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Content Delivery Networks (CDN) are witnessing the outburst of video streaming (e.g., personal live streaming or Video-on-Demand) where the video content, produced or accessed by mobile phones, must be quickly transferred from a point to another of the network. Whenever a user requests a video not directly available at the edge server, the CDN network must 1) identify the best location in the network...
SDN controllers include mechanisms to globally reconfigure the network in order to quickly respond to a changing environment. However, the reconfiguration of the network affects the QoS of data connections. This demo presents an architecture for the SDN controller where a control policy operates on top of an iterative routing solver to dynamically decide whether to reconfigure the network. The control...
By separating control and data planes, Software-Defined Networks (SDN) pave the way to a plethora of online routing mechanisms that react instantaneously to sudden traffic variation and network failures. In this paper, we introduce a dynamic routing system where these online mechanisms strive to solve an optimization instance that constantly evolves due to new arrivals and departures as well as network...
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