IETF Logo Mail Archive

Re: [Netconf] [netmod] WG adoption poll draft-nmdsdt-netmod-revised-datastores-00

Jan Lindblad <janl@tail-f.com> Mon, 19 December 2016 11:31 UTC

Return-Path: <janl@tail-f.com>
X-Original-To: netconf@ietfa.amsl.com
Delivered-To: netconf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B3760129712; Mon, 19 Dec 2016 03:31:13 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.001
X-Spam-Level:
X-Spam-Status: No, score=-5.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RP_MATCHES_RCVD=-3.1, SPF_PASS=-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 X_ZsF0ONAfF4; Mon, 19 Dec 2016 03:31:11 -0800 (PST)
Received: from mail.tail-f.com (mail.tail-f.com [46.21.102.45]) by ietfa.amsl.com (Postfix) with ESMTP id 3F95E12954D; Mon, 19 Dec 2016 03:31:11 -0800 (PST)
Received: from [10.147.40.119] (unknown [173.38.220.41]) by mail.tail-f.com (Postfix) with ESMTPSA id 88C3D1AE028C; Mon, 19 Dec 2016 12:31:08 +0100 (CET)
Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\))
Content-Type: multipart/signed; boundary="Apple-Mail=_3270799B-4DF7-49D6-8547-35878A9D6488"; protocol="application/pgp-signature"; micalg="pgp-sha512"
X-Pgp-Agent: GPGMail
From: Jan Lindblad <janl@tail-f.com>
In-Reply-To: <1665b254-b9eb-3260-9b66-1e82662b36ac@cisco.com>
Date: Mon, 19 Dec 2016 12:31:07 +0100
Message-Id: <81B98FB8-DF86-4151-B3E6-322F0A5FAAAE@tail-f.com>
References: <beb56258-c0ae-f625-a2d4-50f6a4c0bf26@labn.net> <B0E8B70F-56B8-48BF-95E8-83A241DD7A45@nic.cz> <20161205093858.GA97253@elstar.local> <9448A315-D0B4-46E3-8456-C648698B50A0@nic.cz> <20161205120210.GA97559@elstar.local> <CABCOCHQZJvCp2=Ay=nMfZPqwLkKe2OCZAZhTaKVryNEKThitNw@mail.gmail.com> <CAGyj0qOOJZg2b9UA2q7oAEkdEJaNLUd6n_Dc+CE5=U8N7ifsrw@mail.gmail.com> <F8614A0D-518C-4A05-BB7D-C460CD3D5972@nic.cz> <52c8547e61354c1a9adefc69ff07a4a7@XCH-RTP-013.cisco.com> <CABCOCHToDs98tr3o5Np1vjvKa9uMS_MWKJZHo8GQtNj_1xXEiQ@mail.gmail.com> <004101d25589$a0cd5f20$e2681d60$@gmail.com> <CABCOCHTnCu4uE=da2Z+rOArGBoMXcicsofgLQP8LPLGkR-ho5Q@mail.gmail.com> <m2mvfyr3jd.fsf@birdie.labs.nic.cz> <001001d259cf$3d5a0de0$b80e29a0$@hansfords.net> <1665b254-b9eb-3260-9b66-1e82662b36ac@cisco.com>
To: Robert Wilton <rwilton@cisco.com>
X-Mailer: Apple Mail (2.3124)
Archived-At: <https://mailarchive.ietf.org/arch/msg/netconf/_0jVUk_1ooYA-jXAqJYOxF1xvF4>
Cc: NetMod WG Chairs <netmod-chairs@ietf.org>, NetConf WG Chairs <netconf-chairs@ietf.org>, NetMod WG <netmod@ietf.org>, Netconf <netconf@ietf.org>
Subject: Re: [Netconf] [netmod] WG adoption poll draft-nmdsdt-netmod-revised-datastores-00
X-BeenThere: netconf@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Network Configuration WG mailing list <netconf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/netconf>, <mailto:netconf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/netconf/>
List-Post: <mailto:netconf@ietf.org>
List-Help: <mailto:netconf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/netconf>, <mailto:netconf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Dec 2016 11:31:14 -0000

> But once you only have machines programming the config, then they should be able to easily construct a single message for each edit of the config (which can be applied/failed in its entirety). Candidate and locking don't seem to help here.
> 
> Further, if you want to update multiple devices at the same time then you end up in the realm of distributed transactions which get very complicated and are hard to get right in a fully robust fashion.

Harder still without the candidate. Any case where transaction phases or timing is involved would be harder to get right without the candidate and confirmed commit. Being far from perfect, it's the best standardized configuration protocol out there.

/jan

v2.23.0 | Report a Bug | By Email