IETF Logo Mail Archive

Re: [Netconf] schema capabilities in hello

Mikael Abrahamsson <swmike@swm.pp.se> Wed, 09 May 2018 06:28 UTC

Return-Path: <swmike@swm.pp.se>
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 7973B12D879 for <netconf@ietfa.amsl.com>; Tue, 8 May 2018 23:28:55 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.301
X-Spam-Level:
X-Spam-Status: No, score=-4.301 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=swm.pp.se
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 wzPDS7Z--Clf for <netconf@ietfa.amsl.com>; Tue, 8 May 2018 23:28:54 -0700 (PDT)
Received: from uplift.swm.pp.se (swm.pp.se [212.247.200.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1BF29126DFB for <netconf@ietf.org>; Tue, 8 May 2018 23:28:53 -0700 (PDT)
Received: by uplift.swm.pp.se (Postfix, from userid 501) id 02CC7B1; Wed, 9 May 2018 08:28:51 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=swm.pp.se; s=mail; t=1525847332; bh=ztzGxG3E1oBFmZx0biTKsw67e/Pl2SPr1nHbxZ8+k2w=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=PxwjB9oCsg7K6huJf18Hi00EbH1c4+U5TmggCHJTsUIrsHrFxmxNewe9VyNWx4lgn ZcxNi1Tn7q/QoU+NYFHuh6CwhKBllBDft96ccLWT7HfQNoXBKjSxKdSk5DNPWsl2fa th0+y+D+5nVZPe3pOQILMpL2yhIt/6/N/AkEuSyQ=
Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id F2B8DB0; Wed, 9 May 2018 08:28:51 +0200 (CEST)
Date: Wed, 09 May 2018 08:28:51 +0200
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Jan Lindblad <janl@tail-f.com>
cc: netconf@ietf.org
In-Reply-To: <64CFE210-421F-4C2E-9FD5-A3FEFE01929A@tail-f.com>
Message-ID: <alpine.DEB.2.20.1805090827570.17103@uplift.swm.pp.se>
References: <alpine.DEB.2.20.1805090811240.17103@uplift.swm.pp.se> <64CFE210-421F-4C2E-9FD5-A3FEFE01929A@tail-f.com>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
Organization: People's Front Against WWW
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"; format="flowed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/netconf/P5iASMBZXPeCx179KV-XdypJpQY>
Subject: Re: [Netconf] schema capabilities in hello
X-BeenThere: netconf@ietf.org
X-Mailman-Version: 2.1.22
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: Wed, 09 May 2018 06:28:55 -0000

On Wed, 9 May 2018, Jan Lindblad wrote:

> NETCONF does not require this, but YANG 1.0 does. See RFC 6020 sec 5.6.4.

Thanks.

> Right. This development has been noted by the NETCONF and NETMOD WGs as 
> well, so in YANG 1.1 this is radically changed. Instead of listing all 
> namespaces in hello, they are listed in a YANG data structure called 
> ietf-yang-library. See RFC 7950 sec 5.6.4 and RFC 7895.

So if an NMS only supporting YANG 1.0 connects to a device that supports 
YANG 1.1, and this NMS relies on the schemas being listed in the hello, 
who's wrong here?

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se

v2.14.0 | Report a Bug | By Email