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Re: [netmod] Question on intefaces-state model

"Bogaert, Bart (Nokia - BE/Antwerp)" <bart.bogaert@nokia.com> Wed, 14 June 2017 11:18 UTC

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From: "Bogaert, Bart (Nokia - BE/Antwerp)" <bart.bogaert@nokia.com>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Robert Wilton <rwilton@cisco.com>
CC: Vladimir Vassilev <vladimir@transpacket.com>, Andy Bierman <andy@yumaworks.com>, "netmod@ietf.org" <netmod@ietf.org>
Thread-Topic: [netmod] Question on intefaces-state model
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Date: Wed, 14 Jun 2017 11:18:13 +0000
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Subject: Re: [netmod] Question on intefaces-state model
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That's why these counters are optional in the model: if there is nothing to
return we should indeed not return 0...

-----Original Message-----
From: Juergen Schoenwaelder [mailto:j.schoenwaelder@jacobs-university.de] 
Sent: 14 June 2017 11:40
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
Subject: Re: [netmod] Question on intefaces-state model

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/>

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