IETF Logo Mail Archive

Re: [MMUSIC] Transport tags

Roman Shpount <roman@telurix.com> Thu, 12 January 2017 15:56 UTC

Return-Path: <roman@telurix.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 76D9912946F for <mmusic@ietfa.amsl.com>; Thu, 12 Jan 2017 07:56:48 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_SORBS_SPAM=0.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=telurix-com.20150623.gappssmtp.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 OkPKMhIwSkI2 for <mmusic@ietfa.amsl.com>; Thu, 12 Jan 2017 07:56:46 -0800 (PST)
Received: from mail-qk0-x22a.google.com (mail-qk0-x22a.google.com [IPv6:2607:f8b0:400d:c09::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 465881293FB for <mmusic@ietf.org>; Thu, 12 Jan 2017 07:56:46 -0800 (PST)
Received: by mail-qk0-x22a.google.com with SMTP id s140so24939862qke.0 for <mmusic@ietf.org>; Thu, 12 Jan 2017 07:56:46 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telurix-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=XPcWsevI28g9fExSanOrtXrzVhEUvJBKI9cN1p3kXnc=; b=G1vJpprFrjguTV5bu9Lk6GImdUzd+QMINsYCdgt0ndZ1B1VaGbZsh1ggqiKxO/8WCZ 7T/IJ8ANFjL/E4t1+qYeoSE5pFoL6P1D5IrjapqST/y2HAbBEthZm6CBy8NSWYICm671 J4e1BO2F+jm4tIoPBHTyuiy8xZZ6YkFx4WBueZXeNCN2+oUwPG0+DgnS1CiJcukfP7RZ oxzVZ2bk0fndrurOo5Fjf2hjmj6IzMwaBlxNXPMHFNYzBHNxPvdalXGR4qnP57In9epB mbnw70XBd29bBjTMMSEESeKMnBir2xIq+ZuGoX+77KKVajIEmMB7Shf+l+blIalAWKx2 KwXg==
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=XPcWsevI28g9fExSanOrtXrzVhEUvJBKI9cN1p3kXnc=; b=Uo3Lxk5oZhx+rItpyxOOK8VelMwEfWNd2igTgt1KmjPXstyuW746zKrIeqTnRL1v0q i6dWCbudzZUddxWSMqEkuDfZoUcU9K2YEZrzQrIw0XFOISYgJzMa7ZZVHbC0BcQ6Vr1o 5ivMAHAOI5Ji5DVhWT/9seE/TqkFGuYS/fnZgklFFJSfuIJ3fstdSWpL7E67jcxITNmC a/dyqxDCkF82oRBdpPxNoIz2pU2Uzg2RisLNyLn6vbl3YIg4eUgCyg8l9Y+PwrzajG/C MslDCUHkmhBFLx4pGMj9srQBAwdsy54zwFPVcYVNsLuUEU2gs/7KNYyiO9id3e3rA2gV DjkA==
X-Gm-Message-State: AIkVDXJFQ3PUESkf2OAa05P+xUUPTYdfkflH/S+ePbT3BTD1GKfPrLZ/lHIdeZg/r+ZV+Q==
X-Received: by 10.55.148.199 with SMTP id w190mr15314320qkd.9.1484236605214; Thu, 12 Jan 2017 07:56:45 -0800 (PST)
Received: from mail-qk0-f182.google.com (mail-qk0-f182.google.com. [209.85.220.182]) by smtp.gmail.com with ESMTPSA id d67sm6937424qkg.17.2017.01.12.07.56.44 for <mmusic@ietf.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 12 Jan 2017 07:56:44 -0800 (PST)
Received: by mail-qk0-f182.google.com with SMTP id u25so24654483qki.2 for <mmusic@ietf.org>; Thu, 12 Jan 2017 07:56:44 -0800 (PST)
X-Received: by 10.233.232.202 with SMTP id a193mr13739029qkg.113.1484236604567; Thu, 12 Jan 2017 07:56:44 -0800 (PST)
MIME-Version: 1.0
Received: by 10.12.147.79 with HTTP; Thu, 12 Jan 2017 07:56:44 -0800 (PST)
In-Reply-To: <e3420c8f-a2d6-45ee-12bd-b1f90b768bfd@ericsson.com>
References: <CAD5OKxvEqvah+ZJdPKJdGmKob84X8WaCqKQ2GEiatVbOSmEjDw@mail.gmail.com> <e3420c8f-a2d6-45ee-12bd-b1f90b768bfd@ericsson.com>
From: Roman Shpount <roman@telurix.com>
Date: Thu, 12 Jan 2017 10:56:44 -0500
X-Gmail-Original-Message-ID: <CAD5OKxvH7dS-FPnLVorSr5fnnT7DHJ-4wsG3HJpmQ18=ToWCLQ@mail.gmail.com>
Message-ID: <CAD5OKxvH7dS-FPnLVorSr5fnnT7DHJ-4wsG3HJpmQ18=ToWCLQ@mail.gmail.com>
To: Magnus Westerlund <magnus.westerlund@ericsson.com>
Content-Type: multipart/alternative; boundary="94eb2c033ce8940ac50545e7c3ae"
Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/kl20BvspBqexLSRP0F_ulNqzKco>
Cc: Paul Kyzivat <paul.kyzivat@comcast.net>, "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] Transport tags
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.17
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: <https://mailarchive.ietf.org/arch/browse/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, 12 Jan 2017 15:56:48 -0000

Magnus,

Does it mean for the future protocols we should do DTLS? As
in UDP/DTLS/BFCP and UDP/DTLS/SCTP?

And we should consider UDP/TLS/RTP as legacy that does not follow the
preferred rule.

Regards,

_____________
Roman Shpount

On Thu, Jan 12, 2017 at 2:48 AM, Magnus Westerlund <
magnus.westerlund@ericsson.com> wrote:

> Hi,
>
> I think one should actually use the DTLS or TLS depending on what one
> requires. It one requires DTLS, then use DTLS, if is working with plain
> TLS, then use TLS. The UDP/TLS/RTP/SAVPF is part of the first DTLS-SRTP
> registrations that was done. As plain TLS can't work in this particular
> combination due to UDP there is no actual risk for having to seperate
> between TLS and DTLS. However, if one stack is TCP/FRAMING/(D)TLS/FOO then
> there are potentially important differences if this is TLS or DTLS.
>
> Cheers
>
> Magnus
>
> Den 2017-01-11 kl. 22:01, skrev Roman Shpount:
>
>> What should we use for the new protocols that we are defining?
>>
>> Should it be UDP/TLS/SCTP or UDP/DTLS/SCTP?
>> Should it be UDP/TLS/BFCP or UDP/DTLS/BFCP?
>>
>> I would like to see some consistency here.
>>
>> Regards,
>> _____________
>> Roman Shpount
>>
>> On Wed, Jan 11, 2017 at 3:30 AM, Magnus Westerlund
>> <magnus.westerlund@ericsson.com <mailto:magnus.westerlund@ericsson.com>>
>> wrote:
>>
>>     Den 2017-01-10 kl. 19:08, skrev Roman Shpount:
>>
>>         P.S. In the quoted text someone mentioned "UDP/TLS/RTP/SAVPF",
>>         should it
>>         be "UDP/DTLS/RTP/SAVPF"?
>>
>>
>>     No, actually UDP/TLS/RTP/SAVPF is what is registered for DTLS-SRTP
>>     over UDP with RTP SAVPF profile. See [RFC5764]. The
>>     "UDP/DTLS/RTP/SAVPF" is not registered.
>>
>>     So the alternatives for the dependency of default candidate protocol
>>     type in your proposal would be:
>>
>>     UDP: "UDP/TLS/RTP/SAVPF"
>>     TCP: "TCP/DTLS/RTP/SAVPF"
>>
>>
>>     Cheers
>>
>>     Magnus Westerlund
>>
>>     ------------------------------------------------------------
>> ----------
>>     Services, Media and Network features, Ericsson Research EAB/TXM
>>     ------------------------------------------------------------
>> ----------
>>     Ericsson AB                 | Phone  +46 10 7148287
>>     <tel:%2B46%2010%207148287>
>>     Färögatan 6                 | Mobile +46 73 0949079
>>     <tel:%2B46%2073%200949079>
>>     SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
>>     <mailto:magnus.westerlund@ericsson.com>
>>     ------------------------------------------------------------
>> ----------
>>
>>
>>
>
> --
>
> Magnus Westerlund
>
> ----------------------------------------------------------------------
> Services, Media and Network features, Ericsson Research EAB/TXM
> ----------------------------------------------------------------------
> Ericsson AB                 | Phone  +46 10 7148287
> Färögatan 6                 | Mobile +46 73 0949079
> SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
> ----------------------------------------------------------------------
>
>

v2.23.0 | Report a Bug | By Email