Cloud computing has been increasingly used in industrial environments. This decentralized computing architecture promotes cost reduction, reduces the time-to-market and improves flexibility. However, a common side-effect of this approach is an increase in latency. Fog-computing is an ideal solution to this latency-sensitive applications as it allows the edgedevices to carry out a substantial amount of computation locally. Reconfigurable architectures implemented in SoC-FPGAs meet those requirements, especially when Dynamic and Partial Reconfiguration (DPR) is used. Using DPR is challenging, however, as architectural design can be complex without supporting methodologies and architectural models. This work presents a methodology and a supporting architectural model for the application of Dynamic and Partial Reconfiguration in SoC-FPGAs targeting fog-computing applications to the industry 4.0. The methodology and architecture proposed have been applied with success to an illustrative example. Resumo: Recentemente, observa-se um crescimento da utilização de computação em nuvem na indústria. Esse modelo permite a descentralização da infraestrutura, reduzindo custos, diminuindo o time-to-market (TTM) e aumentando a flexibilidade. No entanto, um efeito colateral dessa abordagemé o aumento da latência. Para sistemas sensíveisà latência, fogcomputing se apresenta como uma solução ideal, pois parte da computaçãoé realizada nos dispositivos de fronteira. Arquiteturas reconfiguráveis implementadas em SoC-FPGAs mostramse eficientes para atender tais requisitos, especialmente quando empregada reconfiguração parcial e dinâmica. Uma dificuldade dessa abordagemé a complexidade do projeto que requer um suporte de metodologias e modelos de arquitetura adequados. Nesse trabalho apresenta-se uma proposta de arquitetura e de metodologia para aplicar a técnica de reconfiguração parcial e dinâmica em plataformas SoC-FPGAs em aplicações de fog-computing para indústria 4.0. A metodologia e arquitetura proposta são aplicadas com sucesso em um exemplo ilustrativo.
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