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Softening the Network: Virtualization’s Final Frontier

In "Softening the Network: Virtualization’s Final Frontier," Steve Riley dives deep into the complexities of network virtualization and its implications on modern IT infrastructure. The presentation examines various abstractions such as virtual memory, disks, and machines, and their impact on provisioning, moving, and managing network resources. By exploring operational challenges and the concept of software-defined networking, Riley illuminates the need to rethink traditional networking paradigms. Discover how these innovations shape scalability and flexibility in an ever-evolving technological landscape.

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Softening the Network: Virtualization’s Final Frontier

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  1. Softening the Network:Virtualization’s Final Frontier Steve RileyTechnical Director, Office of the CTORiverbed Technologysteve.riley@riverbed.comhttp://blog.riverbed.com

  2. Abstractions We’ve Seen

  3. virtual memory

  4. virtual disk volumes

  5. virtual machines

  6.  the illusion of a thing

  7. abstraction

  8. no re-programming

  9. sometimes is disruptive

  10. PM-1 PM-2 VM-1 VM-3 VM-1 VM-3 VM-2 VM-4 VM-2

  11. meets needs

  12. provisioning

  13. moving

  14. snapshotting

  15. roll back

  16. New?

  17. crude 1.A 1.B 1.C 2.A 2.B 2.C

  18. less crude 1.A 1.B 1.C 2.A 2.B 2.C

  19. less crude 1.A 1.B 1.C 2.A 2.B 2.C 1.D 2.D

  20. limitations

  21. n < ∞

  22. topology

  23. static

  24. interesting 10.M 1.A 1.B 1.C

  25. interesting + 10.M 1.A 1.B 1.C 2.A 2.B 2.C

  26. interesting +? 10.M 1.A 1.B 1.C 2.A 2.B 2.C

  27. interesting +?? 10.M 1.A 1.B 1.C 2.A 2.B 2.C 1.D 2.D

  28. interesting +!!! 10.M 10.N 1.A 1.B 1.C 1.E 1.F 2.A 2.B 2.C 2.E 2.F 2.G 1.D 2.D 1.G 2.H 2.I

  29. insane ;) 10.M 10.N 1.A 1.B 1.C 1.E 1.F 2.A 2.B 2.C 2.E 2.F 2.G 1.D 2.D 1.G 2.H 2.I

  30. limitations

  31. as before

  32. + not cloudable

  33. operational abstractions aren’t useful

  34. PM-1 PM-2 VM-1 VM-3 VM-1 VM-3 VM-2 VM-4 VM-2 MAC? IP? ACL? state?

  35. forwarding control

  36. limitations

  37. topology mandates/constraints

  38. no overlapped addresses

  39. sloooooow to change

  40. + not cloudable

  41. requirements

  42. decouple V from P

  43. V looks like P

  44. V allows units of operation

  45. Software Defined Networking (*) * One popular, but not necessarily universal, definition

  46. forwarding control

  47. control forwarding

  48. application tier application application application application network tier network

  49. application tier application application application application control plane control platform OpenFlow forwarding plane

  50. forwarding plane

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