IETF Logo Mail Archive

Re: [MMUSIC] RID update (draft-pthatcher-mmusic-rid-01,> )

Paul Kyzivat <pkyzivat@alum.mit.edu> Fri, 16 October 2015 16:56 UTC

Return-Path: <pkyzivat@alum.mit.edu>
X-Original-To: mmusic@ietfa.amsl.com
Delivered-To: mmusic@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 85ED71B31A6 for <mmusic@ietfa.amsl.com>; Fri, 16 Oct 2015 09:56:46 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.235
X-Spam-Level:
X-Spam-Status: No, score=-1.235 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_SOFTFAIL=0.665] autolearn=no
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 bvHcxVDq5DWX for <mmusic@ietfa.amsl.com>; Fri, 16 Oct 2015 09:56:45 -0700 (PDT)
Received: from resqmta-ch2-02v.sys.comcast.net (resqmta-ch2-02v.sys.comcast.net [IPv6:2001:558:fe21:29:69:252:207:34]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 857081B3124 for <mmusic@ietf.org>; Fri, 16 Oct 2015 09:56:45 -0700 (PDT)
Received: from resomta-ch2-05v.sys.comcast.net ([69.252.207.101]) by resqmta-ch2-02v.sys.comcast.net with comcast id Vswk1r0092Bo0NV01swkWU; Fri, 16 Oct 2015 16:56:44 +0000
Received: from Paul-Kyzivats-MacBook-Pro.local ([50.138.229.151]) by resomta-ch2-05v.sys.comcast.net with comcast id Vswk1r0063Ge9ey01swk0M; Fri, 16 Oct 2015 16:56:44 +0000
To: Adam Roach <adam@nostrum.com>, mmusic@ietf.org
References: <56202075.3000202@nostrum.com> <5620692D.5030703@alum.mit.edu> <562128D5.1040503@nostrum.com>
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
Message-ID: <56212C4B.6080308@alum.mit.edu>
Date: Fri, 16 Oct 2015 12:56:43 -0400
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.3.0
MIME-Version: 1.0
In-Reply-To: <562128D5.1040503@nostrum.com>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Transfer-Encoding: 7bit
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1445014604; bh=7HXHo2/3/aNqGF8H5KMQtfs2wYIuLGevD8uN1wf4kGY=; h=Received:Received:Subject:To:From:Message-ID:Date:MIME-Version: Content-Type; b=auzbAdTEzcz5O5oa2JkcdOvvZlbmjYvLSsnWSijbauwPL7nmJ2+jVk9jfblIkF70w oLglxFYQqV/g7W6e+xr0nnniEw27Pg0lAii48EC9JOVuO8z41w+OtGWadjnlX0TxSl 8hx2g9ATo0ao0O7p851eI0UVw7f5wsylxjM/NcgKzkljNiWomsJn7YNmPoLgLzkFQN BgtLI9nNziK6cZSEP4XnwYTvlRTyGEnlKrxFzynDTqZrzN9T/v0K8fZtsP7y5w8LxV 1BznJUaMGJCKknP3ZufKpK3rkC6jRuzrHUTy2+edpqQhOKILk3Sqk1UOe2PHHqOX7x 7aGp/sNAa7CmA==
Archived-At: <http://mailarchive.ietf.org/arch/msg/mmusic/Xys4AmZd9iUDRB3dyTu3CQwxEVc>
Subject: Re: [MMUSIC] RID update (draft-pthatcher-mmusic-rid-01,> )
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.15
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: Fri, 16 Oct 2015 16:56:46 -0000

Thanks. These changes resolve my concerns.
One comment inline.

On 10/16/15 12:41 PM, Adam Roach wrote:
> On 10/15/15 22:04, Paul Kyzivat wrote:
>> * Section 7.1:
>>
>> In:
>>
>>  1. It MUST generate a 'rid-identifier' that is unique within a media
>>     description
>>
>> IIUC, the rid-identifier must be unique within an RTP session,
>> including all the media descriptions pertaining to that RTP session.
>
> Added:
>
>      Note that 'rid's are only required to be unique within a media
>      section ("m-line"); they do not necessarily need to be unique within
>      an entire RTP session.  In traditional usage, each media section is
>      sent on its own unique 5-tuple, which provides an unambiguous scope.
>      Similarly, when using BUNDLE
>      [I-D.ietf-mmusic-sdp-bundle-negotiation], MID values associate RTP
>      streams uniquely to a single media description.

This means with bundling both will need to be monitored in the RTP/RTCP 
by the receiver to properly process the incoming packets.

Obviously this wasn't clear to me before, so the statement helps.

	Thanks,
	Paul

v2.23.0 | Report a Bug | By Email