Re: [Lsr] Working Group Last Call for "Signaling Entropy Label Capability and Entropy Readable Label-stack Depth Using OSPF" - draft-ietf-ospf-mpls-elc-08

"Acee Lindem (acee)" <acee@cisco.com> Tue, 10 September 2019 18:56 UTC

Return-Path: <acee@cisco.com>
X-Original-To: lsr@ietfa.amsl.com
Delivered-To: lsr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1B127120090; Tue, 10 Sep 2019 11:56:04 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.499
X-Spam-Level:
X-Spam-Status: No, score=-14.499 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, 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=b9b+KuCo; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=f8qHRjA9
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 J04EE6BBPJ5m; Tue, 10 Sep 2019 11:56:01 -0700 (PDT)
Received: from alln-iport-5.cisco.com (alln-iport-5.cisco.com [173.37.142.92]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 396111201CE; Tue, 10 Sep 2019 11:56:01 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=12205; q=dns/txt; s=iport; t=1568141761; x=1569351361; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=Cyw16Gcs1SsbJMheZ244kL/yqmo01/cwS+IzFXv9cP4=; b=b9b+KuCoV1XJDfSXYsQkHdH0HeA/FmNmo1SU23r3MeGBHqecwb8bKJq0 F/izIYNm4RNqeP4J6UKkGHlSoU9Jdweh3NBtAz52RA3bFcDqdRG9ibMV1 5PDzf93LwWRaJw5GZ6kY2xD1vwc+sXAmMWlpfM29gCoZ9s7bAbTu9mmEs o=;
IronPort-PHdr: 9a23:jXl9EhHS6VOY/NSnrEaC5p1GYnJ96bzpIg4Y7IYmgLtSc6Oluo7vJ1Hb+e4w0Q3SRYuO7fVChqKWqK3mVWEaqbe5+HEZON0ETBoZkYMTlg0kDtSCDBjyJ/PnRyc7B89FElRi+iLzPA==
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0AHAACL8Hdd/5tdJa1lGQEBAQEBAQEBAQEBAQcBAQEBAQGBUwQBAQEBAQsBgRUvUANtViAECyqEIYNHA4RShimCNyWTFIRcgS6BJANUCQEBAQwBAR8OAgEBhD8CF4IyIzQJDgIDCQEBBAEBAQIBBgRthS4MhUoBAQEBAxILBh0BATcBDwIBBgIRAwEBASQHAgICMB0IAgQBDQUigwABgR1NAx0BAgyMV5BhAoE4iGFzgTKCfQEBBYUGGIIWAwaBNAGLdxiBf4E4DBOCTD6CYQEBA4F1CQ2CXjKCJo9AhSGJGI5SCoIhhwGNdhuCNIdAjxaNf4gEkGoCBAIEBQIOAQEFgVI4gVhwFTsqAYJBgkI4gzqFFIU/c4Epjn8BAQ
X-IronPort-AV: E=Sophos;i="5.64,490,1559520000"; d="scan'208,217";a="328922484"
Received: from rcdn-core-4.cisco.com ([173.37.93.155]) by alln-iport-5.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 10 Sep 2019 18:56:00 +0000
Received: from XCH-RCD-015.cisco.com (xch-rcd-015.cisco.com [173.37.102.25]) by rcdn-core-4.cisco.com (8.15.2/8.15.2) with ESMTPS id x8AIu098021628 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 10 Sep 2019 18:56:00 GMT
Received: from xhs-rcd-001.cisco.com (173.37.227.246) by XCH-RCD-015.cisco.com (173.37.102.25) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 10 Sep 2019 13:55:59 -0500
Received: from xhs-rcd-001.cisco.com (173.37.227.246) by xhs-rcd-001.cisco.com (173.37.227.246) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 10 Sep 2019 13:55:59 -0500
Received: from NAM03-BY2-obe.outbound.protection.outlook.com (72.163.14.9) by xhs-rcd-001.cisco.com (173.37.227.246) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 10 Sep 2019 13:55:59 -0500
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CILbof0kfgJjDRDVk/annaXdt+eO61doWd7o9n5e2xHoP+J7Siue2BrgSYq7BHrZITXO3r+ZSJm6JXUmTM7GGPtDykm24uTxuNB65tfg/nwomUvEgf42w90yKz/rGYRj0pyez9tk4B4IeMLb/EWNdUDUeSFsARoBLQXUkNLFwkfxn+NO4yjWuF+/8C4SwcbTKRNERdL0XqBcK0B23EgM/krbWO1GpK5jGF99X6UZahVBNQ/4BFZO5CaoZ6kIoe/IcDX+AVMxhe6QqSlmzsBsoh4/J7PI2wH0MoHE1MOU2Xgtbd+9H0GHtDYkcN6ieyr7WT2e3zNdgfgT6UTf3IQicA==
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=Cyw16Gcs1SsbJMheZ244kL/yqmo01/cwS+IzFXv9cP4=; b=NTdQ5w9jyJ8Byt8sGScPm9PRGgbjPYtXrXNU3AjYt6lXD+a894gTX20cfMA/diQnrwbcxsFQlbtBgwDEm0Vl+LVOcytCPHexKX40ES1qj4BvgHWSLRS65r8A76KPpJiLu0tePjCfaHiAQ66SkJh9SVL/GqkIHMy47Y68FHNe6EDcUkRNtC+zFhR2dqKCMZv4pKeMNIAekwCFd4SG4ERFcJBWaS0my8zNR8TXPaEVNffL5RwiuYLDIlM9SIoCaDSWBXPCt66UztZL/mOvZRlUzmNISMWl4ywq5hIsdIMQr2CXgsw51JDXKQ8uOUC8PvE7Rof/Z3hjImtOmNfaUstU/A==
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=Cyw16Gcs1SsbJMheZ244kL/yqmo01/cwS+IzFXv9cP4=; b=f8qHRjA9Ffb70H8sEzMFBKMR7AQkzbVFfGtChKcNmUa42EpKzN3z78cqE+BvChz96alL1YQLNRqVpceetQwKbGcdVpNCLW7OTbXPctOf38kM6Fl7jfDscSl0GA783XUbf7JBDJhryQ8YKPjI1pVR/UEd3OI/+MzuTquivrmLQVI=
Received: from MN2PR11MB4221.namprd11.prod.outlook.com (52.135.38.14) by MN2PR11MB3871.namprd11.prod.outlook.com (10.255.180.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2241.14; Tue, 10 Sep 2019 18:55:54 +0000
Received: from MN2PR11MB4221.namprd11.prod.outlook.com ([fe80::cdc1:a2cf:eb3:a420]) by MN2PR11MB4221.namprd11.prod.outlook.com ([fe80::cdc1:a2cf:eb3:a420%6]) with mapi id 15.20.2241.018; Tue, 10 Sep 2019 18:55:54 +0000
From: "Acee Lindem (acee)" <acee@cisco.com>
To: Uma Chunduri <uma.chunduri@futurewei.com>, "lsr@ietf.org" <lsr@ietf.org>
CC: "mpls@ietf.org" <mpls@ietf.org>, "lsr-ads@ietf.org" <lsr-ads@ietf.org>, "draft-ietf-ospf-mpls-elc@ietf.org" <draft-ietf-ospf-mpls-elc@ietf.org>
Thread-Topic: Working Group Last Call for "Signaling Entropy Label Capability and Entropy Readable Label-stack Depth Using OSPF" - draft-ietf-ospf-mpls-elc-08
Thread-Index: AQHVX2sAQulbgKOGJkm1XSoIFYiCBKclStHQ///GBwA=
Date: Tue, 10 Sep 2019 18:55:54 +0000
Message-ID: <D72A046B-3550-435B-91EE-31B1E2036F12@cisco.com>
References: <3378034A-5DF1-41BE-8BEF-A6B153B6B1DE@cisco.com> <CH2PR13MB34624F42DD8F755BCD8F735086B60@CH2PR13MB3462.namprd13.prod.outlook.com>
In-Reply-To: <CH2PR13MB34624F42DD8F755BCD8F735086B60@CH2PR13MB3462.namprd13.prod.outlook.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: spf=none (sender IP is ) smtp.mailfrom=acee@cisco.com;
x-originating-ip: [2001:420:c0c4:1008::18f]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: e995feac-3f61-4e8d-0a61-08d73620824c
x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:MN2PR11MB3871;
x-ms-traffictypediagnostic: MN2PR11MB3871:
x-ms-exchange-purlcount: 3
x-microsoft-antispam-prvs: <MN2PR11MB3871FFD511F97CEB4A3A285CC2B60@MN2PR11MB3871.namprd11.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:7691;
x-forefront-prvs: 01565FED4C
x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(39860400002)(136003)(366004)(376002)(346002)(396003)(199004)(189003)(81156014)(6116002)(486006)(229853002)(5660300002)(316002)(7736002)(71200400001)(14454004)(2501003)(6306002)(6506007)(53546011)(4326008)(6436002)(2906002)(256004)(606006)(6486002)(966005)(478600001)(8676002)(33656002)(236005)(54896002)(99286004)(36756003)(66446008)(86362001)(64756008)(66556008)(66476007)(102836004)(6512007)(53936002)(25786009)(186003)(76176011)(9326002)(476003)(81166006)(8936002)(76116006)(11346002)(46003)(66946007)(2616005)(446003)(71190400001)(110136005)(54906003)(6246003); DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB3871; H:MN2PR11MB4221.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1;
received-spf: None (protection.outlook.com: cisco.com does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam-message-info: 5eHUmU/2QfoitEgVjyxLEzmMtck1GeGSrbQZ4Vz03MxX/oJIHVeb3Nl9SEXHrXmooZKM80Mfb04Vx1j2h4xk0pZXqXYgtND0AeYIr6eHQ5EAt+FvykGkHbJ2ESPsj0afjM4HhWpu3Lg0BqdXxO78HZDaiS6hMi4USlMpBkRayLx7SMVpnlGyBG8FasNUOQuVM3C6RB5RDmPikFfY04NVD8B9bGJGSXeKrPnSD5oSHtYCL0cF+YgyEnadi11pRPTtFJB3xyXputybmw4y9QKxL8Xy//powjt3t1HJOj2HquopijRC82OO7QgS+sNI5K+2vir1+0BZHDTScLx1uhImsZgmM9cXqRLv3MlJoimPWdgjG7ql55JjPIB0EP4BNbcUQe+bsENf4IL1q7wlrD5ZTgWlEnoLQSGwpxfKMD4CNeU=
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative; boundary="_000_D72A046B3550435B91EE31B1E2036F12ciscocom_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: e995feac-3f61-4e8d-0a61-08d73620824c
X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Sep 2019 18:55:54.8039 (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: rbJIWzlneBCZ8Z5181+8DJinWMbEvqJuYgZg6Sai3hvqs+BSiwbnJ5a3hYk7OrI+
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3871
X-OriginatorOrg: cisco.com
X-Outbound-SMTP-Client: 173.37.102.25, xch-rcd-015.cisco.com
X-Outbound-Node: rcdn-core-4.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/lsr/3XHRmxt29hPGULmtN1E3E4gsDlI>
Subject: Re: [Lsr] Working Group Last Call for "Signaling Entropy Label Capability and Entropy Readable Label-stack Depth Using OSPF" - draft-ietf-ospf-mpls-elc-08
X-BeenThere: lsr@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Link State Routing Working Group <lsr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/lsr>, <mailto:lsr-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/lsr/>
List-Post: <mailto:lsr@ietf.org>
List-Help: <mailto:lsr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/lsr>, <mailto:lsr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 10 Sep 2019 18:56:04 -0000

Hi Uma,

From: Uma Chunduri <uma.chunduri@futurewei.com>
Date: Tuesday, September 10, 2019 at 2:43 PM
To: Acee Lindem <acee@cisco.com>, "lsr@ietf.org" <lsr@ietf.org>
Cc: "mpls@ietf.org" <mpls@ietf.org>, "lsr-ads@ietf.org" <lsr-ads@ietf.org>, "draft-ietf-ospf-mpls-elc@ietf.org" <draft-ietf-ospf-mpls-elc@ietf.org>
Subject: RE: Working Group Last Call for "Signaling Entropy Label Capability and Entropy Readable Label-stack Depth Using OSPF" - draft-ietf-ospf-mpls-elc-08

Support.


One question to authors:

On E bit in section 4:  The motivation seems to extend this in Prefix attributes is for inter-area consideration and advertised per every local host prefix (link) .
                                       Is there any specific reason why link MSD is not considered instead ? ( https://tools.ietf.org/html/rfc8491)

Because the intra-area link topology is not exposed across areas or to other protocols.

Thanks,
Acee


--
Uma C.


From: mpls <mpls-bounces@ietf.org> On Behalf Of Acee Lindem (acee)
Sent: Friday, August 30, 2019 12:42 PM
To: lsr@ietf.org
Cc: mpls@ietf.org; lsr-ads@ietf.org; draft-ietf-ospf-mpls-elc@ietf.org
Subject: [mpls] Working Group Last Call for "Signaling Entropy Label Capability and Entropy Readable Label-stack Depth Using OSPF" - draft-ietf-ospf-mpls-elc-08

We’ve gone through a number of iterations with these ELC drafts and I believe they are ready and meets all the use case requirements. Note that “Entropy Label for Spring tunnels” – draft-ietf-mpls-spring-entropy-label-12 is on the RFC editor’s queue.
This begins a two week last call for the subject draft. Please indicate your support or objection on this list prior to 12:00 AM UTC on Sept 14th, 2014.
Thanks,
Acee