From nobody Thu Dec 1 11:57:19 2016 Return-Path: X-Original-To: bfcpbis@ietfa.amsl.com Delivered-To: bfcpbis@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 48B60129ED7 for ; Thu, 1 Dec 2016 11:57:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -17.417 X-Spam-Level: X-Spam-Status: No, score=-17.417 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-2.896, SPF_HELO_PASS=-0.001, SPF_PASS=-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 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 9nOBEfdJzgmy for ; Thu, 1 Dec 2016 11:57:15 -0800 (PST) Received: from alln-iport-5.cisco.com (alln-iport-5.cisco.com [173.37.142.92]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8F525129D20 for ; Thu, 1 Dec 2016 11:45:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=12610; q=dns/txt; s=iport; t=1480621523; x=1481831123; h=from:to:subject:date:message-id:mime-version; bh=+V8+ZTdXCXUwAu3zlNw1S/LhfOcIgGbjHz2/apRbyag=; b=YjG3/eZRp/gp+NQ9Xwgg64ZzzG5F2j7svTTWKLJ8lnPUgVCFJR1I1cjm 2FbRtpa/EusoL5TSYtj6B8c5wlMlR4VSTt3UzSAPpbOV0XAaYGPgbIcSm 3PGhrcAQYqsffPmaSWfXUrhtHle7BOI+I71c7iXkqJRtI24XqWiqBV05H 0=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0CCAQAkfUBY/5ldJa1cGgEBAQECAQEBA?= =?us-ascii?q?QgBAQEBgnNFAQEBAQEfWIEGB40+lwuPWIUgggWGIgIagXA/FAECAQEBAQEBAWI?= =?us-ascii?q?ohGgBAQUjaAEIEQMBAQEkBAMCBDAUCAEKBAESiG2sSYIpL4sMAQEBAQEBAQEBA?= =?us-ascii?q?QEBAQEBAQEBAR6IOwiCVoRpFoJOLYIwBYlDkRsBkQ+BcoR7iUmNeoQLAR43MGk?= =?us-ascii?q?jDgEBg12BRXKINoENAQEB?= X-IronPort-AV: E=Sophos;i="5.33,726,1477958400"; d="scan'208,217";a="353607949" Received: from rcdn-core-2.cisco.com ([173.37.93.153]) by alln-iport-5.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Dec 2016 19:45:22 +0000 Received: from XCH-RCD-016.cisco.com (xch-rcd-016.cisco.com [173.37.102.26]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id uB1JjMFX005112 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Thu, 1 Dec 2016 19:45:22 GMT Received: from xch-aln-018.cisco.com (173.36.7.28) by XCH-RCD-016.cisco.com (173.37.102.26) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Thu, 1 Dec 2016 13:45:22 -0600 Received: from xch-aln-018.cisco.com ([173.36.7.28]) by XCH-ALN-018.cisco.com ([173.36.7.28]) with mapi id 15.00.1210.000; Thu, 1 Dec 2016 13:45:21 -0600 From: "Charles Eckel (eckelcu)" To: Christer Holmberg , "bfcpbis@ietf.org" Thread-Topic: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? Thread-Index: AQHSTAtz9sVBeuUTy0em3W4FN9quUg== Date: Thu, 1 Dec 2016 19:45:21 +0000 Message-ID: <3211B903-DD95-4169-B6F2-64C16A5F8A50@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1b.0.161010 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.20.182.35] Content-Type: multipart/alternative; boundary="_000_3211B903DD954169B6F264C16A5F8A50ciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? 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ESESSHC006.ericsson.se ([153.88.183.36]) with mapi id 14.03.0319.002; Thu, 1 Dec 2016 20:57:38 +0100 From: Christer Holmberg To: "Charles Eckel (eckelcu)" , "bfcpbis@ietf.org" Thread-Topic: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? Thread-Index: AQHSTAtz9sVBeuUTy0em3W4FN9quUqDzgbzw Date: Thu, 1 Dec 2016 19:57:38 +0000 Message-ID: <7594FB04B1934943A5C02806D1A2204B4BEB90CE@ESESSMB209.ericsson.se> References: <3211B903-DD95-4169-B6F2-64C16A5F8A50@cisco.com> In-Reply-To: <3211B903-DD95-4169-B6F2-64C16A5F8A50@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [153.88.183.149] Content-Type: multipart/alternative; boundary="_000_7594FB04B1934943A5C02806D1A2204B4BEB90CEESESSMB209erics_" MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupkkeLIzCtJLcpLzFFi42KZGbFdRXdLg0OEwf+D1hb/1h1lstg06wub A5PHlN8bWT2WLPnJFMAUxWWTkpqTWZZapG+XwJWxtfcGU8GZyYwVs6ZvYGtgvNLP2MXIySEh YCLx9MB1li5GLg4hgXWMEuuv3GeDcBYxSvR+vcPexcjBwSZgIdH9TxvEFBGIkti4TQikV1hg MaPEilmRIOUiAksYJU4e/cQMkhARMJJo3zmfCcRmEVCRaHp0lR3E5hXwlfh74TOYLSRgI9Ew 7S/YEZwCthL7v35jBbEZBcQkvp9aA9bLLCAucesJxBwJAQGJJXvOM0PYohIvH/9jhbCVJNYe 3s4CUZ8vce7TO2aIXYISJ2c+YZnAKDwLyahZSMpmISmbBfQas4CmxPpd+hAlihJTuh+yQ9ga Eq1z5rIjiy9gZF/FKFqcWlycm25krJdalJlcXJyfp5eXWrKJERhBB7f81t3BuPq14yFGAQ5G JR7eD1YOEUKsiWXFlbmHGCU4mJVEeCOqgEK8KYmVValF+fFFpTmpxYcYpTlYlMR5zVbeDxcS SE8sSc1OTS1ILYLJMnFwSjUwSn+9Zb/8Q1zh/vIt7TN+/sq3S2GV/cN19pvx+t/8GmullY0D w8UXcXlldM9a1BUpWTinOVeD5WTrjHYmexVxnW3KJ/r2/9Tfd8lcSu9myj+fX80dCy+Y8bNW M/Euz3+0cPL5CyLTJRdxiB8+xVH02y6VM+3uhRqtsDOCts/2KF4Vd2u+sLZfiaU4I9FQi7mo OBEAdTuqZZwCAAA= Archived-At: Subject: Re: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? 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[bfcpbis] [MMUSIC] m= line protocol in case of ICE Thread-Index: AQHSQFwSEnIqX9JFq0OJWjTO/qYWEKDczAiAgAAW2ICAAXMeAIAR2UqAgACUI4CAArojgA== Date: Thu, 1 Dec 2016 20:17:13 +0000 Message-ID: <16B5D8FF-F132-4B09-84D6-AE964CA7858D@cisco.com> References: <7594FB04B1934943A5C02806D1A2204B4BE3AE83@ESESSMB209.ericsson.se> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1b.0.161010 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.20.182.35] Content-Type: multipart/alternative; boundary="_000_16B5D8FFF1324B0984D6AE964CA7858Dciscocom_" MIME-Version: 1.0 Archived-At: Cc: "ice@ietf.org" , "bfcpbis@ietf.org" , Christer Holmberg , "mmusic@ietf.org" , Alan Ford Subject: Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list 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[209.85.220.177]) by smtp.gmail.com with ESMTPSA id q65sm962569qki.20.2016.12.01.12.34.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Dec 2016 12:34:54 -0800 (PST) Received: by mail-qk0-f177.google.com with SMTP id q130so70487132qke.1; Thu, 01 Dec 2016 12:34:54 -0800 (PST) X-Received: by 10.55.36.149 with SMTP id k21mr34828241qkk.252.1480624493868; Thu, 01 Dec 2016 12:34:53 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.145.205 with HTTP; Thu, 1 Dec 2016 12:34:53 -0800 (PST) In-Reply-To: <16B5D8FF-F132-4B09-84D6-AE964CA7858D@cisco.com> References: <7594FB04B1934943A5C02806D1A2204B4BE3AE83@ESESSMB209.ericsson.se> <16B5D8FF-F132-4B09-84D6-AE964CA7858D@cisco.com> From: Roman Shpount Date: Thu, 1 Dec 2016 15:34:53 -0500 X-Gmail-Original-Message-ID: Message-ID: To: "Charles Eckel (eckelcu)" Content-Type: multipart/alternative; boundary=001a114517f400f8ac05429ec1f0 Archived-At: Cc: "ice@ietf.org" , "bfcpbis@ietf.org" , Christer Holmberg , "mmusic@ietf.org" , Alan Ford Subject: Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Dec 2016 20:46:42 -0000 --001a114517f400f8ac05429ec1f0 Content-Type: text/plain; charset=UTF-8 Charles, RFC 6544 Sending Media (https://tools.ietf.org/html/rfc6544#section-10.1) says that "The framing defined in RFC 4571 MUST be used when sending media." This means the protocol used is not TCP/BFCP which is using application level framing. I believe that STUN/Media demultiplexing requirements would prevent using TCP/BFCP directly with ice tcp candidates without redesign of either ICE TCP or TCP/BFCP. Furthermore there are other implied ICE requirements that I outlined before (switching between udp and tpc candidates, existence of SBC which terminate ICE only but do not support the embedded protocol) because of which ice tcp is considered unreliable transport and will require fragmentation support and re-transmit timers that are not part of TCP/BFCP. Regards, _____________ Roman Shpount On Thu, Dec 1, 2016 at 3:17 PM, Charles Eckel (eckelcu) wrote: > Roman, > > > > Why would selecting TCP/BFCP as transport violate RFC 6544? Perhaps it > does, but after a quick scan I am not sure why. > > > > Cheers, > > Charles > > > > *From: *Roman Shpount > *Date: *Tuesday, November 29, 2016 at 10:38 AM > *To: *Charles Eckel > *Cc: *Alan Ford , "bfcpbis@ietf.org" < > bfcpbis@ietf.org>, "ice@ietf.org" , "mmusic@ietf.org" < > mmusic@ietf.org>, Christer Holmberg > *Subject: *Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE > > > > On Tue, Nov 29, 2016 at 12:48 PM, Charles Eckel (eckelcu) < > eckelcu@cisco.com> wrote: > > It seems to me that the most straightforward approach would be to mandate > support for BFCP over UDP when using ICE, use UDP as the default candidate, > and signal the BFCP m-line as if it is BFCP over UDP. If we can mandate the > use of DTLS, that would be even better. > > Thoughts? > > > > > > I agree. > > > > The only issue that I still have, if DTLS is not used, what protocol is > used when ICE tcp candidate is selected for transport. Is this TCP/BFCP > (which goes against RFC6544) or is it UDP/BFCP with RFC4571 framing? If it > is UDP/BFCP with RFC4571 framing, what transport tag should be used in the > re-INVITE which is sent after ICE nomination with only selected candidate? > Should it be TCP/UDP/BFCP or something similar? > > > > Regards, > > _____________ > Roman Shpount > > > > --001a114517f400f8ac05429ec1f0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Charles,




_____________
Roman Shpount

On Thu, Dec 1, 2016 at 3:17 PM, Charles Ecke= l (eckelcu) <eckelcu@cisco.com> wrote:

Roman,

=C2=A0

Why would selecting TCP/BFCP as transport violate RF= C 6544? Perhaps it does, but after a quick scan I am not sure why.

=C2=A0

Cheers,

Charles

=C2=A0

F= rom: Roman Shpount <roman@telurix.com>=
Date: Tuesday, November 29, 2016 at 10:38 AM
To: Charles Eckel <eckelcu@cisco.com>
Cc: Alan Ford <alan.ford@gmail.com>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>, "ice@ietf.org" <ice@ietf.org>, "mmusic@ietf.org" <= ;mmusic@ietf.org&g= t;, Christer Holmberg <christer.holmberg@ericsson.com>
Subject: Re: [bfcpbis] [MMUSIC] m=3D line protocol in case of ICE=

=C2=A0

On Tue, Nov 29, 2016 at 12:48 PM, Charles Eckel (eck= elcu) <eckelcu@ci= sco.com> wrote:

It seems to me that the most straightforward approac= h would be to mandate support for BFCP over UDP when using ICE, use UDP as = the default candidate, and signal the BFCP m-line as if it is BFCP over UDP. If we can mandate the use of DTLS, that would b= e even better.

Thoughts?

=C2=A0

=C2=A0

I agree.

=C2=A0

The only issue that I still have, if DTLS is not use= d, what protocol is used when ICE tcp candidate is=C2=A0selected for transp= ort. Is this TCP/BFCP (which goes against RFC6544) =C2=A0or is it UDP/BFCP = with RFC4571 framing? If it is UDP/BFCP with RFC4571 framing, what transport tag should be used in the re-INVITE which = is sent after ICE nomination with only selected candidate? Should it be TCP= /UDP/BFCP or something similar?

=C2=A0

Regards,

_____________
Roman Shpount

=C2=A0


--001a114517f400f8ac05429ec1f0-- From nobody Fri Dec 2 15:47:36 2016 Return-Path: X-Original-To: bfcpbis@ietfa.amsl.com Delivered-To: bfcpbis@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 422A3129478 for ; Fri, 2 Dec 2016 15:47:31 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -17.417 X-Spam-Level: X-Spam-Status: No, score=-17.417 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-2.896, SPF_HELO_PASS=-0.001, SPF_PASS=-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 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 smbJgLw2KHGN for ; Fri, 2 Dec 2016 15:47:28 -0800 (PST) Received: from alln-iport-7.cisco.com (alln-iport-7.cisco.com [173.37.142.94]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7EC2A12945F for ; Fri, 2 Dec 2016 15:47:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=19666; q=dns/txt; s=iport; t=1480722448; x=1481932048; h=from:to:subject:date:message-id:references:in-reply-to: mime-version; bh=DfV2nJaYRp+9uqGnxgmamtKUXwHK3mnfbeznVGftrAo=; b=b+524ZDqU8XMF4K8ksfCXCLRgAUmI25FBh1wM7M1sUVOToJPj+7AVXXN rfPxbMTCX7VCooog8VO1bi6ZuEN05Jhr1Br7HWkvm3AEkfIDjhntL6tB+ uJtJWU32Zjdk/fT5SUqzBDXbEXwrA4Lz0XiFOdBUThN1rmuJfJa9CSGIV M=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0BtAQBWB0JY/4MNJK1cGgEBAQECAQEBA?= =?us-ascii?q?QgBAQEBgnNFAQEBAQEfWoEGB40/lwuPWoUiggaGIgIaggM/FAECAQEBAQEBAWI?= =?us-ascii?q?ohGgBAQEEI2YCAQgRAwEBASQEAwICAjAUCAEIAgQBEohvrFuCKS+LFwEBAQEBA?= =?us-ascii?q?QEBAQEBAQEBAQEBAQEBARyIO4JehGkWgk4tgjAFiUiLMoVpAZETgXKEfIlLjgC?= =?us-ascii?q?EDAEfNzBpIw4BAYNdgUVyh3GBDQEBAQ?= X-IronPort-AV: E=Sophos;i="5.33,289,1477958400"; d="scan'208,217";a="355967351" Received: from alln-core-1.cisco.com ([173.36.13.131]) by alln-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 02 Dec 2016 23:47:27 +0000 Received: from XCH-RCD-016.cisco.com (xch-rcd-016.cisco.com [173.37.102.26]) by alln-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id uB2NlR8i026600 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Fri, 2 Dec 2016 23:47:27 GMT Received: from xch-aln-018.cisco.com (173.36.7.28) by XCH-RCD-016.cisco.com (173.37.102.26) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 2 Dec 2016 17:47:27 -0600 Received: from xch-aln-018.cisco.com ([173.36.7.28]) by XCH-ALN-018.cisco.com ([173.36.7.28]) with mapi id 15.00.1210.000; Fri, 2 Dec 2016 17:47:26 -0600 From: "Charles Eckel (eckelcu)" To: Christer Holmberg , "bfcpbis@ietf.org" Thread-Topic: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? Thread-Index: AQHSTAtz9sVBeuUTy0em3W4FN9quUqDzgbzwgAGxhAA= Date: Fri, 2 Dec 2016 23:47:26 +0000 Message-ID: References: <3211B903-DD95-4169-B6F2-64C16A5F8A50@cisco.com> <7594FB04B1934943A5C02806D1A2204B4BEB90CE@ESESSMB209.ericsson.se> In-Reply-To: <7594FB04B1934943A5C02806D1A2204B4BEB90CE@ESESSMB209.ericsson.se> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1b.0.161010 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.20.182.35] Content-Type: multipart/alternative; boundary="_000_B1C4007857FA4D868FB950FD856D9B6Fciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] FW: Do we want to mandate all protocols supporting ICE and multiple transports to support transport switch on-the-fly before nomination? 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with ESMTP/TLS/DHE-RSA-AES256-SHA; 03 Dec 2016 00:01:21 +0000 Received: from XCH-RCD-018.cisco.com (xch-rcd-018.cisco.com [173.37.102.28]) by alln-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id uB301LdK018194 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Sat, 3 Dec 2016 00:01:21 GMT Received: from xch-aln-018.cisco.com (173.36.7.28) by XCH-RCD-018.cisco.com (173.37.102.28) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Fri, 2 Dec 2016 18:01:20 -0600 Received: from xch-aln-018.cisco.com ([173.36.7.28]) by XCH-ALN-018.cisco.com ([173.36.7.28]) with mapi id 15.00.1210.000; Fri, 2 Dec 2016 18:01:20 -0600 From: "Charles Eckel (eckelcu)" To: Roman Shpount Thread-Topic: [bfcpbis] [MMUSIC] m= line protocol in case of ICE Thread-Index: AQHSQFwSEnIqX9JFq0OJWjTO/qYWEKDczAiAgAAW2ICAAXMeAIAR2UqAgACUI4CAArojgIAAiwyAgAFF5oA= Date: Sat, 3 Dec 2016 00:01:20 +0000 Message-ID: <64E8A5CF-89ED-4673-AF23-2C960395C3EF@cisco.com> References: <7594FB04B1934943A5C02806D1A2204B4BE3AE83@ESESSMB209.ericsson.se> <16B5D8FF-F132-4B09-84D6-AE964CA7858D@cisco.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1b.0.161010 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.20.182.35] Content-Type: multipart/alternative; boundary="_000_64E8A5CF89ED4673AF232C960395C3EFciscocom_" MIME-Version: 1.0 Archived-At: Cc: "ice@ietf.org" , "bfcpbis@ietf.org" , Christer Holmberg , "mmusic@ietf.org" , Alan Ford Subject: Re: [bfcpbis] [MMUSIC] m= line protocol in case of ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Dec 2016 00:01:47 -0000 --_000_64E8A5CF89ED4673AF232C960395C3EFciscocom_ Content-Type: text/plain; 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PC9kaXY+DQo8L2JvZHk+DQo8L2h0bWw+DQo= --_000_64E8A5CF89ED4673AF232C960395C3EFciscocom_-- From nobody Fri Dec 9 09:04:22 2016 Return-Path: X-Original-To: bfcpbis@ietfa.amsl.com Delivered-To: bfcpbis@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C7CB129952 for ; Fri, 9 Dec 2016 09:04:16 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.721 X-Spam-Level: X-Spam-Status: No, score=-2.721 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_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cooperw.in header.b=X5+y3Onb; dkim=pass (1024-bit key) header.d=messagingengine.com header.b=nHVlQE9J 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 RAVJExoFWp3W for ; Fri, 9 Dec 2016 09:04:15 -0800 (PST) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A32DA1298D0 for ; Fri, 9 Dec 2016 09:03:43 -0800 (PST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 01603208E9 for ; Fri, 9 Dec 2016 12:03:42 -0500 (EST) Received: from frontend1 ([10.202.2.160]) by compute7.internal (MEProxy); Fri, 09 Dec 2016 12:03:43 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=cooperw.in; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-me-sender:x-me-sender:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=8BRW7U1qWOBcd/gTHSPOrFPFQ/g=; b=X5+y3O nbUlMFBo/bwNTi/qP6EGHtJVUOmfdde6zNxZyX4+eO+UvG0yNFO4pZd7hiQ+P9go 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bfcpbis@ietf.org Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) X-Mailer: Apple Mail (2.3124) Archived-At: Subject: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-bfcp-websocket-11 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Dec 2016 17:04:16 -0000 I have reviewed this document in preparation for IETF last call. It is = in good shape but I have a couple of comments to discuss before issuing = the last call. I=E2=80=99ve also included some nits below that should be = resolved together this IETF LC comments. Substantive comments: =3D Section 5 =3D "The BFCP server is a server, on the Internet, and thus doesn't need ICE and thus the clients always initiate connection to it, and the clients only validate its certificate and the clients do not include their certificate in TLS ClientHello." This is text from the SDP directorate review of = draft-ietf-bfcpbis-sdp-ws-uri right? I'm not really clear on why all of = it needs to be in this document, or in this section which is about = transport reliability, at least. I would suggest: "The BFCP server is a server on the Internet and thus does not require = ICE as clients always initiate connections to it." =3D Section 6.2 =3D s/as the a=3Dws-uri or a=3Dwss-uri SHALL provide port number when = needed./as the a=3Dws-uri or a=3Dwss-uri SHOULD provide port number when = needed./ If it's not always needed then SHOULD is more appropriate than SHALL. =3D Section 8 =3D OLD The BFCP client validates the server by means of verifying server = certificate and this requires wss-uri contains a hostname. a=3Dfingerprint= is not used here in the verification process. NEW The BFCP client validates the server by means of verifying the server = certificate. This means the wss-uri MUST contain a hostname. The = verification process does not use a=3Dfingerprint. =3D Section 9 =3D Don't the security considerations from RFC 6455 apply as well? =3D Section 12.1 =3D I think RFC 7525 and draft-ietf-bfcpbis-rfc4583bis should be normative = references. Nits: =3D General =3D Per the RFC style guide, when a document has more than 5 authors, 1 or 2 = editors should be chosen and the remaining authors listed in the = Contributors section. =3D Section 4.1 =3D s/the value "bfcp"/the value "BFCP"/ =3D Section 6.1 =3D s/When TCP is used as the transport, the port field is set following/The = port field is set following OLD So, while the recommendation to use Secure WebSockets (i.e. TCP/WSS) is for security reasons, it is also to achieve maximum compatibility among clients. NEW So, while this document recommends the use of Secure WebSockets (i.e. TCP/WSS) for security reasons, TCP/WS is also permitted so as to = achieve maximum compatibility among clients. =3D Section 6.2 and 7.1 =3D These sections have formatting problems and repeated text that need to = be fixed. =3D Section 8 =3D s/with webSocket server/with the WebSocket server/ From nobody Fri Dec 9 11:38:31 2016 Return-Path: X-Original-To: bfcpbis@ietfa.amsl.com Delivered-To: bfcpbis@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C35EC129550 for ; Fri, 9 Dec 2016 11:38:29 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.721 X-Spam-Level: X-Spam-Status: No, score=-2.721 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_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cooperw.in header.b=31X9Pupn; dkim=pass (1024-bit key) header.d=messagingengine.com header.b=VRtxIAqD 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 ri9WTOxU9s6l for ; Fri, 9 Dec 2016 11:38:28 -0800 (PST) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7A814129532 for ; Fri, 9 Dec 2016 11:38:28 -0800 (PST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id E0D9620B08 for ; Fri, 9 Dec 2016 14:38:27 -0500 (EST) Received: from frontend1 ([10.202.2.160]) by compute7.internal (MEProxy); Fri, 09 Dec 2016 14:38:27 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=cooperw.in; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-me-sender:x-me-sender:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=Qw/oQHPLpgTNKMjylZF/N1RKJRc=; b=31X9Pu pn2dyoHjyZyW2eGwxvZXlfprKAy6UwQc2I+JJUiM8vl1TCw5+Bm2lOusFe6Gt7Nr K/RjKNSiIqKwwBEEKUuz25NhZuPuZKNbVTD73Efr2mkLdo95DpxM7Uz1Wz0vuH0P 88sL3ExfOGBGAoPioxYa8eAVNtp+1F38Qoj5I= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-sender :x-me-sender:x-sasl-enc:x-sasl-enc; s=smtpout; bh=Qw/oQHPLpgTNKM jylZF/N1RKJRc=; b=VRtxIAqDGyXIArxnk8K51U83kzLVGJWz0zz3/CWd4xT//8 4bhL00vRzrrO74t9Wamy7cfomibsEsTaRqhwpCL8rzUElqf4bGgTAWwFbP/hDFLa MwIZyPwF2DeCTGwsbfTuVs/l2QqKc8JPx8bYHzmb1RJ4yGZVUceeymRWoXzfk= X-ME-Sender: X-Sasl-enc: tdovlG3QxyLs3QcV/HtrgDGVw0fhyxDQtEKNUmvcI2wC 1481312307 Received: from sjc-alcoop-8819.cisco.com (unknown [128.107.241.190]) by mail.messagingengine.com (Postfix) with ESMTPA id 762E77E398 for ; Fri, 9 Dec 2016 14:38:27 -0500 (EST) From: Alissa Cooper Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Message-Id: Date: Fri, 9 Dec 2016 14:38:25 -0500 To: bfcpbis@ietf.org Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) X-Mailer: Apple Mail (2.3124) Archived-At: Subject: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Dec 2016 19:38:30 -0000 I have reviewed this document in preparation for IETF last call. I have = a couple of comments to discuss before issuing the last call. I=E2=80=99ve= also included some nits below that should be resolved together this = IETF LC comments. Substantive comments: =3D Section 1 =3D "In most cases it is not viable for certificates signed by well known authorities." I don't understand what this sentence means. =3D Section 5 =3D "If there are multiple records returned for the connection URI in the "a=3Dwss-uri" or "a=3Dws-uri" then the clients MAY use procedures in Section 4 of [RFC6555] to attempt the connection towards the server." I'm confused about this. Why would there be multiple URIs? This isn't = explained anywhere in the document. (Furthermore, I don't understand the = comment from Dan Wing that was the origin of this text, I think. I = thought the point of all of this work is to take advantage of the = underlying WebSocket to send BFCP messages, so wouldn't DNS resolution = be handled by the HTTP stack on the client?) =3D Section 6 =3D "Consequently, it is strongly RECOMMENDED that integrity protection be applied to the SDP session descriptions. For session descriptions carried in SIP [RFC3261], S/ MIME is the natural choice to provide such end-to-end integrity protection." Is this just suggesting S/MIME to have nice words in the text, or do you = expect to see implementations using S/MIME to protect their SDP bodies? Nits: =3D Section 1 =3D OLD As defined in Section 3 of [RFC2818], when using Secure WebSockets the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) [RFC6101] certificate MUST match the WebSocket connection URI host. NEW When using Secure WebSockets the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) [RFC6101] certificate MUST match the WebSocket connection URI host = (see Section 3 of [RFC2818]). =20 =3D Section 5 =3D s/on Internet/on the Internet/ =20 s/ports (80 or 443)/port (80 or 443)/ =3D Section 6 =3D s/it is strongly RECOMMENDED/it is RECOMMENDED/ From nobody Tue Dec 20 22:33:53 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C0BC129434; Tue, 20 Dec 2016 22:33:52 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.40.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <148230203243.23701.17795347336499256960.idtracker@ietfa.amsl.com> Date: Tue, 20 Dec 2016 22:33:52 -0800 Archived-At: Cc: bfcpbis@ietf.org Subject: [bfcpbis] I-D Action: draft-ietf-bfcpbis-bfcp-websocket-12.txt X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 06:33:52 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Binary Floor Control Protocol Bis of the IETF. Title : The WebSocket Protocol as a Transport for the Binary Floor Control Protocol (BFCP) Authors : Victor Pascual Antón Román Stéphane Cazeaux Gonzalo Salgueiro Ram Mohan Ravindranath Sergio Garcia Murillo Filename : draft-ietf-bfcpbis-bfcp-websocket-12.txt Pages : 13 Date : 2016-12-20 Abstract: The WebSocket protocol enables two-way realtime communication between clients and servers. This document specifies a new WebSocket sub- protocol as a reliable transport mechanism between Binary Floor Control Protocol (BFCP) entities to enable usage of BFCP in new scenarios. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-bfcp-websocket/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-bfcpbis-bfcp-websocket-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-bfcpbis-bfcp-websocket-12 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Tue Dec 20 22:47:28 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 84A801296DD; Tue, 20 Dec 2016 22:47:26 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.40.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <148230284653.23772.11919304303846861902.idtracker@ietfa.amsl.com> Date: Tue, 20 Dec 2016 22:47:26 -0800 Archived-At: Cc: bfcpbis@ietf.org Subject: [bfcpbis] I-D Action: draft-ietf-bfcpbis-bfcp-websocket-13.txt X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 06:47:26 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Binary Floor Control Protocol Bis of the IETF. Title : The WebSocket Protocol as a Transport for the Binary Floor Control Protocol (BFCP) Authors : Victor Pascual Antón Román Stéphane Cazeaux Gonzalo Salgueiro Ram Mohan Ravindranath Sergio Garcia Murillo Filename : draft-ietf-bfcpbis-bfcp-websocket-13.txt Pages : 13 Date : 2016-12-20 Abstract: The WebSocket protocol enables two-way realtime communication between clients and servers. This document specifies a new WebSocket sub- protocol as a reliable transport mechanism between Binary Floor Control Protocol (BFCP) entities to enable usage of BFCP in new scenarios. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-bfcp-websocket/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-bfcpbis-bfcp-websocket-13 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-bfcpbis-bfcp-websocket-13 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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from xch-rtp-017.cisco.com ([64.101.220.157]) by XCH-RTP-017.cisco.com ([64.101.220.157]) with mapi id 15.00.1210.000; Wed, 21 Dec 2016 01:51:00 -0500 From: "Ram Mohan R (rmohanr)" To: Alissa Cooper , "bfcpbis@ietf.org" Thread-Topic: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 Thread-Index: AQHSUlPULEivK+h/zEa27ao50+0e5qESuIoA Date: Wed, 21 Dec 2016 06:51:00 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1a.0.160910 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.196.92.37] Content-Type: text/plain; charset="utf-8" Content-ID: <026726A5FBA2234985F2961D59112D66@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: 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[66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 574E312958C for ; Wed, 21 Dec 2016 07:50:43 -0800 (PST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id C72B220C2C; Wed, 21 Dec 2016 10:50:42 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute7.internal (MEProxy); Wed, 21 Dec 2016 10:50:42 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=cooperw.in; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=vOZI7niVFUpApSo gbVprqeuIzo0=; b=rsP1bSvXjiK9fj3xL3kVid5IXWEt2JZUFlU8ql+XOck5AhV pYupZeFEiiLcbKykEWgbreF256gMs61Dn0Jllm6e1ZGy7JVMdDJ0forBSbmvxD6J LniHadWjUN/79KxiCboi1BfZ+P4aRPqmG+zDyl7l3P9nG5pwIW+W2yUFIW7M= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s= smtpout; bh=vOZI7niVFUpApSogbVprqeuIzo0=; b=I30i4jURT9JP3SKkt/zm nZxrJD/SqRor979K3uXKttGO4RRxZ/2Yb4Ag0clgPfvNQBm/G2+76JzjwBsH4LGX 7iuUHPPGD578QCS/xc6JimlebLBsHaXhiyonvp8yMaWL1Te0JzgUHGfu+ayt7uhA 0Jr5RZBmi3TnGGuChPByntc= X-ME-Sender: X-Sasl-enc: XhSgqhCbi64ZwWFxP3B3Sjqq0N8vrDlV89Vcre/odR6f 1482335442 Received: from sjc-alcoop-8812.cisco.com (unknown [128.107.241.181]) by mail.messagingengine.com (Postfix) with ESMTPA id 0395C243CF; Wed, 21 Dec 2016 10:50:41 -0500 (EST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Alissa Cooper In-Reply-To: Date: Wed, 21 Dec 2016 10:51:48 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: <83516D34-D1DA-413F-A474-46D2B555C783@cooperw.in> References: To: "Ram Mohan R (rmohanr)" X-Mailer: Apple Mail (2.3124) Archived-At: Cc: "bfcpbis@ietf.org" Subject: Re: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 15:50:45 -0000 Hi Ram, > On Dec 21, 2016, at 1:51 AM, Ram Mohan R (rmohanr) = wrote: >=20 > Hi Alissa, >=20 > Thanks for your feedback. Please see inline >=20 > -----Original Message----- > From: bfcpbis on behalf of Alissa Cooper = > Date: Saturday, 10 December 2016 at 1:08 AM > To: "bfcpbis@ietf.org" > Subject: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 >=20 > I have reviewed this document in preparation for IETF last call. I = have a couple of comments to discuss before issuing the last call. = I=E2=80=99ve also included some nits below that should be resolved = together this IETF LC comments. >=20 > Substantive comments: >=20 > =3D Section 1 =3D >=20 > "In most cases it is not viable for certificates signed by well = known > authorities." >=20 > This text was added to indicate that it is not always possible = to get the certificates signed by well known authorities.=20 Your response says the same thing that the document says, which = doesn=E2=80=99t explain why this claim is being made or why it is even = being discussed in this paragraph. I actually don=E2=80=99t really = understand what the first half of the this paragraph has to do with the = second half. It would make sense to me if the paragraph started with = =E2=80=9CFor applications that use Session Description Protocol (SDP) = =E2=80=A6=E2=80=9D without the first three sentences. To go through = sentence by sentence: "As defined in Section 3 of [RFC2818], when using Secure WebSockets the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) [RFC6101] certificate MUST match the WebSocket connection URI = host.=E2=80=9D First, nothing about the WebSocket connection URI is defined in RFC = 2818, so that citation is misplaced. Also, why is this document stating = a normative requirement about all secure websockets? "In most cases it is not viable for certificates signed by well known authorities.=E2=80=9D This sentence is provided without qualification =E2=80=94 why is this = the case? "Thus, there is a need to indicate the connection URI for the WebSocket Client.=E2=80=9D This doesn=E2=80=99t follow from the previous sentence. If it is true = that certificates to be used for secure websockets are not signed by = well-known authorities, why would that imply a need to express the = connection URI some other way? A self-signed cert would still give a = CNAME, wouldn=E2=80=99t it? >=20 > I don't understand what this sentence means. >=20 > =3D Section 5 =3D >=20 > "If there are > multiple records returned for the connection URI in the = "a=3Dwss-uri" > or "a=3Dws-uri" then the clients MAY use procedures in Section 4 = of > [RFC6555] to attempt the connection towards the server." >=20 > I'm confused about this. Why would there be multiple URIs? This = isn't explained anywhere in the document. (Furthermore, I don't = understand the comment from Dan Wing that was the origin of this text, I = think. I thought the point of all of this work is to take advantage of = the underlying WebSocket to send BFCP messages, so wouldn't DNS = resolution be handled by the HTTP stack on the client?) >=20 > Yes this text was added based on feedback from SDP directorate. = I think you have a valid point that the DNS resolution may be taken care = at HTTP stack and the procedures in RFC6555 may be used at that level. = In that case this text may not fit well in here. Do you want me to = remove this from the doc ? If the text stays in, it needs to be clarified. Or if you think you = don=E2=80=99t need it, it can be taken out. >=20 > =3D Section 6 =3D >=20 > "Consequently, it is strongly > RECOMMENDED that integrity protection be applied to the SDP session > descriptions. For session descriptions carried in SIP [RFC3261], S/ > MIME is the natural choice to provide such end-to-end integrity > protection." >=20 > Is this just suggesting S/MIME to have nice words in the text, or = do you expect to see implementations using S/MIME to protect their SDP = bodies? >=20 > I have not seen many implementations use S/MIME. Most of them = use SIP over TLS (even though it may not provide e2e security) in case = they need to protect the SIP/SDP Then I would suggest s/is the natural choice/is available/ Thanks, Alissa >=20 > Will take care of the NITS below. >=20 > Thanks, > Ram >=20 > Nits: >=20 > =3D Section 1 =3D >=20 > OLD > As defined in Section 3 of [RFC2818], when using Secure WebSockets > the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) > [RFC6101] certificate MUST match the WebSocket connection URI = host. >=20 > NEW > When using Secure WebSockets > the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) > [RFC6101] certificate MUST match the WebSocket connection URI = host (see Section 3 of [RFC2818]). >=20 > =3D Section 5 =3D >=20 > s/on Internet/on the Internet/ =20 >=20 > s/ports (80 or 443)/port (80 or 443)/ >=20 > =3D Section 6 =3D >=20 > s/it is strongly RECOMMENDED/it is RECOMMENDED/ >=20 >=20 > _______________________________________________ > bfcpbis mailing list > bfcpbis@ietf.org > https://www.ietf.org/mailman/listinfo/bfcpbis >=20 >=20 From nobody Wed Dec 21 08:49:46 2016 Return-Path: X-Original-To: bfcpbis@ietfa.amsl.com Delivered-To: bfcpbis@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7E12F12966F for ; Wed, 21 Dec 2016 08:49:44 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -17.622 X-Spam-Level: X-Spam-Status: No, score=-17.622 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-3.1, SPF_HELO_PASS=-0.001, SPF_PASS=-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 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 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21 Dec 2016 11:49:41 -0500 From: "Ram Mohan R (rmohanr)" To: Alissa Cooper Thread-Topic: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 Thread-Index: AQHSUlPULEivK+h/zEa27ao50+0e5qESuIoAgAA65gCAAGxcAA== Date: Wed, 21 Dec 2016 16:49:40 +0000 Message-ID: <5D387442-4F3E-428E-A7F3-7D503F33E2A6@cisco.com> References: <83516D34-D1DA-413F-A474-46D2B555C783@cooperw.in> In-Reply-To: <83516D34-D1DA-413F-A474-46D2B555C783@cooperw.in> Accept-Language: en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.1a.0.160910 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.65.72.6] Content-Type: text/plain; charset="utf-8" Content-ID: <321871DBE501794794D045BF259AC347@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Cc: "bfcpbis@ietf.org" Subject: Re: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 16:49:44 -0000 SGkgQWxpc3NhLA0KDQpUaGFua3MgZm9yIHlvdXIgcmVzcG9uc2UuIFBsZWFzZSBzZWUgaW5saW5l Lg0KDQotLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KRnJvbTogQWxpc3NhIENvb3BlciA8YWxp c3NhQGNvb3BlcncuaW4+DQpEYXRlOiBXZWRuZXNkYXksIDIxIERlY2VtYmVyIDIwMTYgYXQgOToy MSBQTQ0KVG86ICJSYW0gTW9oYW4gUiAocm1vaGFucikiIDxybW9oYW5yQGNpc2NvLmNvbT4NCkNj OiAiYmZjcGJpc0BpZXRmLm9yZyIgPGJmY3BiaXNAaWV0Zi5vcmc+DQpTdWJqZWN0OiBSZTogW2Jm Y3BiaXNdIEFEIGV2YWx1YXRpb246IGRyYWZ0LWlldGYtYmZjcGJpcy1zZHAtd3MtdXJpLTA2DQoN CiAgICBIaSBSYW0sDQogICAgDQogICAgPiBPbiBEZWMgMjEsIDIwMTYsIGF0IDE6NTEgQU0sIFJh bSBNb2hhbiBSIChybW9oYW5yKSA8cm1vaGFuckBjaXNjby5jb20+IHdyb3RlOg0KICAgID4gDQog ICAgPiBIaSBBbGlzc2EsDQogICAgPiANCiAgICA+IFRoYW5rcyBmb3IgeW91ciBmZWVkYmFjay4g UGxlYXNlIHNlZSBpbmxpbmUNCiAgICA+IA0KICAgID4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0t 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mailout.nyi.internal (Postfix) with ESMTP id E08C6207A1; Wed, 21 Dec 2016 12:37:57 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute7.internal (MEProxy); Wed, 21 Dec 2016 12:37:57 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=cooperw.in; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=sp2DDEvf7KrBO6t 9KOmhnFHx0u8=; b=D+5FkAqy9ooXOZnl/Taby4hAoA7MbY7l9ipHJotNRRPNBM2 sGpMyfGiZN0W+dCYdH0hN3Y1sIRRUDUhZVNZhpw9Qz6Q3i4ZC/LkPOXvxeoTMNie 01D38auk8K4WvDB8MTH0QpZKV1vyUliV6muZGC0VFxpjBvuSmPxI4C3y0CJA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s= smtpout; bh=sp2DDEvf7KrBO6t9KOmhnFHx0u8=; b=s4KuUNjco6cv60CFpiAK uq8MAC+4fDvmq6YyYuOk948Nd2Bzn1da+Jc8ohxNUyOXInEfZZit/s3YLM2IVYVZ IlPOBj1fBc/N82EXhgLj+YVBJw8VbmfGWBiP7zezPYYkOOUJnL3hrYKxn3a7SL0v YaIr0R3FF9NsC0VBmu0MDIk= X-ME-Sender: X-Sasl-enc: AQczVoofxiyHmn7dtLzbUYGJOcDDwUERsnAmIwCE+cDH 1482341877 Received: from sjc-alcoop-8812.cisco.com (unknown [128.107.241.181]) by mail.messagingengine.com (Postfix) with ESMTPA id 161E7241D1; Wed, 21 Dec 2016 12:37:56 -0500 (EST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Alissa Cooper In-Reply-To: <5D387442-4F3E-428E-A7F3-7D503F33E2A6@cisco.com> Date: Wed, 21 Dec 2016 12:37:55 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: References: <83516D34-D1DA-413F-A474-46D2B555C783@cooperw.in> <5D387442-4F3E-428E-A7F3-7D503F33E2A6@cisco.com> To: "Ram Mohan R (rmohanr)" X-Mailer: Apple Mail (2.3124) Archived-At: Cc: "bfcpbis@ietf.org" Subject: Re: [bfcpbis] AD evaluation: draft-ietf-bfcpbis-sdp-ws-uri-06 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 17:38:00 -0000 > On Dec 21, 2016, at 11:49 AM, Ram Mohan R (rmohanr) = wrote: >=20 > I will modify the last para of section 1 to below. Will remove some = of the text that is not really relevant. >=20 > EXISTING: > As defined in Section 3 of [RFC2818], when using Secure WebSockets > the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) > [RFC6101] certificate MUST match the WebSocket connection URI host. > In most cases it is not viable for certificates signed by well known > authorities. Thus, there is a need to indicate the connection URI > for the WebSocket Client. For applications that use Session > Description Protocol (SDP) [RFC4566] to negotiate, the connection = URI > can be indicated by means of an SDP attribute. This specification > defines new SDP attributes to indicate the connection URI for the > WebSocket client. Applications that use SDP for negotiation and > WebSocket as a transport protocol can use this specification to > advertise the WebSocket client connection URI. >=20 >=20 > NEW: > When WebSocket sub-protocol is used as a transport mechanism between a = server and client,=20 > there needs to be a way to indicate the connection URI from the Server = to the=20 > WebSocket Client. For applications that use Session Description = Protocol (SDP) [RFC4566]=20 > to negotiate, the connection URI can be indicated by means of an SDP = attribute. =20 > This specification defines new SDP attributes to indicate the = connection URI for the > WebSocket client. Applications that use SDP for negotiation and > WebSocket as a transport protocol can use this specification to > advertise the WebSocket client connection URI. >=20 > Is this better? Yes, thanks. Alissa >=20 >>=20 >> I don't understand what this sentence means. >>=20 >> =3D Section 5 =3D >>=20 >> "If there are >> multiple records returned for the connection URI in the = "a=3Dwss-uri" >> or "a=3Dws-uri" then the clients MAY use procedures in Section 4 = of >> [RFC6555] to attempt the connection towards the server." >>=20 >> I'm confused about this. Why would there be multiple URIs? This = isn't explained anywhere in the document. (Furthermore, I don't = understand the comment from Dan Wing that was the origin of this text, I = think. I thought the point of all of this work is to take advantage of = the underlying WebSocket to send BFCP messages, so wouldn't DNS = resolution be handled by the HTTP stack on the client?) >>=20 >> Yes this text was added based on feedback from SDP directorate. = I think you have a valid point that the DNS resolution may be taken care = at HTTP stack and the procedures in=20 >> RFC6555 may be used at that level. In that case this text may not = fit well in here. Do you want me to remove this from the doc ? >=20 >> If the text stays in, it needs to be clarified. Or if you think you = don=E2=80=99t need it, it can be taken out. >=20 > Yes. Will remove this line. >=20 >>=20 >> =3D Section 6 =3D >>=20 >> "Consequently, it is strongly >> RECOMMENDED that integrity protection be applied to the SDP session >> descriptions. For session descriptions carried in SIP [RFC3261], S/ >> MIME is the natural choice to provide such end-to-end integrity >> protection." >>=20 >> Is this just suggesting S/MIME to have nice words in the text, or = do you expect to see implementations using S/MIME to protect their SDP = bodies? >>=20 >> I have not seen many implementations use S/MIME. Most of them = use SIP over TLS (even though it may not provide e2e security) in case = they need to protect the SIP/SDP >=20 >> Then I would suggest s/is the natural choice/is available/ >=20 > Thanks, will fix it >=20 > Regards, > Ram >=20 >> Thanks, >> Alissa >=20 >>=20 >> Will take care of the NITS below. >>=20 >> Thanks, >> Ram >>=20 >> Nits: >>=20 >> =3D Section 1 =3D >>=20 >> OLD >> As defined in Section 3 of [RFC2818], when using Secure WebSockets >> the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) >> [RFC6101] certificate MUST match the WebSocket connection URI = host. >>=20 >> NEW >> When using Secure WebSockets >> the Canonical Name (CNAME) of the Secure Sockets Layer (SSL) >> [RFC6101] certificate MUST match the WebSocket connection URI = host (see Section 3 of [RFC2818]). >>=20 >> =3D Section 5 =3D >>=20 >> s/on Internet/on the Internet/ =20 >>=20 >> s/ports (80 or 443)/port (80 or 443)/ >>=20 >> =3D Section 6 =3D >>=20 >> s/it is strongly RECOMMENDED/it is RECOMMENDED/ >>=20 >>=20 >> _______________________________________________ >> bfcpbis mailing list >> bfcpbis@ietf.org >> https://www.ietf.org/mailman/listinfo/bfcpbis >>=20 >>=20 >=20 >=20 >=20 From nobody Wed Dec 21 10:30:07 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id DF4A01298C0; Wed, 21 Dec 2016 10:30:01 -0800 (PST) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.40.2 Auto-Submitted: auto-generated Precedence: bulk Sender: Message-ID: <148234500187.12642.7634105303136627063.idtracker@ietfa.amsl.com> Date: Wed, 21 Dec 2016 10:30:01 -0800 Archived-At: Cc: alissa@cooperw.in, bfcpbis@ietf.org, draft-ietf-bfcpbis-bfcp-websocket@ietf.org, eckelcu@cisco.com, bfcpbis-chairs@ietf.org Subject: [bfcpbis] Last Call: (The WebSocket Protocol as a Transport for the Binary Floor Control Protocol (BFCP)) to Proposed Standard X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Reply-To: ietf@ietf.org List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 18:30:02 -0000 The IESG has received a request from the Binary Floor Control Protocol Bis WG (bfcpbis) to consider the following document: - 'The WebSocket Protocol as a Transport for the Binary Floor Control Protocol (BFCP)' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2017-01-11. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract The WebSocket protocol enables two-way realtime communication between clients and servers. This document specifies a new WebSocket sub- protocol as a reliable transport mechanism between Binary Floor Control Protocol (BFCP) entities to enable usage of BFCP in new scenarios. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-bfcp-websocket/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-bfcp-websocket/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Wed Dec 21 19:06:23 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 14461128BA2; Wed, 21 Dec 2016 19:06:23 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: X-Test-IDTracker: no X-IETF-IDTracker: 6.40.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <148237598301.12716.3616180974963530574.idtracker@ietfa.amsl.com> Date: Wed, 21 Dec 2016 19:06:23 -0800 Archived-At: Cc: bfcpbis@ietf.org Subject: [bfcpbis] I-D Action: draft-ietf-bfcpbis-sdp-ws-uri-07.txt X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Dec 2016 03:06:23 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Binary Floor Control Protocol Bis of the IETF. Title : Session Description Protocol (SDP) WebSocket Connection URI Attribute Authors : Ram Mohan Ravindranath Gonzalo Salgueiro Filename : draft-ietf-bfcpbis-sdp-ws-uri-07.txt Pages : 12 Date : 2016-12-21 Abstract: The WebSocket protocol enables bidirectional real-time communication between clients and servers in web-based applications. This document specifies extensions to Session Description Protocol (SDP) for application protocols using WebSocket as a transport. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-sdp-ws-uri/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-bfcpbis-sdp-ws-uri-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-bfcpbis-sdp-ws-uri-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Dec 22 09:10:57 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id EB6E51293D9; Thu, 22 Dec 2016 09:10:52 -0800 (PST) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.40.2 Auto-Submitted: auto-generated Precedence: bulk Sender: Message-ID: <148242665292.22436.6610537431533505958.idtracker@ietfa.amsl.com> Date: Thu, 22 Dec 2016 09:10:52 -0800 Archived-At: Cc: draft-ietf-bfcpbis-sdp-ws-uri@ietf.org, bfcpbis@ietf.org, alissa@cooperw.in, eckelcu@cisco.com, bfcpbis-chairs@ietf.org Subject: [bfcpbis] Last Call: (Session Description Protocol (SDP) WebSocket Connection URI Attribute) to Proposed Standard X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 Reply-To: ietf@ietf.org List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Dec 2016 17:10:53 -0000 The IESG has received a request from the Binary Floor Control Protocol Bis WG (bfcpbis) to consider the following document: - 'Session Description Protocol (SDP) WebSocket Connection URI Attribute' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2017-01-12. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract The WebSocket protocol enables bidirectional real-time communication between clients and servers in web-based applications. This document specifies extensions to Session Description Protocol (SDP) for application protocols using WebSocket as a transport. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-sdp-ws-uri/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-sdp-ws-uri/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Fri Dec 23 15:15:42 2016 Return-Path: X-Original-To: bfcpbis@ietf.org Delivered-To: bfcpbis@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 0CBC4129588; Fri, 23 Dec 2016 15:15:32 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Joel Halpern To: X-Test-IDTracker: no X-IETF-IDTracker: 6.40.3 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <148253493203.16856.4857620752315294427.idtracker@ietfa.amsl.com> Date: Fri, 23 Dec 2016 15:15:32 -0800 Archived-At: Cc: bfcpbis@ietf.org, ietf@ietf.org, draft-ietf-bfcpbis-sdp-ws-uri.all@ietf.org Subject: [bfcpbis] Review of draft-ietf-bfcpbis-sdp-ws-uri-07 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.17 List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Dec 2016 23:15:32 -0000 Reviewer: Joel Halpern Review result: Ready with Nits I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-bfcpbis-sdp-ws-uri-?? Reviewer: Joel Halpern Review Date: 2016-12-23 IETF LC End Date: 2017-01-12 IESG Telechat date: 2017-01-19 Summary: This document is ready for publication as a Proposed Standard RFC. I have a few minor comments that should be considered s they may improve future understanding of the document. Major issues: None Minor issues: In reading section 4.2 and 4.3, I believe I can guess at certain intended behaviors, but it is not as clearly stated as I think is desirable. There is also one odd statement in section 4.3 Taking the odd statement first, the text in section 4.3 refers the active answerer "towards the IP address and port of the offerer". But when WebSockets is used, one does not connect to the IP address and port, but to the URI specified. I believe that the intent in 4.2 and 4.3 is that whichever side will be "passive" is required to provide an a=ws-uri or a=wss-uri so that the other side can establish the connection to the URI. But section 4.2 does not say that. And the text in section4.3 that talks about providing the URI in the a= does not qualify whether it is required with active, passive, or both. Nits/editorial comments: N/A