Team Member: Xinjie Guan, University of Missouri Kansas City; Xili Wan, University of Missouri Kansas City; Ruiling Gao, Tufts University; Date: June 2, 2012 GENI Summer Camp Project

Background -- OpenFlow White Paper

Project Target Investigate the impact of unknown flows Computational resources on controllers Network resources

What We Have Done Build the network topology Reserve two nodes: one in GPO, another in Clemson Reserve an additional node in protoGENI to play as the controller We choose a protoGENI node to be the controller since it can be dedicated ONLY for our project We use flake to reserve this node and configure it as controller in request rspec file Reserve network resources: set one datapath (VLAN 3715)

What We Have Done Insert traffic Install traffic generator -- iperf Generate UDP packets

What We Have Done Observe CPU changes on controllers (Pox) Pox costs the majority of the CPU source 300 flows in one second can crash the Pox Without Pox Started PoxInsert traffic with Iperf

Future Plan Change the rate of unknown flows Change the network topology Observe switch performance Next – What can we do to limit the impact of large number of flows