From nobody Sun Jul 2 07:48:32 2017 Return-Path: <2mkristensen@gmail.com> 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 C6E821287A5 for ; Sun, 2 Jul 2017 07:48:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 NBPERVVyIRK3 for ; Sun, 2 Jul 2017 07:48:29 -0700 (PDT) Received: from mail-ua0-x236.google.com (mail-ua0-x236.google.com [IPv6:2607:f8b0:400c:c08::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D77C812871F for ; Sun, 2 Jul 2017 07:48:28 -0700 (PDT) Received: by mail-ua0-x236.google.com with SMTP id z22so97480550uah.1 for ; Sun, 02 Jul 2017 07:48:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=6O5zkaJwFPnBwMznOy2mzwhwUO457MuCX3RB51NQHTY=; b=oe7vmzZE+LNvolxCdnHsU3UXBdeyf/07Hv9j0fROh/z3SRgscQbILTS810gUk4v0v7 2d3MJa/xd5cuf1s7gMxFWcx7MQl0iugKfR5Rp/Zrj3foIIl6Ey91ITThohu7s/OB69l9 /t9nqJIgVeR00+NgdRajQU/GNl+PPXJ8c1x42V246+btUthM/jvZEpgEQCuiQX67NSO3 09eTBqH/J+X8HMdfC2HD5YJRgWcPhp+nGR9ixKpJDYXvgEx1WLBeXspLRIvQpetn6MAh JHtMgbzNwOKXsI9Bu0HugAPqGE4/APf47umzVlHNu7tKyUF8bLj/KIb/Eju8ADnkNMSD AhDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=6O5zkaJwFPnBwMznOy2mzwhwUO457MuCX3RB51NQHTY=; b=INmWPh2kkm91rCuR7vRcWglOWHUfWIFSWAYYIegZA6BC2XEj3ZzE2CZSQ+2dh2ZSJF lRSPz+IF2rU52WcHpMSCoifqf/DgcMWqsDo1x6kXMzB1yoyn005PvxWjxgBzhF42gg1L NWrz7vp08+u79Sp4ggVd6Qyh66+FFr8l/8Cly8Qt8D+B120rDBBx+5lnz5Q7xoVaVppr KNzoz5Jr/+UBKVrULzuw077oDf5CYugFyOWH1oRgN7UB3on4RXNOFJes1OOHLILdAyBR EyNiouFACoqPmLOUNEV81GzG45OlYWo+38Wrti6IE00BZ8v/GeFfUQZ6A477BjEK5IIK DfRw== X-Gm-Message-State: AKS2vOxrQYSoR+JgeE7yH7mD2fFUkpzccJWonCuL3EiyHEkO/Cm1vrjF rHAUnc6Uy5xDfXPStq3v3XQo15M85w== X-Received: by 10.176.75.157 with SMTP id v29mr15095125uaf.37.1499006907993; Sun, 02 Jul 2017 07:48:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.176.80.199 with HTTP; Sun, 2 Jul 2017 07:48:27 -0700 (PDT) In-Reply-To: References: From: Tom Kristensen <2mkristensen@gmail.com> Date: Sun, 2 Jul 2017 16:48:27 +0200 Message-ID: To: "Charles Eckel (eckelcu)" Cc: Roman Shpount , "Tom Kristensen (tomkrist)" , Tom Kristensen , "bfcpbis@ietf.org" , Gonzalo Camarillo , "Paul E. Jones" , Christer Holmberg , Mary Barnes Content-Type: multipart/alternative; boundary="f403043613d8445311055356be41" Archived-At: Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis required to enable ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Jul 2017 14:48:32 -0000 --f403043613d8445311055356be41 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable A new draft version of the draft (!) is about to be committed. I do believe all the issues in this thread are considered and handled. Please, verify if you have time. Diff to previous version: https://tools.ietf.org/rfcdiff?url1=3Ddraft-ietf-bfcpbis-rfc4583bis-16.txt&= url2=3Dhttp://ellevilla.it/tmp/draft-ietf-bfcpbis-rfc4583bis-17.txt This about to be the new version: http://ellevilla.it/tmp/draft-ietf-bfcpbis-rfc4583bis-17.txt -- Tom On 6 April 2017 at 21:26, Charles Eckel (eckelcu) wrote= : > Please see inline with [cue]. > > > > *From: *Roman Shpount > *Date: *Thursday, April 6, 2017 at 11:16 AM > *To: *Tom Kristensen <2mkristensen@gmail.com> > *Cc: *Charles Eckel , Tom Kristensen < > tomkrist@cisco.com>, Tom Kristensen , "bfcpbis@ietf.or= g" > , Gonzalo Camarillo , > Paul Jones , Christer Holmberg < > christer.holmberg@ericsson.com>, Mary Barnes > *Subject: *Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis > required to enable ICE > > > > On Thu, Apr 6, 2017 at 10:58 AM, Tom Kristensen <2mkristensen@gmail.com> > wrote: > > On 2 March 2017 at 23:14, Roman Shpount wrote: > > 1. In Section 3, we need to define an additional proto field value: > TCP/DTLS/BFCP, which is realized by running BFCP on top of DTLS as descib= ed > in this specification and running DTLS on top of TCP is realized using th= e > framing method defined in RFC4571, with DTLS packets being sent and > received instead of RTP/RTCP packets using the shim defined in RFC4571 so > that length field defined in RFC4571 precedes each DTLS message. All > sections of the document should be updated to include the TCP/DTLS/BFCP > transport. > > > > This was questioned by Charles and I agree with the conclusion, backwards > and forward compliancy is good although confusing/differing "syntax". > > > > I am not sure if this means you want to change this somehow or that you > are going to update the draft with TCP/DTLS/BFCP. I agree that the syntax > is not ideal but it is in line with other documents such as dtls-sdp or > sctp-sdp. > > > > [cue] I believe this was meant to express agreement with the consensus > that while not perfect, adding TCP/DTLS/BFCP to the draft is the best of > the alternatives explored. > > > > Cheers, > > Charles > > > > The id-nits checker made me aware of RFC 8122 obsoleting RFC 4572, I > reckon the additions necessary from the draft-ietf-mmusic-4572-update is > covered in the new RFC 8122 or not? > > > > draft-ietf-mmusic-4572-update is now published as RFC 8122, so references > to RFC 4572 should be updated to RFC 8122 > > > > The rest sounds good. > > > > When you publish the updated version I will review and provide comments. = I > will also sync comments which were made against the ICE Considerations > section of sctp-sdp with your draft. > > > > Regards, > > _____________ > > Roman Shpount > --=20 # http://folk.uio.no/tomkri/ | +47 9516 1107 (m) ## http://facebook.com/tomkri/ | xmpp:tomkri@jabber.no ### "=C3=85 leve er =C3=A5 ta stilling. Jeg hater likegyldige mennesker.", = A. Gramsci --f403043613d8445311055356be41 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
A new draft version of the draft (!) is about to be commit= ted. I do believe all the issues in this thread are considered and handled.= =C2=A0

Please, verify if you have time.

Diff to previous version:

On 6 April 2017 at 21:26, Charles Eckel (eckelcu) <eckelcu@cisc= o.com> wrote:

Please see inline with [cue].

=C2=A0

F= rom: Roman Shpount <rshpount@turbobrid= ge.com>
Date: Thursday, April 6, 2017 at 11:16 AM
To: Tom Kristensen <2mkristensen@gmail.com>
Cc: Charles Eckel <eckelcu@cisco.com>, Tom Kristensen <tomkrist@cisco.com>, Tom Kristen= sen <tomkri@ifi.u= io.no>, "= bfcpbis@ietf.org" <bfcpbis@ietf.org>, Gonzalo Camarillo <Gonzalo.Camarillo@eric= sson.com>, Paul Jones <paulej@packetizer.com>, Christer Holmberg <ch= rister.holmberg@ericsson.com>, Mary Barnes <mary.ietf.barnes@gmail.com<= /a>>
Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis requ= ired to enable ICE

=C2=A0

On 2 Mar= ch 2017 at 23:14, Roman Shpount <rshpount@turbobridge.com> wrote:

1. In Section 3, we need to define an additional pro= to field value: TCP/DTLS/BFCP, which is realized by running BFCP on top of= =C2=A0DTLS as descibed in this specification and running DTLS on top of TCP= is realized using the framing method defined in RFC4571, with DTLS packets being sent and received=C2=A0instead of RTP/= RTCP packets using the shim defined in RFC4571=C2=A0so that length field de= fined in RFC4571 precedes each DTLS message. All sections of the document s= hould be updated to include the TCP/DTLS/BFCP transport.

=C2=A0

This was questioned by Charles and I agree with the = conclusion, backwards and forward compliancy is good although confusing/dif= fering "syntax".=C2=A0

=C2=A0

I am not sure if this means you want to change this = somehow or that you are going to update the draft with TCP/DTLS/BFCP. I agr= ee that the syntax is not ideal but it is in line with other documents such= as dtls-sdp=C2=A0or sctp-sdp.

=C2=A0

[cue] I believe this was meant to express agr= eement with the consensus that while not perfect, adding TCP/DTLS/BFCP to t= he draft is the best of the alternatives explored.

=C2=A0

Cheers,

Charles

=C2=A0

The id-nits checker made me aware of RFC 8122 obsole= ting RFC 4572, I reckon the additions necessary from the=C2=A0draft-ietf-mm= usic-4572-update is covered in the new RFC 8122 or not?<= /p>

=C2=A0

draft-ietf-mmusic-4572-update is now published as RF= C 8122, so references to RFC 4572 should be updated to RFC 8122

=C2=A0

The rest sounds good.

=C2=A0

When you publish the updated version I will review a= nd provide comments. I will also sync comments which were made against the = ICE Considerations section of sctp-sdp with your draft.

=C2=A0

Regards,

_____________

Roman Shpount=C2=A0




--
# http://folk.u= io.no/tomkri/ | +47 9516 1107 (m)
### "=C3=85 leve er =C3=A5 ta stilling. Jeg hater likeg= yldige mennesker.", A. Gramsci
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Jones" , Christer Holmberg , Tom Kristensen , Mary Barnes Thread-Topic: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis required to enable ICE Thread-Index: AQHSk6JSUjB4HtjJ8UWHVVBUVasJT6G4+RwAgAA3TgD//545gICI4nCAgAAOSAA= Date: Sun, 2 Jul 2017 22:39:35 +0000 Message-ID: <7BCBF19B-9186-42D8-AC58-B3C1AB06CB2F@cisco.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.22.0.170515 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.24.97.27] Content-Type: multipart/alternative; boundary="_000_7BCBF19B918642D8AC58B3C1AB06CB2Fciscocom_" MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis required to enable ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: 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h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=GdqqEf6QbIB51HTxoT/+Tp1qkZd4qL8WUdT5b8AhZHk=; b=Ldcd+M41GkOTMQsiSvLn0DhJAZxsvgzyeQq+JrBa0ddrvzahRUvC+9TiO39FevbtRy brU/+Jt4myJzScQoM9WKI9ToWIMO75B6I7ihWJ8Uy50SiLJbdAXAnO0KH8htvtnC3I22 ejS+d0wv3LaHEnrNFALVxD+jmAZnxs0KBUGJGuATh0Wk+xHuUJWCMTaeb74CQUzGdpT1 fh+fnCNxeIvPeIasmM//n4BuK99ZOM6WemZivYzSAfZjTXvEp220EYPGUrgXl/K7oNkL NKVtaVxja4btnjqNczQmKGF6HhG81qQdWvBOfX0cgObwE8WejhviPzLh6GbsNYuY066B 2Bxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=GdqqEf6QbIB51HTxoT/+Tp1qkZd4qL8WUdT5b8AhZHk=; b=ninH0ntEPc1qL+4CGsGo0WYIny0Eq3OfCz9NnDjl9JdnLr/UAZAxuyOjj36XQUjBLq 78JJPqWCPjJcrDyRbZzkyw8ZZ84pLfZ6UUJOI/N4ct7eAfVQgslaYGJ2H/nlDFkbRwwD zgSDfR0BF1IUz2Frjy6lie1ssIjbL0Qcz3nKMwfNIEws1Iyu9DWAxyeoQQHZqN8pWLRT IPpRKJ10UaNG8UfmKIeYvWENZyhvWpWd45OaKEp+Si1hjvG3B/7gkb0UhixD/cIHh1fj tEmVEAM2GI85sH/bHtduvMlpwoRROPgkO/kSb16hu7e0E6dsKhFG5G+fhoAmNwQJh26j dmqA== X-Gm-Message-State: AKS2vOy0gNFFegU2HAb66k7lhU0SSFfAbJ+RTIe3b1BVwILEU0gEd/uT rxuvEfx4R1H3isSHxRJy7IDYGxA45yaWwk0= X-Received: by 10.176.75.157 with SMTP id v29mr17536810uaf.37.1499094461262; Mon, 03 Jul 2017 08:07:41 -0700 (PDT) MIME-Version: 1.0 Received: by 10.176.80.199 with HTTP; Mon, 3 Jul 2017 08:07:40 -0700 (PDT) In-Reply-To: <7BCBF19B-9186-42D8-AC58-B3C1AB06CB2F@cisco.com> References: <7BCBF19B-9186-42D8-AC58-B3C1AB06CB2F@cisco.com> From: Tom Kristensen <2mkristensen@gmail.com> Date: Mon, 3 Jul 2017 17:07:40 +0200 Message-ID: To: "Charles Eckel (eckelcu)" Cc: "Tom Kristensen (tomkrist)" , Roman Shpount , "bfcpbis@ietf.org" , Gonzalo Camarillo , "Paul E. Jones" , Christer Holmberg , Tom Kristensen , Mary Barnes Content-Type: multipart/alternative; boundary="f403043613d8d9323305536b2017" Archived-At: Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis required to enable ICE X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 15:07:47 -0000 --f403043613d8d9323305536b2017 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Will change as suggested, it is a couple of bits more readable and clear! Then -> submit. -- Tom On 3 July 2017 at 00:39, Charles Eckel (eckelcu) wrote: > Hi Tom, > > > > The changes look good to me. I am okay with this version being submitted > as is. That said, I did find this change in section 3 hard to digest. > > > > "TCP/DTLS/BFCP, which is realized by running BFCP for unreliable > transports on top of DTLS [12] as described in this specification, which = in > turn runs on top of TCP which is realized using the framing method define= d > in [13], with DTLS packets being sent and received instead of RTP/RTCP > packets using the shim defined in RFC4571 so that the length field define= d > in RFC4571 precedes each DTLS message.=E2=80=9D > > > > Perhaps this wording is clearer? > > > > =E2=80=9C"TCP/DTLS/BFCP is used when running BFCP on top of DTLS [12], as > described in this specification, which in turn runs on top of > TCP using the framing method defined in [13], with DTLS packets being sen= t > and received instead of RTP/RTCP packets using the shim defined in RFC457= 1 > such that the length field defined in RFC4571 precedes each DTLS message.= =E2=80=9D > > > > Cheers, > > Charles > > > > *From: *bfcpbis on behalf of Tom Kristensen < > 2mkristensen@gmail.com> > *Date: *Sunday, July 2, 2017 at 7:48 AM > *To: *Charles Eckel > *Cc: *Tom Kristensen , Roman Shpount < > rshpount@turbobridge.com>, "bfcpbis@ietf.org" , Gonzalo > Camarillo , Paul Jones < > paulej@packetizer.com>, Christer Holmberg , > Tom Kristensen , Mary Barnes < > mary.ietf.barnes@gmail.com> > > *Subject: *Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis > required to enable ICE > > > > A new draft version of the draft (!) is about to be committed. I do > believe all the issues in this thread are considered and handled. > > > > Please, verify if you have time. > > > > Diff to previous version: > > https://tools.ietf.org/rfcdiff?url1=3Ddraft-ietf-bfcpbis-rfc4583bis-16.tx= t& > url2=3Dhttp://ellevilla.it/tmp/draft-ietf-bfcpbis-rfc4583bis-17.txt > > > > This about to be the new version: > > http://ellevilla.it/tmp/draft-ietf-bfcpbis-rfc4583bis-17.txt > > > > -- Tom > > > > > > On 6 April 2017 at 21:26, Charles Eckel (eckelcu) > wrote: > > Please see inline with [cue]. > > > > *From: *Roman Shpount > *Date: *Thursday, April 6, 2017 at 11:16 AM > *To: *Tom Kristensen <2mkristensen@gmail.com> > *Cc: *Charles Eckel , Tom Kristensen < > tomkrist@cisco.com>, Tom Kristensen , "bfcpbis@ietf.or= g" > , Gonzalo Camarillo , > Paul Jones , Christer Holmberg < > christer.holmberg@ericsson.com>, Mary Barnes > *Subject: *Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis > required to enable ICE > > > > On Thu, Apr 6, 2017 at 10:58 AM, Tom Kristensen <2mkristensen@gmail.com> > wrote: > > On 2 March 2017 at 23:14, Roman Shpount wrote: > > 1. In Section 3, we need to define an additional proto field value: > TCP/DTLS/BFCP, which is realized by running BFCP on top of DTLS as descib= ed > in this specification and running DTLS on top of TCP is realized using th= e > framing method defined in RFC4571, with DTLS packets being sent and > received instead of RTP/RTCP packets using the shim defined in RFC4571 so > that length field defined in RFC4571 precedes each DTLS message. All > sections of the document should be updated to include the TCP/DTLS/BFCP > transport. > > > > This was questioned by Charles and I agree with the conclusion, backwards > and forward compliancy is good although confusing/differing "syntax". > > > > I am not sure if this means you want to change this somehow or that you > are going to update the draft with TCP/DTLS/BFCP. I agree that the syntax > is not ideal but it is in line with other documents such as dtls-sdp or > sctp-sdp. > > > > [cue] I believe this was meant to express agreement with the consensus > that while not perfect, adding TCP/DTLS/BFCP to the draft is the best of > the alternatives explored. > > > > Cheers, > > Charles > > > > The id-nits checker made me aware of RFC 8122 obsoleting RFC 4572, I > reckon the additions necessary from the draft-ietf-mmusic-4572-update is > covered in the new RFC 8122 or not? > > > > draft-ietf-mmusic-4572-update is now published as RFC 8122, so references > to RFC 4572 should be updated to RFC 8122 > > > > The rest sounds good. > > > > When you publish the updated version I will review and provide comments. = I > will also sync comments which were made against the ICE Considerations > section of sctp-sdp with your draft. > > > > Regards, > > _____________ > > Roman Shpount > > > > > > -- > > # http://folk.uio.no/tomkri/ | +47 9516 1107 (m) > > ## http://facebook.com/tomkri/ | xmpp:tomkri@jabber.no > > ### "=C3=85 leve er =C3=A5 ta stilling. Jeg hater likegyldige mennesker."= , A. Gramsci > --=20 # http://folk.uio.no/tomkri/ | +47 9516 1107 (m) ## http://facebook.com/tomkri/ | xmpp:tomkri@jabber.no ### "=C3=85 leve er =C3=A5 ta stilling. Jeg hater likegyldige mennesker.", = A. Gramsci --f403043613d8d9323305536b2017 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Will change as suggested, it is a couple of bits more read= able and clear!
Then -> submit.

-- Tom
<= /div>

On 3 J= uly 2017 at 00:39, Charles Eckel (eckelcu) <eckelcu@cisco.com> wrote:

Hi Tom,

=C2=A0

The changes look good to me. I am okay with this ver= sion being submitted as is. That said, I did find this change in section 3 = hard to digest.

=C2=A0

"TCP/DTLS/BFCP, which is realized by running BF= CP for unreliable transports on top of DTLS [12] as described in this speci= fication, which in turn runs on top of TCP which is realized using the fram= ing method defined in [13], with DTLS packets being sent and received instead of RTP/RTCP packets using the shim defined= in RFC4571 so that the length field defined in RFC4571 precedes each DTLS = message.=E2=80=9D

=C2=A0

Perhaps this wording is clearer?

=C2=A0

=E2=80=9C"TCP/DTLS/BFCP is used when running BF= CP on top of DTLS [12], as described in this specification,=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 which in turn runs on t= op of TCP using the framing method defined in [13], with DTLS packets being= sent and received instead of RTP/RTCP packets using the shim defined in RFC4571 such that the length fi= eld defined in RFC4571 precedes each DTLS message.=E2=80=9D

=C2=A0

Cheers,

Charles

=C2=A0

From: bfcpbis <bfcpbis-bounces@ietf.org> on behalf of Tom Kristensen <2mkristensen@gmail.= com>
Date: Sunday, July 2, 2017 at 7:48 AM
To: Charles Eckel <eckelcu@cisco.com>
Cc: Tom Kristensen <tomkrist@cisco.com>, Roman Shpount <rshpount@turbobridge.com&g= t;, "bfcpbis@iet= f.org" <b= fcpbis@ietf.org>, Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com= >, Paul Jones <paulej@packetizer.com>, Christer Holmberg <christer.holmberg@er= icsson.com>, Tom Kristensen <= tomkri@ifi.uio.no>, Mary Barnes <mary.ietf.barnes@gmail.com>


Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis requ= ired to enable ICE

=C2=A0

A new draft version of the draft (!) is about to be = committed. I do believe all the issues in this thread are considered and ha= ndled.=C2=A0

=C2=A0

Please, verify if you have time.

=C2=A0

Diff to previous version:

=C2=A0

This about to be the new version:

=C2=A0

-- Tom

=C2=A0

=C2=A0

On 6 April 2017 at 21:26, Charles Eckel (eckelcu) &l= t;eckelcu@cisco.com<= /a>> wrote:

Please see inline with [cue].

=C2=A0

From: Roman Shpount <rshpount@turbobridge.com>
Date: Thursday, April 6, 2017 at 11:16 AM
To: Tom Kristensen <2mkristensen@gmail.com>
Cc: Charles Eckel <eckelcu@cisco.com>, Tom Kristensen <tomkrist@cisco.com>, Tom Kristen= sen <tomkri@ifi.u= io.no>, "bfcpbis@ietf.o= rg" <bfcp= bis@ietf.org>, Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>, Paul Jones <= paulej@packetizer.com>, Christer Holmberg <christer.holmberg@ericsson.com>, Mary Barnes <mary.ietf.barnes@gmail.com>
Subject: Re: [bfcpbis] Updates to draft-ietf-bfcpbis-rfc4583bis requ= ired to enable ICE

=C2=A0

On Thu, Apr 6, 2017 at 10:58 AM, Tom Kristensen <= 2mkristensen@gm= ail.com> wrote:

On 2 March 2017 at 23:14, Roman Shpount <rshpount@turbobridge.com>= wrote:

1. In Section 3, we need to define an additional pro= to field value: TCP/DTLS/BFCP, which is realized by running BFCP on top of= =C2=A0DTLS as descibed in this specification and running DTLS on top of TCP is realized using the framing method defined in RFC4571= , with DTLS packets being sent and received=C2=A0instead of RTP/RTCP packet= s using the shim defined in RFC4571=C2=A0so that length field defined in RF= C4571 precedes each DTLS message. All sections of the document should be updated to include the TCP/DTLS/BFCP transport.<= u>

=C2=A0

This was questioned by Charles and I agree with the = conclusion, backwards and forward compliancy is good although confusing/dif= fering "syntax".=C2=A0

=C2=A0

I am not sure if this means you want to change this = somehow or that you are going to update the draft with TCP/DTLS/BFCP. I agr= ee that the syntax is not ideal but it is in line with other documents such as dtls-sdp=C2=A0or sctp-sdp.

=C2=A0

[cue] I believe this was meant to express agreement = with the consensus that while not perfect, adding TCP/DTLS/BFCP to the draf= t is the best of the alternatives explored.

=C2=A0

Cheers,

Charles

=C2=A0

The id-nits checker made me aware of RFC 8122 obsole= ting RFC 4572, I reckon the additions necessary from the=C2=A0draft-ietf-mm= usic-4572-update is covered in the new RFC 8122 or not?<= /p>

=C2=A0

draft-ietf-mmusic-4572-update is now published as RF= C 8122, so references to RFC 4572 should be updated to RFC 8122

=C2=A0

The rest sounds good.

=C2=A0

When you publish the updated version I will review a= nd provide comments. I will also sync comments which were made against the = ICE Considerations section of sctp-sdp with your draft.

=C2=A0

Regards,

_____________

Roman Shpount=C2=A0



=C2=A0

--

# http://folk.uio.no/tomkri/ | +47 9516 1107 (m)

### "=C3=85 leve er =C3=A5 ta stilling. Jeg hat= er likegyldige mennesker.", A. Gramsci




--
# http://folk.u= io.no/tomkri/ | +47 9516 1107 (m)
### "=C3=85 leve er =C3=A5 ta stilling. Jeg hater likeg= yldige mennesker.", A. Gramsci
--f403043613d8d9323305536b2017-- From nobody Mon Jul 3 08:19:27 2017 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 9A45C131675; Mon, 3 Jul 2017 08:19:25 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: bfcpbis@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149909516558.22726.5638676254544073948@ietfa.amsl.com> Date: Mon, 03 Jul 2017 08:19:25 -0700 Archived-At: Subject: [bfcpbis] I-D Action: draft-ietf-bfcpbis-rfc4583bis-17.txt X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 15:19:26 -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 : Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams Authors : Gonzalo Camarillo Tom Kristensen Paul E. Jones Filename : draft-ietf-bfcpbis-rfc4583bis-17.txt Pages : 23 Date : 2017-07-03 Abstract: This document specifies how to describe Binary Floor Control Protocol (BFCP) streams in Session Description Protocol (SDP) descriptions. User agents using the offer/answer model to establish BFCP streams use this format in their offers and answers. This document obsoletes RFC 4583. Changes from RFC 4583 are summarized in Section 14. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-bfcpbis-rfc4583bis/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-bfcpbis-rfc4583bis-17 https://datatracker.ietf.org/doc/html/draft-ietf-bfcpbis-rfc4583bis-17 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-bfcpbis-rfc4583bis-17 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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Mon, 17 Jul 2017 11:23:10 GMT Received: from xch-aln-018.cisco.com (173.36.7.28) by XCH-ALN-020.cisco.com (173.36.7.30) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 17 Jul 2017 06:23:10 -0500 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; Mon, 17 Jul 2017 06:23:09 -0500 From: "Charles Eckel (eckelcu)" To: "bfcpbis@ietf.org" Thread-Topic: WGLC comments on draft-ietf-bfcpbis-rfc4583bis-17 Thread-Index: AQHS/u8RWy/WH/x8I0ykG34nrHqszw== Date: Mon, 17 Jul 2017 11:23:09 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.22.0.170515 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.61.101.212] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: [bfcpbis] WGLC comments on draft-ietf-bfcpbis-rfc4583bis-17 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jul 2017 11:23:13 -0000 KGFzIGFuIGluZGl2aWR1YWwpDQoNCkkgaGF2ZSByZXZpZXdlZCB0aGUgZHJhZnQuIEkgZG8gbm90 IGhhdmUgYW55IHRlY2huaWNhbCBvciBtYWpvciBpc3N1ZXMgd2l0aCBpdC4NCkkgZG8gaGF2ZSBz b21lIGVkaXRvcmlhbCBjb21tZW50cyBhbmQgc3VnZ2VzdGlvbnMuDQoNCkdsb2JhbGx5DQpVc2Ug cmVlc3RhYmxpc2ggb3IgcmUtZXN0YWJsaXNoIGJ1dCBub3QgYm90aC4NCg0KUGcgMS4gDQpzLyBD aGFuZ2VzIGZyb20gUkZDIDQ1ODMgYXJlIHN1bW1hcml6ZWQgaW4gU2VjdGlvbiAxNC8gQ2hhbmdl cyBmcm9tIFJGQyA0NTgzIGFyZSBzdW1tYXJpemVkIGluIFNlY3Rpb24gMTUNCg0KUGcgNC4NCnMv IGJvdGggdGhlIG9mZmVyZXIgYW5kIHRoZSBhbnN3ZXJlciBhY3QvIGJvdGggZW5kcG9pbnRzIGFj dA0KDQpQZyA2Lg0Kcy8gV2hlbiB0aGlzIGF0dHJpYnV0ZSBhcHBlYXJzIGluIGFuIGFuc3dlciwg aXQgb25seSBjYXJyaWVzIG9uZSByb2xlLyBXaGVuIGEg4oCcZmxvb3JjdHJs4oCdIGF0dHJpYnV0 ZSBhcHBlYXJzIGluIGFuIGFuc3dlciwgaXQgTVVTVCBpbmNsdWRlIG9uZSBhbmQgb25seSByb2xl DQoNClBnIDkuDQpzLyB0aGUgYW5zd2VyZXIgd2hpY2ggbWF5IGJlIHRoZSBjbGllbnQgb3IgdGhl IGZsb29yY29udHJvbCBzZXJ2ZXIgYWN0cy8gdGhlIGFuc3dlcmVyLCB3aGljaCBtYXkgYmUgdGhl IGNsaWVudCBvciB0aGUgZmxvb3Jjb250cm9sIHNlcnZlciwgYWN0cw0KDQpQZyAxMC4NCnMvIHNh bWUgQkZDUCBzZXNzaW9uIGFuZCBEVExTIGFzc29jaWF0aW9ucy8gc2FtZSBCRkNQIHNlc3Npb24g YW5kIERUTFMgYXNzb2NpYXRpb24NCg0KUGcgMTEuDQpzLyB0aGUgU0RQICdmaW5nZXJwcmludCcg YXR0cmlidXRlIFs3XSwgaWYgdGhlIGVuZHBvaW50IHN1cHBvcnRzLCBhbmQgaXMgd2lsbGluZyB0 byB1c2UsIGEgY2lwaGVyIHN1aXRlIHdpdGggYW4gYXNzb2NpYXRlZCBjZXJ0aWZpY2F0ZS4vIHRo ZSBTRFAgJ2ZpbmdlcnByaW50JyBhdHRyaWJ1dGUgWzEwXS4NCg0KUGcgMTQuDQpzLyBJZiB0aGUg QkZDUCBjb25uZWN0aW9uIGlzIGNhcnJpZWQgb24gdG9wIG9mIFRDUCwgYW5kIHVubGVzcyB0aGUg b2ZmZXJlciB3YW50cyB0byByZS1lc3RhYmxpc2ggYW4gZXhpc3RpbmcgVENQIGNvbm5lY3Rpb24s IHRoZSBvZmZlcmVyIE1VU1QgYXNzb2NpYXRlIGFuIFNEUCBjb25uZWN0aW9uIGF0dHJpYnV0ZSwg d2l0aCBhbiAnZXhpc3RpbmcnIHZhbHVlLCB3aXRoIHRoZSAnbScgbGluZS8gSWYgdGhlIEJGQ1Ag Y29ubmVjdGlvbiBpcyBjYXJyaWVkIG9uIHRvcCBvZiBUQ1AgYW5kIHRoZSBvZmZlcmVyIGRvZXMg bm90IHdhbnQgdG8gcmUtZXN0YWJsaXNoIGFuIGV4aXN0aW5nIFRDUCBjb25uZWN0aW9uLCB0aGUg b2ZmZXJlciBNVVNUIGFzc29jaWF0ZSBhbiBTRFAgY29ubmVjdGlvbiBhdHRyaWJ1dGUgd2l0aCBh biAnZXhpc3RpbmcnIHZhbHVlIHdpdGggdGhlICdtJyBsaW5lDQoNCkNoZWVycywNCkNoYXJsZXMN Cg0KDQoNCg== From nobody Tue Jul 18 06:57:30 2017 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 E6C5512785F for ; 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a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=2292; q=dns/txt; s=iport; t=1500386247; x=1501595847; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=qNOb0OMHuINZGA9mZziU+lWOhzIJkbRurFaMh21LthI=; b=MhSgmDBbYO5bptF04WhgXz00c+Bxsh/jCfuVtYnqyG72YxnVkUQUDMww uXHUDNS2G6lwSs5cIeHe4B1vKkDvY6ZU17KgX4ir8bH4QytAeshee4Pk4 nhvdEmqIjvas7XRN0qC9V0WFVBor+W6txORQjzdb/KcKP5GCM5V60Ueza 4=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0DVAAB5E25Z/5BdJa1cGgEBAQECAQEBA?= =?us-ascii?q?QgBAQEBg1pkgRQHhjeHTZV1AQORcIIRIQuETE8Cg1E/GAECAQEBAQEBAWsohRk?= =?us-ascii?q?CAQMBAWUHCxACASklDxgLJQIEAQ0Fii8QsHSLDAEBAQEBAQEBAQEBAQEBAQEBA?= =?us-ascii?q?QEBARgFgyiDTYFhh3iGCgWfNAKUFJIvlVYBHziBCnUVSYcWdodLgQ0BAQE?= X-IronPort-AV: E=Sophos;i="5.40,378,1496102400"; d="scan'208";a="275081888" Received: from rcdn-core-8.cisco.com ([173.37.93.144]) by rcdn-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jul 2017 13:57:20 +0000 Received: from XCH-RTP-019.cisco.com (xch-rtp-019.cisco.com [64.101.220.159]) by rcdn-core-8.cisco.com (8.14.5/8.14.5) with ESMTP id v6IDvKXn013437 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Tue, 18 Jul 2017 13:57:20 GMT Received: from xch-rtp-015.cisco.com (64.101.220.155) by XCH-RTP-019.cisco.com (64.101.220.159) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Tue, 18 Jul 2017 09:57:19 -0400 Received: from xch-rtp-015.cisco.com ([64.101.220.155]) by XCH-RTP-015.cisco.com ([64.101.220.155]) with mapi id 15.00.1210.000; Tue, 18 Jul 2017 09:57:19 -0400 From: "Tom Kristensen (tomkrist)" To: "Charles Eckel (eckelcu)" , "bfcpbis@ietf.org" CC: Tom Kristensen <2mkristensen@gmail.com> Thread-Topic: WGLC comments on draft-ietf-bfcpbis-rfc4583bis-17 Thread-Index: AQHS/u8RWy/WH/x8I0ykG34nrHqsz6JZnTwm Date: Tue, 18 Jul 2017 13:57:19 +0000 Message-ID: <1500386249900.83625@cisco.com> References: In-Reply-To: Accept-Language: nb-NO, en-US Content-Language: nb-NO X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.61.244.90] Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] WGLC comments on draft-ietf-bfcpbis-rfc4583bis-17 X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 13:57:29 -0000 Yes, I agree with all of the editorial fixes, language clarifications and a= lso the MUST added on page 6.=0A= =0A= Is incorporated if no objections or other input are received here.=0A= =0A= -- Tom=0A= ________________________________________=0A= Fra: bfcpbis p=E5 vegne av Charles Eckel (eckelc= u)=0A= Sendt: 17. juli 2017 13:23=0A= Til: bfcpbis@ietf.org=0A= Emne: [bfcpbis] WGLC comments on draft-ietf-bfcpbis-rfc4583bis-17=0A= =0A= (as an individual)=0A= =0A= I have reviewed the draft. I do not have any technical or major issues with= it.=0A= I do have some editorial comments and suggestions.=0A= =0A= Globally=0A= Use reestablish or re-establish but not both.=0A= =0A= Pg 1.=0A= s/ Changes from RFC 4583 are summarized in Section 14/ Changes from RFC 458= 3 are summarized in Section 15=0A= =0A= Pg 4.=0A= s/ both the offerer and the answerer act/ both endpoints act=0A= =0A= Pg 6.=0A= s/ When this attribute appears in an answer, it only carries one role/ When= a =93floorctrl=94 attribute appears in an answer, it MUST include one and = only role=0A= =0A= Pg 9.=0A= s/ the answerer which may be the client or the floorcontrol server acts/ th= e answerer, which may be the client or the floorcontrol server, acts=0A= =0A= Pg 10.=0A= s/ same BFCP session and DTLS associations/ same BFCP session and DTLS asso= ciation=0A= =0A= Pg 11.=0A= s/ the SDP 'fingerprint' attribute [7], if the endpoint supports, and is wi= lling to use, a cipher suite with an associated certificate./ the SDP 'fing= erprint' attribute [10].=0A= =0A= Pg 14.=0A= s/ If the BFCP connection is carried on top of TCP, and unless the offerer = wants to re-establish an existing TCP connection, the offerer MUST associat= e an SDP connection attribute, with an 'existing' value, with the 'm' line/= If the BFCP connection is carried on top of TCP and the offerer does not w= ant to re-establish an existing TCP connection, the offerer MUST associate = an SDP connection attribute with an 'existing' value with the 'm' line=0A= =0A= Cheers,=0A= Charles=0A= =0A= =0A= =0A= _______________________________________________=0A= bfcpbis mailing list=0A= bfcpbis@ietf.org=0A= https://www.ietf.org/mailman/listinfo/bfcpbis=0A= From nobody Tue Jul 18 16:37:34 2017 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 7B08D1317A1 for ; Tue, 18 Jul 2017 16:37:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2 X-Spam-Level: X-Spam-Status: No, score=-2 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_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=turbobridge.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 SJXqFzIjhd52 for ; Tue, 18 Jul 2017 16:37:30 -0700 (PDT) Received: from mail-pg0-x22a.google.com (mail-pg0-x22a.google.com [IPv6:2607:f8b0:400e:c05::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5F921129432 for ; Tue, 18 Jul 2017 16:37:30 -0700 (PDT) Received: by mail-pg0-x22a.google.com with SMTP id 123so20711805pgj.1 for ; Tue, 18 Jul 2017 16:37:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=turbobridge.com; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=ONAW+L4QnYI9ehFmopcxKxiKRki+CIRI+iw6ArWnwos=; b=OkcurMIGjOpiPfrR+4asYQd0NdgAjzKIxyQ3qnOMviior6U14itFfEtOFzlcMY4/VU nEdGeFsU+FVLSgOgwZmGnT6GzXSF93Gi8JGSvNuwJ301LF0lOy2wQIrQ90SDhFWLTyaz OWpZnKt6OMr6VnphlvAEMQW1/9Tlpf9GomiNI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ONAW+L4QnYI9ehFmopcxKxiKRki+CIRI+iw6ArWnwos=; b=hpblk/7rRoYg+ntDErqhLY4ldjTpE6R7WEwi1AAijU+MdRfqeaVC8V20dzOtEItupK fBVD5nOq6Gp0qBnKIy3uzjQoSYKcNxCIf40GACISOEUhqVhMgVKZ+4P1ewoFlgCG6mO5 TLmuOFXhqDqxh4HBUf+MxqbIpwKR+Fs6zasCKXixmozEVDU8G8gBNk27ivrbp5eM0R8H PbOapsV/S2qgtKOsEjSIJ41OcuuYebYA3T343fQZY2a9BXj5QQGJNbmq5Q+KzJMadoOc LnnMdUSgGWheazdxvvmiJ+3isfgxUPR9J5GMLxfWaEKjtSW8nbcRA7s1IKEpCqpblMI8 4qHw== X-Gm-Message-State: AIVw1100XErNGMSVSO5WDnebwv8OhBu5/G8HrS3ReSN8h+r42AZq4zba cuXDVVpb1yV5kMXJDz8= X-Received: by 10.84.215.130 with SMTP id l2mr111468pli.116.1500421049673; Tue, 18 Jul 2017 16:37:29 -0700 (PDT) Received: from mail-pf0-f172.google.com (mail-pf0-f172.google.com. [209.85.192.172]) by smtp.gmail.com with ESMTPSA id p11sm8443754pfk.128.2017.07.18.16.37.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jul 2017 16:37:28 -0700 (PDT) Received: by mail-pf0-f172.google.com with SMTP id s70so9307973pfs.0 for ; Tue, 18 Jul 2017 16:37:28 -0700 (PDT) X-Received: by 10.84.232.8 with SMTP id h8mr80795plk.252.1500421048584; Tue, 18 Jul 2017 16:37:28 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.146.23 with HTTP; Tue, 18 Jul 2017 16:37:27 -0700 (PDT) In-Reply-To: <33AC90F8-1963-4F79-ACB2-0DB2873D5E34@cisco.com> References: <33AC90F8-1963-4F79-ACB2-0DB2873D5E34@cisco.com> From: Roman Shpount Date: Tue, 18 Jul 2017 19:37:27 -0400 X-Gmail-Original-Message-ID: Message-ID: To: "Charles Eckel (eckelcu)" Cc: "bfcpbis@ietf.org" , Christer Holmberg , Alan Ford , "Tom Kristensen (tomkrist)" , Gonzalo Camarillo Content-Type: multipart/alternative; boundary="94eb2c19f8689d52a605549fff16" Archived-At: Subject: Re: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 23:37:32 -0000 --94eb2c19f8689d52a605549fff16 Content-Type: text/plain; charset="UTF-8" Hi All, I have reviewed the document and have the following comments: Section 8 BFCP Connection Management: It specifies that BFCP can use TCP or UDP as underlying transport. It does not specify what happens when ICE, TCP/DTLS/BFCP, TCP/TLS/BFCP, or UDP/TLS/BFCP are used. I suggest to explicitly specify that ICE, TCP/DTLS/BFCP, and UDP/TLS/BFCP follow the same procedures for connection management as UDP/BFCP. TCP/TLS/BFCP follows the same procedures as TCP/BFCP Section 9 Authentication: Not sure why we are talking about SIP here. I think we should restate When SDP is used to perform an offer/answer exchange, the initial mutual authentication takes place at the SIP level. Additionally, SIP uses S/MIME [6] to provide an integrity-protected channel with optional confidentiality for the offer/answer exchange. as When SDP is used to perform an offer/answer exchange, the initial mutual authentication SHOULD take place at the signaling level. Additionally, signaling can use S/MIME [6] to provide an integrity-protected channel with optional confidentiality for the offer/answer exchange. This section specifies that "This implies that unless a 'fingerprint' attribute is included in the session description, the certificate provided at the TLS-/DTLS-level MUST either be directly signed by one of the other party's trust anchors or be validated using a certification path that terminates at one of the other party's trust anchors [5]". I thought "fingerprint" attribute are required and certificate signature by trust anchor is irrelevant. Not sure what "When using UDP, the procedure above was preferred since it adheres to [16] as used for DTLS-SRTP" means, especially since [16} is not specific to SRTP-DTLS, but specifies generic rules for all DTLS based protocols. The whole logic is circular since it proposes to follow procedures from [16] since they are compliant with procedures from [16]. Section 10. ICE Considerations Please synchronize text with text in https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26#section-12.2 . This section was updated during WGLC for draft-ietf-mmusic-sctp-sdp, so it would make sense to synchronize those changes here. Let me know if you need help with this. Regards, _____________ Roman Shpount On Mon, Jul 17, 2017 at 4:10 AM, Charles Eckel (eckelcu) wrote: > (As WG co-chair) > > This is a reminder that WGLC ends tomorrow. I realize the time to review > overlaps with IETF prep and meeting times. If you require more time to > review the draft, please let me know. Otherwise, please share your review > comments by the end of tomorrow. > > Thanks, > Charles > > -----Original Message----- > From: bfcpbis on behalf of Charles Eckel < > eckelcu@cisco.com> > Date: Wednesday, July 5, 2017 at 5:59 PM > To: "bfcpbis@ietf.org" > Subject: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis > > (As WG co-chair) > > This is to announce an additional working group last call for > draft-ietf-bfcpbis-rfc4583bis, "Session Description Protocol (SDP) Format > for Binary Floor Control Protocol (BFCP) Streams". > http://datatracker.ietf.org/doc/draft-ietf-bfcpbis-rfc4583bis/ > > This is intended as a Standards Track RFC, obsoleting RFC 4583. > Please respond to the list by July 18th (i.e. 2 weeks) with any > comments. > > We had a working group last call previous, but a significant amount of > time and some substantial changes and additions have occurred to justify > another review of the draft in its entirely. It is helpful to attempt to > categorize your comment (e.g. technical issue vs. editorial), and also to > provide any replacement text you feel is necessary. > If you review the document and have no comments, please tell the > chairs that you have reviewed it. This is always useful information in > assessing the degree of WG review and consensus behind the document. > Note, we have not scheduled a working group session for IETF 99 in > Prague. This WGLC will close during IETF 99. If helpful, we can arrange a > side meeting to discuss any significant issues, or with any luck, gather at > a bar to celebrate the draft being ready to advance to the next step toward > RFC. > > Cheers, > Charles > > > _______________________________________________ > bfcpbis mailing list > bfcpbis@ietf.org > https://www.ietf.org/mailman/listinfo/bfcpbis > > > --94eb2c19f8689d52a605549fff16 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi All,

I have reviewed the docum= ent and have the following comments:

Section 8 BFCP Conn= ection Management:

It specifies that BFCP can use = TCP or UDP as underlying transport. It does not specify what happens when I= CE, TCP/DTLS/BFCP, TCP/TLS/BFCP, or UDP/TLS/BFCP=C2=A0are used. I suggest t= o explicitly specify that ICE, TCP/DTLS/BFCP, and UDP/TLS/BFCP follow the s= ame procedures for connection management as UDP/BFCP. TCP/TLS/BFCP follows = the same procedures as TCP/BFCP

Section 9 Authenti= cation:

Not sure why we are talking about SIP here= . I think we should restate

When SDP is used to perform= an offer/answer exchange, the initial mutual authentication takes place at= the SIP level. Additionally, SIP uses S/MIME [6] to provide an integrity-p= rotected channel with optional confidentiality for the offer/answer exchang= e.

as

When SDP is used to perform= an offer/answer exchange, the initial mutual authentication SHOULD take pl= ace at the signaling level. Additionally, signaling can use S/MIME [6] to p= rovide an integrity-protected channel with optional confidentiality for the= offer/answer exchange.

This section specifies= that "This implies that=C2=A0unless a 'fingerprint' attribute= is included in the session=C2=A0description, the certificate provided at t= he TLS-/DTLS-level MUST=C2=A0either be directly signed by one of the other = party's trust anchors or be validated using a certification path that t= erminates at one of=C2=A0the other party's trust anchors [5]". I t= hought "fingerprint" attribute are required and certificate signa= ture by trust anchor is irrelevant.

Not sure what "When u= sing UDP, the procedure above was preferred since it adheres to [16] as use= d for DTLS-SRTP" means, especially since [16} is not specific to SRTP-= DTLS, but specifies generic rules for all DTLS based protocols. The whole l= ogic is circular since it proposes to follow procedures from [16] since the= y are compliant with procedures from [16].=C2=A0

Section 10. ICE Considerations

Please synchroni= ze text with text in https://tools.ietf.org/html/draft-ietf-mmusic-= sctp-sdp-26#section-12.2=C2=A0. This section was updated during WGLC fo= r draft-ietf-mmusic-sctp-sdp, so it would make sense to synchronize those c= hanges here. Let me know if you need help with this.

Regards,

_____________
Roman Shpount

On Mon, Jul 17, 2017 at 4:10 AM, Charles Eck= el (eckelcu) <eckelcu@cisco.com> wrote:
(As WG co-chair)

This is a reminder that WGLC ends tomorrow. I realize the time to review ov= erlaps with IETF prep and meeting times. If you require more time to review= the draft, please let me know. Otherwise, please share your review comment= s by the end of tomorrow.

Thanks,
Charles

-----Original Message-----
From: bfcpbis <bfcpbis-bounc= es@ietf.org> on behalf of Charles Eckel <eckelcu@cisco.com>
Date: Wednesday, July 5, 2017 at 5:59 PM
To: "bfcpbis@ietf.org" &l= t;bfcpbis@ietf.org>
Subject: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis

=C2=A0 =C2=A0 (As WG co-chair)

=C2=A0 =C2=A0 This is to announce an additional working group last call for= draft-ietf-bfcpbis-rfc4583bis, "Session Description Protocol (SDP) Fo= rmat for Binary Floor Control Protocol (BFCP) Streams".
=C2=A0 =C2=A0 http://datatracker.ietf.= org/doc/draft-ietf-bfcpbis-rfc4583bis/

=C2=A0 =C2=A0 This is intended as a Standards Track RFC, obsoleting RFC 458= 3.
=C2=A0 =C2=A0 Please respond to the list by July 18th (i.e. 2 weeks) with a= ny comments.

=C2=A0 =C2=A0 We had a working group last call previous, but a significant = amount of time and some substantial changes and additions have occurred to = justify another review of the draft in its entirely. It is helpful to attem= pt to categorize your comment (e.g. technical issue vs. editorial), and als= o to provide any replacement text you feel is necessary.
=C2=A0 =C2=A0 If you review the document and have no comments, please tell = the chairs that you have reviewed it. This is always useful information in = assessing the degree of WG review and consensus behind the document.
=C2=A0 =C2=A0 Note, we have not scheduled a working group session for IETF = 99 in Prague. This WGLC will close during IETF 99. If helpful, we can arran= ge a side meeting to discuss any significant issues, or with any luck, gath= er at a bar to celebrate the draft being ready to advance to the next step = toward RFC.

=C2=A0 =C2=A0 Cheers,
=C2=A0 =C2=A0 Charles


=C2=A0 =C2=A0 _______________________________________________
=C2=A0 =C2=A0 bfcpbis mailing list
=C2=A0 =C2=A0 bfcpbis@ietf.org
=C2=A0 =C2=A0 https://www.ietf.org/mailman/listinf= o/bfcpbis



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2017 05:22:45 -0500 From: "Charles Eckel (eckelcu)" To: "bfcpbis@ietf.org" CC: "Tom Kristensen (tomkrist)" , Roman Shpount , Alan Ford , "Gonzalo Camarillo" , Christer Holmberg , "alan@pexip.com" Thread-Topic: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis Thread-Index: AQHS/tQqacZkSf+3+0+Qd13paCNRh6JbaakA Date: Wed, 19 Jul 2017 10:22:44 +0000 Message-ID: References: <33AC90F8-1963-4F79-ACB2-0DB2873D5E34@cisco.com> In-Reply-To: <33AC90F8-1963-4F79-ACB2-0DB2873D5E34@cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.22.0.170515 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.61.217.164] Content-Type: text/plain; charset="utf-8" Content-ID: <2ED460147A0B824CB47E0D15C34D1798@emea.cisco.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis X-BeenThere: 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ICAgICANCiAgICAgICAgX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18NCiAgICAgICAgYmZjcGJpcyBtYWlsaW5nIGxpc3QNCiAgICAgICAgYmZjcGJpc0BpZXRm Lm9yZw0KICAgICAgICBodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2JmY3Bi aXMNCiAgICAgICAgDQogICAgDQogICAgX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18NCiAgICBiZmNwYmlzIG1haWxpbmcgbGlzdA0KICAgIGJmY3BiaXNAaWV0 Zi5vcmcNCiAgICBodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2JmY3BiaXMN CiAgICANCg0K From nobody Fri Jul 21 09:12:25 2017 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 C5FBC12EAA5 for ; Fri, 21 Jul 2017 09:12:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.22 X-Spam-Level: X-Spam-Status: No, score=-4.22 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 SBIkInXm4GHH for ; Fri, 21 Jul 2017 09:12:21 -0700 (PDT) Received: from sesbmg23.ericsson.net (sesbmg23.ericsson.net [193.180.251.37]) (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 6344D126C0F for ; Fri, 21 Jul 2017 09:12:21 -0700 (PDT) X-AuditID: c1b4fb25-607ff70000001eeb-41-597227e2839e Received: from ESESSHC019.ericsson.se (Unknown_Domain [153.88.183.75]) by sesbmg23.ericsson.net (Symantec Mail Security) with SMTP id 08.13.07915.2E722795; Fri, 21 Jul 2017 18:12:19 +0200 (CEST) Received: from ESESSMB109.ericsson.se ([169.254.9.91]) by ESESSHC019.ericsson.se ([153.88.183.75]) with mapi id 14.03.0352.000; Fri, 21 Jul 2017 18:12:18 +0200 From: Christer Holmberg To: "Charles Eckel (eckelcu)" , "bfcpbis@ietf.org" CC: "Tom Kristensen (tomkrist)" , Roman Shpount , Alan Ford , "Gonzalo Camarillo" , "alan@pexip.com" Thread-Topic: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis - Christer's review Thread-Index: AdMCPCFSYamXLa2wSSi7CPCvHfiETw== Date: Fri, 21 Jul 2017 16:12:18 +0000 Message-ID: <7594FB04B1934943A5C02806D1A2204B4CC93DD7@ESESSMB109.ericsson.se> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [153.88.183.148] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpmkeLIzCtJLcpLzFFi42KZGbHdW/exelGkwbZHnBYrz61gtti6ooPN 4t+6o0wWm2Z9YbO4/nQXi8WVI7/YHNg8pvzeyOqxc9Zddo8lS34yeRzdv4DRY+vfv2wBrFFc NimpOZllqUX6dglcGe3rtrAVTHOq2H17LksD4x6HLkZODgkBE4lPGzcygdhCAkcYJWYeyehi 5AKyFzNK7JzWzdLFyMHBJmAh0f1PG8QUEYiS2LhNCKSEWeAeo8Sq+TNYQXqFBYIlpi/Zwgxi iwiESCzZ3s0EYetJfP/wkg3EZhFQlTj94BrYSF4BX4muVxwgYUYBMYnvp9aAlTMLiEvcejKf 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smtp.gmail.com with ESMTPSA id j28sm11406238wrb.9.2017.07.23.01.01.20 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 23 Jul 2017 01:01:21 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_A6D3C387-F7EC-4AE0-8B57-0470FA95387A" Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Alan Ford In-Reply-To: Date: Sun, 23 Jul 2017 09:01:19 +0100 Cc: "bfcpbis@ietf.org" , "Tom Kristensen (tomkrist)" , Roman Shpount , Gonzalo Camarillo , Christer Holmberg Message-Id: References: <33AC90F8-1963-4F79-ACB2-0DB2873D5E34@cisco.com> To: "Charles Eckel (eckelcu)" X-Mailer: Apple Mail (2.3124) Archived-At: Subject: Re: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis X-BeenThere: bfcpbis@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: BFCPBIS working group discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Jul 2017 08:01:27 -0000 --Apple-Mail=_A6D3C387-F7EC-4AE0-8B57-0470FA95387A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi Charles, all, S3 - TCP transport indent is hard to parse. Suggest changing sentence to = "Depending on the value of the 'setup' attribute (discussed in Section = 8.1), the port field contains either the port to which the remote = endpoint will direct BFCP messages, or in the case where the endpoint = will initiate the connection towards the remote endpoint, should be set = to a value of 9." S4.1 - "The offerer includes this attribute to state all the roles it would = be willing to perform=E2=80=9D: add =E2=80=9Conce negotiation is = complete=E2=80=9D, for clarity. - Here, plus S11.1 and S11.2, floorctrl is optional with inferred state = of c-only for an offerer if it is not specified. I would advocate taking = this opportunity to get rid of ambiguity and making the presence of = floorctrl a MUST. Everyone does it already, but it=E2=80=99s one of the = most problematic fields for interop as it is. - Also, given in an answer only one role is present, but in an offer = multiple can be present, can this be clearer in the ABNF? Is it possible = to specify two ABNFs, one for the offer and one for the answer (the = answer being without the *)? If that=E2=80=99s not possible, then could = we at least emphasise this point near the start of the section (again = coming at this from too many interop issues in this area). S6 - =E2=80=9C=E2=80=A6identified by an SDP label attribute=E2=80=9D. For = consistency, please put =E2=80=98label=E2=80=99 in single quotes. - Why is mstrm: optional in the ABNF, and optional in the paragraph = beginning =E2=80=9CThe floorid attribute=E2=80=A6=E2=80=9D, yet is = mandatory in the =E2=80=9CEndpoints that use the offer/answer=E2=80=A6=E2=80= =9D section? If there is a genuine reason for it to be optional please = specify this, however I think it would be easier just to make it = mandatory. S11 Is is required to have a BUNDLE table like this now? (I presume given = draft-ietf-mmusic-sdp-mux-attributes-16 is in MISSREF it=E2=80=99s too = late to make the updates there). As Christer mentioned, It think this = would be better in S7. OR, a separate subsection under S11 for =E2=80=9CBU= NDLE Considerations=E2=80=9D that makes it clearer that this is an = update to draft-ietf-mmusic-sdp-mux-attributes-16. I assume we don=E2=80=99t want to go down the rabbit hole of defining = BUNDLE for BFCP at this stage? :-) Since if we did, it probably = wouldn=E2=80=99t be too hard - you can demux on confid + userid. S14.2 The =E2=80=9CAllowed attribute values=E2=80=9D here is inconsistent = compared to others by being ABNF rather than just =E2=80=9CA token=E2=80=9D= or =E2=80=9CTokens=E2=80=9D. It=E2=80=99s also wrong - it implies only = one value, not multiple as is the case. Suggest either fixing the ABNF = or saying =E2=80=9Cone or more of=E2=80=A6=E2=80=9D or similar. Best regards, Alan > On 19 Jul 2017, at 11:22, Charles Eckel (eckelcu) = wrote: >=20 > (As WG co-chair) >=20 > Thanks to those who provided reviews. We have decided to extend WGLC = an additional week, through July 25, to provide folks tied up with other = IETF matters time to complete their reviews. >=20 > Cheers, > Charles=20 >=20 > -----Original Message----- > From: bfcpbis on behalf of Charles Eckel = > Date: Monday, July 17, 2017 at 10:10 AM > To: "bfcpbis@ietf.org" > Cc: Tom Kristensen , Roman Shpount = , Alan Ford , Gonzalo = Camarillo , Christer Holmberg = > Subject: Re: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis >=20 > (As WG co-chair) >=20 > This is a reminder that WGLC ends tomorrow. I realize the time to = review overlaps with IETF prep and meeting times. If you require more = time to review the draft, please let me know. Otherwise, please share = your review comments by the end of tomorrow. >=20 > Thanks, > Charles >=20 > -----Original Message----- > From: bfcpbis on behalf of Charles Eckel = > Date: Wednesday, July 5, 2017 at 5:59 PM > To: "bfcpbis@ietf.org" > Subject: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis >=20 > (As WG co-chair) >=20 > This is to announce an additional working group last call for = draft-ietf-bfcpbis-rfc4583bis, "Session Description Protocol (SDP) = Format for Binary Floor Control Protocol (BFCP) Streams". > http://datatracker.ietf.org/doc/draft-ietf-bfcpbis-rfc4583bis/ >=20 > This is intended as a Standards Track RFC, obsoleting RFC 4583. > Please respond to the list by July 18th (i.e. 2 weeks) with any = comments. >=20 > We had a working group last call previous, but a significant = amount of time and some substantial changes and additions have occurred = to justify another review of the draft in its entirely. It is helpful to = attempt to categorize your comment (e.g. technical issue vs. editorial), = and also to provide any replacement text you feel is necessary. > If you review the document and have no comments, please tell = the chairs that you have reviewed it. This is always useful information = in assessing the degree of WG review and consensus behind the document. > Note, we have not scheduled a working group session for IETF 99 = in Prague. This WGLC will close during IETF 99. If helpful, we can = arrange a side meeting to discuss any significant issues, or with any = luck, gather at a bar to celebrate the draft being ready to advance to = the next step toward RFC. >=20 > Cheers, > Charles >=20 >=20 > _______________________________________________ > bfcpbis mailing list > bfcpbis@ietf.org > https://www.ietf.org/mailman/listinfo/bfcpbis >=20 >=20 > _______________________________________________ > bfcpbis mailing list > bfcpbis@ietf.org > https://www.ietf.org/mailman/listinfo/bfcpbis >=20 >=20 --Apple-Mail=_A6D3C387-F7EC-4AE0-8B57-0470FA95387A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi Charles, all,

S3

- = TCP transport indent is hard to parse. Suggest changing sentence to = "Depending on the value of the 'setup' attribute (discussed in Section = 8.1), the port field contains either the port to which the remote = endpoint will direct BFCP messages, or in the case where the endpoint = will initiate the connection towards the remote endpoint, should be set = to a value of 9."


S4.1

- "The offerer includes = this attribute to state all the roles it would be willing to perform=E2=80= =9D: add =E2=80=9Conce negotiation is complete=E2=80=9D, for = clarity.

- = Here, plus S11.1 and S11.2, floorctrl is optional with inferred state of = c-only for an offerer if it is not specified. I would advocate taking = this opportunity to get rid of ambiguity and making the presence of = floorctrl a MUST. Everyone does it already, but it=E2=80=99s one of the = most problematic fields for interop as it is.

- Also, given in an answer only one = role is present, but in an offer multiple can be present, can this be = clearer in the ABNF? Is it possible to specify two ABNFs, one for the = offer and one for the answer (the answer being without the *)? If = that=E2=80=99s not possible, then could we at least emphasise this point = near the start of the section (again coming at this from too many = interop issues in this area).


S6

- = =E2=80=9C=E2=80=A6identified by an SDP label attribute=E2=80=9D. For = consistency, please put =E2=80=98label=E2=80=99 in single = quotes.

- Why = is mstrm: optional in the ABNF, and optional in the paragraph beginning = =E2=80=9CThe floorid attribute=E2=80=A6=E2=80=9D, yet is mandatory in = the =E2=80=9CEndpoints that use the offer/answer=E2=80=A6=E2=80=9D = section? If there is a genuine reason for it to be optional please = specify this, however I think it would be easier just to make it = mandatory.


S11

Is is required to have a BUNDLE table = like this now? (I presume = given draft-ietf-mmusic-sdp-mux-attributes-16 is in MISSREF it=E2=80=99= s too late to make the updates there). As Christer mentioned, It think = this would be better in S7. OR, a separate subsection = under S11 for =E2=80=9CBUNDLE Considerations=E2=80=9D that makes it = clearer that this is an update = to draft-ietf-mmusic-sdp-mux-attributes-16.

I assume we don=E2=80=99t want to go = down the rabbit hole of defining BUNDLE for BFCP at this stage? :-) =  Since if we did, it probably wouldn=E2=80=99t be too hard - you = can demux on confid + userid.


S14.2

The =E2=80=9CAllowed attribute values=E2=80=9D here is = inconsistent compared to others by being ABNF rather than just =E2=80=9CA = token=E2=80=9D or =E2=80=9CTokens=E2=80=9D. It=E2=80=99s also wrong - it = implies only one value, not multiple as is the case. Suggest either = fixing the ABNF or saying =E2=80=9Cone or more of=E2=80=A6=E2=80=9D or = similar.


Best regards,
Alan

On 19 Jul 2017, at 11:22, = Charles Eckel (eckelcu) <eckelcu@cisco.com> wrote:

(As = WG co-chair)

Thanks to those who provided = reviews. We have decided to extend WGLC an additional week, through July = 25, to provide folks tied up with other IETF matters time to complete = their reviews.

Cheers,
Charles =

-----Original Message-----
From: bfcpbis <bfcpbis-bounces@ietf.org> on behalf of Charles Eckel = <eckelcu@cisco.com>
Date: Monday, July = 17, 2017 at 10:10 AM
To: "bfcpbis@ietf.org" <bfcpbis@ietf.org>
Cc: Tom Kristensen <tomkrist@cisco.com>, Roman Shpount <rshpount@turbobridge.com>, Alan Ford <alan.ford@gmail.com>, Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>, Christer Holmberg = <christer.holmberg@ericsson.com>
Subject: = Re: [bfcpbis] WGLC for draft-ietf-bfcpbis-rfc4583bis

   (As WG co-chair)

   This is a reminder that WGLC ends = tomorrow. I realize the time to review overlaps with IETF prep and = meeting times. If you require more time to review the draft, please let = me know. Otherwise, please share your review comments by the end of = tomorrow.

   Thanks,
   Charles

=    -----Original Message-----
=    From: bfcpbis <bfcpbis-bounces@ietf.org> on behalf of Charles Eckel = <eckelcu@cisco.com>
=    Date: Wednesday, July 5, 2017 at 5:59 PM
=    To: "bfcpbis@ietf.org" <bfcpbis@ietf.org>
=    Subject: [bfcpbis] WGLC for = draft-ietf-bfcpbis-rfc4583bis

=        (As WG co-chair)

=        This is to announce an = additional working group last call for draft-ietf-bfcpbis-rfc4583bis, = "Session Description Protocol (SDP) Format for Binary Floor Control = Protocol (BFCP) Streams".
=        http://datatracker.ietf.org/doc/draft-ietf-bfcpbis-rfc4583bis/<= /a>

=        This is intended as a = Standards Track RFC, obsoleting RFC 4583.
=        Please respond to the list by = July 18th (i.e. 2 weeks) with any comments.

=        We had a working group last = call previous, but a significant amount of time and some substantial = changes and additions have occurred to justify another review of the = draft in its entirely. It is helpful to attempt to categorize your = comment (e.g. technical issue vs. editorial), and also to provide any = replacement text you feel is necessary.
=        If you review the document and = have no comments, please tell the chairs that you have reviewed it. This = is always useful information in assessing the degree of WG review and = consensus behind the document.
=        Note, we have not scheduled a = working group session for IETF 99 in Prague. This WGLC will close during = IETF 99. If helpful, we can arrange a side meeting to discuss any = significant issues, or with any luck, gather at a bar to celebrate the = draft being ready to advance to the next step toward RFC.

=        Cheers,
=        Charles


=        ________________________________= _______________
=        bfcpbis mailing list
       bfcpbis@ietf.org
       https://www.ietf.org/mailman/listinfo/bfcpbis


=    _______________________________________________
   bfcpbis mailing list
=    bfcpbis@ietf.org
   https://www.ietf.org/mailman/listinfo/bfcpbis



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