Re: [AVTCORE] [MMUSIC] SDP Directorate review: draft-ietf-avtcore-cryptex

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 14 June 2022 18:17 UTC

Return-Path: <christer.holmberg@ericsson.com>
X-Original-To: avt@ietfa.amsl.com
Delivered-To: avt@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 24FDAC14CF13 for <avt@ietfa.amsl.com>; Tue, 14 Jun 2022 11:17:02 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.854
X-Spam-Level:
X-Spam-Status: No, score=-2.854 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.745, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.com
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LJU7e2hPJ-xy for <avt@ietfa.amsl.com>; Tue, 14 Jun 2022 11:16:58 -0700 (PDT)
Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-vi1eur04on0628.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe0e::628]) (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 15DF6C14CF05 for <avt@ietf.org>; Tue, 14 Jun 2022 11:16:57 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=R7FyrhMnyVavPO2gZ7n5+tx7t3vP21GBJYdZ1jXyAMElXHUFx86i4mc+ECkM9u79T8GnY9STZK3sUpVFa6KH499IwARv9m5gmkwQy4Ql7H9EZcuZueMq3GHRBz2vMtrp5Eh+zDrsgesGYDilEM5Ct6eBZ9AKpdUKlwAmyFMj/LBsDfShTvRghf/38YlGHg25w3bMVNY/ylEO3dukoB2stS+GOm47d+X/MbsxBRvYkhpeMgwCI+PD3JXx/jg7Q7UN7X0TOfK8JWkEtx+LYlknKKSlxXIa1Z1EREWib5AkZlictOhYAITCwkeXnTRVPDlr0WoBDmu5SezuUphuaSWqUA==
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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=UMQHXp+XcON872RF6pN2gkLPZPV582uBQkqsxF6VjTk=; b=Rc3bEWWEcvjOrS5BH2+WbP4pRptlobR9Rw/QvnoZ1ciUcBrtsuBjOMoaFEblq8bYtHqYU/l/do2oFWQJV5eC2LQhrIutHFQDKnV9hVMrAY51V02nzIMuc4daA/2/jOxhv5EcnS7tVHsTkOP8rYwH3SIKB+lX2L0oKqI41FcE2yRIkiLD+suAGKd2HD2hAwitKOFzqUSju/YPICN8T97xsEiDREy8T4wpkX9NVRrEnGNRWEQ9uEyIU65OmrfIfXDicpNBQ6H+rQYrVSVvPthfDyIxY072KSHWOYtFIwWmnp2/AoJtroOhgBu+zZXsUk+I4kzTZ19qKpzaDGhWE+1y/A==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=ericsson.com; dmarc=pass action=none header.from=ericsson.com; dkim=pass header.d=ericsson.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ericsson.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=UMQHXp+XcON872RF6pN2gkLPZPV582uBQkqsxF6VjTk=; b=RZXyNnUc23RWSwz1WFlb40B9ypFT6e/en492VUT5I9/HM/zgoQWVb5Fpw4HJZIkgxLXORmV8HbK5aJWF8Wm55e46frGZC5ht1REawKeKy6nYcBEkAm3w1unbcT2nIfeC0MjrKwVqfMhqbxaOjLppYGPso8vQY89j5s2h4lzUoMY=
Received: from HE1PR07MB4441.eurprd07.prod.outlook.com (2603:10a6:7:9f::27) by VI1PR0701MB7055.eurprd07.prod.outlook.com (2603:10a6:800:196::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5353.6; Tue, 14 Jun 2022 18:16:53 +0000
Received: from HE1PR07MB4441.eurprd07.prod.outlook.com ([fe80::39f4:2b8e:e73:2c99]) by HE1PR07MB4441.eurprd07.prod.outlook.com ([fe80::39f4:2b8e:e73:2c99%5]) with mapi id 15.20.5353.011; Tue, 14 Jun 2022 18:16:52 +0000
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Paul Kyzivat <pkyzivat@alum.mit.edu>, "avt@ietf.org" <avt@ietf.org>
Thread-Topic: [AVTCORE] [MMUSIC] SDP Directorate review: draft-ietf-avtcore-cryptex
Thread-Index: Adh8y7jb9EknSxcHQ1qEgIsHKrcmdwACd4aAAL1RhrAAC0KwgAAIt+hg
Date: Tue, 14 Jun 2022 18:16:52 +0000
Message-ID: <HE1PR07MB4441F390585C82626BD6F35D93AA9@HE1PR07MB4441.eurprd07.prod.outlook.com>
References: <HE1PR07MB4441160C0170EE3B9C827BD893A69@HE1PR07MB4441.eurprd07.prod.outlook.com> <CA+ag07YD7J5ta13buFPOVeKp3fQYvdg0xPm2qcjXOuNXsANc4Q@mail.gmail.com> <HE1PR07MB44417BC524A9F7F1CAD1DCE293AA9@HE1PR07MB4441.eurprd07.prod.outlook.com> <b47d76bb-29ac-ad86-9320-4774ac853fa1@alum.mit.edu>
In-Reply-To: <b47d76bb-29ac-ad86-9320-4774ac853fa1@alum.mit.edu>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=ericsson.com;
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 7ac1455d-196e-4ae5-85fc-08da4e320eaa
x-ms-traffictypediagnostic: VI1PR0701MB7055:EE_
x-microsoft-antispam-prvs: <VI1PR0701MB705581DAEFFE1DC6BDCE8BE893AA9@VI1PR0701MB7055.eurprd07.prod.outlook.com>
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:HE1PR07MB4441.eurprd07.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230016)(4636009)(366004)(8936002)(82960400001)(186003)(38070700005)(110136005)(122000001)(9686003)(498600001)(76116006)(66946007)(8676002)(86362001)(7696005)(66446008)(66476007)(71200400001)(6506007)(66556008)(26005)(64756008)(38100700002)(55016003)(4744005)(2906002)(44832011)(33656002)(52536014)(5660300002); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: 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
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: ericsson.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: HE1PR07MB4441.eurprd07.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 7ac1455d-196e-4ae5-85fc-08da4e320eaa
X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jun 2022 18:16:52.7421 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 92e84ceb-fbfd-47ab-be52-080c6b87953f
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: Wz3XK1InHMPcHY45tg4mB1doGBjB2WW2Aww+QDgiEIGiCRKWzzVz5x/7VuDHAIirh3aZYohf3gYRbPZE4uHgWWcqvhdG9xR/zVKFcxUFUPY=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0701MB7055
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/l4K1Ey8ML1cFbbIYWiBhj0dVOc4>
Subject: Re: [AVTCORE] [MMUSIC] SDP Directorate review: draft-ietf-avtcore-cryptex
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Audio/Video Transport Core Maintenance <avt.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/avt/>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 14 Jun 2022 18:17:02 -0000

Hi,

>>> What would be the best term for a "media m-line"?
>>>
>>> - media m-line
>>> - media m line
>>> - media "m=" line
>> 
>> My suggestion would be to say "m- lines for RTP transported media", or something like that, because technically you could transport media also using non-RTP mechanisms.
>
> During the discussions around rfc4566bis/rfc88666 we had a long discussion on "m line" vs. "m- line" vs. "m= line", ... We finally ended up going with: "m=" line.
>
>I think it would be best to stay with that.

Sure - I was focusing mostly on the RTP part in my reply :)

Regards,

Christer