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OpenFlow/SDN at Georgia Tech

This report highlights the ambitious network management goals at Georgia Tech, focusing on the implementation of OpenFlow and Software-Defined Networking (SDN). Covering three campuses, including the main location in Atlanta and remote sites in Savannah and Metz, France, the network consists of 120,000 ports, 1,800 fiber miles, and over 2,500 wireless access points. Our objectives include better policy management, enhanced security, network access control, capacity monitoring, and simplified configuration. This effort allows for improved control and monitoring over the campus network infrastructure.

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OpenFlow/SDN at Georgia Tech

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  1. OpenFlow/SDNat Georgia Tech • Russ Clark • in collaboration with • Ron Hutchins, Nick Feamster, • and Matt Sanders • July 7, 2011

  2. Campus Network Highlights • 3 campuses • main campus in Atlanta • remote in Savannah, GA • Metz, France • 120,000 ports, 160 buildings, 1,800 fiber miles • 2,500 Wireless APs (4,100 radios) • campus-wide layer 2 mobility • Internet 2, National Lambda Rail (NLR), Southern Light Rail (SLR), Southern Crossroads (SoX) • 2,100 centrally managed switches

  3. Goals For OpenFlow/SDN More Control Of Our Network! • Policy Management • better than VLANs, Subnets, Firewalls, IDS, IPS, etc • VLAN blunt instrument -> blunted further by Wi-Fi SSID • working on policy language efforts • Network Access Control • built a captive portal system - Resonance • Capacity Monitoring and Management • Simplified Configuration • Security • better monitoring, finer-grained active control

  4. OpenFlow Testbed

  5. www.rnoc.gatech.edu

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