[spring] SRv6 Network Programming and Link Local Source Addresses

Ron Bonica <rbonica@juniper.net> Sat, 30 November 2019 20:36 UTC

Return-Path: <rbonica@juniper.net>
X-Original-To: spring@ietfa.amsl.com
Delivered-To: spring@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 74D7D1200BA for <spring@ietfa.amsl.com>; Sat, 30 Nov 2019 12:36:52 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-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=0oWaoO1G; dkim=pass (1024-bit key) header.d=juniper.net header.b=GNxZ+yBb
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 tTFq6QLbaoTC for <spring@ietfa.amsl.com>; Sat, 30 Nov 2019 12:36:51 -0800 (PST)
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 E35E812008F for <spring@ietf.org>; Sat, 30 Nov 2019 12:36:50 -0800 (PST)
Received: from pps.filterd (m0108160.ppops.net [127.0.0.1]) by mx0b-00273201.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAUKanrn007321 for <spring@ietf.org>; Sat, 30 Nov 2019 12:36:49 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juniper.net; h=from : to : subject : date : message-id : content-type : mime-version; s=PPS1017; bh=1p2+ECGmU5eBBie0f6cq9euRhvcoFJWZycNyNSWiq1s=; b=0oWaoO1GiL/u8GqXzmDeqAUIA5+tmq5kQnDWWUWCDfvPvPsGHaC81KvYRGUVZWkZ3RGw /RBw1anNK3l4OCnTtCML/XQ9twa4dJwo3a/rDkZ8MCsLrr9yEHnqW/Py+gBXs+YtNXRN roEGgMeX6TQyvxPPFamdutZtmVoryugagyFG+KwbC3Y2/W2R08+4IGPZqUVskANj8mEj EIdTXze/WMRYV6FX4vymqMwx7S0rpMgWICPX8rLETwQOR926Gzur9uekVadaPPpR7Rw0 YEsngrmzuklQX/KReC9oqzd22ukbrXb3f4ku8/KgrEtg5rIvpMl04jozuQUgYkDgxifR uw==
Received: from nam02-cy1-obe.outbound.protection.outlook.com (mail-cys01nam02lp2053.outbound.protection.outlook.com [104.47.37.53]) by mx0b-00273201.pphosted.com with ESMTP id 2wkq7jrfds-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for <spring@ietf.org>; Sat, 30 Nov 2019 12:36:49 -0800
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AuwIBEJuHktkbeyYihnbnjibQeKeOnM+//AnOzk6Rt89xZstBywdVfqA8dmtuB6EAt02Wnoz1QS3E/6Fmt7fP//5wuv0lRlVLR5PoDJZP6K+Aypqm9Qk3ty2V/PHQapl0365YZyYzwBzAK882zT+n0MMDkbxRD3Tz1fhpXMq2gsP1rsCLwbSaPIbonchKFi9jvBjsrIH882J0PfHcFGeNiDrrUglo083Mxo5QKpTEnWkAZynsiBQgytHAzsI9T9L8oaKvDhLVPizbRUrryWPB2OlcGgXz5DmRfS3Jrlx+3fsaTqQqrODCkxqMt6bZmtLyLmPzRIg3d2QtB5VlLAY7w==
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=1p2+ECGmU5eBBie0f6cq9euRhvcoFJWZycNyNSWiq1s=; b=k5QQe7XkKMgGY7JhJaGUCAyb8kMt4UNCqfz9W7Vu/zVvyjhav83HCNGiUOdrdmTjihZlyt+DxXiIsIKEeBG10RDTGeJ/oOz6vcglJtmrqmgDSOo43sWNgQ++RX1iX8cjvj5VCqRDX6GqLd+eexEgkSTxuYnNHze1Hwjc6Xrl7dD0jIBNTDvGGXzWt4wx3tG21llqUP7rlnmKbpZn+ShE3gnYG/DmWUMFb7BqbMAj2b7fs6QKkQwgQRZ2TnruuafO2BsKoFRrygoFiG0AT/+9P1Af26cUVm2zZVCL5Qsk52M9+5KucxljlW1Sg4pUa1iFDagqrLwMGiLkXLTpEO1xaQ==
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=1p2+ECGmU5eBBie0f6cq9euRhvcoFJWZycNyNSWiq1s=; b=GNxZ+yBbW6b6jctUrWq3jUS0eU7b7tHC8Z1dAOMoRgdggQYrJzT1Ja2u3V8h0y8GFX8bk1WN3ijVD2bXdTD3X5SIXnTBa4DdDhu4wJSvbmpyaNgL51F2KZPYpnGnWtFdM3oCdvrHU4kwhE5Y//2rywcwTfOr4JpulabG3C4tLzU=
Received: from BN7PR05MB5699.namprd05.prod.outlook.com (20.176.28.88) by BN7PR05MB4290.namprd05.prod.outlook.com (52.132.223.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2516.5; Sat, 30 Nov 2019 20:36:40 +0000
Received: from BN7PR05MB5699.namprd05.prod.outlook.com ([fe80::185e:d297:6499:4987]) by BN7PR05MB5699.namprd05.prod.outlook.com ([fe80::185e:d297:6499:4987%7]) with mapi id 15.20.2516.003; Sat, 30 Nov 2019 20:36:40 +0000
From: Ron Bonica <rbonica@juniper.net>
To: SPRING WG <spring@ietf.org>
Thread-Topic: SRv6 Network Programming and Link Local Source Addresses
Thread-Index: AdWnvRd0lqtmH80YQu+C6Oz5BkM5rg==
Content-Class:
Date: Sat, 30 Nov 2019 20:36:40 +0000
Message-ID: <BN7PR05MB5699A179E7206F3899564234AE410@BN7PR05MB5699.namprd05.prod.outlook.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
msip_labels: MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Enabled=True; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SiteId=bea78b3c-4cdb-4130-854a-1d193232e5f4; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Owner=rbonica@juniper.net; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_SetDate=2019-11-30T20:36:39.5016613Z; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Name=Juniper Business Use Only; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Application=Microsoft Azure Information Protection; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_ActionId=c41c5740-f997-4972-b41c-36a3cd792db5; MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Extended_MSFT_Method=Automatic
dlp-product: dlpe-windows
dlp-version: 11.3.2.8
dlp-reaction: no-action
x-originating-ip: [66.129.241.11]
x-ms-publictraffictype: Email
x-ms-office365-filtering-ht: Tenant
x-ms-office365-filtering-correlation-id: e4b5091c-7233-4d27-9946-08d775d5015b
x-ms-traffictypediagnostic: BN7PR05MB4290:
x-microsoft-antispam-prvs: <BN7PR05MB42902107E9A8925A88DA436FAE410@BN7PR05MB4290.namprd05.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:6430;
x-forefront-prvs: 02379661A3
x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(346002)(136003)(396003)(39860400002)(376002)(366004)(189003)(199004)(33656002)(6436002)(25786009)(4744005)(6916009)(2906002)(7736002)(86362001)(76116006)(8676002)(99286004)(6306002)(66066001)(74316002)(3846002)(81166006)(71190400001)(790700001)(71200400001)(66446008)(316002)(6116002)(7696005)(81156014)(186003)(6506007)(8936002)(14454004)(26005)(66946007)(66476007)(66556008)(9686003)(102836004)(5660300002)(52536014)(256004)(55016002)(64756008)(478600001); DIR:OUT; SFP:1102; SCL:1; SRVR:BN7PR05MB4290; H:BN7PR05MB5699.namprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1;
received-spf: None (protection.outlook.com: juniper.net does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: DK60qAIymQgFNkBZAdqF8EJmdBZOzby7oGZStDPONnZl++AipB6jaJFmbnVtj5RdmqHI+X5Lh99xVstCuGGC4wkBFaViAHPD3UPzUjWuAsv8HsF9hVA7t3GnAc37eF4atusrcoO7WQdS+E34tYwboOQPIjF067idFL1ZW3TqBhXPVFZsasORpkDabyUBrJgPhLfDwTwCoj2VWRJGFZZ5wEe001Ky6A72AvX2Zo4mJz4yMetFoi8HpAE9yPG8wBTDkpyZO6I7F9z0Z/btJoaW5tP47Z0A2uno5Ez9Q7K4Orv/45nTs6Opl9vZ0E9pyiVgCzKfbe2Ww/k8Zeoe8VbMN755soXPV5hbndJDKLj24nBRWaPW54hLaiel9mA+6zSo24hoonF3rcLAqH9gL9CIg3b6UWd/yvbrcVh/n8i7ukwUtBKrbo9hAsZCQfgRC8Oh
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative; boundary="_000_BN7PR05MB5699A179E7206F3899564234AE410BN7PR05MB5699namp_"
MIME-Version: 1.0
X-OriginatorOrg: juniper.net
X-MS-Exchange-CrossTenant-Network-Message-Id: e4b5091c-7233-4d27-9946-08d775d5015b
X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Nov 2019 20:36:40.6339 (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: BlqRke3YcjVnYTt5tjbwiLvti2513vrW6x9DyUsVjAeeqRF4cYNuBFbX63Ii5mV+ALvTFfursJkD1Nljz753vw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR05MB4290
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-30_06:2019-11-29,2019-11-30 signatures=0
X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 priorityscore=1501 adultscore=0 suspectscore=0 mlxlogscore=964 phishscore=0 lowpriorityscore=0 bulkscore=0 mlxscore=0 impostorscore=0 malwarescore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911300184
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/wCcVWXqbjwZW9-pJmYgZ1gC8Xrk>
Subject: [spring] SRv6 Network Programming and Link Local Source Addresses
X-BeenThere: spring@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" <spring.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/spring>, <mailto:spring-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/spring/>
List-Post: <mailto:spring@ietf.org>
List-Help: <mailto:spring-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/spring>, <mailto:spring-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 30 Nov 2019 20:36:52 -0000

Pablo,

Consider the packet (SA,DA) (S3, S2, S1; SL) where:


  *   SA is link-local (fe80)
  *   DA, S3, S2, and S1 are all END.X

Section 4.2 suggests that this packet will be delivered over multiple hops to its destination, regardless of its link-local source address.

Is this the case?

                                                             Ron






Juniper Business Use Only