Re: [spring] 64-bit locators

"Pablo Camarillo (pcamaril)" <pcamaril@cisco.com> Thu, 19 December 2019 11:47 UTC

Return-Path: <pcamaril@cisco.com>
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 94E281200FD for <spring@ietfa.amsl.com>; Thu, 19 Dec 2019 03:47:55 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.498
X-Spam-Level:
X-Spam-Status: No, score=-14.498 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, 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=Nx32VCwR; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=f9rjDCaL
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 Izg_y389H80y for <spring@ietfa.amsl.com>; Thu, 19 Dec 2019 03:47:53 -0800 (PST)
Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CFFA51200F9 for <spring@ietf.org>; Thu, 19 Dec 2019 03:47:53 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=2472; q=dns/txt; s=iport; t=1576756073; x=1577965673; h=from:to:subject:date:message-id:references:in-reply-to: content-id:content-transfer-encoding:mime-version; bh=rpTGuziTWTP2UveZJXYmxzcg1UILCykL7Qiw+2Tax9k=; b=Nx32VCwRkuxZ5SAOd8XinGu44L/BlVE20WNYA2SmuYuKdDw0KpEoiZ2t jraw8SQJXQkAq9x5w0N4a40efR8xiyNekjI1AprUY6kiTZhrcB8J5Zkjd pY7AeiqG/TbxLkHHEnYsCfncou7j5PJ5oJ8Mjn1VWSi7V6QkqYebXrcKr k=;
IronPort-PHdr: 9a23:WYQymRbDHYCtleE/zHqcsEH/LSx94ef9IxIV55w7irlHbqWk+dH4MVfC4el20gabRp3VvvRDjeee87vtX2AN+96giDgDa9QNMn1NksAKh0olCc+BB1f8KavyZCU/Fd5DUHdu/mqwNg5eH8OtL1A=
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0BCAgDTYvtd/4MNJK1kHAEBAQEBBwEBEQEEBAEBgWsEAQELAYFMUAVsWCAECyqEBoNGA4p0ToFsJYldjiqCUgNUCQEBAQwBARgNCAIBAYN7RQIXggQkNwYOAgMNAQEEAQEBAgEFBG2FNwyFXgEBAQECAQEBEBERDAEBLAwLBAIBCBEDAQIDAiMDAgICHwYLFAEICAEBBAESIoMAAYJGAw4gAQ6hUgKBOIhhdYEygn4BAQWCSoJVDQuCDAMGgQ4oAYwYGoFBP4ERJwwUgkw+ghtJAQGBYxeCeTKCLJA3nhNDCoI1hzGKPYQmG5pRjk6IUoIcj2MCBAIEBQIOAQEFgWgjKoEucBU7KgGCQVAYDY0Sg3OFFIU/dIEoj1wBAQ
X-IronPort-AV: E=Sophos;i="5.69,331,1571702400"; d="scan'208";a="673599168"
Received: from alln-core-1.cisco.com ([173.36.13.131]) by rcdn-iport-3.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 19 Dec 2019 11:47:52 +0000
Received: from XCH-ALN-006.cisco.com (xch-aln-006.cisco.com [173.36.7.16]) by alln-core-1.cisco.com (8.15.2/8.15.2) with ESMTPS id xBJBlqD9028596 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=FAIL); Thu, 19 Dec 2019 11:47:52 GMT
Received: from xhs-rtp-001.cisco.com (64.101.210.228) by XCH-ALN-006.cisco.com (173.36.7.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 19 Dec 2019 05:47:52 -0600
Received: from xhs-rcd-001.cisco.com (173.37.227.246) by xhs-rtp-001.cisco.com (64.101.210.228) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 19 Dec 2019 06:47:51 -0500
Received: from NAM02-BL2-obe.outbound.protection.outlook.com (72.163.14.9) by xhs-rcd-001.cisco.com (173.37.227.246) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Thu, 19 Dec 2019 05:47:51 -0600
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=m488uLgwV+RfXiFU8ULzXb0h1V2f3osjmWrGxkDxUNuk2yWJECM0+CR0LVnkTOKZtLCBbT82btm6afsdy9DBw8JoFA7us3QcneaXCGPOBQ+vUfwWdG8s9EmOmOuz+WD8j0MVUXiObTWenZXpDlTBDnK/r6b5zw3XOUFC02D18n238JTZ1/FIflhSYlyVwJKEMOzB1tc9h1d7titBTiOqhdhxLNN/lPGaoyLmUwmSrtF4hHQW3mkNBJtCKh6aJscu43xWvMRjNozJ9ifuEYD1KWdLN2bL7VluQe+W1ur6arNO7bG6DCuD08B9ly3QQqb7y7f42gnpW9pi33H8KfSGkg==
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=rpTGuziTWTP2UveZJXYmxzcg1UILCykL7Qiw+2Tax9k=; b=OapapWDYGQppMiHDZ74/R7f69JNC/hd+E1tdW3jHfV1ogMnYiIh5EzsDLLMojzFRezL39vVQVstM+49ST+rJfrwaG92MXo1RKMqvubR4z2k2IS9uB+/FgPcYujpu5cslmowHcLMf9QDB1F6oZ0YSqu82oEzbmfaCUwJmyEowZgUPueUjWuElSPJveTvsD5cAZtSRvqi7vQUqK17HkCXMV4PmIb/Tv1P1RxPdmm4DD6FoDSJ5F60MMDo1iBRsR1R4s7T1oCcQlXWJGVTMPUYzCYQUfEBIPmfWQqQwYBjq/JB1kjKfv1xEDUNTGNd1ReOmgcbWx46H/H17YwOP0RTpYQ==
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=rpTGuziTWTP2UveZJXYmxzcg1UILCykL7Qiw+2Tax9k=; b=f9rjDCaLCxJPCGkpicKJM+ZVE93q81U5ejLUkjMlCzsitzWqw8XYf0BR9wDr70zBPpAzmcXVIEKn0CoB16o0zuHU9EwqkzlgYQekDfWgGE0vB/wyVQJqgzcoXNM4lspiqIrsy+WsA0j94EYD5PjXELZ55memn1q6Wk3AuqEB2Bw=
Received: from MWHPR11MB1374.namprd11.prod.outlook.com (10.169.234.8) by MWHPR11MB1262.namprd11.prod.outlook.com (10.169.236.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2559.15; Thu, 19 Dec 2019 11:47:50 +0000
Received: from MWHPR11MB1374.namprd11.prod.outlook.com ([fe80::b04b:c9bb:2378:7a8d]) by MWHPR11MB1374.namprd11.prod.outlook.com ([fe80::b04b:c9bb:2378:7a8d%11]) with mapi id 15.20.2538.022; Thu, 19 Dec 2019 11:47:50 +0000
From: "Pablo Camarillo (pcamaril)" <pcamaril@cisco.com>
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>, "spring@ietf.org" <spring@ietf.org>
Thread-Topic: [spring] 64-bit locators
Thread-Index: AdW1xQ51WdCKfYi8Srq12h55LZUKvwAM7yQAABPs9wAACIEPAA==
Date: Thu, 19 Dec 2019 11:47:49 +0000
Message-ID: <63F5AA66-AEF8-4278-B98C-D3C53AC5A60A@cisco.com>
References: <BN7PR05MB5699D85CC99CB23B1B573901AE530@BN7PR05MB5699.namprd05.prod.outlook.com> <CAO42Z2yAH4ECeB+PGRS98HgZHXtTq3iX1x6aMSPjKgS6O1GDAQ@mail.gmail.com> <8f5607c9-645a-ea88-e2a7-a4bed8206fc8@gmail.com>
In-Reply-To: <8f5607c9-645a-ea88-e2a7-a4bed8206fc8@gmail.com>
Accept-Language: en-US
Content-Language: en-GB
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/10.20.0.191208
authentication-results: spf=none (sender IP is ) smtp.mailfrom=pcamaril@cisco.com;
x-originating-ip: [2001:420:44da:1250:2dac:e1f3:236d:5679]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 25c9ff06-bb95-44c4-7b54-08d784794639
x-ms-traffictypediagnostic: MWHPR11MB1262:
x-microsoft-antispam-prvs: <MWHPR11MB1262B27ED7978355356CFA89C9520@MWHPR11MB1262.namprd11.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:9508;
x-forefront-prvs: 0256C18696
x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39860400002)(366004)(346002)(136003)(376002)(396003)(189003)(199004)(13464003)(8936002)(2616005)(81166006)(81156014)(6486002)(36756003)(186003)(6506007)(53546011)(66476007)(66556008)(64756008)(66446008)(66946007)(91956017)(76116006)(6512007)(86362001)(71200400001)(316002)(8676002)(110136005)(478600001)(966005)(2906002)(33656002)(5660300002); DIR:OUT; SFP:1101; SCL:1; SRVR:MWHPR11MB1262; H:MWHPR11MB1374.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1;
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: 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
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="utf-8"
Content-ID: <599D638F6E83E64DA6B28860378658A9@namprd11.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 25c9ff06-bb95-44c4-7b54-08d784794639
X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Dec 2019 11:47:49.8616 (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: meFgh/4r8OJbL+LqmgFVPydXr/ygw5ClM+ulzY7aBBO6b0Lij4O410DDGRrQQ0rTyGz/DFbBWF1Oh/JDv0cceA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1262
X-OriginatorOrg: cisco.com
X-Outbound-SMTP-Client: 173.36.7.16, xch-aln-006.cisco.com
X-Outbound-Node: alln-core-1.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/9yNYi-Uxyobo2DZ_YQZs3DRob5E>
Subject: Re: [spring] 64-bit locators
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: Thu, 19 Dec 2019 11:47:56 -0000

Hi,

As mentioned in the draft, the choice of the locator length is deployment specific.
LINE has deployed SRv6 using a locator different than a /64.

Cheers,
Pablo.

[1] https://speakerdeck.com/line_developers/line-data-center-networking-with-srv6

-----Original Message-----
From: spring <spring-bounces@ietf.org> on behalf of Alexandre Petrescu <alexandre.petrescu@gmail.com>
Date: Thursday, 19 December 2019 at 09:44
To: "spring@ietf.org" <spring@ietf.org>
Subject: Re: [spring] 64-bit locators

    
    
    Le 19/12/2019 à 00:13, Mark Smith a écrit :
    [...]
    
    > VLSM [variable length subnet mask] is fundamentally hard,
    
    We need VLSM in other places too, such as in ULA prefixes fd and fc.
    
    I think it is indeed a difficult to grasp concept, but it is there for 
    growth.
    
    Alex
    
    > 
    > Regards,
    > Mark.
    > 
    >     __
    > 
    >     In this case, we should probably change the document to reflect
    >     implemented behavior.____
    > 
    >     __ __
    > 
    >        
    >                                                                          Ron____
    > 
    >     __ __
    > 
    > 
    >     Juniper Business Use Only
    > 
    >     _______________________________________________
    >     spring mailing list
    >     spring@ietf.org <mailto:spring@ietf.org>
    >     https://www.ietf.org/mailman/listinfo/spring
    > 
    > 
    > _______________________________________________
    > spring mailing list
    > spring@ietf.org
    > https://www.ietf.org/mailman/listinfo/spring
    > 
    
    _______________________________________________
    spring mailing list
    spring@ietf.org
    https://www.ietf.org/mailman/listinfo/spring