[rtg] Fwd: Results with RTG

[Matt Simerson]

On Mar 9, 2009, at 1:51 PM, Mark Boolootian wrote:

>
>>> With Netflow, you are "interpolating" the rates off those sampling  
>>> points.
>>
>> NetFlow is a network protocol, of which there are various  
>> implementations.
>> What you are describing is Sampled Netflow and would not be  
>> suitable for
>> billing. But that is not the only way.
>
> That isn't true.  Netflow sampling appears to work perfectly fine for
> billing.  As I mentioned before, CENIC has used sampled netflow for  
> billing
> approaching ten years.  CENIC is far from alone in doing this.


I don't think this is a true/false issue.

Perhaps sampled data is "sufficient" for some purposes, including  
billing for some peoples requirements. But we have chosen to purchase  
routers with enough CPU to handle full flows.

Matt