Abstract
To access the Internet, companies define a Service Level Agreement (SLA) with Internet Service Providers (ISPs). Nevertheless, the current Internet does not assure Quality of Service (QoS), what points toward the concept of virtual networks (VNs) and software defined network (SDN) to support the Future Internet. Moreover, the VN and SDN approaches can be mixed creating the Virtual Software Defined Network (VSDN), which enhances the customization capacity of the networks. Based on this context, this work proposes a similarity metric and a fuzzy decision-making model (FDMM) to support the VSDN negotiation. Experiments show the effectiveness of the proposal in providing the clients with a mechanism to compare protocols offered by providers, allowing them to identify which one best fulfills the requirements.
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