Re: [Lsr] WG adoption call for draft-przygienda-lsr-flood-reflection-01

"Acee Lindem (acee)" <acee@cisco.com> Sat, 13 June 2020 20:10 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 089843A1231; Sat, 13 Jun 2020 13:10:16 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.598
X-Spam-Level:
X-Spam-Status: No, score=-9.598 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, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=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=c152YqC4; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=hDQjTpfw
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 0wBWwnLrkgcb; Sat, 13 Jun 2020 13:10:14 -0700 (PDT)
Received: from rcdn-iport-7.cisco.com (rcdn-iport-7.cisco.com [173.37.86.78]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6F92E3A122F; Sat, 13 Jun 2020 13:10:13 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1722; q=dns/txt; s=iport; t=1592079013; x=1593288613; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=GuyaVG/K1IQjjVOsyW/RQ4NLaeErI8uf5le8ICZ0uqU=; b=c152YqC4+TYvblDUHGv9iqdRZFa39e9+/kz33BtYUnRggW+YLy/ro2Mw sAR/d0yKMQ4EljKFzXlbfqeSvFy6zPiFvetOZzk65P1ls2cRKqK7u/ifI f4+nn6twCbUD2B5HwmhStOCd6ecMgZrsbaPhjuTjOChaq4TDskSQd7PaJ c=;
IronPort-PHdr: 9a23:psAZsB2G5yv3IN0ksmDT+zVfbzU7u7jyIg8e44YmjLQLaKm44pD+JxWGu6dmjFjRRZ6d7OhL2KLasKHlDGoH55vJ8HUPa4dFWBJNj8IK1xchD8iIBQyeTrbqYiU2Ed4EWApj+He2YkNVH97mfBvVuHLhpTIXEw/0YAxyIOm9E4XOjsOxgua1/ZCbYwhBiDenJ71oKxDjpgTKvc5Qioxneas=
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0BVAQDKMeVe/4MNJK1mHAEBAQEBAQcBARIBAQQEAQFAgTkEAQELAYFRUQdvWC8sCoQag0YDpg+CUgNVCwEBAQwBASMKAgQBAYREAheCFQIkNwYOAgMBAQsBAQUBAQECAQYEbYVbDIVzAgEDEgsGEQwBATcBDwIBCA4MAiYCAgIwFRACBAENBRsHgwQBgksDLgEOqGYCgTmIYXaBMoMBAQEFgUZBQoJoGIIOAwaBDioBgmOJZhqCAIE4HIJNPoJcAgIBAYRvM4ItkiOQf5EfCoJZiDyQXwMdgnCJGpJdkBoMcYoKlCMCBAIEBQIOAQEFgWkjgVZwFTsqAYI+UBcCDY4eg3GFFIVCdDcCBgEHAQEDCXyPSQGBEAEB
X-IronPort-AV: E=Sophos;i="5.73,508,1583193600"; d="scan'208";a="773517685"
Received: from alln-core-1.cisco.com ([173.36.13.131]) by rcdn-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 13 Jun 2020 20:10:09 +0000
Received: from XCH-RCD-004.cisco.com (xch-rcd-004.cisco.com [173.37.102.14]) by alln-core-1.cisco.com (8.15.2/8.15.2) with ESMTPS id 05DKA9KL018829 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=FAIL); Sat, 13 Jun 2020 20:10:09 GMT
Received: from xhs-rcd-002.cisco.com (173.37.227.247) by XCH-RCD-004.cisco.com (173.37.102.14) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 13 Jun 2020 15:10:08 -0500
Received: from xhs-rtp-002.cisco.com (64.101.210.229) by xhs-rcd-002.cisco.com (173.37.227.247) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 13 Jun 2020 15:10:08 -0500
Received: from NAM10-MW2-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; Sat, 13 Jun 2020 16:10:07 -0400
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=kUn5WHXWqep5QHDf4CuXIMi1GghqYw6HCZvNvXiZnVg73duf75KEDjmssoykx9d/AyvElRIGzdanD0aTLrXTtO1ajHt7tHfBpBhLDnmMaX2qiNAiMSgAMwEYKVaqQfxVepfvlwGv9bnHE1WgqfCgTQ6zCH2psew4GysF+RX84uqo6ywAPttyMHmDCX2/D4ENWnBte4MA/I5ry1ekRwC1Nx+xC6JQs1D+6dDWSvXIyHQIwxwKt9y/oJnQPujYQId+Raum0UGwlJFrlE6jPYV7viHXlHoZ8PwzqOATc+dvZygM7jnENf7LxmfRwv4SHdQR0Jox85tDtWF02UaUoMwfVQ==
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=GuyaVG/K1IQjjVOsyW/RQ4NLaeErI8uf5le8ICZ0uqU=; b=HmZmvG6rTJk6DQ1DPCKEj1c8uo6e0EI1U/Dux69KYv+e+H+ByQ1sPcYs+AodaNpiHHs1aTRUPe0KBbVFa3ofWWM2S8I+kd1pLBRmYsjT0FX3rbkK3uRjTsYqzbE6HzWoo6q+OpZ1iCzOjagaSScysA0jFwvkL+7usMLiFEg8Ncwaq1GaeweKILN3sS6vMlNR9RdGFO8/VMJFIsZg/1b/GLhledl2KwwV7/vd2+clyC6Y32WXhupe9nN9JJYz7tJOK2z4vOk7JNbfbvOZICkMftq5PGdguku/WvIygWxUF72MfrZH32JzFMIQI56kA052UP+DT1lLYwBWwkoRCkf26A==
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=GuyaVG/K1IQjjVOsyW/RQ4NLaeErI8uf5le8ICZ0uqU=; b=hDQjTpfwV3GaJ+PeCmt98gt9yWXRe1RSoORb4Mw68CUH1uM726p6Hf8LqY3EGlhp26NIejjwC1CcMTh0TtfVRpxTxaPTRc1OUZN61jcXVP8snVzTDe5o5Dklbsv0J+MWroHVkV/Duw2QagQW3dWf3STatnOJR6/x9b1wKjiR+dU=
Received: from BYAPR11MB2887.namprd11.prod.outlook.com (2603:10b6:a03:89::27) by BY5PR11MB3959.namprd11.prod.outlook.com (2603:10b6:a03:187::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3088.23; Sat, 13 Jun 2020 20:10:06 +0000
Received: from BYAPR11MB2887.namprd11.prod.outlook.com ([fe80::70a6:bb5b:16b:4f9b]) by BYAPR11MB2887.namprd11.prod.outlook.com ([fe80::70a6:bb5b:16b:4f9b%7]) with mapi id 15.20.3088.027; Sat, 13 Jun 2020 20:10:05 +0000
From: "Acee Lindem (acee)" <acee@cisco.com>
To: Christian Hopps <chopps@chopps.org>, "lsr@ietf.org" <lsr@ietf.org>
CC: "lsr-chairs@ietf.org" <lsr-chairs@ietf.org>, "lsr-ads@ietf.org" <lsr-ads@ietf.org>
Thread-Topic: WG adoption call for draft-przygienda-lsr-flood-reflection-01
Thread-Index: AQHWP11oAXgN1qw16ECSn437usfZeajWu3cA
Date: Sat, 13 Jun 2020 20:10:05 +0000
Message-ID: <AFFE4460-E725-41F4-9E94-90CB59B1265F@cisco.com>
References: <7C4D06CC-4881-4292-A870-A3418229C095@chopps.org>
In-Reply-To: <7C4D06CC-4881-4292-A870-A3418229C095@chopps.org>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/16.37.20051002
authentication-results: chopps.org; dkim=none (message not signed) header.d=none;chopps.org; dmarc=none action=none header.from=cisco.com;
x-originating-ip: [136.56.133.70]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 0d3a15f1-a917-4114-3fab-08d80fd5c3c0
x-ms-traffictypediagnostic: BY5PR11MB3959:
x-microsoft-antispam-prvs: <BY5PR11MB3959090919433B6A67A31DA5C29E0@BY5PR11MB3959.namprd11.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:8882;
x-forefront-prvs: 0433DB2766
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: flFCpWjN+WQ3k+V6TXst4OXJ1Niz62SvTMgSf+b8Zjs4lmO5M/BGq+0nQOCx8b1CCiVnaxYuCJt6GbtWjpuc2Om93Wz6lvsyiKdzzMtBsmKZnl29Q92IMIega7GafCvokr2NoJzy/BBuuHLzgQKiTgjgV5cWMysbM5udBdq7WuotKegeuck7ww+xyDaDNQaWyS6ZUEX1TvQ6AddpdGSwzi1HWJO/Ycm1S5Xs0RJfB30yqf0rQiG2o07QLnCY/nPF3UX2CgZUPjUt1Qr+m5pVjLZ+JcyOGZoNEiDp5xM8TZHDmpEF60Xl7LVj/ABVWxrFW/huGXO95wI01AarWplI2a2rjSPXzAbyTgqWWKKVkL5a4/qigDpkk3D6rVjBINCEXnzGcl79ObhSkQ+9IXp2zg==
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BYAPR11MB2887.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(39860400002)(376002)(396003)(346002)(366004)(136003)(6506007)(6512007)(8936002)(186003)(54906003)(5660300002)(8676002)(2616005)(110136005)(66946007)(36756003)(4326008)(6486002)(478600001)(71200400001)(83380400001)(66446008)(64756008)(966005)(86362001)(66556008)(76116006)(316002)(2906002)(33656002)(66476007)(26005); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata: 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
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="utf-8"
Content-ID: <5BC7E72175B9DF47BBD2C07E0F228B8F@namprd11.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 0d3a15f1-a917-4114-3fab-08d80fd5c3c0
X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jun 2020 20:10:05.7843 (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: kbv2DYcan6/hDHsiUVyWOU5GX9P0e+cJiHrFyQLYahnD9UUHAChHqbMsmwP2gBxw
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB3959
X-OriginatorOrg: cisco.com
X-Outbound-SMTP-Client: 173.37.102.14, xch-rcd-004.cisco.com
X-Outbound-Node: alln-core-1.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/lsr/rpeq49uBHxp2LpT6nErXciQADJw>
Subject: Re: [Lsr] WG adoption call for draft-przygienda-lsr-flood-reflection-01
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: Sat, 13 Jun 2020 20:10:16 -0000

Speaking as WG  member: 

I support WG adoption of this draft on the experimental track. I think it is better for the WG to move forward and get some data points on these competing solutions than to be gridlocked. 

I'm not that concerned with the tunneling requirement for L1/L2 routers given that this can be accomplished very easily with segment routing (e.g., as in TI-LFA). 

One technical comment:

   If the client has a direct L2 adjacency with the flood reflector it SHOULD 
  use it instead of instantiating a new tunnel.

Perhaps this would be clearer:

    If the client has a direct L1 adjacency with the flood reflector it SHOULD
    not instantiate a tunnel for the L2 flooding reflector adjacency. 

Thanks,
Acee
   


On 6/10/20, 3:29 PM, "Christian Hopps" <chopps@chopps.org> wrote:

    This begins a 2 week WG adoption call for the following draft:

      https://datatracker.ietf.org/doc/draft-przygienda-lsr-flood-reflection

    The draft would be adopted on the Experimental track.

    Please indicate your support or objection by June 24, 2020.

    Authors, please respond to the list indicating whether you are aware of any IPR that applies to this draft.

    Thanks,
    Chris and Acee.