Re: [MMUSIC] BUNDLE: mandate RTP/RTCP multiplexing?

Suhas Nandakumar <suhasietf@gmail.com> Thu, 23 May 2013 02:46 UTC

Return-Path: <suhasietf@gmail.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 AFF8511E8105 for <mmusic@ietfa.amsl.com>; Wed, 22 May 2013 19:46:09 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, NO_RELAYS=-0.001]
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 4X5+jwZEvLMV for <mmusic@ietfa.amsl.com>; Wed, 22 May 2013 19:46:09 -0700 (PDT)
Received: from mail-qc0-x234.google.com (mail-qc0-x234.google.com [IPv6:2607:f8b0:400d:c01::234]) by ietfa.amsl.com (Postfix) with ESMTP id 15AEA21F8EDF for <mmusic@ietf.org>; Wed, 22 May 2013 19:46:09 -0700 (PDT)
Received: by mail-qc0-f180.google.com with SMTP id a10so1505494qcx.11 for <mmusic@ietf.org>; Wed, 22 May 2013 19:46:08 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ugyYCcso+7xRyCQPkxTtIK4+C5fLB5OXVXyudm2mrDA=; b=VyYiCSsf8K1WiwNpPbOxlh8pQQgr9yvnPl8McumdQezRcxFno1ooteLkIC0LW3VleS QzD4OlYQWCDMw4hoWwp2wDjrLo+IVc6j7XPtIIyb90S+8/lahzJZIbe9vmjogilL13LA D9QFXMjKplExLmKvuT0o+0Pi5esXBH0B2COkJcT0VogR+7yG4BsgpNUNsLAeGbQaEe1z AC/oW1U7wuo4qjEPQBSvjxJiogsJuHfaYrgBF6bi0f3mYT1TJj7pD93sMOuv+S6giexm RKLsNLw1t/BRkv+XvtVVMpAP60GpfSvzaxXdKXlkUuwGyCgvFS5Njh9YtIq9s4h3s5CN GpXw==
MIME-Version: 1.0
X-Received: by 10.229.17.10 with SMTP id q10mr3722527qca.21.1369277168561; Wed, 22 May 2013 19:46:08 -0700 (PDT)
Received: by 10.49.25.14 with HTTP; Wed, 22 May 2013 19:46:08 -0700 (PDT)
In-Reply-To: <7594FB04B1934943A5C02806D1A2204B1C368E12@ESESSMB209.ericsson.se>
References: <7594FB04B1934943A5C02806D1A2204B1C368E12@ESESSMB209.ericsson.se>
Date: Wed, 22 May 2013 19:46:08 -0700
Message-ID: <CAMRcRGRepejx8CBQT5wgqUraFS_CfJBVYFdXmse-cZ2saite4w@mail.gmail.com>
From: Suhas Nandakumar <suhasietf@gmail.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>
Content-Type: multipart/alternative; boundary="0015175cf92a3b51b804dd59af69"
Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] BUNDLE: mandate RTP/RTCP multiplexing?
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, 23 May 2013 02:46:09 -0000

+1

I would also like to think if we need to mandate a=rtcp:<port> with BUNDLE.
 Since RFC5761 requires offerer to specify a separate RTCP port to enable
fallback if the Answerer doesn't support RTCPMux.

Any thoughts ?

Cheers
Suhas Nandakumar


On Tue, Apr 30, 2013 at 6:26 AM, Christer Holmberg <
christer.holmberg@ericsson.com> wrote:

>  Hi,****
>
> ** **
>
> As currently indicated in BUNDLE, and SDP offer for RTP must contain an
> rtcp-mux attribute, indicating support of RTP/RTCP multiplexing.****
>
> ** **
>
> However, it is currently optional to include it in the SDP answer.****
>
> ** **
>
> There has been some discussions on whether we should MANDATE the usage of
> rtcp-mux whenever BUNDLE is enabled.****
>
> ** **
>
> Would anyone OBJECT to that?****
>
> ** **
>
> Regards,****
>
> ** **
>
> Christer****
>
> _______________________________________________
> mmusic mailing list
> mmusic@ietf.org
> https://www.ietf.org/mailman/listinfo/mmusic
>
>