[MMUSIC] RE : RE : I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt
<mohamed.boucadair@orange.com> Wed, 13 March 2013 18:42 UTC
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From: mohamed.boucadair@orange.com
To: Andrew Allen <aallen@blackberry.com>, "thomas.stach@siemens-enterprise.com" <thomas.stach@siemens-enterprise.com>, "Simo.Veikkolainen@nokia.com" <Simo.Veikkolainen@nokia.com>, "mmusic@ietf.org" <mmusic@ietf.org>
Date: Wed, 13 Mar 2013 19:38:20 +0100
Thread-Topic: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt
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Subject: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt
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Hi Andrew, This was also my understanding but it seems the current text opens the door to signal an IPv4 and IPv6 address. If it is not allowed, then the text should be clear. Cheers, Med ________________________________________ De : Andrew Allen [aallen@blackberry.com] Date d'envoi : mercredi 13 mars 2013 19:37 À : BOUCADAIR Mohamed OLNC/OLN; thomas.stach@siemens-enterprise.com; Simo.Veikkolainen@nokia.com; mmusic@ietf.org Objet : Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt The main use of the CCAP parameter is to indicate the capability to use CS SDP and E.164 numbers as a connection address and is not intended for IPv4 vs IPv6 for which ICE is the IETF defined mechanism. ----- Original Message ----- From: mohamed.boucadair@orange.com [mailto:mohamed.boucadair@orange.com] Sent: Wednesday, March 13, 2013 01:32 PM Central Standard Time To: Stach, Thomas <thomas.stach@siemens-enterprise.com>; Simo.Veikkolainen@nokia.com <Simo.Veikkolainen@nokia.com>; mmusic@ietf.org <mmusic@ietf.org> Subject: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt Re-, The wording you propose is better as it explicits this behavior is about ICE and not something else. So, I'm fine with that wording if this is the intent of the authors. BTW, the altc draft already mentions that if altc and ccap are both supported, then both are offered. In fact, I stopped to track this draft since the Anaheim meeting when it seems the consensus of the wg was: ICE is to solution to signal an IPv4 and IPv6 address. The misc draft should specify ccap when distinct nettypes are in use. It seems that consensus is not anymore valid. The current text of ccap is under-specified if it is to be used to convey an IPv4 and IPv6 address. Cheers, Med ________________________________________ De : Stach, Thomas [thomas.stach@siemens-enterprise.com] Date d'envoi : mercredi 13 mars 2013 19:17 À : BOUCADAIR Mohamed OLNC/OLN; Simo.Veikkolainen@nokia.com; mmusic@ietf.org Objet : AW: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt Mohammed, I think it is not acceptable to mention altc in the example. If I recollect correctly, the intention of the text is to specify that ICE MUST be preferred over 'ccap' for IPv4/v6 address negotiation. If we add 'altc' as another example it basically means that the proprietary 'altc' is preferred over 'ccap'. I don't think that a standards track RFC should give the message that proprietary is preferred. Based on this issue I think the current text in the draft does not work. I would explicitly mention the relation of ICE and 'ccap'. The relation to other mechanism such as 'altc' needs to be treated in hte specification of that mechanism. Thus I propose to rephrase to: If an offerer has implemented Interactive Connectivity Establishment (ICE) [RFC5245] and the 'ccap' attribute it MUST use ICE to select between different connection addresses (e.g. "IP4" and "IP6" or different IP addresses within the same IP address family). Regards Thomas > -----Ursprüngliche Nachricht----- > Von: mohamed.boucadair@orange.com > [mailto:mohamed.boucadair@orange.com] > Gesendet: Mittwoch, 13. März 2013 13:40 > An: Stach, Thomas; Simo.Veikkolainen@nokia.com; mmusic@ietf.org > Betreff: RE : [MMUSIC] I-D Action: > draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > Dear Thomas, > > I'm not proposing to change the existing behavior; I'm just > asking whether it is acceptable to add an additional example > to the one already cited in the text. > Wouldn't that be acceptable? > > You can propose to add another example if you have any in mind. > > Cheers, > Med > > ________________________________________ > De : Stach, Thomas [thomas.stach@siemens-enterprise.com] > Date d'envoi : mercredi 13 mars 2013 17:57 > À : BOUCADAIR Mohamed OLNC/OLN; Simo.Veikkolainen@nokia.com; > mmusic@ietf.org > Objet : AW: [MMUSIC] I-D Action: > draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > Mohammed, > > I think you have draft-boucadair-mmusic-altc in mind. > This is an individual submission intended to document some > proporietary mechanism. > I don't think we should make restrictions in a standards > track document in support of proprietary mechanisms. > Otherwise I could also think of additional proprietary stuff > that could be mentioned as well. > > > Regards > Thomas > > > -----Ursprüngliche Nachricht----- > > Von: mmusic-bounces@ietf.org [mailto:mmusic-bounces@ietf.org] > > Im Auftrag von mohamed.boucadair@orange.com > > Gesendet: Mittwoch, 13. März 2013 11:20 > > An: Simo.Veikkolainen@nokia.com; mmusic@ietf.org > > Betreff: Re: [MMUSIC] I-D Action: > > draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > > > Hi Simo, > > > > The document says: > > > > The 'ccap' attribute MUST NOT be used in > > situations where an existing mechanism (such as Interactive > > Connectivity Establishment (ICE) [RFC5245]) can be used to select > > between different connection addresses (e.g. "IP4" and "IP6" or > > different IP addresses within the same IP address family). > > > > Would it be possible to change it to the following: > > > > NEW: > > > > The 'ccap' attribute MUST NOT be used in > > situations where a mechanism (such as Interactive > > Connectivity Establishment (ICE) [RFC5245] or [ALTC]) is > > used to select > > between different connection addresses (e.g. "IP4" and "IP6" or > > different IP addresses within the same IP address family). > > > > > > Thanks. > > Cheers, > > Med > > > > > > >-----Message d'origine----- > > >De : mmusic-bounces@ietf.org [mailto:mmusic-bounces@ietf.org] > > >De la part de Simo.Veikkolainen@nokia.com > > >Envoyé : mercredi 13 mars 2013 16:09 > > >À : mmusic@ietf.org > > >Objet : Re: [MMUSIC] I-D Action: > > >draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > > > > >Hello, > > > > > >We just submitted a new version of the miscellaneous-caps > > >draft, with text that states that if the connection data > > >capability attribute (a=ccap) is used the port number in the > > >resulting SDP MUST be the same as in the original "m=" line, > > >except for PSTN type bearers (when the port number used is 9). > > > > > >Regards, > > >Simo > > > > > >-----Original Message----- > > >From: mmusic-bounces@ietf.org [mailto:mmusic-bounces@ietf.org] > > >On Behalf Of ext internet-drafts@ietf.org > > >Sent: 13. maaliskuuta 2013 15:39 > > >To: i-d-announce@ietf.org > > >Cc: mmusic@ietf.org > > >Subject: [MMUSIC] I-D Action: > > >draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > > > > > > > >A New Internet-Draft is available from the on-line > > >Internet-Drafts directories. > > > This draft is a work item of the Multiparty Multimedia > > >Session Control Working Group of the IETF. > > > > > > Title : Miscellaneous Capabilities > > >Negotiation in the Session Description Protocol (SDP) > > > Author(s) : Miguel A. Garcia-Martin > > > Simo Veikkolainen > > > Robert R. Gilman > > > Filename : > > >draft-ietf-mmusic-sdp-miscellaneous-caps-04.txt > > > Pages : 21 > > > Date : 2013-03-13 > > > > > >Abstract: > > > SDP has been extended with a capability negotiation mechanism > > > framework that allows the endpoints to negotiate > > transport protocols > > > and attributes. This framework has been extended with a media > > > capabilities negotiation mechanism that allows endpoints to > > >negotiate > > > additional media-related capabilities. This negotiation > > is embedded > > > into the widely-used SDP offer/answer procedures. > > > > > > This memo extends the SDP capability negotiation > > framework to allow > > > endpoints to negotiate three additional SDP capabilities. In > > > particular, this memo provides a mechanism to negotiate > bandwidth > > > ('b=' line), connection data ('c=' line), and titles > > ('i=' line for > > > each session or media). > > > > > > > > >The IETF datatracker status page for this draft is: > > >https://datatracker.ietf.org/doc/draft-ietf-mmusic-sdp-miscella > > >neous-caps > > > > > >There's also a htmlized version available at: > > >http://tools.ietf.org/html/draft-ietf-mmusic-sdp-miscellaneous-caps-04 > > > > > >A diff from the previous version is available at: > > >http://www.ietf.org/rfcdiff?url2=draft-ietf-mmusic-sdp-miscella > > >neous-caps-04 > > > > > > > > >Internet-Drafts are also available by anonymous FTP at: > > >ftp://ftp.ietf.org/internet-drafts/ > > > > > >_______________________________________________ > > >mmusic mailing list > > >mmusic@ietf.org > > >https://www.ietf.org/mailman/listinfo/mmusic > > >_______________________________________________ > > >mmusic mailing list > > >mmusic@ietf.org > > >https://www.ietf.org/mailman/listinfo/mmusic > > > > > _______________________________________________ > > mmusic mailing list > > mmusic@ietf.org > > https://www.ietf.org/mailman/listinfo/mmusic > > > _______________________________________________ mmusic mailing list mmusic@ietf.org https://www.ietf.org/mailman/listinfo/mmusic --------------------------------------------------------------------- This transmission (including any attachments) may contain confidential information, privileged material (including material protected by the solicitor-client or other applicable privileges), or constitute non-public information. 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- [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-miscel… internet-drafts
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Simo.Veikkolainen
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… mohamed.boucadair
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Stach, Thomas
- [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-m… mohamed.boucadair
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Stach, Thomas
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Atle Monrad
- [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-m… mohamed.boucadair
- [MMUSIC] RE : I-D Action: draft-ietf-mmusic-sdp-m… mohamed.boucadair
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… DOLLY, MARTIN C
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Andrew Allen
- [MMUSIC] RE : RE : I-D Action: draft-ietf-mmusic-… mohamed.boucadair
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Atle Monrad
- Re: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmu… Andrew Allen
- [MMUSIC] RE : RE : RE : I-D Action: draft-ietf-mm… mohamed.boucadair
- Re: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmu… Simo.Veikkolainen
- Re: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmu… mohamed.boucadair
- Re: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmu… Simo.Veikkolainen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Jonathan Lennox
- Re: [MMUSIC] RE : RE : I-D Action: draft-ietf-mmu… mohamed.boucadair
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… mohamed.boucadair
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Jonathan Lennox
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… mohamed.boucadair
- [MMUSIC] RE : RE : I-D Action: draft-ietf-mmusic-… mohamed.boucadair
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Jonathan Lennox
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Andrew Allen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Stach, Thomas
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Andrew Allen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Hadriel Kaplan
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Hadriel Kaplan
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… mohamed.boucadair
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Simo.Veikkolainen
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Hadriel Kaplan
- Re: [MMUSIC] I-D Action: draft-ietf-mmusic-sdp-mi… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Andrew Allen
- Re: [MMUSIC] RE : I-D Action: draft-ietf-mmusic-s… Flemming Andreasen