Re: [rtcweb] [BEHAVE] URI schemes for TURN and STUN
Marc Petit-Huguenin <petithug@acm.org> Fri, 04 November 2011 16:49 UTC
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Date: Fri, 04 Nov 2011 09:49:32 -0700
From: Marc Petit-Huguenin <petithug@acm.org>
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To: Dan Wing <dwing@cisco.com>
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Cc: 'Behave WG' <behave@ietf.org>, 'Keith Moore' <moore@network-heretics.com>, 'Keith Moore' <moore@cs.utk.edu>, 'Ned Freed' <ned.freed@mrochek.com>, rtcweb@ietf.org
Subject: Re: [rtcweb] [BEHAVE] URI schemes for TURN and STUN
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/04/2011 09:40 AM, Dan Wing wrote: >> -----Original Message----- >> From: Marc Petit-Huguenin [mailto:petithug@acm.org] >> Sent: Friday, November 04, 2011 9:17 AM >> To: Dan Wing >> Cc: 'Eric Rescorla'; 'Ned Freed'; 'Behave WG'; 'Keith Moore'; 'Keith >> Moore'; rtcweb@ietf.org >> Subject: Re: [BEHAVE] [rtcweb] URI schemes for TURN and STUN >> > On 11/04/2011 09:06 AM, Dan Wing wrote: >>>>> -----Original Message----- >>>>> From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On >>>>> Behalf Of Eric Rescorla >>>>> Sent: Friday, November 04, 2011 8:56 AM >>>>> To: Ned Freed >>>>> Cc: Keith Moore; Keith Moore; Behave WG; rtcweb@ietf.org >>>>> Subject: Re: [rtcweb] URI schemes for TURN and STUN >>>>> >>>>> On Fri, Nov 4, 2011 at 8:31 AM, Ned Freed <ned.freed@mrochek.com> >>>>> wrote: >>>>>>> Top-posting a general principle, detailed comment at the > bottom.... >>>>>> >>>>>>> For all URI schemes, I think the URI needs to contain all the >>>>>>> information you need in order to make contact with the service; > you >>>>>>> can't negotiate until you've made contact. >>>>>>> (the process may involve things like "resolve through a resolution >>>>>>> mechanism like DNS" or "get authorization tokens from somewhere >>>>> else"). >>>>>> >>>>>>> In the case of TURN, you need to distinguish between TCP, UDP and >>>>> TLS, >>>>>>> and you need to make that determination before you send the first >>>>>>> packet. That means the distinguishing information between those >>>>> three >>>>>>> things belongs in the URL; I don't think the scheme is a good > place >>>>> to >>>>>>> encode it. >>>>>> >>>>>> I'm in complete agreement with Harald on all of these points. And >>>>> while it >>>>>> would have been nice if URL syntax was less messy and more general, >>>>> making >>>>>> it easier to do these sorts of things in a consistent way, it quite >>>>> simply >>>>>> isn't and we have to make do with what we have. >>>>> >>>>> I don't have any commitment to the scheme. What's the best place? >>>> >>>> http://tools.ietf.org/html/draft-petithuguenin-behave-turn-uri-bis-05 >>>> uses "?transport=", for example: >>>> >>>> turn://example.com?transport=tcp >>>> turns://example.com?transport=udp > > The document uses opaque URI (there was a long discussion at the time > about > this), so it is in fact: > > turn:example.com?transport=tcp > turns:example.com?transport=udp > >> Thanks for the correction. > >> (some examples in the I-D would be useful, to avoid mistakes like mine.) Will do. Thanks. - -- Marc Petit-Huguenin Personal email: marc@petit-huguenin.org Professional email: petithug@acm.org Blog: http://blog.marc.petit-huguenin.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk60F5oACgkQ9RoMZyVa61ccqQCePrkokWQlZIpgRImOVnUngs9Q w34An2U9EgwpFclj98m6MJl68GAkziIz =qrda -----END PGP SIGNATURE-----
- Re: [rtcweb] URI schemes for TURN and STUN Martin J. Dürst
- Re: [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- Re: [rtcweb] URI schemes for TURN and STUN Iñaki Baz Castillo
- Re: [rtcweb] URI schemes for TURN and STUN Marc Petit-Huguenin
- Re: [rtcweb] URI schemes for TURN and STUN Iñaki Baz Castillo
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Martin J. Dürst
- Re: [rtcweb] URI schemes for TURN and STUN Cullen Jennings
- Re: [rtcweb] URI schemes for TURN and STUN Bernard Aboba
- Re: [rtcweb] URI schemes for TURN and STUN Marc Petit-Huguenin
- Re: [rtcweb] URI schemes for TURN and STUN Martin J. Dürst
- Re: [rtcweb] URI schemes for TURN and STUN Magnus Westerlund
- Re: [rtcweb] URI schemes for TURN and STUN Marc Petit-Huguenin
- Re: [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- Re: [rtcweb] URI schemes for TURN and STUN Keith Moore
- Re: [rtcweb] URI schemes for TURN and STUN Keith Moore
- Re: [rtcweb] URI schemes for TURN and STUN Keith Moore
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Keith Moore
- Re: [rtcweb] URI schemes for TURN and STUN Keith Moore
- Re: [rtcweb] URI schemes for TURN and STUN Ned Freed
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Dan Wing
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Dan Wing
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] URI schemes for TURN and STUN Dan Wing
- Re: [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Gonzalo Salgueiro
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Gonzalo Salgueiro
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] URI schemes for TURN and STUN Eric Rescorla
- Re: [rtcweb] URI schemes for TURN and STUN Bjoern Hoehrmann
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Harald Alvestrand
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Harald Alvestrand
- Re: [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- Re: [rtcweb] URI schemes for TURN and STUN Iñaki Baz Castillo
- Re: [rtcweb] URI schemes for TURN and STUN Harald Alvestrand
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Marc Petit-Huguenin
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Gonzalo Salgueiro
- Re: [rtcweb] [BEHAVE] URI schemes for TURN and ST… Tina TSOU