Firewalls em Redes Definidas por Software: Estado da Arte
Resumo
Redes Definidas por Software, ou SDNs, representam um novo paradigma onde o controle da rede é logicamente centralizado. Este novo paradigma vem transformando o modo de pensar e gerir as redes, incluindo mudanças significativas na engenharia de tráfego e controle da topologia da rede, por exemplo. Serviços de segurança, como firewalls, também podem tirar proveito da flexibilidade oferecida pelas SDNs, como de fato de ocorrido. O objetivo deste trabalho é apresentar e discutir uma revisão do estado da arte sobre firewalls em SDNs, buscando identificar padrões que possibilitem classificar as soluções existentes quanto a sua arquitetura e modos de operação e, também, identificar oportunidades e desafios de pesquisa.
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