Re: [MMUSIC] Trickle, privacy and bogus addresses

Adam Roach <adam@nostrum.com> Thu, 14 March 2013 20:10 UTC

Return-Path: <adam@nostrum.com>
X-Original-To: mmusic@ietfa.amsl.com
Delivered-To: mmusic@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7676A11E8133 for <mmusic@ietfa.amsl.com>; Thu, 14 Mar 2013 13:10:20 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -102.6
X-Spam-Level:
X-Spam-Status: No, score=-102.6 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, SPF_PASS=-0.001, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tgUO3aWseqUR for <mmusic@ietfa.amsl.com>; Thu, 14 Mar 2013 13:10:20 -0700 (PDT)
Received: from shaman.nostrum.com (nostrum-pt.tunnel.tserv2.fmt.ipv6.he.net [IPv6:2001:470:1f03:267::2]) by ietfa.amsl.com (Postfix) with ESMTP id 9C19411E8153 for <mmusic@ietf.org>; Thu, 14 Mar 2013 13:10:18 -0700 (PDT)
Received: from Orochi.local ([130.129.131.42]) (authenticated bits=0) by shaman.nostrum.com (8.14.3/8.14.3) with ESMTP id r2EKA7BC037690 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 14 Mar 2013 15:10:08 -0500 (CDT) (envelope-from adam@nostrum.com)
Message-ID: <51422E9F.5090909@nostrum.com>
Date: Thu, 14 Mar 2013 16:10:07 -0400
From: Adam Roach <adam@nostrum.com>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/20130216 Thunderbird/17.0.3
MIME-Version: 1.0
To: Martin Thomson <martin.thomson@gmail.com>
References: <CABkgnnW_epOmud_=uVoLvcipeC=5ukG+daJ3axa-tc72CPzCgw@mail.gmail.com>
In-Reply-To: <CABkgnnW_epOmud_=uVoLvcipeC=5ukG+daJ3axa-tc72CPzCgw@mail.gmail.com>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
Received-SPF: pass (shaman.nostrum.com: 130.129.131.42 is authenticated by a trusted mechanism)
Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] Trickle, privacy and bogus addresses
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Multiparty Multimedia Session Control Working Group <mmusic.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mmusic>, <mailto:mmusic-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/mmusic>
List-Post: <mailto:mmusic@ietf.org>
List-Help: <mailto:mmusic-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mmusic>, <mailto:mmusic-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 14 Mar 2013 20:10:20 -0000

If we can maintain privacy without having to specify an intentionally 
bogus address, then I am strongly in support of avoiding this silliness 
also.

/a

On 3/14/13 16:00, Martin Thomson wrote:
> Someone proposed that we use 0.0.0.1:9 to signal "no candidates".
>
> I don't believe this to be necessary and would rather we don't go there at all.
>
> If privacy concerns do not prevent the sharing of addressing
> information, trickle can proceed with host candidates.  This is not a
> real concern.
>
> If privacy protection is paramount, pay the price and allocate a turn
> candidate prior to sending the offer or answer.  It's only the caller
> that is required to pay this cost, which is a little silly because the
> answerer is the most likely to want this sort of protection.
>
> Furthermore, in WebRTC, we have a candidate pool that would ensure
> that would allow us to prime the answerer in preparation for receiving
> an offer such that overall session setup would not take any longer.
> If anyone is unconvinced, I'm happy to walk through a proof of this.
> _______________________________________________
> mmusic mailing list
> mmusic@ietf.org
> https://www.ietf.org/mailman/listinfo/mmusic