Web100 Status
and
Impact to the network
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Page 1: Web100 Status
Page 2: Outline
Page 3: Web100 context
Page 4: Web100
Page 5: Implications to the network
Page 6: Danger - new load levels
Page 7: Why not before Web100?
Page 8: We expect to see line rate traffic
Page 9: Potential Problems
Page 10: No deployed queue management
Page 11: No deployed QoS
Page 12: Pervasive broken link layers
Page 13: No models for traffic sharing
Page 14: Shared gigabit problem
Page 15: No SLA quantification
Page 16: New load levels
Page 17: The common theme
Page 18: end of "Impact to the network"
Page 19: The Wizard Gap
Page 20: The Wizard Gap
Page 21: TCP "tuning" requires experts
Page 22: TCP tuning is painful debugging
Page 23: Web100
Page 24: When there is a problem, just ask TCP
Page 25: TCP triage instrument
Page 26: Diagnosing path bottlenecks
Page 27: Diagnosing path bugs
Page 28: Localizing path problems
Page 29: Sender and receiver bottlenecks
Page 30: Web100 Project Overview
Page 31: Current Web100 status
Page 32: Web100 Summary
Page 33: end of "Context and intro to web100"
Page 34: The Other Problem:
Page 35: The TCP model
Page 36: Fitting the model 1
Page 37: Fitting the model 2
Page 38: Fitting the model 3
Page 39: Fitting the model 4
Page 40: The other problem is the loss rate
Page 41: end of "The other problem"
Page 42: Implications to users
Page 43: How well are users doing today?
Page 44: We need independent measures
Page 45: The General Plan
Page 46: Passive measurements
Page 47: Window size measurements
Page 48: Observed window sizes
Page 49: Observed window sizes
Page 50: Receiver window sizes
Page 51: Receiver window sizes
Page 52: end of "Impact to Users"
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