[Roll] Path Control Bits handling issue in 6550

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Mon, 14 September 2020 11:32 UTC

Return-Path: <pthubert@cisco.com>
X-Original-To: roll@ietfa.amsl.com
Delivered-To: roll@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D3C303A08C1 for <roll@ietfa.amsl.com>; Mon, 14 Sep 2020 04:32:55 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.6
X-Spam-Level:
X-Spam-Status: No, score=-9.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=EJMiavnz; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=Rk9g9/lU
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 DjCzT7uB7P9N for <roll@ietfa.amsl.com>; Mon, 14 Sep 2020 04:32:54 -0700 (PDT)
Received: from alln-iport-6.cisco.com (alln-iport-6.cisco.com [173.37.142.93]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 292A43A08C0 for <roll@ietf.org>; Mon, 14 Sep 2020 04:32:54 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=10857; q=dns/txt; s=iport; t=1600083174; x=1601292774; h=from:to:subject:date:message-id:mime-version; bh=rNniZcoVOr5tR4eesr3gr4GLm83H0z2Hsfkrc5355P8=; b=EJMiavnzLudnEioKkR+f4S1fmy88EXVzDQLa+ydB3Nv4rTcZ/gcMwT8L oTj76afgs4odNzpY/mwVEJ6rBDEdVQvDiah4io7e/ZKhcHJ1xNc+K/cKw gAYGcrp2wUVRhDN4x4GwWLfNpMhy8ICEH3ntRXAe/I9guth5qO1hwN2CU g=;
IronPort-PHdr: 9a23:T+DdShevthhbdzGeyoubUqIVlGMj4e+mNxMJ6pchl7NFe7ii+JKnJkHE+PFxlwaQB9fa5u5Kze3MvPOoVW8B5MOHt3YPONxJWgQegMob1wonHIaeCEL9IfKrCk5yHMlLWFJ/uX3uN09TFZX/akHc5Hqo4m1aFhD2LwEgIOPzF8bbhNi20Obn/ZrVbk1IiTOxbKk0Ig+xqFDat9Idhs1pLaNixw==
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0AFCAAZVF9f/49dJa1gHgE8DAILFYFPgSMBLikoB3BZLyyHfwOhcoRugS6BJQNVCwEBAQ0BASUIAgQBAYRLAoInAiQ2Bw4CAwEBCwEBBQEBAQIBBgRthVwMhXIBARcLEBMBATgRARkEAQFhHQkBBBMIGoMFgX5NAy4BDqlpAoE5iGF0gTSDAQEBBYE3AoNzGIIQAwaBOIJxglxLhxQbgUE/gVSCH4NIAQECAYE+ICuDHYItmheccwqCZYhukXCgbJ00kGSEKQIEAgQFAg4BAQWBWwopgVdwFYMkUBcCDY9EAQKCSYUUhUJ0NwIGCgEBAwl8j1QBAQ
X-IronPort-AV: E=Sophos;i="5.76,425,1592870400"; d="scan'208,217";a="575444823"
Received: from rcdn-core-7.cisco.com ([173.37.93.143]) by alln-iport-6.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 14 Sep 2020 11:32:53 +0000
Received: from XCH-ALN-003.cisco.com (xch-aln-003.cisco.com [173.36.7.13]) by rcdn-core-7.cisco.com (8.15.2/8.15.2) with ESMTPS id 08EBWq9g031786 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=FAIL) for <roll@ietf.org>; Mon, 14 Sep 2020 11:32:52 GMT
Received: from xhs-rtp-002.cisco.com (64.101.210.229) by XCH-ALN-003.cisco.com (173.36.7.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 14 Sep 2020 06:32:52 -0500
Received: from xhs-rtp-002.cisco.com (64.101.210.229) by xhs-rtp-002.cisco.com (64.101.210.229) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 14 Sep 2020 07:32:51 -0400
Received: from NAM02-BL2-obe.outbound.protection.outlook.com (64.101.32.56) by xhs-rtp-002.cisco.com (64.101.210.229) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Mon, 14 Sep 2020 07:32:51 -0400
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JrRVLeaFnJiptQMHjcIzJu2OIW0VGcjDqz5erHq/Ku9Tmw+q4FEtEAgPpbEp5iYkSbe/Cdpc1nLOk/GSIkWINwEoac/+sCpvjEU6ITsq0N683Ya2WPHGOUGviSr6FLStqVn+5lvvKdFo0654QY2GCqRbvvC6ES6Xi6nZZab7/kYp5oNFgU9wK3kf+r7iMh1CrEe/1598A3+BVfwNoPaKhrifoiA90LJ/Sj+Dqi+lHURR3XBzE6G33P8lq41AB6OSa2Y8BBEIohELdEIwsyfVOYE3k2nroLX+yXMJMjtrn/1Prgw3bHk6OcHeiyZqQdHZPvmXWEel+BxNIaju/sbDYQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=6AqF1I/m8bnFF5pYY00nvsT02B0FQODzjYqX6s04IS4=; b=OQMjTcenIRtFPTYE9fClaBp48nQ7kn9QbEp87HxOAWE1pEhMhplzNWWbV/KFaYoUg/EzuFyxbhx+MemuabeWBLJ7RRKsZNRrdtJccILrjr3rTGxY8nfyjXMmvk8gDfwF+/lqsrUKjGDj/CQ8clYAs8V2ZpbOc8kZEEDbwDyIjOprrSMonGiscKZVaPQ6R1x4JxnWVAsWvB0UV8LnXOzewdbfvzqtGYHQxWeY211LmGAFcuLN63RepTiLvrGwICYqPVK78jcmKLAKryO+VrnqKWxRehZSIQjppnVZtdt6Fq3NzXU7Pj+/rXvEpwXwCQVoEmVbQH6czi84j1jlSETR2A==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cisco.com; dmarc=pass action=none header.from=cisco.com; dkim=pass header.d=cisco.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cisco.onmicrosoft.com; s=selector2-cisco-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=6AqF1I/m8bnFF5pYY00nvsT02B0FQODzjYqX6s04IS4=; b=Rk9g9/lUF/fbUKJtCb5zI7+BXCUvFmEC27txobqakl3aat2M10eMMRFHgwVDrka414HhacW72JhM1wYq+SBTi1/bxCudusIZ2feo4QJUyOEQX48u5x7DjeoScDSJGo42FXgZqZ/ljxYkdza2ukYnFehKUMF4iYupkMaKIkzSjvc=
Received: from MN2PR11MB3565.namprd11.prod.outlook.com (2603:10b6:208:ea::31) by MN2PR11MB3821.namprd11.prod.outlook.com (2603:10b6:208:f7::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3370.16; Mon, 14 Sep 2020 11:32:51 +0000
Received: from MN2PR11MB3565.namprd11.prod.outlook.com ([fe80::119:f851:5860:da95]) by MN2PR11MB3565.namprd11.prod.outlook.com ([fe80::119:f851:5860:da95%4]) with mapi id 15.20.3370.019; Mon, 14 Sep 2020 11:32:51 +0000
From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: Path Control Bits handling issue in 6550
Thread-Index: AdaKinpj9SM0V5J0TieCuJ89j6MK0A==
Date: Mon, 14 Sep 2020 11:32:31 +0000
Deferred-Delivery: Mon, 14 Sep 2020 11:32:04 +0000
Message-ID: <MN2PR11MB356557D3DA819D8D788A0CE1D8230@MN2PR11MB3565.namprd11.prod.outlook.com>
Accept-Language: fr-FR, en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=cisco.com;
x-originating-ip: [2a01:cb1d:4ec:2200:d0f3:e330:1d:e06c]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 0cb064fd-991f-43e1-5063-08d858a1e9ec
x-ms-traffictypediagnostic: MN2PR11MB3821:
x-microsoft-antispam-prvs: <MN2PR11MB3821CA58105D036855D82A9BD8230@MN2PR11MB3821.namprd11.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:10000;
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: BQbwE89mvF07zZG8o1vvS+9nAPwxqTrU1r7UD2kkQ4eMhc1NUve3Dn2YZXJ5GC9F3RpF+RXR0pPSHPd4MyiFor61tpVd0vfOc0O7dmeDmzR6WdpclwqMeAmZI4T3BGePqIBTFEoVJIHzgqGd3aabs2FYm6sF8uKRiZOpmUutBidJN5WO9CthFl/DUTv3zWQ7bHxn1DhwfQG5mAEd2HaXrHCKGzewz6g5+MEDKULqFU7RVHmnpMY+mVg/9pOuJHo+JgwuDSsABaU99AFb6du8YQdZhtRcFxCaXsO/7R9TLTKVUKxqJyPfSvoXGfIBSQ1V81W/7C85mt6bN/j8cQ0CZuwB5+23oiloxi2+zKvK4LWf9cdzVDgIjxNOLGRAwqhqaG+X7A2zCnAKSr8DJnnm9g==
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MN2PR11MB3565.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(136003)(396003)(366004)(346002)(39860400002)(376002)(316002)(6916009)(83380400001)(53546011)(6506007)(478600001)(4743002)(66476007)(6666004)(66556008)(8676002)(166002)(66946007)(5660300002)(66446008)(64756008)(7696005)(76116006)(71200400001)(55016002)(2906002)(8936002)(966005)(52536014)(86362001)(186003)(33656002)(9686003); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata: 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
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative; boundary="_000_MN2PR11MB356557D3DA819D8D788A0CE1D8230MN2PR11MB3565namp_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB3565.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 0cb064fd-991f-43e1-5063-08d858a1e9ec
X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Sep 2020 11:32:50.9653 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: OGxDVGH64/ejLavQV6G+uXFi515ImHpxdSEziueQm3wJhBU06XLf3lx9iPzXPXu5sU6IbmmvRONKx7TVV6BD4A==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3821
X-OriginatorOrg: cisco.com
X-Outbound-SMTP-Client: 173.36.7.13, xch-aln-003.cisco.com
X-Outbound-Node: rcdn-core-7.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/v2WjHW9mrrZVSdslHQV8A44rTP4>
Subject: [Roll] Path Control Bits handling issue in 6550
X-BeenThere: roll@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Routing Over Low power and Lossy networks <roll.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/roll>, <mailto:roll-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/roll/>
List-Post: <mailto:roll@ietf.org>
List-Help: <mailto:roll-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/roll>, <mailto:roll-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 14 Sep 2020 11:32:56 -0000

Hello Rahul

Yes, I believe that the points in observations need to be addressed.
I started this for the Path Control Bits handling issue in 6550.

Take care,

Pascal

From: Roll <roll-bounces@ietf.org> On Behalf Of Rahul Jadhav
Sent: lundi 14 septembre 2020 12:38
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Subject: Re: [Roll] roll WG Virtual Meeting: 2020-09-30 - Call for Agenda Items-

Will now be the right time to check consensus with the WG on what behaviour may have to be mandated as part of RPLv2?

Following are some of the points which immediately comes to my mind:

1. Use of revised Option Type (0x23) in RPI ... (Obsolete use of 0x63 RPI Option Type value).
2. Mandating the use of 6LoRH (RFC 8138) ... (Allows compression of SRH (non-storing) and RPI (storing mode)). This is something that was discussed in context to turnon-8138 T-bit draft recently.
3. Use of MOPex (This is how we know the instance is RPLv2)
4. Support for Ext Control Options. (Allows Backward compatibility for new extns... part for same mopex draft)
5. Support for Capabilities. (Enables backward compatibility, allows incremental feature support)

There are some points from RPL Observations draft [2] which could be clarified as part of this work item. Not sure if those points could go in as part of this draft? For e.g., Path Control Bits handling issue in 6550 [1] ... 2) Mandating handling (not sending) of multiple targets in DAO [3]

WG could provide feedback on the following aspects:
1. Do you feel one of the points above need not be mandated?
2. Do you feel there is some other point which needs to be addressed?

[1] https://tools.ietf.org/html/draft-ietf-roll-rpl-observations-04#section-10
[2] RPL Observations: https://tools.ietf.org/html/draft-ietf-roll-rpl-observations-04
[3] https://tools.ietf.org/html/draft-ietf-roll-rpl-observations-04#section-7