perfsonar development work

[Nicolas Simar <>]

What we are missing IMHO is the time scale at which those events occurs. 
Knowing the timescale would allow to select the most appropriate sending 
rate (and thus measurement methodology) as well as the accuracy on the 
measurement required.

Cheers,
Nicolas

Joe Metzger wrote:
> Hi,
> I had an action item from a recent conf call to send a list of the  
> objectives for OWD tests.
> Here is what I have at this point:
>
> A. Detect & assist diagnosing common causes of performance degradation
>     1. non-congestion related packet Loss
>     2. congestion related packet loss and queuing
>     3. Routing problems
>         A. Changes
>         B. Asymmetry
>         C. Flapping
>         D. Other misc routing problems
> B. Document actual uptime delivered.
> C. Provide time references for when problems occurred and were fixed
>
>
> The uptime delivered measurements should have greater than 1 minute  
> resolution.
>
>
> --Joe

--
Nicolas
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Nicolas Simar
Network Engineer

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