RESUMONas últimas décadas aumentaram as discussões, publicações, métodos e ferramentas sobre gestão de projetos. Ao mesmo tempo, várias pesquisas buscam apontar as principais causas para fracassos em projetos, propiciando análises sobre as causas e criação de melhores práticas para auxiliar os profissionais a adquirirem maturidade e repetição de casos de sucesso. Diante da relevância do tema, este artigo descreve as principais abordagens do Capability Maturity Model Integration (CMMI) e as melhores práticas para gestão de projeto propostas pelo Project Management Institute (PMI) por intermédio do Project Management Body of Knowledge (PMBOK), com o intuito de compará-los e levantar requisitos para a eficácia no gerenciamento de projetos de software. Concluiu-se que tanto o PMBOK quanto o CMMI tem um enfoque em gerenciamento de projetos, porém a estrutura de ambos é diferente e se completam. O PMBOK proporciona processos adicionais de gerenciamento de projetos para o CMMI, uma vez que apresenta o planejamento de documentos, tais como o plano de comunicações, de maneira mais detalhada. Já o CMMI proporciona uma estrutura para o gerenciamento e a melhoria de processos, para as melhores práticas de engenharia de software, para o gerenciamento de dados e para a análise de decisões.Palavras-chave: Gestão de Projetos; Projeto de Software; CMMI; PMBOK. APPROACHES OF PMBOK AND CMMI ABOUT THE SUCCESS OF SOFTWARE PROJECTS ABSTRACTIn recent decades, discussions, publications, methods and tools for project management are increased. At the same time, several studies are pointing the main causes for failures on projects, providing analysis on the causes and creation of best practices to help professionals to acquire maturity and repeat successes. Given the importance of the theme, this article describes the main approaches maturity model in software development by the Capability Maturity Model Integration (CMMI) and the best practices for managing project proposed by the Project Management Institute (PMI) by means of the Project Management Body of Knowledge (PMBOK), in order to compare them and raising requirements for effectiveness in management software projects. It was concluded that both the CMMI and the PMBOK has a focus on project management, but the structure is different from both and complete each other. The PMBOK provides additional processes for project management to CMMI, since it presents the planning documents, such as the communications plan, in more detail. Already CMMI provides a framework for managing and improving processes for best practices in software engineering, for data management and decision analysis.
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