Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG adoption
Doug Arnold <doug.arnold@meinberg-usa.com> Tue, 01 June 2021 23:43 UTC
Return-Path: <doug.arnold@meinberg-usa.com>
X-Original-To: ntp@ietfa.amsl.com
Delivered-To: ntp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1AEF3A2BEE for <ntp@ietfa.amsl.com>; Tue, 1 Jun 2021 16:43:46 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.6
X-Spam-Level:
X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=meinbergfunkuhren.onmicrosoft.com
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 X7KiqV5epaES for <ntp@ietfa.amsl.com>; Tue, 1 Jun 2021 16:43:41 -0700 (PDT)
Received: from EUR03-AM5-obe.outbound.protection.outlook.com (mail-eopbgr30050.outbound.protection.outlook.com [40.107.3.50]) (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 A2B383A2BEB for <ntp@ietf.org>; Tue, 1 Jun 2021 16:43:41 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Y2DIiLkRYPac+5Ikx4WkljjXoTFXV6dHHAH4IF5XKrLcPkCGhcRo7s6b4HDuzMyjmvUdOoKKFdB+eOH2MKeY9EikLWEjcmwSgAcKWAPArVDfwK7MTTrSGcJbjiqwJoOdAwPX9ctwv3QjMBrqJ5QD5YlGPSPuPkeR9sxDFGmhH9KnffL243mldl9/CBsu/tvX+i3Qb/pl79nQg5YvyctOQ7OSv6G7doVf32G8Rv3lfX1U+BVOqnbs1giZ5uXk9wR83s6RTUbEla0/wvr6+CCJtMv/2ZDcM7LZhVHv/mQi0cgRxvasabTEbYlDrt5H0weQek6WJpMvfg34E0tBFkWm9w==
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=zdQ48La4oPGU4boKWVHmtT3gBUdJblYlOiQGs8fld2A=; b=OzUUmuf2SZdW86ooEznyp9t+7u23XWoSkDDpSny48dGn50sZACUPXzudxLJkm7+oWhsqW/W1b0dy3Bkfzh4KKrFzOotI4hhZdAZ2P6874ZzieYi3KrZ7EKGDnH9BH/8Xyi2XznaIbD48CgzTmPQFxwnP4ZuE2GZUmMCY7dTNcylYM8ySnd4szcUpBDFvULvkGQJunwtaGynkAYHytaCS8LzV3mgvBfcgFm2EvC8Mnl8ReYeuYOKaph6M7xnhANyluvEw/oHayzCEoYT0o+ijtiGB2GJ97O3wGuZ9rEHmtbBOy/vbUUEv00XPjgqxvnFl0QF79vNhqDeOMQyZnP+yAw==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=meinberg-usa.com; dmarc=pass action=none header.from=meinberg-usa.com; dkim=pass header.d=meinberg-usa.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meinbergfunkuhren.onmicrosoft.com; s=selector1-meinbergfunkuhren-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zdQ48La4oPGU4boKWVHmtT3gBUdJblYlOiQGs8fld2A=; b=CHk4EdgLp+3jkTUyydeC96cAZOV0mKNjQ9X62vMN1fmRGKOwW6+cDSYpbYzoqFxSuCXyxoTrvMa2kWLUU0G42ZsWNM9cYQLQGUdq728/I5jUMW4By6U3+hYkYX+0IdW9KpqFDnxYIltONUmvcoyOgoxOUUAx5JrmX12pF8qsh54=
Received: from AM7PR02MB5765.eurprd02.prod.outlook.com (2603:10a6:20b:102::15) by AM6PR0202MB3351.eurprd02.prod.outlook.com (2603:10a6:209:20::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4173.21; Tue, 1 Jun 2021 23:43:38 +0000
Received: from AM7PR02MB5765.eurprd02.prod.outlook.com ([fe80::aca9:7944:745f:78ef]) by AM7PR02MB5765.eurprd02.prod.outlook.com ([fe80::aca9:7944:745f:78ef%6]) with mapi id 15.20.4173.030; Tue, 1 Jun 2021 23:43:38 +0000
From: Doug Arnold <doug.arnold@meinberg-usa.com>
To: Daniel Franke <dfoxfranke@gmail.com>, Miroslav Lichvar <mlichvar@redhat.com>
CC: "ntp@ietf.org" <ntp@ietf.org>, Heiko Gerstung <heiko.gerstung@meinberg.de>
Thread-Topic: [Ntp] NTS4UPTP Rev 03 - Formal request for WG adoption
Thread-Index: AZ2x3tU+ZTljNmQ4N2MwN2VmZGRlN/NJ2JQAAAMO24AAAZtGgAABqW4AAAGes4AADE+YgAAIyzmo
Date: Tue, 01 Jun 2021 23:43:38 +0000
Message-ID: <AM7PR02MB5765CF038A91BFE75E163D71CF3E9@AM7PR02MB5765.eurprd02.prod.outlook.com>
References: <7F9B8D13-BC90-4E15-9BDF-81714DF0F0C6@meinberg.de> <YLYCLIEA4/unB6/5@localhost> <1DAA3605-CC04-46DE-8CFC-975BED7D4160@meinberg.de> <YLYheZYTSflAdlrF@localhost> <CEB3F4AA-E318-4540-BD6C-4437E3F5F58A@meinberg.de> <YLY3f2/5k1Hjebf7@localhost>, <CAJm83bCwc9ShP4TPHN3Nz4iK_=+7m4hAYjoogArZ_ZjKfsaTcg@mail.gmail.com>
In-Reply-To: <CAJm83bCwc9ShP4TPHN3Nz4iK_=+7m4hAYjoogArZ_ZjKfsaTcg@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: gmail.com; dkim=none (message not signed) header.d=none; gmail.com; dmarc=none action=none header.from=meinberg-usa.com;
x-originating-ip: [64.30.82.72]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 782753c9-f793-4ce1-1711-08d92557146d
x-ms-traffictypediagnostic: AM6PR0202MB3351:
x-ms-exchange-transport-forked: True
x-microsoft-antispam-prvs: <AM6PR0202MB3351FE02642209DF938A66DCCF3E9@AM6PR0202MB3351.eurprd02.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:5516;
x-ms-exchange-senderadcheck: 1
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:AM7PR02MB5765.eurprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(39830400003)(136003)(376002)(346002)(396003)(366004)(44832011)(26005)(9686003)(83380400001)(86362001)(55016002)(91956017)(8676002)(166002)(33656002)(2906002)(5660300002)(4326008)(186003)(38100700002)(316002)(110136005)(71200400001)(6506007)(53546011)(54906003)(966005)(76116006)(478600001)(66446008)(66556008)(66476007)(8936002)(64756008)(66946007)(52536014)(7696005)(122000001)(107886003)(32563001); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: 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
Content-Type: multipart/alternative; boundary="_000_AM7PR02MB5765CF038A91BFE75E163D71CF3E9AM7PR02MB5765eurp_"
MIME-Version: 1.0
X-OriginatorOrg: meinberg-usa.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: AM7PR02MB5765.eurprd02.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 782753c9-f793-4ce1-1711-08d92557146d
X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jun 2021 23:43:38.3985 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: d59904cd-769f-4368-8bd0-f5f435893a38
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: tCbn6ARskrlzxPAx/pANxFO+y1tLJDExFnlbKf/uyZbiuB2Q9q8y8lYCRv6Iyf3lsx5HMt3BPOBFE1uF94yv/Re7Y7gwPdoZ/UhnXmTTPfg=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR0202MB3351
Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/994UXrs-h8m_KvmZRjmM7YmtsJY>
Subject: Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG adoption
X-BeenThere: ntp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <ntp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ntp>, <mailto:ntp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ntp/>
List-Post: <mailto:ntp@ietf.org>
List-Help: <mailto:ntp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ntp>, <mailto:ntp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 01 Jun 2021 23:43:47 -0000
I think that it is clumsy to bring in another protocol to add security to the one of interest. Why not just add the same functionality to PTP? Doug From: ntp <ntp-bounces@ietf.org> on behalf of Daniel Franke <dfoxfranke@gmail.com> Date: Tuesday, June 1, 2021 at 3:27 PM To: Miroslav Lichvar <mlichvar@redhat.com> Cc: ntp@ietf.org <ntp@ietf.org>, Heiko Gerstung <heiko.gerstung@meinberg.de> Subject: Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG adoption On Tue, Jun 1, 2021 at 9:35 AM Miroslav Lichvar <mlichvar@redhat.com> wrote: > Ok, if you need as much of NTS4NTP as possible and at the same time > keep accuracy provided by hardware timestamping as is supported in > current hardware, I think the solution is simple: NTS4NTP over PTP. > > You can wrap NTP messages in a PTP event message to get hardware > timestamps and keep all the benefits of NTS4NTP. It seems your plan is > to provide NTS4NTP in any case. Do you see any disadvantages? All these long and similar initialisms for the various PTP security proposals are getting unmanageable, so I'm going to create some new ones: * I'm going to start calling my proposal NSCoPE, for NTP Securely Constraining PTP Errors. * I'm going to call Miroslav's proposal PEN, for PTP-Encapsulated NTP. * I'll keep using NTS4NTP for RFC 8915, NTS4UPTP for the Gerstung-Rohde-Arnold draft, and NTS4PTP for the Langer-Bermbach draft. I agree with Miroslav that PEN likely requires a lot less development effort than NTS4UPTP does, but it still requires changes to both the server and the client, unlike NSCoPE which can be implemented unilaterally on the client. There's a tremendous gulf between changing one line of code on the server and changing zero. A one-line change requires a full-blown standards-track effort involving multiple standards bodies, interop testing between vendors, and lots of network infrastructure that needs upgrading, even if the upgrade is just a firmware patch. If only client-side changes are needed, none of this coordination is required. Maybe a better way to think of PEN is not as a security layer for PTP, but rather as a way to improve the typical-case precision of NTP by adding hardware timestamps. It strikes me as a better alternative to interleaved mode, one which avoids the need for server state or for sending follow-up packets. It's hardly PTP at all; the fact that responses come back framed as PTP event messages is just a hack to get existing hardware to cooperate. The fact that the NTP messages can use NTS is pretty much incidental. You can do PEN with unauthenticated NTP messages too and (as long as you're not under attack) get all the same benefit to precision. _______________________________________________ ntp mailing list ntp@ietf.org https://www.ietf.org/mailman/listinfo/ntp
- [Ntp] NTS4UPTP Rev 03 - Formal request for WG ado… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Kai Heine
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal reque… kristof.teichel
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Danny Mayer
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Danny Mayer
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Danny Mayer
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal reque… kristof.teichel
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Steve Guendert
- [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal reque… kristof.teichel
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Daniel Franke
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Daniel Franke
- [Ntp] Antwort: Re: Antwort: Re: NTS4UPTP Rev 03 -… kristof.teichel
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Langer, Martin
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Doug Arnold
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Doug Arnold
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Doug Arnold
- [Ntp] Antw: [EXT] Re: NTS4UPTP Rev 03 - Formal re… Ulrich Windl
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Heiko Gerstung
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Salz, Rich
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Doug Arnold
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Greg.Dowd
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal reque… kristof.teichel
- Re: [Ntp] Antwort: Re: NTS4UPTP Rev 03 - Formal r… Heiko Gerstung
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Doug Arnold
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] NTS4UPTP Rev 03 - Formal request for WG… Miroslav Lichvar
- Re: [Ntp] Antwort: Re: Antwort: Re: NTS4UPTP Rev … Heiko Gerstung
- Re: [Ntp] Antwort: Re: Antwort: Re: NTS4UPTP Rev … kristof.teichel