Hi Carlos,

> More than rigor, I was arguing for complete and comprehensive. Rather than 
> precision in each measurement, I was arguing for inclusion of all 
> constitutive power contributors.


That’s what GREEN is trying to do and far beyond the scope of what we’re after. 
 We’re only trying to understand the power contributors that we can affect and 
hopefully put in power-sleep.


>> If one wants to be rigorous, one needs to ensure that the traffic matrix 
>> between the power save case and the non-power save case is within a delta so 
>> small that it doesn’t affect LSP placement. [Fond memories of delta-epsilon 
>> proofs come to mind.]
> 
> This argument can be shifted to say that there’s a potential of 
> penny-wise-pound-foolish in non considering deltas.


I’m not quite sure I’m following you.  Please say more.


> Another shift in perspective is to maximize system-level savings — without 
> debating centralized vs. distributed vs. hybrid in the abstract.


Practical approaches to maximizing savings is exactly what we’re all trying to 
accomplish.

Regards,
Tony

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