Re: [Teas] New term for the underlay construct used for slice realization

John E Drake <jdrake@juniper.net> Wed, 11 August 2021 12:38 UTC

Return-Path: <jdrake@juniper.net>
X-Original-To: teas@ietfa.amsl.com
Delivered-To: teas@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CA6773A1479 for <teas@ietfa.amsl.com>; Wed, 11 Aug 2021 05:38:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.252
X-Spam-Level:
X-Spam-Status: No, score=-3.252 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.452, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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 (2048-bit key) header.d=juniper.net header.b=GzCUOwaP; dkim=pass (1024-bit key) header.d=juniper.net header.b=kEvJnbKd
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 V22biT1UXHcu for <teas@ietfa.amsl.com>; Wed, 11 Aug 2021 05:38:18 -0700 (PDT)
Received: from mx0b-00273201.pphosted.com (mx0b-00273201.pphosted.com [67.231.152.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B12853A1463 for <teas@ietf.org>; Wed, 11 Aug 2021 05:38:18 -0700 (PDT)
Received: from pps.filterd (m0108162.ppops.net [127.0.0.1]) by mx0b-00273201.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 17BCYft9023801; Wed, 11 Aug 2021 05:38:09 -0700
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juniper.net; h=from : to : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=PPS1017; bh=2khgAmfad9qw1MkXeGQ7fEB66JsZYURGOUPXvFxBKHI=; b=GzCUOwaPH7S+yMOeczZQ4Kryf4W/M3LPXkmjUA1zqpeBveVlnSalcoAivyBs5kXUFn4n EOBHYRPZc3t6AKS9Pm5qFk+HYhd3OD8hFD/fT+SjM3udA1aCSbfxanx3HuvjBiVnw1EA qYqpdiUAyUVgfmfjrLgSxiIm2ruBebkbcSu9uEUsAhBsS9QNCC81FA4cX8ODy1GOAvaY E4xxSYADw41ECuy0ziMWYkvx+sqLQqTHXWKgVUoaIi9BDZJLC6W3bYAw0A//wweCGuV3 ei142QtsXpSoNW7poawU2Nla597rrq+xMYq69t4+vc6NywBdMR+kqBGt75mVsKv0Y9tJ ag==
Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2173.outbound.protection.outlook.com [104.47.55.173]) by mx0b-00273201.pphosted.com with ESMTP id 3ac5hrru68-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Aug 2021 05:38:08 -0700
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hJkcRHltR+g9oSmk9jdsX5l43ao5yV2q8vFn5K6h03qpKCeLD0m7h9JOpn5eL63r2FotBt0XZz0Bn/DJlcFgRV6KWbrJ0I0/XoqqWqdr/xCR3U4B1srHez61/HAVE2gjbnZDccSaKOoInWDoEOS2WuIftE0AqchNQ8mCAdjES6N4u2fL/9iW0TwQpBlYsv6ebPMxU85jAvvDLwdGfexTrF7HDr2gt/tlMwCCrmyJKsReWCbZYDEk6/jq08OKDzVsA9OLDXPGc39DlhhgR1pEirqyd/MsM754zTjfcD2H9kUGNDe3v1zp6UCaiaE18z8624J94CDyMvQa8XkAL/ru7A==
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=2khgAmfad9qw1MkXeGQ7fEB66JsZYURGOUPXvFxBKHI=; b=FO3x/QaMWb1aEQ6vdam22BOfXWA1YdBntHEkjsRDgNkJKXxEOIcCBatUhEIho0PElOO6cT+txGJslfQMFaYd7+LC0MSCE77IDYlF4eSJSFHFnkmN+DMrlRkbWjwSb9GqDC7A/vv8yZ51tW5mwplZl5EYc+NntWkqhZC3MOsy9vB+tmLvy/eihNJEbopNLBHYUBCxkZOLtJQO+fxPrCvW2Kq3P6ThlpULfasM55mwSAD6FvOSWifGiVGN769DU/9Gl1gjSkGRTpwfsXoV8JbK1ajR220RPABWWmC+CxQ9v7guj7azR1ERlXa+3rwdeKWD1/WbOaIfeQopCoPzcQEJ/A==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=juniper.net; dmarc=pass action=none header.from=juniper.net; dkim=pass header.d=juniper.net; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juniper.net; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=2khgAmfad9qw1MkXeGQ7fEB66JsZYURGOUPXvFxBKHI=; b=kEvJnbKdpUXWVny33yUKouds5o9QoU5Xe5C7vkkzcfI9YCm+L7n8/iaqjB+cxtmsfKN2gMdSyhxLnhKMTVYzv3veomlrP7QoMtqome+FoJSU01BuvDZI1meQkpYHOZ4VDj52s+9xLh9WYnm1E5LzDvecAvU7c9/+KSNqf96j3rw=
Received: from BY3PR05MB8081.namprd05.prod.outlook.com (2603:10b6:a03:366::15) by BY3PR05MB8353.namprd05.prod.outlook.com (2603:10b6:a03:3c0::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4415.6; Wed, 11 Aug 2021 12:38:06 +0000
Received: from BY3PR05MB8081.namprd05.prod.outlook.com ([fe80::c0ea:d0b2:bc21:5e4d]) by BY3PR05MB8081.namprd05.prod.outlook.com ([fe80::c0ea:d0b2:bc21:5e4d%9]) with mapi id 15.20.4415.015; Wed, 11 Aug 2021 12:38:06 +0000
From: John E Drake <jdrake@juniper.net>
To: "Dongjie (Jimmy)" <jie.dong@huawei.com>, Lizhenbin <lizhenbin@huawei.com>, "teas@ietf.org" <teas@ietf.org>
Thread-Topic: New term for the underlay construct used for slice realization
Thread-Index: AdeN+wpTY0PlvtVsQlC++M4sZJMfAAAHO8wwAA9dd4AAFeyW4A==
Date: Wed, 11 Aug 2021 12:38:05 +0000
Message-ID: <BY3PR05MB80816B3982271C1FEA86E46CC7F89@BY3PR05MB8081.namprd05.prod.outlook.com>
References: <2ae53e44d60548e6ac961ac992615e9b@huawei.com> <BY3PR05MB80819A0E7F8CAFD5BAE79A91C7F79@BY3PR05MB8081.namprd05.prod.outlook.com> <33ca73966af4490d84b88c765e183a98@huawei.com>
In-Reply-To: <33ca73966af4490d84b88c765e183a98@huawei.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
dlp-product: dlpe-windows
dlp-version: 11.6.100.41
dlp-reaction: no-action
msip_labels: MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Enabled=true; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SetDate=2021-08-11T12:38:04Z; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Method=Standard; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Name=0633b888-ae0d-4341-a75f-06e04137d755; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SiteId=bea78b3c-4cdb-4130-854a-1d193232e5f4; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_ActionId=9fd447f5-4c2d-4102-b1c4-de56c853443e; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_ContentBits=2
authentication-results: huawei.com; dkim=none (message not signed) header.d=none;huawei.com; dmarc=none action=none header.from=juniper.net;
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 55e2f7e4-954c-4b43-a2cd-08d95cc4de47
x-ms-traffictypediagnostic: BY3PR05MB8353:
x-microsoft-antispam-prvs: <BY3PR05MB83535B8E7E3C2E81D82701DFC7F89@BY3PR05MB8353.namprd05.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:8882;
x-ms-exchange-senderadcheck: 1
x-ms-exchange-antispam-relay: 0
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: 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
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BY3PR05MB8081.namprd05.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(376002)(39860400002)(136003)(346002)(366004)(71200400001)(478600001)(122000001)(966005)(7696005)(6506007)(53546011)(38100700002)(38070700005)(83380400001)(52536014)(33656002)(110136005)(5660300002)(186003)(86362001)(2906002)(26005)(8936002)(9686003)(66446008)(64756008)(66556008)(66476007)(66946007)(55016002)(316002)(76116006)(8676002); DIR:OUT; SFP:1102;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?ZzF2CGMMt4PInerp2xO4mabBdo4ZCLpOUMePfc2Vpxzm5w5YB1Gt7mPKeqDA?= =?us-ascii?Q?/FR35LPfJypH3iW8E5Hg2zrCXB0vbrjmb29DrWfLyLNL7S9b180xMeiOfsK3?= =?us-ascii?Q?dgKvg5FmpU/UCyu47WCPUscU+IwRqB7J6nd22hfM/mHHVH+nmjIqgzFfD2yk?= =?us-ascii?Q?rQJqTjIAoDQpONCUjFxGuP/TLucEGVUdoP1SSpdVarqovnGVDv7DgakgP7DY?= =?us-ascii?Q?222xec0X/UgZDc0luAFVuKZOlxg7Yr/OyVdZcHdoer+D7ODpWYDYD4d4RR3Y?= =?us-ascii?Q?2oXvif44E//tPKowmPzGW9RedAPFSAvxgQTgsz3QRXiwyKZG31/wmO8aULjN?= =?us-ascii?Q?SoIZP9LeV0w0dcwFhKOAUHBQFMzNh8lfmYfqhv/yiMK81vodZv+Mu/+Qcd71?= =?us-ascii?Q?LchW3kKWiymE9L3f1AezM2uV/6PIfdADo2UphjAnRN75OXxBZQ0XUctxHc7i?= =?us-ascii?Q?Fj+u4rwZGHyyY+f27yhFXFVwdx0fFVvm2DEjdY7Y5FPj+cSgmJt0wO47mDDr?= =?us-ascii?Q?F/fzos1Qso4N7DqVyaFXMwaiWlCrvOO5WaHtIgVuSaxOF4fdJtm8cumb8A9L?= =?us-ascii?Q?bfZDDtTs2uKkjQH+S7VSJsDp6zWb1meyyP3BH9yf04rG8NACu+mnrUlIvy1D?= =?us-ascii?Q?D6pmSnvPEPxdnIRkRVa9F44DFtZpRiLUO0ko9P293L2AZ99ZLFIDv5bEAOiJ?= =?us-ascii?Q?Fwr16XPXzbK1Fux2JFy+kfX+rGf5MXAESndoqF/VON0r0pp+dZHwP0V6S4eX?= =?us-ascii?Q?Od63dnxVb0dp0lFBCn/rXVV/C09D4x02jNLZSkjTe/1d8+kY71JjIL5gB7J9?= =?us-ascii?Q?LFEdC4d8pHiUCqxsISgqrWDYWJIGTVD0EOj5Ag9+lpCXZ8DP0xGMpTEH4EOv?= =?us-ascii?Q?YVIQft9baowkCa7s2Vc9qsOqjJU4I3eUpbQ+yu4GFJtl26qb1LMeMHkIwdjY?= =?us-ascii?Q?/odSWFy5UGn4yo+pGJqmVSccd53W9awP4aMkGcA0L8UIrpQAjUN28iwjE5je?= =?us-ascii?Q?moqPN1kiapNuQXm/NSmXWpup4pu+g39ozqbxOi1dbdt70NN0s98zcuc0rmjU?= =?us-ascii?Q?bnkfmoFl3kiLUHRPCXcgSdvquVBTAlKwTEB8X4R6kr3hJthC6zewqxbHS3vV?= =?us-ascii?Q?+GCNggH3Un+G+IApmx6J3R4SduGr3rt5gmZ00S6UWwY/OxEfF7GvhBtA8iWE?= =?us-ascii?Q?RAmUP5fF2oPx3/AAMpw+T2C1c95IIobdYwxyM4r0u7JTGQN2MaIfTv9Bq/kw?= =?us-ascii?Q?huzPL1cNV1VS51eM2Sdqs5+2QVoI4AwuT98eOdXqyZ68MZ9lILYWscTQOjpX?= =?us-ascii?Q?81EngItJYZr2BKAjGo4vTk8d?=
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: juniper.net
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: BY3PR05MB8081.namprd05.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 55e2f7e4-954c-4b43-a2cd-08d95cc4de47
X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Aug 2021 12:38:06.0684 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: 24HIQsMi6ia0H2rJytc2vNzcMN1g6qTH+/V/pDXLNc1KrDVQgkv2nNrmdBC3JsnK1NoY736NWTf8/f2sXfzcKg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY3PR05MB8353
X-Proofpoint-GUID: ykX0fUZl4eopbRh7uEaj8JVNNwzphFyD
X-Proofpoint-ORIG-GUID: ykX0fUZl4eopbRh7uEaj8JVNNwzphFyD
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-08-11_04:2021-08-11, 2021-08-11 signatures=0
X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 mlxlogscore=816 mlxscore=0 suspectscore=0 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2108110085
Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/E1M0CB7E06-0hR5Lhrhx5xhQjBo>
Subject: Re: [Teas] New term for the underlay construct used for slice realization
X-BeenThere: teas@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Traffic Engineering Architecture and Signaling working group discussion list <teas.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/teas>, <mailto:teas-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/teas/>
List-Post: <mailto:teas@ietf.org>
List-Help: <mailto:teas-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/teas>, <mailto:teas-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 11 Aug 2021 12:38:25 -0000

Jimmy,

Snipped, comments inline.

Yours Irrespectively,

John


Juniper Business Use Only

> -----Original Message-----
> From: Dongjie (Jimmy) <jie.dong@huawei.com>
> Sent: Tuesday, August 10, 2021 11:03 PM
> To: John E Drake <jdrake@juniper.net>et>; Lizhenbin <lizhenbin@huawei.com>om>;
> teas@ietf.org
> Subject: RE: New term for the underlay construct used for slice realization
> 
> [External Email. Be cautious of content]
> 
underlay construct for network slice realization bound to
> > > network slice services? That is, is the underlay construct only for
> > > use in network slicing, or should it be generalized for more possible uses?
> >
> > [JD] Absolutely yes
> 
> [Jie] I guess you mean "Yes" to the latter case, which is "it should be generalized
> for more possible uses", is my understanding correct?

[JD]  Yes to the latter 

> 
> >
> > >
> > > 2.      If the answer to question 1 is YES, should it reflect the following
> > > characteristics?
> > >
> > > a.      It is about the underlay
> > > b.      It is about the partitioned resources used to deliver the network slice
> > > services
> > > c.      It allows the 1:1, N:1, and 1:N mapping models between the network
> > slice
> > > services and the underlay construct. The 1:1 and N:1 mapping may be
> > > straightforward. Does it also make sense to divide the elements or
> > > traffic flows in a single network slice service to carry them in
> > > different
> > underlay constructs?
> >
> > [JD]  Yes to all of the above.  Please see:
> > https://urldefense.com/v3/__https://datatracker.ietf.org/doc/html/draf
> > t-drake-bess-enhanced-vpn-06__;!!NEt6yMaO-
> gk!TCiJHCZCwFgwpuFoujxVlZ4r9
> > F6mLpE4nJ-9zpqkY-kls-ROxL4C2_xNaR2ImI4$
> > >
> > > Lastly, here are some candidates of the "new term":
> > >
> > > Option 1: The network slice service is called "overlay slice", then
> > > the underlay construct is called "underlay slice".
> > >
> > > Option 2: The network slice service is called "service slice", then
> > > the underlay construct is called "resource slice".
> >
> > [JD]  I don't think we need another term for what we are already
> > calling an 'IETF Network Slice Service'.  Adrian and I are considering
> > the term 'resource partition' to describe the partitioning of underlay
> > network resources in support of various overlay services such as IETF Network
> Slice Services.
> > This is congruent with the ideas expressed in:
> > https://urldefense.com/v3/__https://datatracker.ietf.org/doc/html/draf
> > t-ietf-spring-resource-aware-segmen__;!!NEt6yMaO-
> gk!TCiJHCZCwFgwpuFouj
> > xVlZ4r9F6mLpE4nJ-9zpqkY-kls-ROxL4C2_xNxEfwaXg$
> > ts-03.  What this allows one to build is an 'partitioned underlay
> > network topology'.
> 
> [Jie] Agree that here we are talking about the term for the underlay construct.
> "Resource partition" captures one of its key characteristics, while IMO another
> thing the term needs to reflect is that the resource partition is needed on a
> subset of the links and nodes (rather than on a single node or link) in the physical
> network, which together builds a logical network topology.

[JD]  In my initial email, above, I was proposing 'partitioned underlay network topology'

> 
> Best regards,
> Jie
> 
> >
> > >
> > > Your opinion about these candidates are much appreciated. You may
> > > also propose other new term if it complies with the above two points.
> >
> > [JD]  I think you have exceeded your remit.
> >
> > >
> > >
> > >
> > > Best Regards,
> > > Robin
> > >
> > > _______________________________________________
> > > Teas mailing list
> > > Teas@ietf.org
> > > https://urldefense.com/v3/__https://www.ietf.org/mailman/listinfo/te
> > > as
> > > __;!!N
> > > Et6yMaO-gk!Q0ycOf0ELxT6mG1GbnO4LSL-Q99J4uu7jfdUtBECaI-
> > > O08HqD31TGJciNjuxL2A$
> >
> > _______________________________________________
> > Teas mailing list
> > Teas@ietf.org
> > https://urldefense.com/v3/__https://www.ietf.org/mailman/listinfo/teas
> > __;!!NEt6yMaO-gk!TCiJHCZCwFgwpuFoujxVlZ4r9F6mLpE4nJ-9zpqkY-kls-
> ROxL4C2
> > _xNDCrPaNQ$