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Subject: [straw] I-D Action: draft-ietf-straw-b2bua-dtls-srtp-12.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Sip Traversal Required for Applications to Work of the IETF.

        Title           : DTLS-SRTP Handling in Session Initiation Protocol (SIP) Back-to-Back User Agents (B2BUAs)
        Authors         : Ram Mohan Ravindranath
                          Tirumaleswar Reddy
                          Gonzalo Salgueiro
                          Victor Pascual
                          Parthasarathi Ravindran
	Filename        : draft-ietf-straw-b2bua-dtls-srtp-12.txt
	Pages           : 13
	Date            : 2016-04-04

Abstract:
   Session Initiation Protocol (SIP) Back-to-Back User Agents (B2BUA)
   exist on the signaling and media paths between the endpoints.  This
   document describes the behavior of B2BUAs when Secure Real-time
   Transport (SRTP) security context is set up with the Datagram
   Transport Layer Security (DTLS) protocol.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-dtls-srtp/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-straw-b2bua-dtls-srtp-12

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-dtls-srtp-12


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/


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From: "Ram Mohan R (rmohanr)" <rmohanr@cisco.com>
To: "straw@ietf.org" <straw@ietf.org>, Alissa Cooper <alissa@cooperw.in>
Thread-Topic: [straw] Alissa Cooper's Discuss on draft-ietf-straw-b2bua-dtls-srtp-09: (with DISCUSS and COMMENT)
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Date: Mon, 4 Apr 2016 09:54:16 +0000
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References: <20151201045818.23491.19134.idtracker@ietfa.amsl.com> <E63559A7-6A37-496C-AAD9-426AB697FD65@nostrum.com> <D2851411.4B35B%rmohanr@cisco.com> <DB9B999A-DAF0-440B-BDD4-445368AFFCE2@cooperw.in> <DAE78890-C8B2-42DE-BCC3-A994CB9AF668@nostrum.com> <1D498CDA-C8B6-4215-A718-7C5302B5CF2D@cooperw.in> <01E4CF3B-6C31-4A97-8155-8DC06443A7C2@nostrum.com> <A6B3CA82-DC74-48AB-80B7-EBF1462A964E@nostrum.com> <D2C25ED1.4E4DA%rmohanr@cisco.com> <23C852C2-1B96-4739-91ED-8B4C0FF97279@cooperw.in> <D314CB23.5573B%rmohanr@cisco.com> <8C7E62D2-E8A7-4094-92F4-28C17214A1B5@cooperw.in> <D322AC2A.56904%rmohanr@cisco.com>
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Subject: Re: [straw] Alissa Cooper's Discuss on draft-ietf-straw-b2bua-dtls-srtp-09: (with DISCUSS and COMMENT)
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From nobody Mon Apr 11 05:23:46 2016
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Subject: [straw] I-D Action: draft-ietf-straw-b2bua-rtcp-09.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Sip Traversal Required for Applications to Work of the IETF.

        Title           : Guidelines to support RTCP end-to-end in Back-to-Back User Agents (B2BUAs)
        Authors         : Lorenzo Miniero
                          Sergio Garcia Murillo
                          Victor Pascual
	Filename        : draft-ietf-straw-b2bua-rtcp-09.txt
	Pages           : 18
	Date            : 2016-04-11

Abstract:
   SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also be
   on the media path, rather than just intercepting signalling.  This
   means that B2BUAs often implement an RTP/RTCP stack as well, whether
   to act as media transcoders or to just passthrough the media
   themselves, thus leading to separate multimedia sessions that the
   B2BUA correlates and bridges together.  If not disciplined, though,
   this behaviour can severely impact the communication experience,
   especially when statistics and feedback information contained in RTCP
   packets get lost because of mismatches in the reported data.

   This document defines the proper behaviour B2BUAs should follow when
   also acting on the signalling/media plane in order to preserve the
   end-to-end functionality of RTCP.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09


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/


From nobody Mon Apr 11 05:26:47 2016
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From: Lorenzo Miniero <lorenzo@meetecho.com>
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Hi all,

this is just a refresh on the doc with updated references (RFC7667 and
RFC 7656), I'll come back with a real update, addressing the latest
reviews, next week or the one after that at the latest.

Thanks,
Lorenzo


On Mon, 11 Apr 2016 05:23:45 -0700
internet-drafts@ietf.org wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts
> directories. This draft is a work item of the Sip Traversal Required
> for Applications to Work of the IETF.
> 
>         Title           : Guidelines to support RTCP end-to-end in
> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero
>                           Sergio Garcia Murillo
>                           Victor Pascual
> 	Filename        : draft-ietf-straw-b2bua-rtcp-09.txt
> 	Pages           : 18
> 	Date            : 2016-04-11
> 
> Abstract:
>    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also
> be on the media path, rather than just intercepting signalling.  This
>    means that B2BUAs often implement an RTP/RTCP stack as well,
> whether to act as media transcoders or to just passthrough the media
>    themselves, thus leading to separate multimedia sessions that the
>    B2BUA correlates and bridges together.  If not disciplined, though,
>    this behaviour can severely impact the communication experience,
>    especially when statistics and feedback information contained in
> RTCP packets get lost because of mismatches in the reported data.
> 
>    This document defines the proper behaviour B2BUAs should follow
> when also acting on the signalling/media plane in order to preserve
> the end-to-end functionality of RTCP.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/
> 
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09
> 
> 
> 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/
> 
> _______________________________________________
> straw mailing list
> straw@ietf.org
> https://www.ietf.org/mailman/listinfo/straw


From nobody Tue Apr 12 13:50:49 2016
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Subject: [straw] Alissa Cooper's No Objection on draft-ietf-straw-b2bua-dtls-srtp-12: (with COMMENT)
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Alissa Cooper has entered the following ballot position for
draft-ietf-straw-b2bua-dtls-srtp-12: No Objection

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The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-dtls-srtp/



----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Thanks for handling my DISCUSS points.



From nobody Wed Apr 13 13:52:37 2016
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Hi Lorenzo,

The reviews you mention occurred 10 months ago, and this is the second 
"expiration and reference refresh" update since then.

If you are willing to drive things to resolution over the next small 
number of weeks, please proceed. But if things start to drag on again, 
we will need to consider whether there is still sufficient interest to 
progress the draft.

Thanks,

Ben.

On 11 Apr 2016, at 7:26, Lorenzo Miniero wrote:

> Hi all,
>
> this is just a refresh on the doc with updated references (RFC7667 and
> RFC 7656), I'll come back with a real update, addressing the latest
> reviews, next week or the one after that at the latest.
>
> Thanks,
> Lorenzo
>
>
> On Mon, 11 Apr 2016 05:23:45 -0700
> internet-drafts@ietf.org wrote:
>
>> A New Internet-Draft is available from the on-line Internet-Drafts
>> directories. This draft is a work item of the Sip Traversal Required
>> for Applications to Work of the IETF.
>>
>>         Title           : Guidelines to support RTCP end-to-end in
>> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero
>>                           Sergio Garcia Murillo
>>                           Victor Pascual
>> 	Filename        : draft-ietf-straw-b2bua-rtcp-09.txt
>> 	Pages           : 18
>> 	Date            : 2016-04-11
>>
>> Abstract:
>>    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also
>> be on the media path, rather than just intercepting signalling.  This
>>    means that B2BUAs often implement an RTP/RTCP stack as well,
>> whether to act as media transcoders or to just passthrough the media
>>    themselves, thus leading to separate multimedia sessions that the
>>    B2BUA correlates and bridges together.  If not disciplined, 
>> though,
>>    this behaviour can severely impact the communication experience,
>>    especially when statistics and feedback information contained in
>> RTCP packets get lost because of mismatches in the reported data.
>>
>>    This document defines the proper behaviour B2BUAs should follow
>> when also acting on the signalling/media plane in order to preserve
>> the end-to-end functionality of RTCP.
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/
>>
>> There's also a htmlized version available at:
>> https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09
>>
>> A diff from the previous version is available at:
>> https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09
>>
>>
>> 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/
>>
>> _______________________________________________
>> straw mailing list
>> straw@ietf.org
>> https://www.ietf.org/mailman/listinfo/straw
>
> _______________________________________________
> straw mailing list
> straw@ietf.org
> https://www.ietf.org/mailman/listinfo/straw


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From: Lorenzo Miniero <lorenzo@meetecho.com>
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Hello Ben,

Yes, I've already made substantial changes in the last few days, so I plan to post a new version early next week.

Thanks,
Lorenzo

Il 13 aprile 2016 13:52:29 PDT, Ben Campbell <ben@nostrum.com> ha scritto:
>Hi Lorenzo,
>
>The reviews you mention occurred 10 months ago, and this is the second 
>"expiration and reference refresh" update since then.
>
>If you are willing to drive things to resolution over the next small 
>number of weeks, please proceed. But if things start to drag on again, 
>we will need to consider whether there is still sufficient interest to 
>progress the draft.
>
>Thanks,
>
>Ben.
>
>On 11 Apr 2016, at 7:26, Lorenzo Miniero wrote:
>
>> Hi all,
>>
>> this is just a refresh on the doc with updated references (RFC7667
>and
>> RFC 7656), I'll come back with a real update, addressing the latest
>> reviews, next week or the one after that at the latest.
>>
>> Thanks,
>> Lorenzo
>>
>>
>> On Mon, 11 Apr 2016 05:23:45 -0700
>> internet-drafts@ietf.org wrote:
>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>> directories. This draft is a work item of the Sip Traversal Required
>>> for Applications to Work of the IETF.
>>>
>>>         Title           : Guidelines to support RTCP end-to-end in
>>> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero
>>>                           Sergio Garcia Murillo
>>>                           Victor Pascual
>>> 	Filename        : draft-ietf-straw-b2bua-rtcp-09.txt
>>> 	Pages           : 18
>>> 	Date            : 2016-04-11
>>>
>>> Abstract:
>>>    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also
>>> be on the media path, rather than just intercepting signalling. 
>This
>>>    means that B2BUAs often implement an RTP/RTCP stack as well,
>>> whether to act as media transcoders or to just passthrough the media
>>>    themselves, thus leading to separate multimedia sessions that the
>>>    B2BUA correlates and bridges together.  If not disciplined, 
>>> though,
>>>    this behaviour can severely impact the communication experience,
>>>    especially when statistics and feedback information contained in
>>> RTCP packets get lost because of mismatches in the reported data.
>>>
>>>    This document defines the proper behaviour B2BUAs should follow
>>> when also acting on the signalling/media plane in order to preserve
>>> the end-to-end functionality of RTCP.
>>>
>>>
>>> The IETF datatracker status page for this draft is:
>>> https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/
>>>
>>> There's also a htmlized version available at:
>>> https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09
>>>
>>> A diff from the previous version is available at:
>>> https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09
>>>
>>>
>>> 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/
>>>
>>> _______________________________________________
>>> straw mailing list
>>> straw@ietf.org
>>> https://www.ietf.org/mailman/listinfo/straw
>>
>> _______________________________________________
>> straw mailing list
>> straw@ietf.org
>> https://www.ietf.org/mailman/listinfo/straw

-- 
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<html><head></head><body>Hello Ben,<br>
<br>
Yes, I&#39;ve already made substantial changes in the last few days, so I plan to post a new version early next week.<br>
<br>
Thanks,<br>
Lorenzo<br><br><div class="gmail_quote">Il 13 aprile 2016 13:52:29 PDT, Ben Campbell &lt;ben@nostrum.com&gt; ha scritto:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Hi Lorenzo,<br /><br />The reviews you mention occurred 10 months ago, and this is the second <br />"expiration and reference refresh" update since then.<br /><br />If you are willing to drive things to resolution over the next small <br />number of weeks, please proceed. But if things start to drag on again, <br />we will need to consider whether there is still sufficient interest to <br />progress the draft.<br /><br />Thanks,<br /><br />Ben.<br /><br />On 11 Apr 2016, at 7:26, Lorenzo Miniero wrote:<br /><br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"> Hi all,<br /><br /> this is just a refresh on the doc with updated references (RFC7667 and<br /> RFC 7656), I'll come back with a real update, addressing the latest<br /> reviews, next week or the one after that at the latest.<br /><br /> Thanks,<br /> Lorenzo<br /><br /><br /> On Mon, 11 Apr 2016 05:23:45 -0700<br />
internet-drafts@ietf.org wrote:<br /><br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;"> A New Internet-Draft is available from the on-line Internet-Drafts<br /> directories. This draft is a work item of the Sip Traversal Required<br /> for Applications to Work of the IETF.<br /><br />         Title           : Guidelines to support RTCP end-to-end in<br /> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero<br />                           Sergio Garcia Murillo<br />                           Victor Pascual<br />  Filename        : draft-ietf-straw-b2bua-rtcp-09.txt<br />  Pages           : 18<br />  Date            : 2016-04-11<br /><br /> Abstract:<br />    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also<br /> be on the media path, rather than just intercepting signalling.  This<br />    means that B2BUAs often implement an RTP/RTCP stack as well,<br /> whether to act as
media transcoders or to just passthrough the media<br />    themselves, thus leading to separate multimedia sessions that the<br />    B2BUA correlates and bridges together.  If not disciplined, <br /> though,<br />    this behaviour can severely impact the communication experience,<br />    especially when statistics and feedback information contained in<br /> RTCP packets get lost because of mismatches in the reported data.<br /><br />    This document defines the proper behaviour B2BUAs should follow<br /> when also acting on the signalling/media plane in order to preserve<br /> the end-to-end functionality of RTCP.<br /><br /><br /> The IETF datatracker status page for this draft is:<br /> <a href="https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp">https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp</a>/<br /><br /> There's also a htmlized version available at:<br /> <a
href="https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09">https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-09</a><br /><br /> A diff from the previous version is available at:<br /> <a href="https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09">https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-09</a><br /><br /><br /> Please note that it may take a couple of minutes from the time of<br /> submission until the htmlized version and diff are available at<br /> <a href="http://tools.ietf.org">tools.ietf.org</a>.<br /><br /> Internet-Drafts are also available by anonymous FTP at:<br /> ftp://<a href="http://ftp.ietf.org/internet-drafts">ftp.ietf.org/internet-drafts</a>/<br /><br /><hr /><br /> straw mailing list<br /> straw@ietf.org<br /> <a href="https://www.ietf.org/mailman/listinfo/straw">https://www.ietf.org/mailman/listinfo/straw</a><br /></blockquote><br /><hr /><br /> straw mailing list<br /> straw@ietf.org<br /> <a
href="https://www.ietf.org/mailman/listinfo/straw">https://www.ietf.org/mailman/listinfo/straw</a><br /></blockquote></pre></blockquote></div><br>
-- <br>
Inviato dal mio dispositivo Android con K-9 Mail. Perdonate la brevità.</body></html>
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From nobody Mon Apr 18 06:50:54 2016
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Cc: ben@nostrum.com, draft-ietf-straw-b2bua-dtls-srtp@ietf.org, straw-chairs@ietf.org, straw@ietf.org, The IESG <iesg@ietf.org>, christer.holmberg@ericsson.com, rfc-editor@rfc-editor.org
Subject: [straw] Protocol Action: 'DTLS-SRTP Handling in Session Initiation Protocol (SIP) Back-to-Back User Agents (B2BUAs)' to Proposed Standard (draft-ietf-straw-b2bua-dtls-srtp-12.txt)
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The IESG has approved the following document:
- 'DTLS-SRTP Handling in Session Initiation Protocol (SIP) Back-to-Back
   User Agents (B2BUAs)'
  (draft-ietf-straw-b2bua-dtls-srtp-12.txt) as Proposed Standard

This document is the product of the Sip Traversal Required for
Applications to Work Working Group.

The IESG contact persons are Alexey Melnikov, Ben Campbell and Alissa
Cooper.

A URL of this Internet Draft is:
https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-dtls-srtp/





Technical Summary

Session Initiation Protocol (SIP) Back-to-Back User Agents (B2BUAs) often act on the media plane, rather than just on the signaling path. This means that B2BUAs often act on the media path leading to separate media legs that the B2BUA correlates and bridges together. The document describes the behavior such B2BUAs can adhere to when acting on the media plane that uses a Secure Real-time Transport (SRTP) security context set up with the Datagram Transport Layer Security (DTLS) protocol.

Working Group Summary

The WG path of this document was reasonably short and efficient. Several technical comments were made during reviews and all were resolved with consensus. There is consensus in the STRAW WG to publish this document.

Document Quality

   The guidelines and procedures in the document is based on input  and experience from the implementer community.

Personnel

 Christer Holmberg (christer.holmberg@ericsson.com -- STRAW WG co-chair) is the shepherd. Ben Campbell
(ben@nostrum.com) is the responsible Area Director.




From nobody Tue Apr 19 05:14:18 2016
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Sip Traversal Required for Applications to Work of the IETF.

        Title           : Guidelines to support RTCP end-to-end in Back-to-Back User Agents (B2BUAs)
        Authors         : Lorenzo Miniero
                          Sergio Garcia Murillo
                          Victor Pascual
	Filename        : draft-ietf-straw-b2bua-rtcp-10.txt
	Pages           : 17
	Date            : 2016-04-19

Abstract:
   SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also be
   on the media path, rather than just intercepting signalling.  This
   means that B2BUAs often implement an RTP/RTCP stack as well, whether
   to act as media transcoders or to just passthrough the media
   themselves, thus leading to separate multimedia sessions that the
   B2BUA correlates and bridges together.  If not disciplined, though,
   this behaviour can severely impact the communication experience,
   especially when statistics and feedback information contained in RTCP
   messages get lost because of mismatches in the reported data.

   This document defines the proper behaviour B2BUAs should follow when
   also acting on the signalling/media plane in order to preserve the
   end-to-end functionality of RTCP.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-10

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-10


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/


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Hi all,

as promised, I just uploaded an updated version of the RTCP draft. This
revision tries to clarify the text throughout the whole document, and
more in particular in 3.2, where the management of specific RTCP packet
types is described:

https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-10
https://tools.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-10.txt

The document also updates some references, lists RFC7656 as a normative
one and now mentions draft-ietf-straw-b2bua-dtls-srtp in the
Media Path Security section.

Let me know if this was indeed a right step in addressing the overall
clarity of the text, or if you believe some parts are still unclear
and may benefit from further rewriting. As I'm not a native English
speaker, pointers on specific sections that you feel are too obscure
would be very helpful.

Thanks,
Lorenzo


On Tue, 19 Apr 2016 05:14:14 -0700
internet-drafts@ietf.org wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts
> directories. This draft is a work item of the Sip Traversal Required
> for Applications to Work of the IETF.
> 
>         Title           : Guidelines to support RTCP end-to-end in
> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero
>                           Sergio Garcia Murillo
>                           Victor Pascual
> 	Filename        : draft-ietf-straw-b2bua-rtcp-10.txt
> 	Pages           : 17
> 	Date            : 2016-04-19
> 
> Abstract:
>    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also
> be on the media path, rather than just intercepting signalling.  This
>    means that B2BUAs often implement an RTP/RTCP stack as well,
> whether to act as media transcoders or to just passthrough the media
>    themselves, thus leading to separate multimedia sessions that the
>    B2BUA correlates and bridges together.  If not disciplined, though,
>    this behaviour can severely impact the communication experience,
>    especially when statistics and feedback information contained in
> RTCP messages get lost because of mismatches in the reported data.
> 
>    This document defines the proper behaviour B2BUAs should follow
> when also acting on the signalling/media plane in order to preserve
> the end-to-end functionality of RTCP.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/
> 
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-10
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-straw-b2bua-rtcp-10
> 
> 
> 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/
> 
> _______________________________________________
> straw mailing list
> straw@ietf.org
> https://www.ietf.org/mailman/listinfo/straw


From nobody Tue Apr 19 05:42:40 2016
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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Lorenzo Miniero <lorenzo@meetecho.com>, "straw@ietf.org" <straw@ietf.org>
Thread-Topic: [straw] I-D Action: draft-ietf-straw-b2bua-rtcp-10.txt
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Date: Tue, 19 Apr 2016 12:42:34 +0000
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References: <20160419121414.31625.24574.idtracker@ietfa.amsl.com> <20160419142656.691875cd@lminiero>
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Archived-At: <http://mailarchive.ietf.org/arch/msg/straw/fEmzQaan1G3j85XHiPPB8vc2el0>
Subject: Re: [straw] I-D Action: draft-ietf-straw-b2bua-rtcp-10.txt
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Thanks, Lorenzo!

Regards,

Christer

-----Original Message-----
From: straw [mailto:straw-bounces@ietf.org] On Behalf Of Lorenzo Miniero
Sent: 19 April 2016 15:27
To: straw@ietf.org
Subject: Re: [straw] I-D Action: draft-ietf-straw-b2bua-rtcp-10.txt

Hi all,

as promised, I just uploaded an updated version of the RTCP draft. This rev=
ision tries to clarify the text throughout the whole document, and more in =
particular in 3.2, where the management of specific RTCP packet types is de=
scribed:

https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-10
https://tools.ietf.org/rfcdiff?url2=3Ddraft-ietf-straw-b2bua-rtcp-10.txt

The document also updates some references, lists RFC7656 as a normative one=
 and now mentions draft-ietf-straw-b2bua-dtls-srtp in the Media Path Securi=
ty section.

Let me know if this was indeed a right step in addressing the overall clari=
ty of the text, or if you believe some parts are still unclear and may bene=
fit from further rewriting. As I'm not a native English speaker, pointers o=
n specific sections that you feel are too obscure would be very helpful.

Thanks,
Lorenzo


On Tue, 19 Apr 2016 05:14:14 -0700
internet-drafts@ietf.org wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts=20
> directories. This draft is a work item of the Sip Traversal Required=20
> for Applications to Work of the IETF.
>=20
>         Title           : Guidelines to support RTCP end-to-end in
> Back-to-Back User Agents (B2BUAs) Authors         : Lorenzo Miniero
>                           Sergio Garcia Murillo
>                           Victor Pascual
> 	Filename        : draft-ietf-straw-b2bua-rtcp-10.txt
> 	Pages           : 17
> 	Date            : 2016-04-19
>=20
> Abstract:
>    SIP Back-to-Back User Agents (B2BUAs) are often envisaged to also=20
> be on the media path, rather than just intercepting signalling.  This
>    means that B2BUAs often implement an RTP/RTCP stack as well,=20
> whether to act as media transcoders or to just passthrough the media
>    themselves, thus leading to separate multimedia sessions that the
>    B2BUA correlates and bridges together.  If not disciplined, though,
>    this behaviour can severely impact the communication experience,
>    especially when statistics and feedback information contained in=20
> RTCP messages get lost because of mismatches in the reported data.
>=20
>    This document defines the proper behaviour B2BUAs should follow=20
> when also acting on the signalling/media plane in order to preserve=20
> the end-to-end functionality of RTCP.
>=20
>=20
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-straw-b2bua-rtcp/
>=20
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-straw-b2bua-rtcp-10
>=20
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-straw-b2bua-rtcp-10
>=20
>=20
> Please note that it may take a couple of minutes from the time of=20
> submission until the htmlized version and diff are available at=20
> tools.ietf.org.
>=20
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>=20
> _______________________________________________
> straw mailing list
> straw@ietf.org
> https://www.ietf.org/mailman/listinfo/straw

_______________________________________________
straw mailing list
straw@ietf.org
https://www.ietf.org/mailman/listinfo/straw


From nobody Fri Apr 29 02:07:41 2016
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Cc: ben@nostrum.com, victor.pascual.avila@gmail.com, straw-chairs@ietf.org, straw@ietf.org
Subject: [straw] straw - Not having a session at IETF 96
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Victor Pascual, a chair of the straw working group, indicated that the straw working group does not plan to hold a session at IETF 96.

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