There isno quality
in averages
Structure
DEMAND
Performance
Effective task substitution
Hazards depend on loss and delay(and nothing else)
Predictable Region of Operation (PRO)
Performance ‘budget’
SUPPLY
We are movingfrom TDM circuits…
…to packet-basedstatistical multiplexing
IPX is only part of anassurance value chain
MULTIPLEXING
Statistically shared medium
Predictive resource
model
IPX predictive resource model
OOPS!
Oops!
Would you like an apple?
Oops!
EXAMPLES
Oops!
IPX Specification IR.34 v9.1§6.3.4
Oops!
SBC de-jittering is a bad idea
Oops!
Current resource model
Current resource model
Current resource model
Our fate?
Wholesale assuranceloses its perceived value…
…costs rise without stat mux gain
The consequence?
Falling profit
THE Prize?
End-to-end assurance by measuring and managing hazards
Rising profit
THE ISSUE?
THE ANSWER?
The answer
The answer
The answer
Measure
StochasticPredictive Resource Model
End-to-end assurance ‘budget’
Manage toPredictable Region of Operation
SUMMARY
Thank you
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