IETF Logo Mail Archive

Re: [rtcweb] Proposal to break the ICE impasse

Christer Holmberg <christer.holmberg@ericsson.com> Wed, 30 January 2019 21:56 UTC

Return-Path: <christer.holmberg@ericsson.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 58330130FF9 for <rtcweb@ietfa.amsl.com>; Wed, 30 Jan 2019 13:56:44 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -8.853
X-Spam-Level:
X-Spam-Status: No, score=-8.853 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-4.553, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.com header.b=KgwwDoeO; dkim=pass (1024-bit key) header.d=ericsson.com header.b=FeOyX7+4
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 BdDUAyi57Slf for <rtcweb@ietfa.amsl.com>; Wed, 30 Jan 2019 13:56:42 -0800 (PST)
Received: from sesbmg22.ericsson.net (sesbmg22.ericsson.net [193.180.251.48]) (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 CE15A130F0D for <rtcweb@ietf.org>; Wed, 30 Jan 2019 13:56:41 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; d=ericsson.com; s=mailgw201801; c=relaxed/relaxed; q=dns/txt; i=@ericsson.com; t=1548885399; x=1551477399; h=From:Sender:Reply-To:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=d9kuXHVLaN3ylB6W687yzFea1HAEzjDn3v0m+G1vfjU=; b=KgwwDoeOM5kHa19PgLst3wL96XiN/vaDJkZL63553RamXVtMqbJVVRbGtijIaIAU KJ8UgRe/q9wSXALRCLplMV8EWDP55nZu7rcDFiywvzNZOKVEIapDxM+iffcl5bep ST/XUf46lC0PISbduil/n2f5F6btjjHFpCksTsEz++s=;
X-AuditID: c1b4fb30-41b3a9e00000355c-37-5c521d97d85c
Received: from ESESBMB501.ericsson.se (Unknown_Domain [153.88.183.114]) by sesbmg22.ericsson.net (Symantec Mail Security) with SMTP id 6E.A2.13660.79D125C5; Wed, 30 Jan 2019 22:56:39 +0100 (CET)
Received: from ESESBMB504.ericsson.se (153.88.183.171) by ESESBMB501.ericsson.se (153.88.183.168) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Wed, 30 Jan 2019 22:56:37 +0100
Received: from EUR01-HE1-obe.outbound.protection.outlook.com (153.88.183.157) by ESESBMB504.ericsson.se (153.88.183.171) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3 via Frontend Transport; Wed, 30 Jan 2019 22:56:37 +0100
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=d9kuXHVLaN3ylB6W687yzFea1HAEzjDn3v0m+G1vfjU=; b=FeOyX7+4whJA/IucWGVSNj4IC/VugZsNIcu2Q+cjL4Qff620gpKe8gW0apyi8ynTK7gvZJgNBlV5RIoIgTn0hpDm8J12PjdSFAaaBJhPrJB4724zFO6EKI1u3iTeR0VR3oLKnxXUZI/eRugvyQjqKYQOM2jPks+IZOENi4aotE4=
Received: from HE1PR07MB3161.eurprd07.prod.outlook.com (10.170.245.23) by HE1PR07MB4202.eurprd07.prod.outlook.com (20.176.166.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1580.15; Wed, 30 Jan 2019 21:56:34 +0000
Received: from HE1PR07MB3161.eurprd07.prod.outlook.com ([fe80::ec90:1d14:9549:fdf0]) by HE1PR07MB3161.eurprd07.prod.outlook.com ([fe80::ec90:1d14:9549:fdf0%4]) with mapi id 15.20.1601.008; Wed, 30 Jan 2019 21:56:34 +0000
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Eric Rescorla <ekr@rtfm.com>
CC: Roman Shpount <roman@telurix.com>, RTCWeb IETF <rtcweb@ietf.org>
Thread-Topic: [rtcweb] Proposal to break the ICE impasse
Thread-Index: AQHUtCoOCID4ifgvbk+6P/h8fwfLKaXBz0cAgAEnOzeAAlkQgIAAHScAgAADHICAAAKbgIAAA+MAgAAEr4CAAIGVgIAAMCmAgAAaH4CAAEXWAIAABXMAgAAHuACAAARIgIAABLmAgAAGVYCAAChigIABNcmAgABT5ACAAAZo7A==
Date: Wed, 30 Jan 2019 21:56:34 +0000
Message-ID: <HE1PR07MB3161B70E7CA6FD9AED3B8EC093900@HE1PR07MB3161.eurprd07.prod.outlook.com>
References: <97ed2641-8a7e-19a9-be38-a3458ca9212e@nostrum.com> <CABcZeBP9t0SgsHAuENo99D6ffKd7Mw0Xs1vzUCOzSS=WJN5z8A@mail.gmail.com> <HE1PR07MB3161B0F1D2B5AC9DA72DDFAD93950@HE1PR07MB3161.eurprd07.prod.outlook.com> <CAOJ7v-3KHi0TUDsQvG6qq-qeNGBsqLxg+NC1c+Nxvgy0ks0d0g@mail.gmail.com> <CABcZeBNL=sWFfh=zwiuib80HPsno=GzF18gU+z3DrCZTK_PquA@mail.gmail.com> <CA+9kkMDh56CeXRGNSk_r-HrLkDNT5DnYc_FguXOdeccfq=LEMA@mail.gmail.com> <CABcZeBPboLf0bLUDTyJArxsPYSnUrULArmsZ9YshQCX+rEvexA@mail.gmail.com> <CA+9kkMCwCBHWEEADxVHT2ZbvWEi=bUBJ22icKHpA2p8Kg1fF9A@mail.gmail.com> <CALiegfnpj+Pu0Hg05iqHXCwhTefxn_Em7gTnzOXK897fzcyuwg@mail.gmail.com> <CAD5OKxvmQHT3TAt_=xCd_JKnPzXfnc=Mej-mr6KMsaKVoBkuSg@mail.gmail.com> <CALiegfm_jtv1bV3Ok6j20hkim8e6QxMYPrbbHejqoHnCHjMXpA@mail.gmail.com> <CAD5OKxsMWEE39O6hSc+UFjwTAa=z1A+XD5X2BY=Q7PEUdYE4UA@mail.gmail.com> <961E55AE-2072-4145-8BCF-62D67C6D150F@mozilla.com> <CAD5OKxuwhmAPvonV1rX1rN6yi08-4NPH1BOzVuJPUMEntnpRkw@mail.gmail.com> <CALiegfmZ_DSe7EFw48C6HoQ+bUReom4r0TTMf4wRG6UyAbgX2w@mail.gmail.com> <CAD5OKxvm_U=Tgvmxfi8hqiR=8tB_ueQtUSJJV5NLcVL8dBdHtw@mail.gmail.com> <CALiegfm1y_p3wDoXeckSw2BQ61gGYh4c9A7a=p0vi=BnWGoU4A@mail.gmail.com> <CAD5OKxvyDNm68_A1WVEyvsU52Jua+vHbrMpZJ0v0s7reP00OLQ@mail.gmail.com> <CABcZeBMi9nmue+Sw0+2Cf+Bs1NQE6cV-Ld+_9gMTDvbrWH_nfQ@mail.gmail.com> <DE1476DB-7B7F-4883-A670-C645773BC546@ericsson.com>, <CABcZeBM57KdEpH5UEOJuf8L9cMz5QmddKKPyuL1eJLLjLAe9Lw@mail.gmail.com>
In-Reply-To: <CABcZeBM57KdEpH5UEOJuf8L9cMz5QmddKKPyuL1eJLLjLAe9Lw@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: spf=none (sender IP is ) smtp.mailfrom=christer.holmberg@ericsson.com;
x-originating-ip: [37.136.56.89]
x-ms-publictraffictype: Email
x-microsoft-exchange-diagnostics: 1; HE1PR07MB4202; 6:lsqooMA6y5g5LpPYHOezpa3z1v+dBViuM7AjFKRSwgqlGV1dYDG3XE8X0GPYbpA9g1rTgsfLAjjmoBJI0lAaUl9KZT2JQtXWEUjoy9sjHlokz62oFWRd/PzMxlnIDPCKfZhIDln3vDWmzCYtvc4S/RZ6W43iIxLjCYI2UyXwF9z4Zw02dsvz76eKaFPybIH9osSnm0lkbdR49yw4hjSI8NSYvXCm7IME3keesSEvh0UaxS9kplcJwYf9hqm0KoX8Vkn13ccgOlfbjozlD/qy1YG7nFmvaJus9PpIrUCFiKa1OpoT78X0TkZtLQApoLgFhPzYEhc0fCT26Scom5ndCUUOi3X5DvaMo3JCJADlQO/gYDVoKOBe37cfa+jyH2kqkI4U+BMIHNfu/FN8jjC1Mm0Kr0nZQDBlqpcJg0dha5Bne5DD7vRedAmFW6tFPuaIGYj8wSczdXm2hzTv+ALWdA==; 5:gnMI3d+cYPD3wEuCvcFCtz63+5OkHm6d04UEbbThlH0t7zJ51f7qX+zG1lhGuL/5F0qeCpOKVqFQof5pPN0mhlMcKnWtCxmFaE8+op5ettyv7Sg3qCnALSOrJlkGlyF8HyHxY6yhas5SOd4gzaqwwhVqAJT6FO0gw9utKdP9KrfvZ8sVVpqzg6+qQ6cyX2iUi4J9S4xxU0FFfFiR4tEBng==; 7:R+5P2R292wr95PK0IGuC+dhKT4jbi9lydBS41mFcYnlrNfOcaCtRzhVIgsRNmFDACm9bbjAG2vQvgf4JVpYyI25vUs8bGpst0XhOmWUud5qjP/USe0YfXD3VxRtAe1nrSNYgIugnKNh/4g+9jaRxsA==
x-ms-office365-filtering-correlation-id: 246074aa-8290-4a32-586a-08d686fdcd40
x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605077)(2017052603328)(7153060)(7193020); SRVR:HE1PR07MB4202;
x-ms-traffictypediagnostic: HE1PR07MB4202:
x-microsoft-antispam-prvs: <HE1PR07MB4202156D493056EFCC776C4793900@HE1PR07MB4202.eurprd07.prod.outlook.com>
x-forefront-prvs: 0933E9FD8D
x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(346002)(39860400002)(136003)(366004)(396003)(376002)(189003)(199004)(256004)(3846002)(6116002)(33656002)(93886005)(106356001)(6246003)(19627405001)(55016002)(478600001)(6436002)(2906002)(229853002)(6916009)(8936002)(316002)(8676002)(81166006)(14454004)(86362001)(81156014)(54906003)(99286004)(105586002)(97736004)(7736002)(76176011)(102836004)(186003)(54896002)(71190400001)(71200400001)(26005)(7696005)(6506007)(9686003)(11346002)(476003)(68736007)(486006)(4744005)(44832011)(74316002)(66066001)(446003)(53936002)(6606003)(4326008)(25786009); DIR:OUT; SFP:1101; SCL:1; SRVR:HE1PR07MB4202; H:HE1PR07MB3161.eurprd07.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1;
received-spf: None (protection.outlook.com: ericsson.com does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam-message-info: 11k/WgAI753vLzKB1lX3dyJ3qhY2MVZsy7Um96PBrRvipE3RkudUvKG7wNLWL1pa0+hEPb1D2idd0fzNlE8621/GaQpg1qD2l/lXNpyeyUV7Xz7SI6OrXsEuTcgLVfo5cSgIRrJMbuyZ7QQV/uaOU7eEgjZj4hc2vGcG9KILLZQx8yCato4/J5jbj0sOkNhn7zs3QPh31FeHVpH8yJzeKUOnUo/Tv7x2BhcoiYBOp8z+bv6IqmlFrHrJ9W0yhktNHiqqgijQM4ld1N7MqM9fPEZWl9fzwuDMTrU7r9AAFtoMJXojdyzyu8aaBcIA86RyXBYEq8wXv56T924uK/bIKeMpEb+OmboWXiWLR0Z+9y4LDnv7FfMlDdH0T3YUuKndApgiQ6HQ/jjZYJXwgOBZyQpzfHJw8cJTvXINgp/Xkzo=
Content-Type: multipart/alternative; boundary="_000_HE1PR07MB3161B70E7CA6FD9AED3B8EC093900HE1PR07MB3161eurp_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 246074aa-8290-4a32-586a-08d686fdcd40
X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jan 2019 21:56:34.6296 (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-Transport-CrossTenantHeadersStamped: HE1PR07MB4202
X-OriginatorOrg: ericsson.com
X-Brightmail-Tracker: H4sIAAAAAAAAA02SX0hTYRjG+c45246rxbep+WIJsvRGzX9YzShRChpFZBakMtDVDirq1HNM Mryw1NQpYSwzTZvhtOUfxLmyrNBkkX/S1vCmXVSoJKYh5bBMG7WdBd793vd54Pmel48mZYOC QDpHW8ywWnWeXCimmlOH2P1NQSmqaOv3eIVpeUakuGtrJBV9rmpRIqk0GjcIpX7+Bql03C5M JtPFRzRMXk4Jw0YlZIqzp6cryMJnQVf6V2qpcvQDdMiHBhwHZutLoQ6JaRm2Ihhor/IO6whs fZUkPxgJ6Jm0eBQKN5Dg+vQE8YqegHvNN722OQSL5mpCh2haiBVQ5wp3h/jhYPi9NU65mcTH oXL4LXJbfPEhsPdH8BYFrM/qKJ6HETQPF7mZwqHg+NWF3CzBKhipH/FGDeyALxXjArfgg89C 1evHhJsR3g0/J3sJPisAHAsGgi+KwfjiHcmzPyzNuwS8Xw0j3Z+9+2B483EB8RwEdkOdpyTg 6yKoqp31mk7DqG5KyAsfECwb7CJeCANLfY83LRdsw9c8hwC8F5zO816/AGyjfzwJMszAw74q 1IAiWrY9lucCcD76ilo8raUw0bxA8ftoWJ0xkDyHQ9eDZS9HwYBzGm3ftyNRN/LnGO5iflZs bCTD5lziuAJtpJYpNqN/X+mVZTP6KVpaTBpDmEbynRLr2lmVTKAu4UrzxxDQpNxPErN5RiWT aNSlVxm2IIO9nMdwY2gPTckDJFsyqUqGs9TFTC7DFDLsf5WgfQLLkdR/IynxxGpGqr2sTd+x YkKWKdNqelHY4EyLviaw7VtyyHpv68HSA4b72Y3xwQll8XfShk5Ns5qS9GMp5y60i5XOicxO Yk3sf3Lrvfl5PxOmMcTVbFj9CgM2kqM6w9vMYpmv6bBDlWe5Fau1zO46uh7MSVPSljWhIfs6 mlrn5BSXrY4JI1lO/RfDdxZpRgMAAA==
Archived-At: <https://mailarchive.ietf.org/arch/msg/rtcweb/LsXe8bieIYdpc5n3RAq743aPcgU>
Subject: Re: [rtcweb] Proposal to break the ICE impasse
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/rtcweb/>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 30 Jan 2019 21:56:44 -0000

Hi,

…

>>There are networks where nodes (not always SBCs)
>> use the c/m- information to control network
>> resources (e.g., radio bandwidth). Whether UDP vs
>> TCP will have a major impact I don't know, but the
>> point is that the c/m- information IS used.
>>
>> Whether the WG has agreed that the c/m-
>> information is "meaningless" in the JSEP API I don't
>> know, but it for sure is not "meaningless" on the
>> wire.
>
>We're talking solely about the format field in this
>discussion,

I assume you meant the proto field?

> and the whole import of the decision have a fixed
> field was that in fact we agreed it was
>meaningless.

Perhaps it's meaningless in the JSEP API, and even for WebRTC endpoints, as they are required to support ICE, but I don't agree on a general statement that it is meaningless on the wire. There are entities that make policy decisions based on the information in the c/m- lines.

Regards,

Christer

v2.23.0 | Report a Bug | By Email