Network congestion during disasters and big events is a major issue, especially in metropolitan areas. Although different network operators have their own strategies to address such types of incidents, a smarter and more efficient way to address such situations is needed for Smart Cities. In this paper, we propose SPArTaCuS, a framework to prioritize network traffic adaptively for such situations for smart cities using a software-defined network (SDN) approach, where services that require priority are placed in virtualized networks and the mechanism is accomplished through a priority management layer in SDN architecture.
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Abhishek et al. (2016) studied this question.