optimized Service Level Agreement Establishment in Cloud Computing. COMPUTER JOURNAL, v. 61, n. 10, p. 1429-1442, OCT 2018. (11/12670-5, 15/11623-4, 16/14219-2)