Packet and Circuit Network Convergence

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IP and Transport networks are controlled and operated independently today, leading to significant Capex and Opex inefficiencies for service providers. Furthermore, IP and Transport networks today do not dynamically interact, a fact that leads to several adverse consequences for both networks. While we are not the first to suggest the benefits of IP and Transport network convergence, we believe one of the main reasons preventing such convergence is the control and management architecture of the two networks. To that end, we propose OpenFlow/SDN as a unified control plane and architecture for packet and circuit networks. Here, we demonstrate a converged OpenFlow enabled packet-circuit network, where circuit flow properties (guaranteed bandwidth, low latency, low jitter, bandwidth-on-demand, fast recovery) provide differential treatment to dynamically aggregated packet flows for voice, video and web traffic. Learn more at: http://openflowswitch.org/wk/index.php/PAC.C