Re: [tram] I-D Action: draft-petithuguenin-tram-turn-dtls-00.txt

Marc Petit-Huguenin <petithug@acm.org> Tue, 04 February 2014 18:13 UTC

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Date: Tue, 04 Feb 2014 11:13:38 -0700
From: Marc Petit-Huguenin <petithug@acm.org>
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To: Alan Johnston <alan.b.johnston@gmail.com>
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Cc: "Gonzalo Salgueiro (gsalguei)" <gsalguei@cisco.com>, "tram@ietf.org" <tram@ietf.org>
Subject: Re: [tram] I-D Action: draft-petithuguenin-tram-turn-dtls-00.txt
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Alan,

We will releasing a new version before the end of this week that adds STUN
over DTLS and all your and other participants suggestions.

Thanks.

On 01/31/2014 03:22 PM, Alan Johnston wrote:
> Marc & Gonzalo,
> 
> This draft looks good - no major issues.  Here's a few comments for things
> to consider.
> 
> Section 1 explains why we don't want to use TURN over TLS.  Might be good
> to say why we want to use TURN over DTLS.  Such as: confidentiality between
> TURN client and server which can protect against the limitations of the
> long term auth method, and privacy for TURN attributes.
> 
> Also, this draft talks exclusively about TURN over DTLS.  What about STUN
> over DTLS?  I was thinking about DTLS for STUN for gathering reflexive
> candidates for setting up a data channel-only Peer Connection.  Having DTLS
> between the STUN client and server could  provide confidentiality for STUN
> attributes.  Does this make sense?  if not, are we sure there are no other
> STUN use cases?
> 
> In the last paragraph of Section 3 mentions the application name of "udp".
> I think this correct as it refers to the SRV RR syntax, but I wanted to be
> sure this was correct and not a typo.
> 
> Section 7 could use some text describing the security benefits of TURN over
> DTLS to help motivate why we all want this extension.
> 
> - Alan -
> 
> 
> On Fri, Jan 31, 2014 at 9:32 AM, Gonzalo Salgueiro (gsalguei) 
> <gsalguei@cisco.com <mailto:gsalguei@cisco.com>> wrote:
> 
> Folks -
> 
> As mentioned during the authoring of the charter, we have published a
> draft to satisfy the milestone for "DTLS transport for TURN".
> 
> Feedback/comments much appreciated.  If time permits we will try and
> publish an -01 prior to the draft deadline.
> 
> Thanks,
> 
> Gonzalo
> 
> 
> 
> 
> On Jan 31, 2014, at 10:00 AM, internet-drafts@ietf.org 
> <mailto:internet-drafts@ietf.org> wrote:
> 
>> 
>> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
>> 
>> 
>> Title           : Datagram Transport Layer Security (DTLS) as
> Transport for Traversal Using Relays around NAT (TURN)
>> Authors         : Marc Petit-Huguenin Gonzalo Salgueiro Filename        :
>> draft-petithuguenin-tram-turn-dtls-00.txt Pages           : 9 Date
>> : 2014-01-31
>> 
>> Abstract: This document specifies the usage of Datagram Transport Layer 
>> Security (DTLS) [RFC6347] as a transport protocol between a Traversal 
>> Using Relays around NAT (TURN) [RFC5766] client and a TURN server. It
>> also specifies modifications to the TURN URIs [RFC7065] and to the TURN
>> resolution mechanism [RFC5928] to facilitate the resolution of TURN URIs
>> into the IP address and port of TURN servers supporting DTLS as a
>> transport protocol.
>> 
>> 
>> The IETF datatracker status page for this draft is: 
>> https://datatracker.ietf.org/doc/draft-petithuguenin-tram-turn-dtls/
>> 
>> There's also a htmlized version available at: 
>> http://tools.ietf.org/html/draft-petithuguenin-tram-turn-dtls-00
>> 
>> 
>> 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
> <http://tools.ietf.org>.
>> 
>> Internet-Drafts are also available by anonymous FTP at: 
>> ftp://ftp.ietf.org/internet-drafts/
>> 
>> _______________________________________________ I-D-Announce mailing
>> list I-D-Announce@ietf.org <mailto:I-D-Announce@ietf.org> 
>> https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft
>> directories: http://www.ietf.org/shadow.html or
>> ftp://ftp.ietf.org/ietf/1shadow-sites.txt
> 
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- -- 
Marc Petit-Huguenin
Email: marc@petit-huguenin.org
Blog: http://blog.marc.petit-huguenin.org
Profile: http://www.linkedin.com/in/petithug
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