Dynamic Controller Provisioning in Software Defined Networks

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Provided by: University of Washington School of Public Health & Community Medicine
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Format: PDF
Software Defined Networking (SDN) has emerged as a new paradigm that offers the programmability required to dynamically configure and control a network. A traditional SDN implementation relies on a logically centralized controller that runs the control plane. However, in a large-scale WAN deployment, this rudimentary centralized approach has several limitations related to performance and scalability. To address these issues, recent proposals have advocated deploying multiple controllers that work cooperatively to control a network. Nonetheless, this approach drags in an interesting problem, which the authors call the Dynamic Controller Provisioning Problem (DCPP).
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