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 E4122120044
 for <spring@ietfa.amsl.com>; Mon, 14 Oct 2019 11:36:09 -0700 (PDT)
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
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 ANfcoJCyvzI0 for <spring@ietfa.amsl.com>;
 Mon, 14 Oct 2019 11:36:08 -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 3F5ED12003E
 for <spring@ietf.org>; Mon, 14 Oct 2019 11:36:08 -0700 (PDT)
Received: from pps.filterd (m0108161.ppops.net [127.0.0.1])
 by mx0b-00273201.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id
 x9EIGO0A011646 for <spring@ietf.org>; Mon, 14 Oct 2019 11:36:00 -0700
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=2Bqqp4MQx5XCMXG8Xjja+X7EgqxFAyiT2mXxs1o/i68=;
 b=e+8pJrKjw5it0SbGtN9L8QKgvx38zNnbKDZDIkeyuPny+qkKhyBw0hET1WepBYqukchN
 0fHVajzBIIOd5ztv7zDb2pUsv2OHoVBcFNDsZlaTARpwxEfPPCIIL8lXAjhyavwCgg8L
 FbGtqzqEvjHCdCf+gSkZ2peFCdlZr9ejowajWf4cCL473ywHiFgE/jhcxOGyLe5cxFA2
 vUj/Nzm/uvZeNdOsIEOoyIVMv5NdCvl50xzgS17Cdfl4UzPWIks+NKfag7iC5N/YM/81
 NTWVoj0/L7HmU4xHebzdY07pEP0b3o7ml7/9k0oUagOaU8wp7AH4VyB3wTxyieQ+Zjda IA== 
Received: from nam01-by2-obe.outbound.protection.outlook.com
 (mail-by2nam01lp2054.outbound.protection.outlook.com [104.47.34.54])
 by mx0b-00273201.pphosted.com with ESMTP id 2vkdxyk3hd-1
 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT)
 for <spring@ietf.org>; Mon, 14 Oct 2019 11:35:59 -0700
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
 b=CK3nOhD4ZUIifvg2u0RtzDuOOPStxruDxoPU0XqidKlWxOSLRj0mNohD+TWxlHi6Z5rR6fLK0pk+bRc7ulizzERcHpXdxmDwigOByvCsYq/h9V2JhU6eZ8S2Mfq7kSLDF+IRQlcqsfDVSXLNgnTvFVpR8D0jIXTr3xrHtBjCefyO1JQFw8Z/XfPpNWT4EaiNkz19oj90DyEsxExD3mE8JOil2vszF2I62uA2gmS2etqburF2zDnqcDDZ0hCqeFYmCynW30wmspTVrvxJismEsi+hYIsCoWBOlgngOUocKtcED4NvqfY5oVaC4MkCJt2Cf3sjpPUWBAl5LDdZ7SoShQ==
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=2Bqqp4MQx5XCMXG8Xjja+X7EgqxFAyiT2mXxs1o/i68=;
 b=R5+lmOCF5I3tm7gsdtihYOaAs5KH+JhnEoKT/XbueO20zcpEYfFcGK1K1yo+MN1UwzpdMty0Z735p1j0a5u7v0RgizqkngZw46axb3Oszl/Z2L6KPDtQD6ZPZsIBpe8Y6PMupXSJvZ0+VU6upvWtzEtzR9gerH0xN9OBREgCW3HUVsL/gYNyI00mvAD//F2KJCZNRZ21/j96+8Ln6fmP/vh02DodThYykhP9tkXyCOwKsObiYopf+i1VJqMkgKpaqXrlti9LsFei/P9qDijqz9JXmBu97xeOhiR+WKzRkCWOUwf4KKzBNrkJ2O/ykeOGT1iN1K+NWWiWCvmyIF+fMA==
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
Received: from BN7PR05MB5699.namprd05.prod.outlook.com (20.176.28.88) by
 BN7PR05MB4116.namprd05.prod.outlook.com (52.132.218.25) with Microsoft SMTP
 Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.20.2347.11; Mon, 14 Oct 2019 18:35:50 +0000
Received: from BN7PR05MB5699.namprd05.prod.outlook.com
 ([fe80::c9d9:5faf:5aee:ee8d]) by BN7PR05MB5699.namprd05.prod.outlook.com
 ([fe80::c9d9:5faf:5aee:ee8d%6]) with mapi id 15.20.2347.023; Mon, 14 Oct 2019
 18:35:50 +0000
From: Ron Bonica <rbonica@juniper.net>
To: SPRING WG List <spring@ietf.org>
Thread-Topic: draft-ietf-spring-srv6-network-programming :Section 4.16.2
Thread-Index: AdWCvcyra4oz6RKnREKiNY8QTqiE5Q==
Content-Class: 
Date: Mon, 14 Oct 2019 18:35:49 +0000
Message-ID: <BN7PR05MB56996E6255053373C17A61A8AE900@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=2019-10-14T18:35:48.1737397Z;
 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=d7b68cfd-fc82-4729-a013-80ffb90d885d;
 MSIP_Label_0633b888-ae0d-4341-a75f-06e04137d755_Extended_MSFT_Method=Automatic
dlp-product: dlpe-windows
dlp-version: 11.2.0.14
dlp-reaction: no-action
x-originating-ip: [108.28.233.91]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 9085c270-1c7c-4cd5-6771-08d750d55634
x-ms-office365-filtering-ht: Tenant
x-ms-traffictypediagnostic: BN7PR05MB4116:
x-microsoft-antispam-prvs: <BN7PR05MB41169DE2A611DF09A8050F83AE900@BN7PR05MB4116.namprd05.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:5236;
x-forefront-prvs: 01901B3451
x-forefront-antispam-report: SFV:NSPM;
 SFS:(10019020)(346002)(396003)(136003)(39860400002)(366004)(376002)(189003)(199004)(486006)(74316002)(476003)(99286004)(256004)(7696005)(6436002)(478600001)(7736002)(25786009)(14454004)(316002)(33656002)(6306002)(8676002)(8936002)(76116006)(55016002)(71190400001)(66066001)(81166006)(71200400001)(52536014)(186003)(2906002)(102836004)(6506007)(26005)(5660300002)(558084003)(81156014)(66476007)(64756008)(66446008)(66556008)(9686003)(6916009)(66946007)(6116002)(790700001)(86362001)(3846002);
 DIR:OUT; SFP:1102; SCL:1; SRVR:BN7PR05MB4116;
 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: Z374D7GnZzHlvfMXsMdv52VrjHwYjD0pBh238KTef0Cdor68imtovda5TM7YLN/Ppijb1SU+An4G2UbcrzyKQeOlq9J2FKGefKUaAryqYRdjfzLqoTo90sqjqNhXiZWRflI1aWsB/u9AV2U9bNJWXtRmRfJtXA1MgE0DaM2Qv7j48enu5zm0F80jUDpaCK3btwO279fuaOBL+SxPkW03b5++F1UjgjbaW3drEZhCK/gjWc1cbnG6epgzH2gvEE/GSCcd8wro6vMBKCdjLGjJBaWoGGTU4eIOxdNuUxPgqCwa1CYAjg5df+oHUxr1nm/NvoRP9GYeMGoZ3eWZHLiO2p0FB6nY/3G5P1s6PUZYW2/XcLOQwTh8Y92HwEYBGku9leAHJ8LYl5Alr3Vx91bymUd5t53c4YEOYLTjXDyzPCs=
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative;
 boundary="_000_BN7PR05MB56996E6255053373C17A61A8AE900BN7PR05MB5699namp_"
MIME-Version: 1.0
X-OriginatorOrg: juniper.net
X-MS-Exchange-CrossTenant-Network-Message-Id: 9085c270-1c7c-4cd5-6771-08d750d55634
X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Oct 2019 18:35:49.9696 (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: 5LmRTxVzPXyAj3ZgGpDc8E6o7TRr8F9ndyTWi1bGNenB+XZxmY3YUO7Yr7FupA3qSDswNsw7p4EFaaKW8KuwwA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PR05MB4116
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8
 definitions=2019-10-14_09:2019-10-11,2019-10-14 signatures=0
X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam
 score=0 mlxscore=0
 lowpriorityscore=0 malwarescore=0 spamscore=0 clxscore=1015 adultscore=0
 phishscore=0 suspectscore=0 bulkscore=0 mlxlogscore=824 impostorscore=0
 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1
 engine=8.12.0-1908290000 definitions=main-1910140150
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/Dna7f1VAD0b5K9_RDchK17xgAmQ>
Subject: [spring] draft-ietf-spring-srv6-network-programming :Section 4.16.2
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: Mon, 14 Oct 2019 18:36:10 -0000

--_000_BN7PR05MB56996E6255053373C17A61A8AE900BN7PR05MB5699namp_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Authors,

The USP flavor of the END, END.X and END.T functions isn't needed.

USP is the default IPv6 behavior. So, if the source node specifies SID[0] a=
s an RFC 4291 address on the SR egress node, you get the USP behavior for f=
ree.

                                                           Ron



Juniper Business Use Only

--_000_BN7PR05MB56996E6255053373C17A61A8AE900BN7PR05MB5699namp_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr=
osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:=
//www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
<meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
	{font-family:"Cambria Math";
	panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
	{font-family:Calibri;
	panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
	{margin:0in;
	margin-bottom:.0001pt;
	font-size:11.0pt;
	font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
	{mso-style-priority:99;
	color:#0563C1;
	text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
	{mso-style-priority:99;
	color:#954F72;
	text-decoration:underline;}
span.EmailStyle17
	{mso-style-type:personal-compose;
	font-family:"Calibri",sans-serif;
	color:windowtext;}
.MsoChpDefault
	{mso-style-type:export-only;
	font-family:"Calibri",sans-serif;}
@page WordSection1
	{size:8.5in 11.0in;
	margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72">
<div class=3D"WordSection1">
<p class=3D"MsoNormal">Authors,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The USP flavor of the END, END.X and END.T functions=
 isn&#8217;t needed.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">USP is the default IPv6 behavior. So, if the source =
node specifies SID[0] as an RFC 4291 address on the SR egress node, you get=
 the USP behavior for free.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ron=
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<br>
<p class=3D"msipfooter30b3d538" align=3D"Center" style=3D"margin:0"><span s=
tyle=3D"font-size:7.0pt;font-family:Calibri;color:#000000">Juniper Business=
 Use Only</span></p>
</div>
</body>
</html>

--_000_BN7PR05MB56996E6255053373C17A61A8AE900BN7PR05MB5699namp_--

