Re: [YANG] new pyang errors

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Fri, 25 January 2008 13:33 UTC

Return-path: <yang-bounces@ietf.org>
Received: from [127.0.0.1] (helo=stiedprmman1.va.neustar.com) by megatron.ietf.org with esmtp (Exim 4.43) id 1JIOgm-0006EP-D4; Fri, 25 Jan 2008 08:33:48 -0500
Received: from yang by megatron.ietf.org with local (Exim 4.43) id 1JIOgh-00061e-M0 for yang-confirm+ok@megatron.ietf.org; Fri, 25 Jan 2008 08:33:43 -0500
Received: from [10.90.34.44] (helo=chiedprmail1.ietf.org) by megatron.ietf.org with esmtp (Exim 4.43) id 1JIOgh-0005x9-8Y for yang@ietf.org; Fri, 25 Jan 2008 08:33:43 -0500
Received: from hermes.jacobs-university.de ([212.201.44.23]) by chiedprmail1.ietf.org with esmtp (Exim 4.43) id 1JIOgg-0006ac-SG for yang@ietf.org; Fri, 25 Jan 2008 08:33:43 -0500
Received: from localhost (demetrius.jacobs-university.de [212.201.44.32]) by hermes.jacobs-university.de (Postfix) with ESMTP id 420A08A1FE; Fri, 25 Jan 2008 14:33:42 +0100 (CET)
Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius.jacobs-university.de [212.201.44.32]) (amavisd-new, port 10024) with ESMTP id 17243-04; Fri, 25 Jan 2008 14:33:37 +0100 (CET)
Received: from elstar.local (elstar.iuhb02.iu-bremen.de [10.50.231.133]) by hermes.jacobs-university.de (Postfix) with ESMTP id 01A538A1F0; Fri, 25 Jan 2008 14:33:36 +0100 (CET)
Received: by elstar.local (Postfix, from userid 501) id B1AB348B14F; Fri, 25 Jan 2008 14:33:34 +0100 (CET)
Date: Fri, 25 Jan 2008 14:33:34 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: Bert Wijnen <bertietf@bwijnen.net>
Subject: Re: [YANG] new pyang errors
Message-ID: <20080125133334.GB17758@elstar.local>
Mail-Followup-To: Bert Wijnen <bertietf@bwijnen.net>, Balazs Lengyel <balazs.lengyel@ericsson.com>, Ladislav Lhotka <lhotka@cesnet.cz>, yang@ietf.org
References: <4799C5BA.5020606@ericsson.com> <NIEJLKBACMDODCGLGOCNEEOMEFAA.bertietf@bwijnen.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <NIEJLKBACMDODCGLGOCNEEOMEFAA.bertietf@bwijnen.net>
User-Agent: Mutt/1.5.17 (2007-11-01)
X-Virus-Scanned: amavisd-new 2.3.3 (20050822) at jacobs-university.de
X-Spam-Score: 0.0 (/)
X-Scan-Signature: 93238566e09e6e262849b4f805833007
Cc: yang@ietf.org, Ladislav Lhotka <lhotka@cesnet.cz>
X-BeenThere: yang@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: j.schoenwaelder@jacobs-university.de
List-Id: YANG modeling Language for NETCONF <yang.ietf.org>
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/yang>, <mailto:yang-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www1.ietf.org/pipermail/yang>
List-Post: <mailto:yang@ietf.org>
List-Help: <mailto:yang-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/yang>, <mailto:yang-request@ietf.org?subject=subscribe>
Errors-To: yang-bounces@ietf.org

On Fri, Jan 25, 2008 at 01:05:00PM +0100, Bert Wijnen wrote:

> > We consider this conformance mechanism to belong to step to in 
> > the DML. AFAIK it is not really used in SNMP either.

[...]
 
> But other than during early SNMP interoperability tests in the mid-1990s
> I have never seen it used much (if at all). 
> So we should learn from this and think hard before we fall into the
> same trap of designing mechanisms that no-one uses.

Perhaps a clarification: We are not saying conformance mechanisms are
not useful. We just like to postpone them to the second phase of YANG
since conformance mechanisms are not needed to get started and we like
to keep the YANG effort reasonably scoped so that we have a chance to
complete what we started in reasonable amounts of time.

/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/>


_______________________________________________
YANG mailing list
YANG@ietf.org
https://www1.ietf.org/mailman/listinfo/yang