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OpenFlow/SDN at Georgia Tech

This document presents the implementation of OpenFlow/Software Defined Networking (SDN) at Georgia Tech, detailing the collaborative efforts led by Russ Clark, Ron Hutchins, Nick Feamster, and Matt Sanders. It highlights the extensive campus network infrastructure covering three campuses, including Atlanta and Savannah, GA, and Metz, France, with 120,000 ports and 2,500 wireless access points. The goals include advanced policy management, enhanced network control, simplified configuration, and improved security, demonstrating a shift from traditional VLANs and firewalls to more dynamic network management solutions via OpenFlow.

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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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