[mpls] Martin's Comment on draft-ietf-mpls-sr-over-ip

"Adrian Farrel" <adrian@olddog.co.uk> Sat, 13 April 2019 19:52 UTC

Return-Path: <adrian@olddog.co.uk>
X-Original-To: mpls@ietfa.amsl.com
Delivered-To: mpls@ietfa.amsl.com
Received: from localhost (localhost []) by ietfa.amsl.com (Postfix) with ESMTP id 0B8411203A2; Sat, 13 Apr 2019 12:52:54 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.6
X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([]) by localhost (ietfa.amsl.com []) (amavisd-new, port 10024) with ESMTP id bZpzJFqxjSWN; Sat, 13 Apr 2019 12:52:52 -0700 (PDT)
Received: from mta6.iomartmail.com (mta6.iomartmail.com []) (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 4934C1202F2; Sat, 13 Apr 2019 12:52:52 -0700 (PDT)
Received: from vs1.iomartmail.com (vs1.iomartmail.com []) by mta6.iomartmail.com (8.14.4/8.14.4) with ESMTP id x3DJqobJ006430; Sat, 13 Apr 2019 20:52:50 +0100
Received: from vs1.iomartmail.com (unknown []) by IMSVA (Postfix) with ESMTP id 59A1C2203B; Sat, 13 Apr 2019 20:52:50 +0100 (BST)
Received: from asmtp2.iomartmail.com (unknown []) by vs1.iomartmail.com (Postfix) with ESMTPS id 443992203A; Sat, 13 Apr 2019 20:52:50 +0100 (BST)
Received: from LAPTOPK7AS653V ([]) (authenticated bits=0) by asmtp2.iomartmail.com (8.14.4/8.14.4) with ESMTP id x3DJqmWx024326 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 13 Apr 2019 20:52:49 +0100
Reply-To: <adrian@olddog.co.uk>
From: "Adrian Farrel" <adrian@olddog.co.uk>
To: "'Martin Vigoureux'" <martin.vigoureux@nokia.com>, <mpls@ietf.org>
Cc: <draft-ietf-mpls-sr-over-ip@ietf.org>, "'The IESG'" <iesg@ietf.org>
Date: Sat, 13 Apr 2019 20:52:48 +0100
Organization: Old Dog Consulting
Message-ID: <07cd01d4f232$7947c420$6bd74c60$@olddog.co.uk>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Mailer: Microsoft Outlook 16.0
Content-Language: en-gb
Thread-Index: AdTyMikx/26R/sqxTDa3K+VNEw3Nuw==
X-Thinkmail-Auth: adrian@olddog.co.uk
X-TM-AS-Product-Ver: IMSVA-
X-TM-AS-Result: No--3.591-10.0-31-10
X-imss-scan-details: No--3.591-10.0-31-10
X-TMASE-Result: 10--3.590800-10.000000
X-TMASE-MatchedRID: ATarjMjlP6tCMOF2vSwLTAPZZctd3P4BC/ExpXrHizz1hG9r+PlJDDe5 +TJUtSXthmzuGr8BHoGyT0R384dbTWResrHRY7dKngIgpj8eDcC063Wh9WVqgoou5V2iHBf13n8 eBZjGmUzkwjHXXC/4I7I7zVffJqTzO2uhK2p87zgiWbofkNyBQiRLMPChwgCB9dbaOW83CRWry7 iX+p9SCsQqHltHU9gWh/yQr4rUA+khyumgjE26dT+WrqjKZ1gr
X-TMASE-SNAP-Result: 1.821001.0001-0-1-12:0,22:0,33:0,34:0-0
Archived-At: <https://mailarchive.ietf.org/arch/msg/mpls/2wJLskCIdBpvv5B9WzVxSDzc-3k>
Subject: [mpls] Martin's Comment on draft-ietf-mpls-sr-over-ip
X-BeenThere: mpls@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Multi-Protocol Label Switching WG <mpls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mpls>, <mailto:mpls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/mpls/>
List-Post: <mailto:mpls@ietf.org>
List-Help: <mailto:mpls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mpls>, <mailto:mpls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 13 Apr 2019 19:52:54 -0000

Hi Martin,

You wrote...

> Maybe I didn't sleep enough and maybe this relates to Alvaro's DISCUSS,
but I don't see what,
> in 3.1, is specific to the fact that "i-th next-hop router (termed NHi)
along the shortest path 
> from router A toward SID(E) is not SR-MPLS capable"

Have you had more sleep yet?

I think this is answered in my response to Ben.