Web100 Status and Impact to the network

Slides: 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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