An OpenFlow-assisted framework for peer-to-peer live streaming

In this paper, we propose an OpenFlow-assisted framework for P2P (peer-to-peer) live streaming, which incorporates an OpenFlow-assisted architecture and an OpenFlow-assisted algorithm. The architecture combines the characteristics and advantages of both BitTorrent system and OpenFlow network. The algorithm can dynamically calculate the path and corresponding available bandwidth for each flow according to the periodical neighbor selection results passed from P2P system to OpenFlow controller. Simulation results show that, the proposed framework performs much better than the traditional OSPF-based method in terms of the playback probability, especially in overloaded network.