
From iesg-secretary@ietf.org  Fri Jun  3 08:24:38 2011
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Subject: [Rmt] Last Call: <draft-ietf-rmt-bb-fec-raptorq-06.txt> (RaptorQ Forward	Error Correction Scheme for Object Delivery) to Proposed Standard
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The IESG has received a request from the Reliable Multicast Transport WG
(rmt) to consider the following document:
- 'RaptorQ Forward Error Correction Scheme for Object Delivery'
  <draft-ietf-rmt-bb-fec-raptorq-06.txt> as a Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@ietf.org mailing lists by 2011-06-17. Exceptionally, comments may be
sent to iesg@ietf.org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

This is a second IETF Last Call. At IESG request, an updated IPR disclosure 
related to this document was filed by Qualcomm Incorporated to clarify the 
licensing terms vis-a-vis different applications of the technology.  
See the following link: https://datatracker.ietf.org/ipr/1553/
Because of this updated IPR disclosure, an additional RMT Working Group Last Call 
was conducted.  The only resultant working group email discussion to the revised IPR
was that it was an improvement in that it more clearly covered unicast as well as
multicast use cases of the technology.  The following URL points to the mailing
list archive message thread regarding this additional WGLC:
 
http://www.ietf.org/mail-archive/web/rmt/current/msg01547.html

Although IPR is in place, this forward error correction
technique is just one of several types that the RMT WG has specified and other,
unencumbered techniques have been defined.  Thus, the RMT WG had  previously discussed 
this matter concluding that it wished to publish this document regardless of the IPR
since this new FEC code is one of multiple alternatives that can  be used to implement
the RMT higher-level protocols, as such the possible IPR covering this does not
preclude the unencumbered implementation of the RMT Protocols.  The IPR licensing terms presented by Qualcomm appear to be reasonable.

The file can be obtained via
http://datatracker.ietf.org/doc/draft-ietf-rmt-bb-fec-raptorq/

IESG discussion can be tracked via
http://datatracker.ietf.org/doc/draft-ietf-rmt-bb-fec-raptorq/

From luby@qualcomm.com  Mon Jun  6 17:17:45 2011
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From: "Luby, Michael" <luby@qualcomm.com>
To: Rod Walsh <rod.walsh@nokia.com>, "rmt@ietf.org" <rmt@ietf.org>
Thread-Topic: [Rmt] FLUTE v2
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Date: Tue, 7 Jun 2011 00:17:42 +0000
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Subject: Re: [Rmt] FLUTE v2
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Hi Rod,
Does your email below mean that you agree to change the revised FLUTE to
version number to 2 at this point?  If so, then I think this would help to
move the revised FLUTE on to the next step in the IETF process, since the
current draft of the revised FLUTE already has the FLUTE version number set
to 2, and thus no changes to the draft would be needed to move the revised
FLUTE to the next step, and as far as I know everyone else who has commente=
d
is on board with making the revised FLUTE be FLUTE version 2 as the
practical path out of the possibilities.  If you meant something else, I
apologize for misinterpreting your email.
Best, Mike


On 5/9/11 4:39 AM, "Rod Walsh" <rod.walsh@nokia.com> wrote:

> Hi all
>=20
> It's pretty clear that as a group and individuals we are short of the ene=
rgy
> and determination to tie-up every loose thread of the RMT adventure. For =
me,
> the one and only issue preventing FLUTE staying at the sensible and consi=
stent
> v1 status was highlight by Mike...
>=20
> http://www.ietf.org/mail-archive/web/rmt/current/msg01513.html
>=20
> ...running through all the specs and the multitude of related SDO adoptio=
ns
> takes a lot of footwork and singular dedication. I'm am not in such a pos=
ition
> to do that nowadays. Even running through the maze of security IDs and RF=
Cs to
> get FLUTE-SDP finished has taken months to get done on-the-side.
>=20
> So unless we have an energetic and enthusiastic spec miner who is willing=
 to
> take on the task Mike pointed out, then I propose we push forward to a v1=
.1.
>=20
> (just kidding, we should all the way to 1.9 :)
>=20
> And thus, with Jani's energy and hard work, I can focus on the finished
> flute-SDP (coming any day now).
>=20
> Cheers, Rod.


From Rod.Walsh@nokia.com  Mon Jun  6 23:45:38 2011
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From: <Rod.Walsh@nokia.com>
To: <luby@qualcomm.com>, <rmt@ietf.org>
Date: Tue, 7 Jun 2011 08:45:25 +0200
Thread-Topic: [Rmt] FLUTE v2
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--_000_4DEDC9056090607nokiacom_
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Hi Mike et al.

Yes v2. Sensible proposal, let's do that.

Now would be a good time to catalogue all (if any) remaining questions RMTe=
rs feel are still open, with a view to a June/July WGLC.

There are a few open questions (on the RMT list) still hanging, but my own =
understanding is that even the changes I do not understand the reasoning fo=
r don't actually harm any implementation. So personally, I will not be resu=
rrecting any prior threads.

Likewise, those active in other SDOs that may be impacted by a standards tr=
ack FLUTE would do us all a great favour by drawing attention to the immine=
nt WGLC also in the WGs of those SDO and so offer a little extra time (just=
 before the vacation season) for cross-SDO contentment and harmony. Please =
post to the RMT mail list activity on this as it occurs so that we don't in=
advertently send redundant messages (and so that we can assume that an SDO =
is not yet in the loop where no RMT list email mentions it).

Cheers, Rod.



On 07/06/2011 03:17, ext Luby, Michael wrote:

Hi Rod,
Does your email below mean that you agree to change the revised FLUTE to
version number to 2 at this point?  If so, then I think this would help to
move the revised FLUTE on to the next step in the IETF process, since the
current draft of the revised FLUTE already has the FLUTE version number set
to 2, and thus no changes to the draft would be needed to move the revised
FLUTE to the next step, and as far as I know everyone else who has commente=
d
is on board with making the revised FLUTE be FLUTE version 2 as the
practical path out of the possibilities.  If you meant something else, I
apologize for misinterpreting your email.
Best, Mike


On 5/9/11 4:39 AM, "Rod Walsh" <rod.walsh@nokia.com><mailto:rod.walsh@nokia=
.com> wrote:

> Hi all
>
> It's pretty clear that as a group and individuals we are short of the ene=
rgy
> and determination to tie-up every loose thread of the RMT adventure. For =
me,
> the one and only issue preventing FLUTE staying at the sensible and consi=
stent
> v1 status was highlight by Mike...
>
> http://www.ietf.org/mail-archive/web/rmt/current/msg01513.html
>
> ...running through all the specs and the multitude of related SDO adoptio=
ns
> takes a lot of footwork and singular dedication. I'm am not in such a pos=
ition
> to do that nowadays. Even running through the maze of security IDs and RF=
Cs to
> get FLUTE-SDP finished has taken months to get done on-the-side.
>
> So unless we have an energetic and enthusiastic spec miner who is willing=
 to
> take on the task Mike pointed out, then I propose we push forward to a v1=
.1.
>
> (just kidding, we should all the way to 1.9 :)
>
> And thus, with Jani's energy and hard work, I can focus on the finished
> flute-SDP (coming any day now).
>
> Cheers, Rod.

_______________________________________________
Rmt mailing list
Rmt@ietf.org<mailto:Rmt@ietf.org>
https://www.ietf.org/mailman/listinfo/rmt

--_000_4DEDC9056090607nokiacom_
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
   =20
  </head>
  <body text=3D"#000000" bgcolor=3D"#ffffff">
    Hi Mike et al.<br>
    <br>
    Yes v2. Sensible proposal, let's do that.<br>
    <br>
    Now would be a good time to catalogue all (if any) remaining
    questions RMTers feel are still open, with a view to a June/July
    WGLC. <br>
    <br>
    There are a few open questions (on the RMT list) still hanging, but
    my own understanding is that even the changes I do not understand
    the reasoning for don't actually harm any implementation. So
    personally, I will not be resurrecting any prior threads.<br>
    <br>
    Likewise, those active in other SDOs that may be impacted by a
    standards track FLUTE would do us all a great favour by drawing
    attention to the imminent WGLC also in the WGs of those SDO and so
    offer a little extra time (just before the vacation season) for
    cross-SDO contentment and harmony. Please post to the RMT mail list
    activity on this as it occurs so that we don't inadvertently send
    redundant messages (and so that we can assume that an SDO is not yet
    in the loop where no RMT list email mentions it).<br>
    <br>
    Cheers, Rod.<br>
    <br>
    <br>
    <br>
    On 07/06/2011 03:17, ext Luby, Michael wrote:
    <blockquote cite=3D"mid:CA12BCEE.D7B3%25luby@qualcomm.com" type=3D"cite=
">
      <meta http-equiv=3D"Content-Type" content=3D"text/html;
        charset=3DISO-8859-1">
      <meta name=3D"Generator" content=3D"MS Exchange Server version
        08.02.0254.000">
      <title>Re: [Rmt] FLUTE v2</title>
      <!-- Converted from text/plain format -->
      <p><font size=3D"2">Hi Rod,<br>
          Does your email below mean that you agree to change the
          revised FLUTE to<br>
          version number to 2 at this point?&nbsp; If so, then I think this
          would help to<br>
          move the revised FLUTE on to the next step in the IETF
          process, since the<br>
          current draft of the revised FLUTE already has the FLUTE
          version number set<br>
          to 2, and thus no changes to the draft would be needed to move
          the revised<br>
          FLUTE to the next step, and as far as I know everyone else who
          has commented<br>
          is on board with making the revised FLUTE be FLUTE version 2
          as the<br>
          practical path out of the possibilities.&nbsp; If you meant
          something else, I<br>
          apologize for misinterpreting your email.<br>
          Best, Mike<br>
          <br>
          <br>
          On 5/9/11 4:39 AM, "Rod Walsh" <a class=3D"moz-txt-link-rfc2396E"=
 href=3D"mailto:rod.walsh@nokia.com">&lt;rod.walsh@nokia.com&gt;</a>
          wrote:<br>
          <br>
          &gt; Hi all<br>
          &gt;<br>
          &gt; It's pretty clear that as a group and individuals we are
          short of the energy<br>
          &gt; and determination to tie-up every loose thread of the RMT
          adventure. For me,<br>
          &gt; the one and only issue preventing FLUTE staying at the
          sensible and consistent<br>
          &gt; v1 status was highlight by Mike...<br>
          &gt;<br>
          &gt; <a moz-do-not-send=3D"true"
            href=3D"http://www.ietf.org/mail-archive/web/rmt/current/msg015=
13.html">http://www.ietf.org/mail-archive/web/rmt/current/msg01513.html</a>=
<br>
          &gt;<br>
          &gt; ...running through all the specs and the multitude of
          related SDO adoptions<br>
          &gt; takes a lot of footwork and singular dedication. I'm am
          not in such a position<br>
          &gt; to do that nowadays. Even running through the maze of
          security IDs and RFCs to<br>
          &gt; get FLUTE-SDP finished has taken months to get done
          on-the-side.<br>
          &gt;<br>
          &gt; So unless we have an energetic and enthusiastic spec
          miner who is willing to<br>
          &gt; take on the task Mike pointed out, then I propose we push
          forward to a v1.1.<br>
          &gt;<br>
          &gt; (just kidding, we should all the way to 1.9 :)<br>
          &gt;<br>
          &gt; And thus, with Jani's energy and hard work, I can focus
          on the finished<br>
          &gt; flute-SDP (coming any day now).<br>
          &gt;<br>
          &gt; Cheers, Rod.<br>
          <br>
          _______________________________________________<br>
          Rmt mailing list<br>
          <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:Rmt@ietf.org=
">Rmt@ietf.org</a><br>
          <a moz-do-not-send=3D"true"
            href=3D"https://www.ietf.org/mailman/listinfo/rmt">https://www.=
ietf.org/mailman/listinfo/rmt</a><br>
        </font>
      </p>
    </blockquote>
  </body>
</html>=

--_000_4DEDC9056090607nokiacom_--

From iesg-secretary@ietf.org  Mon Jun 20 14:23:07 2011
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Cc: rmt chair <rmt-chairs@tools.ietf.org>, rmt mailing list <rmt@ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
Subject: [Rmt] Protocol Action: 'RaptorQ Forward Error Correction Scheme for Object	Delivery' to Proposed Standard (draft-ietf-rmt-bb-fec-raptorq-06.txt)
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The IESG has approved the following document:
- 'RaptorQ Forward Error Correction Scheme for Object Delivery'
  (draft-ietf-rmt-bb-fec-raptorq-06.txt) as a Proposed Standard

This document is the product of the Reliable Multicast Transport Working
Group.

The IESG contact persons are David Harrington and Wesley Eddy.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-rmt-bb-fec-raptorq/




Technical Summary

    This document is an optional Building Block usable to fully define
    an RMT Transport Protocol.  It fully-specifies a Forward Error
    Correction Code, called "RaptorQ", within the guidelines of
    RFC 5052. It also specifies procedures and
    packet-header fields, as required by RFC 5052.

    The combination of this document and RFC 5052 allows the
    implementation of an interoperable Forward Error Correction
    scheme usable in the context of an RMT transport protocol (e.g.
    LCT/ALC or NORM).
    
    RaptorQ is a fountain code, i.e., as many encoding symbols
    as needed can be generated by the encoder on-the-fly from the
    source symbols of a source block of data. The decoder is able to
    recover the source block from any set of encoding symbols only
    generally equal to or occasionally with slightly more in number 
    than the number of source symbols.

    The RaptorQ code described here is a systematic code, meaning that all
    the source symbols are among the encoding symbols that can be generated

Working Group Summary

   There is consensus in the WG to publish these documents.

As a result of the IESG questions and discussions, a further revised IPR
statement was filed by Qualcomm Incorporated.  See the following link:

https://datatracker.ietf.org/ipr/1553/

Because of this updated IPR disclosure, an additional RMT Working Group Last Call 
was conducted.  The only resultant working group email discussion to the revised IPR
was that it was an improvement in that it more clearly covered unicast as well as
multicast use cases of the technology.  The following URL points to the mailing
list archive message thread regarding this additional WGLC:
 
http://www.ietf.org/mail-archive/web/rmt/current/msg01547.html

It is important to note, as had been described in the earlier publication writeup for
this specification that, although IPR is in place, this forward error correction
technique is just one of several types that the RMT WG has specified and other,
unencumbered techniques have been defined.  Thus, the RMT WG had  previously discussed 
this matter concluding that it wished to publish this document regardless of the IPR
since this new FEC code is one of multiple alternatives that can  be used to implement
the RMT higher-level protocols, as such the possible IPR covering this does not
preclude the unencumbered implementation of the RMT Protocols.  The IPR licensing terms presented by Qualcomm appear to be reasonable.


 Document Quality

   Are there existing implementations of the protocol?  Have a 
   significant number of vendors indicated their plan to
   implement the specification?  Are there any reviewers that
   merit special mention as having done a thorough review,
   e.g., one that resulted in important changes or a
   conclusion that the document had no substantive issues?  If
   there was a MIB Doctor, Media Type, or other Expert Review,
   what was its course (briefly)?  In the case of a Media Type
   Review, on what date was the request posted?

    The document is similar in content to the prior "Raptor"
    codec of RFC 5053 and benefits from the development and reviews 
    of that specification.  Additionally, an independent implementation 
    was conducted from the version 03 draft and only minor suggestions 
   were made (and were incorporated) by that developer to clarify the document.

Personnel

   Document Shepherd: Brian Adamson (adamson@itd.nrl.navy.mil)
   Responsible Area Director: David Harrington


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Subject: [Rmt] FW: [RFC State] <draft-ietf-rmt-bb-fec-raptorq-06> has been added to RFC Editor database
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Congratulations.

David Harrington
Director, IETF Transport Area
ietfdbh@comcast.net (preferred for ietf)
dbharrington@huaweisymantec.com
+1 603 828 1401 (cell)

-----Original Message-----
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Subject: [RFC State] <draft-ietf-rmt-bb-fec-raptorq-06> has been added
to RFC Editor database


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