Re: [lmap] AD evaluation: draft-ietf-lmap-yang-10

Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Wed, 08 February 2017 13:15 UTC

Return-Path: <j.schoenwaelder@jacobs-university.de>
X-Original-To: lmap@ietfa.amsl.com
Delivered-To: lmap@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AA96D129A25 for <lmap@ietfa.amsl.com>; Wed, 8 Feb 2017 05:15:01 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.201
X-Spam-Level:
X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RP_MATCHES_RCVD=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bZWKvkyWg5_G for <lmap@ietfa.amsl.com>; Wed, 8 Feb 2017 05:15:00 -0800 (PST)
Received: from atlas3.jacobs-university.de (atlas3.jacobs-university.de [212.201.44.18]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 39D8D129A21 for <lmap@ietf.org>; Wed, 8 Feb 2017 05:15:00 -0800 (PST)
Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas3.jacobs-university.de (Postfix) with ESMTP id 0EF157F1; Wed, 8 Feb 2017 14:14:59 +0100 (CET)
X-Virus-Scanned: amavisd-new at jacobs-university.de
Received: from atlas3.jacobs-university.de ([10.70.0.205]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10030) with ESMTP id HU5bvjBvf5n2; Wed, 8 Feb 2017 14:14:56 +0100 (CET)
Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "Jacobs University CA - G01" (verified OK)) by atlas3.jacobs-university.de (Postfix) with ESMTPS; Wed, 8 Feb 2017 14:14:58 +0100 (CET)
Received: from localhost (demetrius3.jacobs-university.de [212.201.44.48]) by hermes.jacobs-university.de (Postfix) with ESMTP id ACB63200BE; Wed, 8 Feb 2017 14:14:58 +0100 (CET)
X-Virus-Scanned: amavisd-new at jacobs-university.de
Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius3.jacobs-university.de [212.201.44.32]) (amavisd-new, port 10024) with ESMTP id IYVBKLYvyznH; Wed, 8 Feb 2017 14:14:58 +0100 (CET)
Received: from elstar.local (elstar.jacobs.jacobs-university.de [10.50.231.133]) by hermes.jacobs-university.de (Postfix) with ESMTP id 36394200BD; Wed, 8 Feb 2017 14:14:58 +0100 (CET)
Received: by elstar.local (Postfix, from userid 501) id 2E28E3E6C799; Wed, 8 Feb 2017 14:15:02 +0100 (CET)
Date: Wed, 8 Feb 2017 14:15:02 +0100
From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
To: "MORTON, ALFRED C (AL)" <acmorton@att.com>
Message-ID: <20170208131502.GD98187@elstar.local>
Mail-Followup-To: "MORTON, ALFRED C (AL)" <acmorton@att.com>, Alissa Cooper <alissa@cooperw.in>, "lmap@ietf.org" <lmap@ietf.org>
References: <49AB42C1-3DE5-4289-9B32-173B69C191DC@cooperw.in> <20170124202305.GA38068@elstar.local> <E2346FCD-B119-4385-BBF8-B97207DFB693@cooperw.in> <20170126101706.GD43055@elstar.local> <D6E49B78-0B0A-4DBD-A854-895B293493AD@cooperw.in> <20170208113501.GC97665@elstar.local> <4D7F4AD313D3FC43A053B309F97543CF6894C8@njmtexg5.research.att.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4D7F4AD313D3FC43A053B309F97543CF6894C8@njmtexg5.research.att.com>
User-Agent: Mutt/1.6.0 (2016-04-01)
Archived-At: <https://mailarchive.ietf.org/arch/msg/lmap/_3DA7xqlhd5ldoZNN9A7o6AItzQ>
Cc: Alissa Cooper <alissa@cooperw.in>, "lmap@ietf.org" <lmap@ietf.org>
Subject: Re: [lmap] AD evaluation: draft-ietf-lmap-yang-10
X-BeenThere: lmap@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
List-Id: Large Scale Measurement of Access network Performance <lmap.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/lmap>, <mailto:lmap-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/lmap/>
List-Post: <mailto:lmap@ietf.org>
List-Help: <mailto:lmap-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/lmap>, <mailto:lmap-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 08 Feb 2017 13:15:01 -0000

On Wed, Feb 08, 2017 at 01:09:09PM +0000, MORTON, ALFRED C (AL) wrote:
> > -----Original Message-----
> > From: lmap [mailto:lmap-bounces@ietf.org] On Behalf Of Juergen
> ...
> > 
> > > > Why would the controller necessarily even know where such
> > executables reside on the file system? And I know there are a lot of
> > things that could go wrong if a Controller gets compromised, but it just
> > seems like making it so trivial for an MA implementation to literally
> > just run the executable name specified by the Controller creates
> > unnecessary risk.
> > > >
> > > > Perhaps we need to add more explicit text to /tasks/task saying that a
> > > > configured LMAP task MUST resolve to a task listed in the capabilities.
> > > > This is in my view what matters most.
> > >
> > > Agree.
> > 
> > Here is the new text:
> > 
> >       list task {
> >         key name;
> > 	description
> >           "The list of tasks configured on the LMAP agent. Note
> >            that a configured task must resolve to a task listed
> >            in the capabilities. Attempts to execute a configured
> >            task that is not listed in the capabilities result in
> >            a runtime execution error.";
> > 
> [ACM] 
> The second sentence is a requirement on implementations, 
> for the Controller to obey and for the MA to evaluate, so
> s/must/MUST/
> in the new text?  Or, "ought to" ?
>

I am fine with MUST but I always happily follow advice of IESG members
when it comes to RFC 2119 language. So will use MUST for now.

/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/>