1. Multiscale Tools for Networking Vinay J. Ribeiro Ph.D. Thesis Proposal

2. Research Goals Develop network analysis, modeling, and measurement tools –Performance improvement –Understanding …..

3. Devil’s Advocate

4. The Reality of the Internet

5. The Internet Boom

6. Too Many Cooks

7. Modeling Difficulties

8. Internet 101

9. Performance Issues of Interest

10. Single Router Performance

11. Path Performance

12. Per-Hop Performance

13. Research Topics

14. Multiscale Traffic Analysis

15. Multiscale Protocol Hierarchy

16. Backbone Traffic Analysis

17. Wavelet Analysis

18. Wavelet Plots

19. Physical Causes

20. Summary

21. 2. Multiscale Queuing Theory

22. Queuing Is A Tough Problem

23. Approximations for P(Q>b)

24. Asymptotic decay of formulas

25. Queuing Experiments

26. Results

27. Queuing of multiscale models

28. Yes!

29. Summary

30. Probing for available bandwidth

31. Single Queue Scenario

32. Packet chirps

33. Delphi

34. Delphi is adaptive

35. Adaptive algorithm works

36. Performance vs. utilization

37. Summary of Delphi

38. Multiple queue scenario

39. Pathchirp

40. Real Internet Experiment

41. Summary of Pathchirp

42. 4. Identifying “hotspots”

43. Delay hotspot detection

44. Research challenges

45. Available bandwidth tomography

46. Avail. bandwidth using ICMP

47. Summary

48. Overall Summary