[AVTCORE] I-D Action: draft-ietf-avtcore-multi-party-rtt-mix-15.txt

internet-drafts@ietf.org Wed, 28 April 2021 11:37 UTC

Return-Path: <internet-drafts@ietf.org>
X-Original-To: avt@ietf.org
Delivered-To: avt@ietfa.amsl.com
Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7E1E83A265B; Wed, 28 Apr 2021 04:37:23 -0700 (PDT)
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
From: internet-drafts@ietf.org
To: i-d-announce@ietf.org
Cc: avt@ietf.org
X-Test-IDTracker: no
X-IETF-IDTracker: 7.28.0
Auto-Submitted: auto-generated
Precedence: bulk
Reply-To: avt@ietf.org
Message-ID: <161960984346.14000.15995402110535958999@ietfa.amsl.com>
Date: Wed, 28 Apr 2021 04:37:23 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/ZU4rt3rivPR0N_sFEUwKEzKByCg>
Subject: [AVTCORE] I-D Action: draft-ietf-avtcore-multi-party-rtt-mix-15.txt
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.29
List-Id: Audio/Video Transport Core Maintenance <avt.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/avt/>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 28 Apr 2021 11:37:24 -0000

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Audio/Video Transport Core Maintenance WG of the IETF.

        Title           : RTP-mixer formatting of multi-party Real-time text
        Author          : Gunnar Hellstrom
	Filename        : draft-ietf-avtcore-multi-party-rtt-mix-15.txt
	Pages           : 45
	Date            : 2021-04-28

Abstract:
   Enhancements for RFC 4103 real-time text mixing are provided in this
   document, suitable for a centralized conference model that enables
   source identification and rapidly interleaved transmission of text
   from different sources.  The intended use is for real-time text
   mixers and participant endpoints capable of providing an efficient
   presentation or other treatment of a multi-party real-time text
   session.  The specified mechanism builds on the standard use of the
   CSRC list in the RTP packet for source identification.  The method
   makes use of the same "text/t140" and "text/red" formats as for two-
   party sessions.

   Solutions using multiple RTP streams in the same RTP session are
   briefly mentioned, as they could have some benefits over the RTP-
   mixer model.  The possibility to implement the solution in a wide
   range of existing RTP implementations made the RTP-mixer model be
   selected to be fully specified in this document.

   A capability exchange is specified so that it can be verified that a
   mixer and a participant can handle the multi-party coded real-time
   text stream using the RTP-mixer method.  The capability is indicated
   by use of an SDP media attribute "rtt-mixer".

   The document updates RFC 4103 "RTP Payload for Text Conversation".

   A specification of how a mixer can format text for the case when the
   endpoint is not multi-party aware is also provided.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-avtcore-multi-party-rtt-mix/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-avtcore-multi-party-rtt-mix-15.html

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-avtcore-multi-party-rtt-mix-15


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.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/