Re: [OPSAWG] I-D Action: draft-ietf-opsawg-sdi-06.txt

"Joe Clarke (jclarke)" <jclarke@cisco.com> Tue, 07 April 2020 18:59 UTC

Return-Path: <jclarke@cisco.com>
X-Original-To: opsawg@ietfa.amsl.com
Delivered-To: opsawg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4315E3A0E2F for <opsawg@ietfa.amsl.com>; Tue, 7 Apr 2020 11:59:22 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.599
X-Spam-Level:
X-Spam-Status: No, score=-9.599 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, 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=E4NBpI63; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=qXRCYbSm
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 1SauPUYRIeGu for <opsawg@ietfa.amsl.com>; Tue, 7 Apr 2020 11:59:20 -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 3C4463A0E2E for <opsawg@ietf.org>; Tue, 7 Apr 2020 11:59:20 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=13051; q=dns/txt; s=iport; t=1586285960; x=1587495560; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=aaRAp5V0LIAO8yMvxV+bKXy2YYWiWMp/mwn4E0mSD0Q=; b=E4NBpI63YPfHsTt0TnQDsrLim+OVxljkdfxPZfmsv327+jBpL5TPLo+Z jya4xDtqean57LIM3R40pGbhXuQZUkkCydL5fMzOQU/q4zs/eQR6v7YYm EM7GVGF3zJaJK5O421+Jc/b7oYWcv33pqeZ0N28OnQUDg06+k2pvUDJXa A=;
IronPort-PHdr: 9a23:4pOnVhfRy+w44vaDYGvh962ylGMj4e+mNxMJ6pchl7NFe7ii+JKnJkHE+PFxlwGRD57D5adCjOzb++D7VGoM7IzJkUhKcYcEFnpnwd4TgxRmBceEDUPhK/u/bSc+Fd5BWXdu/mqwNg5eH8OtL1A=
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0C4AAD/zIxe/4oNJK1mHAEBAQEBBwEBEQEEBAEBgWkFAQELAYEkL1AFgUQgBAsqhByDRQOKaYI6JZNALoQzgS6BJANUAQkBAQEMAQEtAgQBAYREAheBbiQ2Bw4CAwEBCwEBBQEBAQIBBQRthVYMhXABAQEBAxIRHQEBLgkBDwIBCBUBKQMCAgIwFBECBA4FIoMEgX9NAy4BpW4CgTmIYnWBMoJ/AQEFgkWCfBiCDQmBOAGMMhqBQT+BOAwQgU9+PoQlKIMTMoIskQuGBYEEiGSQOAqCPZcwHYJOjRiMIagrgzgCBAIEBQIOAQEFgVgBMoFXcBVlAYI+PhIYDZEiDBeDUIpVdIEpi2iCQwEB
X-IronPort-AV: E=Sophos;i="5.72,356,1580774400"; d="scan'208,217";a="469117318"
Received: from alln-core-5.cisco.com ([173.36.13.138]) by alln-iport-5.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 07 Apr 2020 18:59:19 +0000
Received: from XCH-RCD-003.cisco.com (xch-rcd-003.cisco.com [173.37.102.13]) by alln-core-5.cisco.com (8.15.2/8.15.2) with ESMTPS id 037IxI5j025185 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 7 Apr 2020 18:59:18 GMT
Received: from xhs-rcd-002.cisco.com (173.37.227.247) by XCH-RCD-003.cisco.com (173.37.102.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Apr 2020 13:59:18 -0500
Received: from xhs-rtp-003.cisco.com (64.101.210.230) by xhs-rcd-002.cisco.com (173.37.227.247) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Apr 2020 13:59:18 -0500
Received: from NAM12-MW2-obe.outbound.protection.outlook.com (64.101.32.56) by xhs-rtp-003.cisco.com (64.101.210.230) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Tue, 7 Apr 2020 14:59:17 -0400
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=h6GUV48sarZGM1YYthO4EaKc61DKtpLi8K4dtrElRwBB98MFqSrWSP29Ss9sgTwU9SiQX66WYjeS/O8FUh2yH1YrjgKI7zRxF6I1+nyJms4pEjOgSdn12A0P+6R9zSk0Lq69nEojvmhGW1SB8A3LhplcKZyWah8RJIvVkyVkcfnIZNKefyp42S94SCDphbjciCpOIBVY2loaQdM8TjbvCiahyEHoshh/a+m/5elc0QKdDDo4Rh7ynZoeeAGNlUZhqb7mLdl59R+2Fpvzm11+i3Pwkfq4dS1JnLm4euU+VbDjtyJVRo0Vg4bjChfIzzZh2wHszplcQBOhJ5KyauVmYA==
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=aaRAp5V0LIAO8yMvxV+bKXy2YYWiWMp/mwn4E0mSD0Q=; b=bHn+Gxy2UTkUS5JZQvUS6NLeYevrOGPP7p+A0ibeMzoP/AsRsuWLjPtL1Wvab31JrolCB5rjw27Kzb0u8L9hHPJNtruNOmtQITA5581SVcHd44paZ0wu27dTPtU9It70vEobZBUICsr1LWm0gXtXxhwbWexFfhQmuhfS8hHJo2q/TR0JFOotfsdQobYc39/xIzefFVI1rvbWQtIqmAUTRm0IgdIpxk5uoYooBmgmfl+0e7ByxDyEIcew5F7ZR2dzTvE3DssK4RUYf4DWnNC38CgUZkEJdal0ta15ZmFKCfry6pkcpyFJ1gijvLGNMwzYUQjofjlNIc+UNlcnAD8rNQ==
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=aaRAp5V0LIAO8yMvxV+bKXy2YYWiWMp/mwn4E0mSD0Q=; b=qXRCYbSmjakMjBKVIZS517jAd2CnS5SI6k4kHBC8btyNZoLJkaBbfdMuKM8lptECnt+lCqlnM4jjgaNlFHjkTz3VYnoIlBsujvfaLiHne4gwDgzpdMIOOMJ2PBgs5XCKPVRfDER2Fyr9Kf6Y833LlJoRJUjPF7BCPJ6p50YsFyI=
Received: from BN6PR11MB1667.namprd11.prod.outlook.com (2603:10b6:405:e::12) by BN6PR11MB4180.namprd11.prod.outlook.com (2603:10b6:405:7c::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2878.15; Tue, 7 Apr 2020 18:59:16 +0000
Received: from BN6PR11MB1667.namprd11.prod.outlook.com ([fe80::9dc8:a67:89cd:a2d2]) by BN6PR11MB1667.namprd11.prod.outlook.com ([fe80::9dc8:a67:89cd:a2d2%12]) with mapi id 15.20.2878.021; Tue, 7 Apr 2020 18:59:16 +0000
From: "Joe Clarke (jclarke)" <jclarke@cisco.com>
To: Warren Kumari <warren@kumari.net>
CC: tom petch <ietfc@btconnect.com>, "opsawg@ietf.org" <opsawg@ietf.org>
Thread-Topic: [OPSAWG] I-D Action: draft-ietf-opsawg-sdi-06.txt
Thread-Index: AQHWCfg/rFjE6IUSw0a79fHgNZN8eKhr6osAgABLmoCAAS2ggIAAlJiAgAAQ9oA=
Date: Tue, 07 Apr 2020 18:59:16 +0000
Message-ID: <85FF8542-0BEE-4600-A8B7-1CF4C10A399C@cisco.com>
References: <158594643249.23574.16483224996635431528@ietfa.amsl.com> <DB7PR07MB5657863B6A4D9948881C2DBCA0C20@DB7PR07MB5657.eurprd07.prod.outlook.com> <CAHw9_iKn56LbAwgPvXjsXuQ=6JDQGozvMO4P6LjQgTzM2X0-6g@mail.gmail.com> <DB7PR07MB5657F26424D41AFEB7F4718BA0C30@DB7PR07MB5657.eurprd07.prod.outlook.com> <CAHw9_iJPLQJOCooCDri_MRZtJbRRaqXm9jH5kxsFG6kyqT1HmQ@mail.gmail.com>
In-Reply-To: <CAHw9_iJPLQJOCooCDri_MRZtJbRRaqXm9jH5kxsFG6kyqT1HmQ@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-mailer: Apple Mail (2.3608.80.23.2.2)
authentication-results: spf=none (sender IP is ) smtp.mailfrom=jclarke@cisco.com;
x-originating-ip: [2600:1700:b00:b239:c150:826f:4fe8:9555]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: a7708af1-37cc-4324-2936-08d7db25c508
x-ms-traffictypediagnostic: BN6PR11MB4180:
x-microsoft-antispam-prvs: <BN6PR11MB41804F0E9AF331AE07DA2F45B8C30@BN6PR11MB4180.namprd11.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:8273;
x-forefront-prvs: 036614DD9C
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BN6PR11MB1667.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(10009020)(4636009)(396003)(366004)(346002)(136003)(39860400002)(376002)(33656002)(4326008)(6486002)(8676002)(6506007)(81156014)(81166006)(6512007)(53546011)(5660300002)(478600001)(71200400001)(66556008)(36756003)(66946007)(76116006)(64756008)(6916009)(66476007)(54906003)(8936002)(91956017)(2906002)(66446008)(316002)(186003)(86362001)(2616005); DIR:OUT; SFP:1101;
received-spf: None (protection.outlook.com: cisco.com does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: 2p8bgLITLHHrQSS5ybEE7WimOAgZC9/8EOt9NZYO4ClwBFGSTROK9U3N7+LhVkX0HLQ5qWrPAIbPNmRz4S+Q1xZHUbP9DjHmOeccRHufclqKFcMBgRD61HEUoxbEsnG+hxfoR5KTfmhuax0AR24JHf1JIFT+uDQhHFCquUQtCDk86x/OR+tyOKF7VyIZ19V0YV3pDbhXNmX9tdjeqrHd+LZRIWAgCD05fVhbXpF0pG57UYKguoR/dvN+7B9JEtz59SpZp637Lm2wbEJ/ZdGUDFGYRW9IM+smlfPVZWPcLTkqYJscE7uqD28dvon+/9BG5TajukFBuRLS2EWC6p6AGnLRdIlfm5+QEEhC3TC+sq8rQUyB62a7L+36mXN92C2q85p0P/N8KwuMnI+r1AodCYyiiLXLQ1UtPeJtNlzz/0qzu1sGBABU9LllLu/VUxdB
x-ms-exchange-antispam-messagedata: 0FvI3irHfNmHs3YXbyOsW0hmHowhCylYmPb/TWQTH7Wp3Mel/ZL4CcccJOE1eIXKyEvujX/q0y1vDeTHBY5MMmkUb+RTWU8JrizLBTgokIAuZbfN0iA0a/nKHo2uW3GfftFSq+sI4fnoBisJb0GRo8po7P8xVn/+iPS5cfXlZ2pZrcmBst5xi1UN5BxADrbJn3kh/ZP9CHZhTjTSR0wosw==
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative; boundary="_000_85FF85420BEE4600A8B71CF4C10A399Cciscocom_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: a7708af1-37cc-4324-2936-08d7db25c508
X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Apr 2020 18:59:16.0914 (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: +By48i+Cpb+ASiWvgv37/t9GcLYCt9gctcLGOPcHGvH/ky6Rca9MDYF4NDiWOkFYJKpCS41OuRARh0hT3FwfoA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB4180
X-OriginatorOrg: cisco.com
X-Outbound-SMTP-Client: 173.37.102.13, xch-rcd-003.cisco.com
X-Outbound-Node: alln-core-5.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/opsawg/tkKNYNGxIXi_HHr-QrcHccOnmuc>
Subject: Re: [OPSAWG] I-D Action: draft-ietf-opsawg-sdi-06.txt
X-BeenThere: opsawg@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: OPSA Working Group Mail List <opsawg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/opsawg>, <mailto:opsawg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/opsawg/>
List-Post: <mailto:opsawg@ietf.org>
List-Help: <mailto:opsawg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/opsawg>, <mailto:opsawg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 07 Apr 2020 18:59:22 -0000


On Apr 7, 2020, at 13:58, Warren Kumari <warren@kumari.net<mailto:warren@kumari.net>> wrote:

On Tue, Apr 7, 2020 at 5:06 AM tom petch <ietfc@btconnect.com<mailto:ietfc@btconnect.com>> wrote:

From: Warren Kumari <warren@kumari.net<mailto:warren@kumari.net>>
Sent: 06 April 2020 16:07
On Mon, Apr 6, 2020 at 6:36 AM tom petch <ietfc@btconnect.com<mailto:ietfc@btconnect.com>> wrote:

<tp>
Warren,
understanding better what you have in mind, I suggest a few changes to the Abstract and Introduction, as below.  My language is probably a bit tighter, omitting some adverbs but that is just a matter of style.  The changes are not great but for me they make the (limited) scope clearer (and yes, all the cases which I had in mind are now excluded:-)


Thank you - I incorporated your changes verbatim (at least, I tried
to, but it required some rejiggering to get the formatting right), and
posted a new version - this text does a much better job of explaining
the scope.

Yes, this captures what I think is a very typical use case (and one similar to what I had in mind when I first read this).  Though I might have said “layer 1” or “base connectivity” instead of fiber to be agnostic to the medium used for connectivity.

To the other bit of changed text around costing time and money, I think what COVID-19 is showing us is that the dispatching of clued staff may not be possible given local, national, or global restrictions (in addition to being a drain on time and money), but that is more of me thinking aloud.

I think this current text has helped close out some of the remaining issues.

Joe