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The Internet infrastructure has not evolved uniformly over the years. The middle layers did not get the same evolution if compared to the Application requirements and hardware equipment capabilities. Some aspects such as Quality of Service, Mobility, Multihoming, and Multicast transmissions are not quite understood by the Transport and Network layers. Trying to fill in the gap between layers, the Software Defined Networks introduce programmability to the infrastructure. In this context, the Entity Title Architecture (ETArch) proposes an addressing scheme to overcome multicast and mobility issues. Nevertheless, service delivery in this architecture can still be optimized by adding some kind of flexibility to the Link level, right where the hardware and software interface each other in network functions implementations. In this context, this research builds a medium access control programmable mechanism, in a Workspace-oriented SDN Switch, that meets the parameters of flexibility and performance to create, modify and delete Workspace-based multicast connections in the ETArch data plane. The developing process involves specifying the Switch requirements, designing and prototyping in FPGA a set of hardware modules and mechanisms to be combined and provide programmability to the forwarding plane.

Um novo método de acesso ao meio baseado em Workspaces para suporte a arquiteturas de Internet do Futuro implementado em FPGA