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C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2

S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S. C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2. GENI CIO Workshop S T A N F O R D U N I V E R S I T Y.

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C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2

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  1. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 GENI CIO Workshop S T A N F O R D U N I V E R S I T Y

  2. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Current State • OpenFlow Core • • 6 40/10Gb Core switches deployed • • 4 Building switches connected • • Working with IT groups to integrate HPC clusters • Submitted NSF proposal (Campus Cyberinfrastructure)

  3. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Motivation and Benefits • Flexibility • Change the network topology or data path at will • Apply policies anywhere in the network • Simplicity • Decrease the number of devices and appliances • Common policy store for many devices • One management interface • Ease of Troubleshooting (user problems) • Easier to track devices, users, and applications

  4. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Motivation and Benefits • Innovation • Continue improving the user experience • Deliver new services and do it faster • Specialized services • Financial • Decrease cost of maintaining the network • Larger vendor selection • Cheaper commodity hardware • Reduced support costs

  5. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – Call Recording • Call recording services required by: • Life-Flight • Stanford Hospital and Clinics • Lucile Packard Children’s Hospital • Operator Services • VoIP Calls recorded by replicating entire VLANs • Limited number of replication sessions available • All traffic is replicated, not just calls of interest • Too much complexity in network switch configurations, filters, topology

  6. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – Call Recording • Selectively send calls to the recorder • Only interesting traffic sent to recorders • Greatly reduces complexity of the network

  7. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – ISO Traffic Monitoring • Information Security Office needs to be able to monitor all inbound and outbound campus traffic. • Taps in different locations across campus • Need multiple switches to feed multiple collection servers

  8. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – ISO Traffic Monitoring • More granularity when slicing and dicing traffic • Pick and choose traffic to send to servers • Greater flexibility in organizing what type of traffic goes to which collection server

  9. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – Stanford Network Self Registration • Any new device on the Stanford network must be registered with the central NetDB application • Security through obscurity • Policy routing adds complexity • Bottle-neck

  10. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Use Case – Stanford Network Self Registration • Force unregistered users to the captive portal at the switches closest to the users • Registration and guest network services load distributed across multiple edge switches • Simplification of network topology • Policy routing no longer needed

  11. S T A N F O R D U N I V E R S I T Y • I N F O R M A T I O N T E C H N O L O G Y S E R V I C E S C o m m u n i c a t i o n S e r v i c e s • July 12, 2 0 1 2 Deployment Strategy • Build OpenFlow network in parallel to production network, limiting any potential impact on production traffic • Focus on quick wins where we can simplify, innovate and automate • Focus on opportunities where end to end OpenFlow network is not needed to realize benefits • Gain experience

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