Re: [spring] Spirit and Letter of the Law (was: Question about SRv6 Insert function)

Tim Chown <Tim.Chown@jisc.ac.uk> Thu, 05 September 2019 13:46 UTC

Return-Path: <tim.chown@jisc.ac.uk>
X-Original-To: spring@ietfa.amsl.com
Delivered-To: spring@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ACEA9120170 for <spring@ietfa.amsl.com>; Thu, 5 Sep 2019 06:46:26 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.699
X-Spam-Level:
X-Spam-Status: No, score=-2.699 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_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=jisc.ac.uk
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 neVPPj4dWMVb for <spring@ietfa.amsl.com>; Thu, 5 Sep 2019 06:46:24 -0700 (PDT)
Received: from eu-smtp-delivery-189.mimecast.com (eu-smtp-delivery-189.mimecast.com [207.82.80.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7A81D12018D for <spring@ietf.org>; Thu, 5 Sep 2019 06:46:24 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jisc.ac.uk; s=mimecast20170213; t=1567691182; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RMKuupeVjOFaP10l6IkvUqgexryWO+XssZV9j9SzUno=; b=RjFF48u8fcvv9gYu0jM4Jff8Qurq9q36hZ8W+qxAY5wWcjrVy+HKbv8N/79FZaagtNWFni L8voTfgf5eur1xkWKJCVFg97j0V7kezRH8hezOCcw1IFp7H2ho/2rbInZZukh8+OBHsrZq wvp0B2k+ZzmY5y5Y+cp7tzn8YfpNw8k=
Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-vi1eur04lp2050.outbound.protection.outlook.com [104.47.14.50]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-116-Rgs2OvnPM4arSHSE3RSclQ-1; Thu, 05 Sep 2019 14:46:21 +0100
Received: from AM0PR07MB4177.eurprd07.prod.outlook.com (52.133.54.140) by AM0PR07MB5812.eurprd07.prod.outlook.com (20.178.114.77) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2241.10; Thu, 5 Sep 2019 13:46:18 +0000
Received: from AM0PR07MB4177.eurprd07.prod.outlook.com ([fe80::5caf:b34c:faf9:51de]) by AM0PR07MB4177.eurprd07.prod.outlook.com ([fe80::5caf:b34c:faf9:51de%7]) with mapi id 15.20.2241.013; Thu, 5 Sep 2019 13:46:18 +0000
From: Tim Chown <Tim.Chown@jisc.ac.uk>
To: Ole Troan <otroan@employees.org>
CC: Fernando Gont <fgont@si6networks.com>, "spring@ietf.org" <spring@ietf.org>, "6man@ietf.org" <6man@ietf.org>, Suresh Krishnan <suresh.krishnan@gmail.com>, draft-voyer-6man-extension-header-insertion <draft-voyer-6man-extension-header-insertion@ietf.org>, Fernando Gont <fernando@gont.com.ar>, draft-ietf-spring-srv6-network-programming <draft-ietf-spring-srv6-network-programming@ietf.org>
Thread-Topic: [spring] Spirit and Letter of the Law (was: Question about SRv6 Insert function)
Thread-Index: AdVjS14TVsuRj78sSeu1r8rfsn3VOQAdy3cAAAexfYAAAk8hAAABcf+A
Date: Thu, 05 Sep 2019 13:46:18 +0000
Message-ID: <29C6363C-EE21-4786-A6F4-5BD71A499C45@jisc.ac.uk>
References: <BYAPR05MB54637FEAE1518F83977D274FAEB80@BYAPR05MB5463.namprd05.prod.outlook.com> <538732E2-915B-4952-A439-F4678FCC21B2@employees.org> <4c6b2456-db05-0771-5b98-bfd9f07b220b@si6networks.com> <34AB9F0F-614B-45C2-BD84-7DD53A1D5188@employees.org>
In-Reply-To: <34AB9F0F-614B-45C2-BD84-7DD53A1D5188@employees.org>
Accept-Language: en-GB, en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-mailer: Apple Mail (2.3445.104.11)
x-originating-ip: [194.82.140.195]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 944b783b-e34e-484c-06c4-08d732076df9
x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:AM0PR07MB5812;
x-ms-traffictypediagnostic: AM0PR07MB5812:
x-microsoft-antispam-prvs: <AM0PR07MB5812DB62D979DDCE6B917E8AD6BB0@AM0PR07MB5812.eurprd07.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:5797;
x-forefront-prvs: 015114592F
x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(346002)(376002)(366004)(39850400004)(136003)(396003)(189003)(199004)(6116002)(86362001)(6486002)(57306001)(102836004)(6916009)(786003)(6506007)(229853002)(53546011)(71200400001)(305945005)(76176011)(316002)(71190400001)(7736002)(54906003)(91956017)(64756008)(66556008)(66066001)(66476007)(66946007)(6512007)(5660300002)(486006)(66446008)(25786009)(50226002)(76116006)(3846002)(81156014)(14454004)(33656002)(6246003)(4326008)(99286004)(53936002)(2906002)(8676002)(478600001)(81166006)(26005)(2616005)(186003)(256004)(6436002)(11346002)(446003)(36756003)(476003)(4744005)(8936002); DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR07MB5812; H:AM0PR07MB4177.eurprd07.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1;
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam-message-info: UEjccV9U6SU3q/i9ATIoCJPisuMSzOn2++uOrfaqq5mDoqlpXd+cEMjr8Jp7UUXx7bPU7iPHmuW/h03J5g9SLmWgjP/fM68F8gOJHoo9y2rkDVPbXZ4orbxX+u1UFPk9I//5J7i94QyK5kkwTKTf+xULnirUCUzAC+k74VOI0cLm6QU35KA07YmXVZGtf2WZXnpszB7aPbitoZL0xOFOYcWYz9UJoJcNGkAP5rChTRJC/vEeOKxwPRZnB+WmAFVMhiqO5HKq00UFfVffetWV1OMiEbPKHxmnqiQJVvpDngHM9QWt7Filox0hmuVJdHVhHg3g4Wf6Y/LGKlhIQrSbBppq0dGm1pi5zo2ozbQOy+OdtAajv4C/JuWEcL6e51XHZ9R1mm1xh7BPbD0VnQzCcbIZvu0v0CJHxqQGsVshdEM=
x-ms-exchange-transport-forked: True
Content-ID: <DEC1E9D0BCEB9F47A68AA00E90533552@eurprd07.prod.outlook.com>
MIME-Version: 1.0
X-OriginatorOrg: jisc.ac.uk
X-MS-Exchange-CrossTenant-Network-Message-Id: 944b783b-e34e-484c-06c4-08d732076df9
X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Sep 2019 13:46:18.5762 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 48f9394d-8a14-4d27-82a6-f35f12361205
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: 6f0/AazSWyMKHIiy2rhYylOQyqQy3Vo3FD7ofFG1DUBhHQq2GsT3ZZy/dGp5T8Hexm/KRJDyq9+gg7KpNoIssQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR07MB5812
X-MC-Unique: Rgs2OvnPM4arSHSE3RSclQ-1
X-Mimecast-Spam-Score: 0
Content-Type: text/plain; charset="WINDOWS-1252"
Content-Transfer-Encoding: quoted-printable
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/CED0sWXqoYg73X6QbQICNzCAK1s>
Subject: Re: [spring] Spirit and Letter of the Law (was: Question about SRv6 Insert function)
X-BeenThere: spring@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" <spring.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/spring>, <mailto:spring-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/spring/>
List-Post: <mailto:spring@ietf.org>
List-Help: <mailto:spring-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/spring>, <mailto:spring-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 05 Sep 2019 13:46:34 -0000

> On 5 Sep 2019, at 14:05, Ole Troan <otroan@employees.org> wrote:
> 
> I have not changed my position with regards to header insertion.
> I'm arguing that you should argue technical merit on actual proposals.
> Instead of trying to make RFC documents apply as laws and slap people over the head with those...

You made me look to see if I could find the heaviest RFC. It seems to be RFC 5661, at 615 pages, which I think would be 1.7kg if printed double sided A4.  

Tim