Re: [netmod] Question on intefaces-state model

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Wed, 14 June 2017 09:39 UTC

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Date: Wed, 14 Jun 2017 11:39:43 +0200
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Robert Wilton <rwilton@cisco.com>
Cc: Vladimir Vassilev <vladimir@transpacket.com>, Andy Bierman <andy@yumaworks.com>, "Bogaert, Bart (Nokia - BE/Antwerp)" <bart.bogaert@nokia.com>, "netmod@ietf.org" <netmod@ietf.org>
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Subject: Re: [netmod] Question on intefaces-state model
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On Wed, Jun 14, 2017 at 10:15:22AM +0100, Robert Wilton wrote:
> 
> Returning zero values here is not useful, in fact it is misleading. I think
> that if a server doesn't have a value to return for a particular node it is
> much better to return nothing than to return a false value.

+1.

It took us years to kill this attitude in SNMP land. Saying a counter
is zero and never changes is largely misleading if you actually have
no such counter. It is easy to waste hours of expensive engineering
time by given people fake counters.

/js

-- 
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
Fax:   +49 421 200 3103         <http://www.jacobs-university.de/>