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Re: [PSAMP] PSAMP-INFO IE realtiveError

Paul Aitken <paitken@cisco.com> Thu, 14 August 2008 13:47 UTC

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Date: Thu, 14 Aug 2008 14:47:24 +0100
From: Paul Aitken <paitken@cisco.com>
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To: Andrew Johnson <andrjohn@cisco.com>
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Cc: psamp <psamp@ietf.org>, "Zseby, Tanja" <Tanja.Zseby@fokus.fraunhofer.de>, Juergen Quittek <Quittek@nw.neclab.eu>
Subject: Re: [PSAMP] PSAMP-INFO IE realtiveError
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Andrew,

> I don't think much has changed.  If I filter out the misunderstandings I
> think you get something like this:
> 
> Tanja:    What's this fixedError thing for?
> Paul:     It's the uncertainty of the measurement expressed as a fixed
>           amount of the measured units.
> Tanja:    That's a confusing name, let's call it absoluteError.
> Everyone: OK.
> Tanja:    Why do we even need relativeError then?
> Andrew:   I think it might be useful for certain measurement devices.
> Tanja:    OK, well keep it if you want.
> 
> 
> In conclusion, fixedError is now called absoluteError and we'll keep
> relativeError in case it's needed.
> 
> For those who followed the thread, does that sound fair?

Yes.


Tanja,

> I agree. But I also would add the confidence boundaries levels and the
> small changes in PSAMP-PROTO as suggested in my first mail. 
> But those changes were mainly agreed by the authors, correct? 

Yes.


-- 
Paul Aitken
Cisco Systems Ltd, Edinburgh, Scotland.
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