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Due to its simplicity, transparency and performance, Flow Visor takes it all in today's virtualization tools for OpenFlow networks. We argue that this effectiveness comes at the price of intolerance towards diverse OpenFlow versions used simultaneously and also limited switch functionality. What is more Flow Visor based management frameworks cannot run and configure the network controllers. In this...
OpenFlow is the most promising architecture for future Software Defined Networks (SDNs). However, from the aspects of large-scale or carrier-grade networks, it still lacks some key components. For example, QoS (Quality of Service) provisioning is an indispensable part of such production networks. During the evolution of the OpenFlow standard, some QoS capabilities have been added to the protocol,...
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