Re: [AVTCORE] draft-ietf-avtcore-multi-party-rtt-mix Issue 1: transport

Christer Holmberg <christer.holmberg@ericsson.com> Mon, 18 May 2020 16:10 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 0CC723A0820 for <avt@ietfa.amsl.com>; Mon, 18 May 2020 09:10:51 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -0.202
X-Spam-Level:
X-Spam-Status: No, score=-0.202 tagged_above=-999 required=5 tests=[DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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=ericsson.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 XKyjdyxkQ5e7 for <avt@ietfa.amsl.com>; Mon, 18 May 2020 09:10:49 -0700 (PDT)
Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2060.outbound.protection.outlook.com [40.107.21.60]) (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 777D73A081B for <avt@ietf.org>; Mon, 18 May 2020 09:10:49 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=W+7c0vnXU8NLEoo1UMhtgEJ49YGD97wQm1xqbiz70vJRwILX7N+qBm1yzRQNBLHCth2GAePmb3O/gw5+lDgZgGsPD9PGaAvxfH+wZCA/QfJtkPRDAUsTS8E2X8nuFQX1/fN2xZW9vpXSkT6SJjKdTGK5ufK7/n57OVD0k1st3fkgOdtVQYhh8+Id2F0cqTjimjjNKe/8+GYXhSMkld+fG3priUtDpGoV+LCc7tozbvFu6VLNzs1O4sn4UATJsVYeGKV62BDxQCAzeyst1pRPJi9vQuWeKT8IuExor9YtSC/m3kMOtCFWxkI/+SCYae07pq0L9OFnqGiLQrLc/DJc0w==
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=K7RUgyGboFxmfVW8zyGq07Wa8HBUqDYggiMhj/ny1AI=; b=Khc2Qxt3y/b+i0e154WLErHIo+X9RN4i4FaDLkdJbaqp65fBuAVKDuOK0i3yyiPGkHUmixDqSfgfd+z14JaCU9kOnWhpTs504PNmNsi6bb68XxSZ6V16cr/qRvw+pns71HVzx0Nco8AGDum2422dxuFplEZUbD/GkC/Rv4lGqbKUqGn4cRIq6HpnvJwr/b13EwfKHXWsK35PlXQ8TC1n/Tb6cO4LC5BDMjfKnxoILUesgkMaeuvZxo7q9gxXWrVXFXckBb7qWQ/QzvwbTL6BsMYtpWKkdR1myjXzQIRcfas/x92dGy7wp11kRA6MkAg0pzKGG55aHCy8tnLnwVe29Q==
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=K7RUgyGboFxmfVW8zyGq07Wa8HBUqDYggiMhj/ny1AI=; b=JvciCEyksDO7dbCqiA3gB8xfGZ4oBd2mCIr/uNZ4xxApLogI6sjW7dA+lHy74/sx5jKodjwbIL/ZsmseSvCIaJm6OlcAbrbjTcDcSC3eFbXb+VoswHRQD8hdykGXITYaM8qrHhvXkf/t/536wbnQR4OWNt+AHPVFZQwyF3vSfXg=
Received: from AM7PR07MB7012.eurprd07.prod.outlook.com (2603:10a6:20b:1bc::19) by AM7PR07MB6562.eurprd07.prod.outlook.com (2603:10a6:20b:1a2::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3021.12; Mon, 18 May 2020 16:10:45 +0000
Received: from AM7PR07MB7012.eurprd07.prod.outlook.com ([fe80::7529:b51f:5fb4:62b9]) by AM7PR07MB7012.eurprd07.prod.outlook.com ([fe80::7529:b51f:5fb4:62b9%5]) with mapi id 15.20.3021.019; Mon, 18 May 2020 16:10:45 +0000
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Brian Rosen <br@brianrosen.net>, Gunnar Hellström <gunnar.hellstrom@ghaccess.se>
CC: "avt@ietf.org" <avt@ietf.org>
Thread-Topic: [AVTCORE] draft-ietf-avtcore-multi-party-rtt-mix Issue 1: transport
Thread-Index: AQHWKgCsA9D5GcGQLUuZPTZ9sXdX2KipQAGAgAA5aICAADOUgIABHyYAgAA7QwCAAsnvAIAAarmA
Date: Mon, 18 May 2020 16:10:45 +0000
Message-ID: <A44560D0-39C3-4BD0-B4F0-A65E22C7DC06@ericsson.com>
References: <158895171474.17391.16816077344810423489@ietfa.amsl.com> <e462ea93-e084-5c55-1ade-521424884d41@ghaccess.se> <e6d35436-0ba4-6347-6990-46bbf5b4e5b3@ghaccess.se> <a2a1add6-7934-6371-81a0-8e3dc6735045@ghaccess.se> <C8BCBCFE-EA60-4964-A969-320265A89FA7@brianrosen.net> <06d6a0e7-8a0b-6177-ebcb-b03d3396e6cb@ghaccess.se> <0104AEDD-A7FC-4FC9-9E9E-8858D258581D@brianrosen.net> <633edda9-2a36-bc9b-b98e-577f97de7c73@alum.mit.edu> <f61dc7d6-1fbf-2052-b1b9-b5c2d346948a@ghaccess.se> <7455653A-5769-42F2-8867-EFC9852758FF@brianrosen.net>
In-Reply-To: <7455653A-5769-42F2-8867-EFC9852758FF@brianrosen.net>
Accept-Language: en-US
Content-Language: en-GB
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/16.36.20041300
authentication-results: brianrosen.net; dkim=none (message not signed) header.d=none;brianrosen.net; dmarc=none action=none header.from=ericsson.com;
x-originating-ip: [188.127.223.154]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 057179e7-9cc2-4e30-afc7-08d7fb4605ac
x-ms-traffictypediagnostic: AM7PR07MB6562:
x-microsoft-antispam-prvs: <AM7PR07MB65623F068A0895AC15BBC19993B80@AM7PR07MB6562.eurprd07.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:6790;
x-forefront-prvs: 04073E895A
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: olnnb61jGbB/H6kjXVyV02SOXwGDAKce2PH/V6iI6uCA59P37u6Pk8LCMpUhEmNV+ScYc9WHHQHTuqUUkGHXw8fHM7f4qeJ5Y7xws0hZYzLLbWJYpH1TO9ehVdYjvZoie5CmyCI1XvlLmWqq0HpcCdTCYSsYJoawhmnrBkldCmVIq2Z+D4itqeSaBKrn5kATqBWAhbS+WW6ge+GYos9af8XS3WzUS/wtoBIqw+kNR23rtr5gS3XBkQSGvZKsAPE80X6wiD9JmDoY5kiLDYVA+HSal8vWbOoXHKwJnT/uY+MOgtRPXAFwiyW2ZfaO25AnBdtxHtKyL1wVB0THCRe6rA==
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM7PR07MB7012.eurprd07.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(376002)(366004)(39860400002)(396003)(136003)(2616005)(44832011)(186003)(316002)(33656002)(26005)(71200400001)(110136005)(36756003)(6486002)(6512007)(66446008)(64756008)(66556008)(66476007)(66946007)(478600001)(5660300002)(8936002)(2906002)(76116006)(4326008)(91956017)(8676002)(4744005)(86362001)(6506007); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata: 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
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="utf-8"
Content-ID: <287995B5ED535C478F5F7D4A36B44C26@eurprd07.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: ericsson.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 057179e7-9cc2-4e30-afc7-08d7fb4605ac
X-MS-Exchange-CrossTenant-originalarrivaltime: 18 May 2020 16:10:45.6694 (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: BCD4anLNtuzieKk0/DEdZQZ2pg0Vz4f0AZfawAqhiV9k6PETViPkcLfWVPZ0ES1F3+AL1VQh5K5BkM1/TDywIQxMgOGnAVCvO6wUI1uPW7Q=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR07MB6562
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/jtJx35GHxtoeUdjVb2jY_hgQkaY>
Subject: Re: [AVTCORE] draft-ietf-avtcore-multi-party-rtt-mix Issue 1: transport
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.29
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: Mon, 18 May 2020 16:10:51 -0000

Hi,

---

>1) A mechanism that the mixer can use when it is revealed that the endpoint does not support proper multi-party presentation. There are functional limitations, 
>but it works reasonably well, especially for few parties taking turns in reasonably good order. It is specified in section 13.2 and is called "Multi-party mixing for
>multi-party unaware endpoints". 

Why not simply call it "Multi-party mixing for single-party endpoints"?

Regards,

Christer