[AVTCORE] Fwd: I-D Action: draft-hellstrom-mmusic-multi-party-rtt-00.txt

Gunnar Hellström <[email protected]> Thu, 31 Oct 2019 23:43:05 +0000
Newsgroups gmane.ietf.avt,gmane.ietf.mmusic
Message-ID <[email protected]>
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Hi mmusic and avtcore,

I have replaced an old expired draft about real-time text multi-party handl=
ing. It touches both transport and negotiation topics, so I am sending this=
 to both mmusic and avtcore, but I hope we can keep the discussion in mmusi=
c. So, please respond with your comments to mmusic.

Right now, the draft is a discussion paper. I intend to convert it to a tru=
e BCP format after some discussions on the preferences I have proposed.

Regards

Gunnar Hellstr=F6m


-------- Vidarebefordrat meddelande --------
=C4mne:   I-D Action: draft-hellstrom-mmusic-multi-party-rtt-00.txt
Datum:  Thu, 31 Oct 2019 16:33:35 -0700
Fr=E5n:   [email protected]<mailto:[email protected]>
Svar till:      [email protected]<mailto:[email protected]>
Till:   [email protected]<mailto:[email protected]>



A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.


Title : Real-time text media handling in multi-party conferences
Author : Gunnar Hellstrom
Filename : draft-hellstrom-mmusic-multi-party-rtt-00.txt
Pages : 36
Date : 2019-10-31

Abstract:
This memo specifies methods for Real-Time Text (RTT) media handling
in multi-party calls. The main solution is to carry Real-Time text
by the RTP protocol in a time-sampled mode according to RFC 4103.
The main solution for centralized multi-party handling of real-time
text is achieved through a media control unit coordinating multiple
RTP text streams into one RTP session.

Identification for the streams are provided through the RTCP
messages. This mechanism enables the receiving application to
present the received real-time text medium in different ways
according to user preferences. Some presentation related features
are also described explaining suitable variations of transmission and
presentation of text.

Call control features are described for the SIP environment. A
number of alternative methods for providing the multi-party
negotiation, transmission and presentation are discussed and a
recommendation for the main one is provided. Two alternative methods
using a single RTP stream and source identification inline in the
text stream are also described, one of them being provided as a lower
functionality fallback method for endpoints with no multi-party
awareness for RTT.

Brief information is also provided for multi-party RTT in the WebRTC
environment.

EDITOR NOTE: A number of alternatives are specified for discussion.
A decision is needed which alternatives are preferred and then how
the preferred alternatives shall be emphasized.


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

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-hellstrom-mmusic-multi-party-rtt-00
https://datatracker.ietf.org/doc/html/draft-hellstrom-mmusic-multi-party-rt=
t-00


Please note that it may take a couple of minutes from the time of submissio=
n
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/

_______________________________________________
I-D-Announce mailing list
[email protected]<mailto:[email protected]>
https://www.ietf.org/mailman/listinfo/i-d-announce
Internet-Draft directories: http://www.ietf.org/shadow.html
or ftp://ftp.ietf.org/ietf/1shadow-sites.txt

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<p>Hi mmusic and avtcore,</p>
<p>I have replaced an old expired draft about real-time text multi-party ha=
ndling. It touches both transport and negotiation topics, so I am sending t=
his to both mmusic and avtcore, but I hope we can keep the discussion in mm=
usic. So, please respond with your
 comments to mmusic. <br>
</p>
<p>Right now, the draft is a discussion paper. I intend to convert it to a =
true BCP format after some discussions on the preferences I have proposed.<=
/p>
<p>Regards</p>
<p>Gunnar Hellstr=F6m<br>
</p>
<div class=3D"moz-forward-container"><br>
<br>
-------- Vidarebefordrat meddelande --------
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<tbody>
<tr>
<th valign=3D"BASELINE" nowrap=3D"nowrap" align=3D"RIGHT">=C4mne: </th>
<td>I-D Action: draft-hellstrom-mmusic-multi-party-rtt-00.txt</td>
</tr>
<tr>
<th valign=3D"BASELINE" nowrap=3D"nowrap" align=3D"RIGHT">Datum: </th>
<td>Thu, 31 Oct 2019 16:33:35 -0700</td>
</tr>
<tr>
<th valign=3D"BASELINE" nowrap=3D"nowrap" align=3D"RIGHT">Fr=E5n: </th>
<td><a class=3D"moz-txt-link-abbreviated" href=3D"mailto:internet-drafts@ie=
tf.org">[email protected]</a></td>
</tr>
<tr>
<th valign=3D"BASELINE" nowrap=3D"nowrap" align=3D"RIGHT">Svar till: </th>
<td><a class=3D"moz-txt-link-abbreviated" href=3D"mailto:internet-drafts@ie=
tf.org">[email protected]</a></td>
</tr>
<tr>
<th valign=3D"BASELINE" nowrap=3D"nowrap" align=3D"RIGHT">Till: </th>
<td><a class=3D"moz-txt-link-abbreviated" href=3D"mailto:i-d-announce@ietf.=
org">[email protected]</a></td>
</tr>
</tbody>
</table>
<br>
<br>
<br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
<br>
<br>
Title : Real-time text media handling in multi-party conferences<br>
Author : Gunnar Hellstrom<br>
Filename : draft-hellstrom-mmusic-multi-party-rtt-00.txt<br>
Pages : 36<br>
Date : 2019-10-31<br>
<br>
Abstract:<br>
This memo specifies methods for Real-Time Text (RTT) media handling<br>
in multi-party calls. The main solution is to carry Real-Time text<br>
by the RTP protocol in a time-sampled mode according to RFC 4103.<br>
The main solution for centralized multi-party handling of real-time<br>
text is achieved through a media control unit coordinating multiple<br>
RTP text streams into one RTP session.<br>
<br>
Identification for the streams are provided through the RTCP<br>
messages. This mechanism enables the receiving application to<br>
present the received real-time text medium in different ways<br>
according to user preferences. Some presentation related features<br>
are also described explaining suitable variations of transmission and<br>
presentation of text.<br>
<br>
Call control features are described for the SIP environment. A<br>
number of alternative methods for providing the multi-party<br>
negotiation, transmission and presentation are discussed and a<br>
recommendation for the main one is provided. Two alternative methods<br>
using a single RTP stream and source identification inline in the<br>
text stream are also described, one of them being provided as a lower<br>
functionality fallback method for endpoints with no multi-party<br>
awareness for RTT.<br>
<br>
Brief information is also provided for multi-party RTT in the WebRTC<br>
environment.<br>
<br>
EDITOR NOTE: A number of alternatives are specified for discussion.<br>
A decision is needed which alternatives are preferred and then how<br>
the preferred alternatives shall be emphasized.<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a class=3D"moz-txt-link-freetext" href=3D"https://datatracker.ietf.org/doc=
/draft-hellstrom-mmusic-multi-party-rtt/">https://datatracker.ietf.org/doc/=
draft-hellstrom-mmusic-multi-party-rtt/</a><br>
<br>
There are also htmlized versions available at:<br>
<a class=3D"moz-txt-link-freetext" href=3D"https://tools.ietf.org/html/draf=
t-hellstrom-mmusic-multi-party-rtt-00">https://tools.ietf.org/html/draft-he=
llstrom-mmusic-multi-party-rtt-00</a><br>
<a class=3D"moz-txt-link-freetext" href=3D"https://datatracker.ietf.org/doc=
/html/draft-hellstrom-mmusic-multi-party-rtt-00">https://datatracker.ietf.o=
rg/doc/html/draft-hellstrom-mmusic-multi-party-rtt-00</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of submissio=
n<br>
until the htmlized version and diff are available at tools.ietf.org.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a class=3D"moz-txt-link-freetext" href=3D"ftp://ftp.ietf.org/internet-draf=
ts/">ftp://ftp.ietf.org/internet-drafts/</a><br>
<br>
_______________________________________________<br>
I-D-Announce mailing list<br>
<a class=3D"moz-txt-link-abbreviated" href=3D"mailto:[email protected]"=
>[email protected]</a><br>
<a class=3D"moz-txt-link-freetext" href=3D"https://www.ietf.org/mailman/lis=
tinfo/i-d-announce">https://www.ietf.org/mailman/listinfo/i-d-announce</a><=
br>
Internet-Draft directories: <a class=3D"moz-txt-link-freetext" href=3D"http=
://www.ietf.org/shadow.html">
http://www.ietf.org/shadow.html</a><br>
or <a class=3D"moz-txt-link-freetext" href=3D"ftp://ftp.ietf.org/ietf/1shad=
ow-sites.txt">
ftp://ftp.ietf.org/ietf/1shadow-sites.txt</a><br>
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