In this paper, we present a proposal of a new internal structure for NetFPGA cards and its analysis. We propose to use a switching fabric instead of a single pipeline. Such a change complicates some modules and connects several of them into a single, more complicated module. Their functionality is the same,but the delay of the server Ethernet frame will be decreased.
Providing a flexible platform that also allows prototyping new network solutions opens new possibilities for designers, researchers and administrators. This solution are NetFPGA systems. Their additional advantage is the possibility of testing new networking protocols in a real heterogeneous environment. Until now, it has been mainly possible by using software tools such as, e.g. Opnet Modeler. Despite the very good mapping network environment in this type of solutions, it is necessary to carry out tests in the real network for their correct evaluation. The paper focuses on the analysis of the solution performance based on NetFPGA-1G cards as an alternative to the network nodes based on ASICs. Therefore a series of tests was carried out. They demonstrated the applicability of the platform in different layers of the network, e.g. access, aggregation, or core. Thus, the paper goal is to show the possibilities of using NetFPGA solutions in a network environment mainly of enterprise class.
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