© 2011 Georgia Institute of Technology

OpenFlow/SDNat Georgia Tech

Russ Clarkin collaboration with

Ron Hutchins, Nick Feamster,and Matt Sanders

July 7, 2011

© 2011 Georgia Institute of Technology 2

Campus Network Highlights

• 3 campuses o main campus in Atlantao remote in Savannah, GA o Metz, France

• 120,000 ports, 160 buildings, 1,800 fiber miles

• 2,500 Wireless APs (4,100 radios) o campus-wide layer 2 mobility

• Internet 2, National Lambda Rail (NLR), Southern Light Rail (SLR), Southern Crossroads (SoX)

• 2,100 centrally managed switches

© 2011 Georgia Institute of Technology 3

Goals For OpenFlow/SDN

More Control Of Our Network!

• Policy Managemento better than VLANs, Subnets, Firewalls, IDS, IPS, etco VLAN blunt instrument -> blunted further by Wi-Fi SSIDo working on policy language efforts

• Network Access Controlo built a captive portal system - Resonance

• Capacity Monitoring and Management

• Simplified Configuration

• Securityo better monitoring, finer-grained active control

OpenFlow Testbed

www.rnoc.gatech.edu