
From ag@ag-projects.com  Mon Feb  4 05:08:23 2013
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From: Adrian Georgescu <ag@ag-projects.com>
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Subject: [Simple] Feedback for SIMPLE/MSRP to XMPP interoperability
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Hello,

By implementing the draft specifications for SIMPLE/MSRP to XMPP and =
MSRP-switch to MUC gateway we discovered several issues that we needed =
to tackle differently or were not addressed at all at the moment of =
their writing. The drafts I am referring to are:

http://tools.ietf.org/html/draft-saintandre-sip-xmpp-core-01
=
http://xmpp.org/internet-drafts/draft-saintandre-sip-xmpp-presence-02.html=

http://xmpp.org/internet-drafts/draft-saintandre-sip-xmpp-im-01.html
http://xmpp.org/internet-drafts/draft-saintandre-sip-xmpp-chat-03.html
=
http://xmpp.org/internet-drafts/draft-saintandre-sip-xmpp-groupchat-01.htm=
l

As there are many comments, we made a web page to summarize them as best =
as we could.

http://sylkserver.ag-projects.com/projects/sylkserver/wiki/XMPP-Interop

The software implementing these drafts is now available in the public =
domain. I hope this feedback can be used to continue and finalize the =
standardization works started in those drafts. I am not sure which WG is =
the best place for this, so I mailed all three I am aware of.

Regards,
Adrian


=20

=20=

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Subject: [Simple] [Technical Errata Reported] RFC5261 (3477)
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The following errata report has been submitted for RFC5261,
"An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=5261&eid=3477

--------------------------------------
Type: Technical
Reported by: Erik Wilde <dret@berkeley.edu>

Section: 4.2.2

Original Text
-------------
In XPath 2.0, a "bar" selector
not only matches an unqualified <bar> element, but also matches a
qualified <bar> element that is in scope of a default namespace
declaration.  In contrast, in this specification, a selector without
a prefix only matches one element, and it may match an element with
or without a prefix but only if the namespace it's qualified with (or
none) is an exact match.

Corrected Text
--------------
In XPath 2.0, a "bar" selector matches elements that have the URI of the "default element/type namespace", which is part of an XPath's static context. By setting this URI to the default namespace of the diff document (or leave it empty, if there is none), XPath 2.0's behavior matches the requirements of the previous section.

Notes
-----
The original text is not easy to understand, but seems to assume that an unprefixed name in XPath 2.0 matches both unprefixed names, and prefixed ones that have the same namespace than the default namespace of the XPath static context. This is not the case: Matching depends on how the "default element/type namespace" of the XPath static context is defined, and then matches either namespace-less elements, or those in the "default element/type namespace", but never both. This context, however, is defined by the XPath itself, not by the document. Thus, it can be set externally and could be set to the diff document's default namespace (if there is one). In that case, XPath 2.0 can be used to evaluate XML Patch selectors.

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--------------------------------------
RFC5261 (draft-ietf-simple-xml-patch-ops-04)
--------------------------------------
Title               : An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors
Publication Date    : September 2008
Author(s)           : J. Urpalainen
Category            : PROPOSED STANDARD
Source              : SIP for Instant Messaging and Presence Leveraging Extensions
Area                : Real-time Applications and Infrastructure
Stream              : IETF
Verifying Party     : IESG

From derhoermi@gmx.net  Tue Feb  5 03:17:05 2013
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From: Bjoern Hoehrmann <derhoermi@gmx.net>
To: RFC Errata System <rfc-editor@rfc-editor.org>
Date: Tue, 05 Feb 2013 12:16:58 +0100
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Subject: Re: [Simple] [Technical Errata Reported] RFC5261 (3477)
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* RFC Errata System wrote:
>Original Text
>-------------
>In XPath 2.0, a "bar" selector
>not only matches an unqualified <bar> element, but also matches a
>qualified <bar> element that is in scope of a default namespace
>declaration.  In contrast, in this specification, a selector without
>a prefix only matches one element, and it may match an element with
>or without a prefix but only if the namespace it's qualified with (or
>none) is an exact match.

>Notes
>-----
>The original text is not easy to understand, but seems to assume that
>an unprefixed name in XPath 2.0 matches both unprefixed names, and 
>prefixed ones that have the same namespace than the default namespace of 
>the XPath static context. This is not the case: Matching depends on how 
>the "default element/type namespace" of the XPath static context is 
>defined, and then matches either namespace-less elements, or those in 
>the "default element/type namespace", but never both. This context, 
>however, is defined by the XPath itself, not by the document. Thus, it 
>can be set externally and could be set to the diff document's default 
>namespace (if there is one). In that case, XPath 2.0 can be used to 
>evaluate XML Patch selectors.

Indeed, see <http://www.w3.org/TR/xpath20/#node-tests>, 3rd paragraph.

(I do note that this is not the only difference between XPath 1.0 and
XPath 2.0, so the conclusion that then XPath 2.0 can be used to evalu-
ate XML Patch selectors is not necessarily correct, especially if it
cannot be assumed that defaults like "Default element/type namespace"
cannot be assumed to be chosen to maximise compatibility. But that is
out of scope of the Original Text this item is concerned with.)
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
Am Badedeich 7 · Telefon: +49(0)160/4415681 · http://www.bjoernsworld.de
25899 Dagebüll · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/ 

From wwwrun@rfc-editor.org  Thu Feb  7 07:40:45 2013
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Subject: [Simple] [Technical Errata Reported] RFC5261 (3478)
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The following errata report has been submitted for RFC5261,
"An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=5261&eid=3478

--------------------------------------
Type: Technical
Reported by: Erik Wilde <dret@berkeley.edu>

Section: 4.4.3

Original Text
-------------
4.4.3. Replacing a Namespace Declaration URI


   An example for a replacement of a namespace URI:

   <replace sel="doc/namespace::pref">urn:new:xxx</replace>

   This will replace the URI value of 'pref' prefixed namespace node
   with "urn:new:xxx".  The parent node of the namespace declaration
   MUST be the <doc> element, otherwise an error occurs.

Corrected Text
--------------
4.4.3. Replacing a Namespace URI


   An example for a replacement of a namespace URI:

   <replace sel="doc/namespace::pref">urn:new:xxx</replace>

   This will replace the URI of the namespace associated with the
   'pref' prefix with "urn:new:xxx". The parent node of the namespace
   declaration MUST be the <doc> element, otherwise an error occurs.
   Replacing the namespace at the element where it is declared MUST
   also change all namespace nodes derived from this declaration in
   descendant elements. 

Notes
-----
The spec uses the terms "namespace declaration" and "namespace" almost interchangeably, which is incorrect. It is impossible to select (and thus patch) *namespace declarations* using XPath. When selecting and replacing a *namespace*, then it should be taken into account that the *namespace declaration* very likely has resulted in numerous namespace nodes, attached to child elements of the element where the namespace was declared. It is likely that the spec intended to specify a "recursive replace" of the resulting namespace nodes of a namespace declaration, and this is what the corrected text suggests. The original text is mixing terminology, hard to read, and ambiguous in its meaning.

If the spec text instead tried to specify that really only this one namespace node should be changed, then this can lead to rather strange effects in the resulting document, since the XPath tree now has "orphan" namespace nodes, which then need to be serialized and namespace declarations in locations where previously no namespace declarations occurred.

One way or the other, this ambiguity needs to be clarified to make the spec easier to read and implement.

Instructions:
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--------------------------------------
RFC5261 (draft-ietf-simple-xml-patch-ops-04)
--------------------------------------
Title               : An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors
Publication Date    : September 2008
Author(s)           : J. Urpalainen
Category            : PROPOSED STANDARD
Source              : SIP for Instant Messaging and Presence Leveraging Extensions
Area                : Real-time Applications and Infrastructure
Stream              : IETF
Verifying Party     : IESG

From dret@berkeley.edu  Tue Feb  5 05:17:49 2013
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Cc: Bas de Bakker <bas.debakker@emc.com>, Cornelia Davis <cornelia.davis@emc.com>, jari.urpalainen@nokia.com, Mark Nottingham <mnot@mnot.net>, Norman Walsh <norman.walsh@marklogic.com>, simple@ietf.org, hisham.khartabil@gmail.com, Jonathan Robie <jonathan.robie@emc.com>, RFC Errata System <rfc-editor@rfc-editor.org>
Subject: Re: [Simple] [Technical Errata Reported] RFC5261 (3477)
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hello bjoern.

thanks a lot for the quick feedback!

On 2013-02-05 12:16 , Bjoern Hoehrmann wrote:
> * RFC Errata System wrote:
>> Notes
>> -----
>> The original text is not easy to understand, but seems to assume that
>> an unprefixed name in XPath 2.0 matches both unprefixed names, and
>> prefixed ones that have the same namespace than the default namespace of
>> the XPath static context. This is not the case: Matching depends on how
>> the "default element/type namespace" of the XPath static context is
>> defined, and then matches either namespace-less elements, or those in
>> the "default element/type namespace", but never both. This context,
>> however, is defined by the XPath itself, not by the document. Thus, it
>> can be set externally and could be set to the diff document's default
>> namespace (if there is one). In that case, XPath 2.0 can be used to
>> evaluate XML Patch selectors.
>
> Indeed, see <http://www.w3.org/TR/xpath20/#node-tests>, 3rd paragraph.
> (I do note that this is not the only difference between XPath 1.0 and
> XPath 2.0, so the conclusion that then XPath 2.0 can be used to evalu-
> ate XML Patch selectors is not necessarily correct, especially if it
> cannot be assumed that defaults like "Default element/type namespace"
> cannot be assumed to be chosen to maximise compatibility. But that is
> out of scope of the Original Text this item is concerned with.)

yes, you're right that this is not necessarily a correct conclusion. it 
would be really great to figure this out, though, because the 
convenience of being able to use a standard implementation cannot be 
overstated. i am writing 
http://tools.ietf.org/html/draft-wilde-xml-patch-01 which is intended to 
be based on RFC 5261 (which is why am reading it very closely now), and 
it would be great to have an implementation hints section (i am 
currently writing one) that would clearly tell implementers what they 
can and cannot use. it's bad enough that you cannot use a standard XPath 
1.0 implementation; it would be great if at least XPath 2.0 would be 
usable. any insights would be greatly appreciated, i think i have to 
look closer into the XPath subset of the RFC and see whether that 
contains anything where XPath 1.0 and 2.0 differ.

in the interest of readability, 
http://tools.ietf.org/html/draft-wilde-xml-patch-01#appendix-B now has 
an ABNF for the grammar in RFC 5261, where it's only defined in the XSD. 
i have also filed an erratum about the grammar, because it allows 
"id()", which never selects anything:

http://www.rfc-editor.org/errata_search.php?rfc=5261&eid=3458

thanks again and cheers,

dret.

-- 
erik wilde | mailto:dret@berkeley.edu  -  tel:+1-510-2061079 |
            | UC Berkeley  -  School of Information (ISchool) |
            | http://dret.net/netdret http://twitter.com/dret |

From jdrosen@jdrosen.net  Sat Feb 16 04:37:22 2013
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Olle,

I agree with Ben's assessment above. When we started this draft, we decided
on a fairly hard definition around scope of what is included, and what is
not. We purposely are not including the many SIP extensions that apply in
general to SIP, including presence. As such, I do not think we should
include rfc6072 or 5922. Similarly I dont think a section on xcap (useful
as it might be) belongs here. I look forward to seeing your draft ;)

Thanks,
Jonathan R.



On Wed, Jan 30, 2013 at 1:56 PM, Ben Campbell <ben@nostrum.com> wrote:

> (as chair)
>
> Robert has asked us to progress this as soon as possible. I plan to go
> ahead and do that for the existing version.
>
> That does _not_ mean we should ignore feedback, nor should we shut down
> this discussion. We will just treat any further comments and discussion as
> if they were IETF Last Call comments.
>
> Thanks!
>
> Ben.
>
> On Jan 30, 2013, at 1:49 AM, Olle E Johanson <oej@edvina.net> wrote:
>
> >
> > 29 jan 2013 kl. 15:17 skrev Ben Campbell <ben@nostrum.com>:
> >
> >> (as chair)
> >>
> >> We had a WGLC on version 06 of draft-ietf-simple-simple some time (as
> in years) ago. It's been on hold since then to allow the other SIMPLE work
> to substantially complete. Since our penultimate milestone (simple-chat)
> has recently been approved by the IESG, it's time to progress simple-simple
> and complete our final chartered milestone.
> >>
> >> The only non-trivial change between 06 and 08 was the split of the
> entry for the old msrp-acm draft into separate entries for RFC 6135
> (COMEDIA for MSRP) and RFC 6174 (CEMA), to account for the split of that
> draft.
> >>
> >> After conferring with the author and our AD, I think these changes are
> pretty obvious and not likely to be controversial. Therefore we plan to
> request publication of version 08. If anyone objects to that course of
> action, please speak up asap.
> >
> > Ok, I know I had years to make a comment, but anyway :-)
> >
> > I would like to see references to the SIP domain certificate
> specification, as it plays a role for implementors, as well as the SIP
> certificate management service. These should be important for anyone
> building SIMPLE implementations and adds some missing pieces in the SIMPLE
> specs.
> >
> > - RFC 6072 Certificate Maangement Service for Session Initiation Protocol
> >   http://tools.ietf.org/html/rfc6072
> > - RFC 5922 Domain Certificates in the Session Initiation Protocol
> >  http://tools.ietf.org/html/rfc5922
> >
> > Maybe we could add a clarification for newbies that "The SIP
> subscribe/notify mechanism is not only used in SIMPLE, but also in other
> event packages outside of the scope of this document."
> >
> >
> > I could possibly also add a section about the missing interoperability
> in presence/XCAP implementations but that propably won't help this
> particular document that I find has a lot of value.
> >
> > See you all at SIPit 30! Only a few days of registration open - so
> please hurry to http://www.sipit.net and register!
> > /O
> >
> >>
> >> Thanks!
> >>
> >> Ben.
> >>
> >>> From: internet-drafts@ietf.org
> >>> Subject: [Simple] I-D Action: draft-ietf-simple-simple-08.txt
> >>> Date: January 28, 2013 6:44:53 PM CST
> >>> To: i-d-announce@ietf.org
> >>> Cc: simple@ietf.org
> >>>
> >>>
> >>> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> >>> This draft is a work item of the SIP for Instant Messaging and
> Presence Leveraging Extensions Working Group of the IETF.
> >>>
> >>>     Title           : SIMPLE made Simple: An Overview of the IETF
> Specifications for Instant Messaging and Presence using the Session
> Initiation Protocol (SIP)
> >>>     Author(s)       : Jonathan Rosenberg
> >>>     Filename        : draft-ietf-simple-simple-08.txt
> >>>     Pages           : 15
> >>>     Date            : 2013-01-28
> >>>
> >>> Abstract:
> >>> The IETF has produced many specifications related to Presence and
> >>> Instant Messaging with the Session Initiation Protocol (SIP).
> >>> Collectively, these specifications are known as SIMPLE - SIP for
> >>> Instant Messaging and Presence Leveraging Extensions.  This document
> >>> serves as a guide to the SIMPLE suite of specifications.  It breaks
> >>> them up into categories and explains what each is for and how they
> >>> relate to each other.
> >>>
> >>>
> >>> The IETF datatracker status page for this draft is:
> >>> https://datatracker.ietf.org/doc/draft-ietf-simple-simple
> >>>
> >>> There's also a htmlized version available at:
> >>> http://tools.ietf.org/html/draft-ietf-simple-simple-08
> >>>
> >>> A diff from the previous version is available at:
> >>> http://www.ietf.org/rfcdiff?url2=draft-ietf-simple-simple-08
> >>>
> >>>
> >>> Internet-Drafts are also available by anonymous FTP at:
> >>> ftp://ftp.ietf.org/internet-drafts/
> >>>
> >>> _______________________________________________
> >>> Simple mailing list
> >>> Simple@ietf.org
> >>> https://www.ietf.org/mailman/listinfo/simple
> >>
> >> _______________________________________________
> >> Simple mailing list
> >> Simple@ietf.org
> >> https://www.ietf.org/mailman/listinfo/simple
> >
>
>


-- 
Jonathan Rosenberg, Ph.D.
jdrosen@jdrosen.net
http://www.jdrosen.net

--f46d04428f18ba944a04d5d6c029
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Olle,<div><br></div><div style>I agree with Ben&#39;s asse=
ssment above. When we started this draft, we decided on a fairly hard defin=
ition around scope of what is included, and what is not. We purposely are n=
ot including the many SIP extensions that apply in general to SIP, includin=
g presence. As such, I do not think we should include rfc6072 or 5922. Simi=
larly I dont think a section on xcap (useful as it might be) belongs here. =
I look forward to seeing your draft ;)</div>
<div style><br></div><div style>Thanks,</div><div style>Jonathan R.</div><d=
iv style><br></div></div><div class=3D"gmail_extra"><br><br><div class=3D"g=
mail_quote">On Wed, Jan 30, 2013 at 1:56 PM, Ben Campbell <span dir=3D"ltr"=
>&lt;<a href=3D"mailto:ben@nostrum.com" target=3D"_blank">ben@nostrum.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">(as chair)<br>
<br>
Robert has asked us to progress this as soon as possible. I plan to go ahea=
d and do that for the existing version.<br>
<br>
That does _not_ mean we should ignore feedback, nor should we shut down thi=
s discussion. We will just treat any further comments and discussion as if =
they were IETF Last Call comments.<br>
<br>
Thanks!<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
Ben.<br>
</font></span><div class=3D"im HOEnZb"><br>
On Jan 30, 2013, at 1:49 AM, Olle E Johanson &lt;<a href=3D"mailto:oej@edvi=
na.net">oej@edvina.net</a>&gt; wrote:<br>
<br>
&gt;<br>
</div><div class=3D"HOEnZb"><div class=3D"h5">&gt; 29 jan 2013 kl. 15:17 sk=
rev Ben Campbell &lt;<a href=3D"mailto:ben@nostrum.com">ben@nostrum.com</a>=
&gt;:<br>
&gt;<br>
&gt;&gt; (as chair)<br>
&gt;&gt;<br>
&gt;&gt; We had a WGLC on version 06 of draft-ietf-simple-simple some time =
(as in years) ago. It&#39;s been on hold since then to allow the other SIMP=
LE work to substantially complete. Since our penultimate milestone (simple-=
chat) has recently been approved by the IESG, it&#39;s time to progress sim=
ple-simple and complete our final chartered milestone.<br>

&gt;&gt;<br>
&gt;&gt; The only non-trivial change between 06 and 08 was the split of the=
 entry for the old msrp-acm draft into separate entries for RFC 6135 (COMED=
IA for MSRP) and RFC 6174 (CEMA), to account for the split of that draft.<b=
r>

&gt;&gt;<br>
&gt;&gt; After conferring with the author and our AD, I think these changes=
 are pretty obvious and not likely to be controversial. Therefore we plan t=
o request publication of version 08. If anyone objects to that course of ac=
tion, please speak up asap.<br>

&gt;<br>
&gt; Ok, I know I had years to make a comment, but anyway :-)<br>
&gt;<br>
&gt; I would like to see references to the SIP domain certificate specifica=
tion, as it plays a role for implementors, as well as the SIP certificate m=
anagement service. These should be important for anyone building SIMPLE imp=
lementations and adds some missing pieces in the SIMPLE specs.<br>

&gt;<br>
&gt; - RFC 6072 Certificate Maangement Service for Session Initiation Proto=
col<br>
&gt; =A0 <a href=3D"http://tools.ietf.org/html/rfc6072" target=3D"_blank">h=
ttp://tools.ietf.org/html/rfc6072</a><br>
&gt; - RFC 5922 Domain Certificates in the Session Initiation Protocol<br>
&gt; =A0<a href=3D"http://tools.ietf.org/html/rfc5922" target=3D"_blank">ht=
tp://tools.ietf.org/html/rfc5922</a><br>
&gt;<br>
&gt; Maybe we could add a clarification for newbies that &quot;The SIP subs=
cribe/notify mechanism is not only used in SIMPLE, but also in other event =
packages outside of the scope of this document.&quot;<br>
&gt;<br>
&gt;<br>
&gt; I could possibly also add a section about the missing interoperability=
 in presence/XCAP implementations but that propably won&#39;t help this par=
ticular document that I find has a lot of value.<br>
&gt;<br>
&gt; See you all at SIPit 30! Only a few days of registration open - so ple=
ase hurry to <a href=3D"http://www.sipit.net" target=3D"_blank">http://www.=
sipit.net</a> and register!<br>
&gt; /O<br>
&gt;<br>
&gt;&gt;<br>
&gt;&gt; Thanks!<br>
&gt;&gt;<br>
&gt;&gt; Ben.<br>
&gt;&gt;<br>
&gt;&gt;&gt; From: <a href=3D"mailto:internet-drafts@ietf.org">internet-dra=
fts@ietf.org</a><br>
&gt;&gt;&gt; Subject: [Simple] I-D Action: draft-ietf-simple-simple-08.txt<=
br>
&gt;&gt;&gt; Date: January 28, 2013 6:44:53 PM CST<br>
&gt;&gt;&gt; To: <a href=3D"mailto:i-d-announce@ietf.org">i-d-announce@ietf=
.org</a><br>
&gt;&gt;&gt; Cc: <a href=3D"mailto:simple@ietf.org">simple@ietf.org</a><br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; A New Internet-Draft is available from the on-line Internet-Dr=
afts directories.<br>
&gt;&gt;&gt; This draft is a work item of the SIP for Instant Messaging and=
 Presence Leveraging Extensions Working Group of the IETF.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; =A0 =A0 Title =A0 =A0 =A0 =A0 =A0 : SIMPLE made Simple: An Ove=
rview of the IETF Specifications for Instant Messaging and Presence using t=
he Session Initiation Protocol (SIP)<br>
&gt;&gt;&gt; =A0 =A0 Author(s) =A0 =A0 =A0 : Jonathan Rosenberg<br>
&gt;&gt;&gt; =A0 =A0 Filename =A0 =A0 =A0 =A0: draft-ietf-simple-simple-08.=
txt<br>
&gt;&gt;&gt; =A0 =A0 Pages =A0 =A0 =A0 =A0 =A0 : 15<br>
&gt;&gt;&gt; =A0 =A0 Date =A0 =A0 =A0 =A0 =A0 =A0: 2013-01-28<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Abstract:<br>
&gt;&gt;&gt; The IETF has produced many specifications related to Presence =
and<br>
&gt;&gt;&gt; Instant Messaging with the Session Initiation Protocol (SIP).<=
br>
&gt;&gt;&gt; Collectively, these specifications are known as SIMPLE - SIP f=
or<br>
&gt;&gt;&gt; Instant Messaging and Presence Leveraging Extensions. =A0This =
document<br>
&gt;&gt;&gt; serves as a guide to the SIMPLE suite of specifications. =A0It=
 breaks<br>
&gt;&gt;&gt; them up into categories and explains what each is for and how =
they<br>
&gt;&gt;&gt; relate to each other.<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; The IETF datatracker status page for this draft is:<br>
&gt;&gt;&gt; <a href=3D"https://datatracker.ietf.org/doc/draft-ietf-simple-=
simple" target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-simpl=
e-simple</a><br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; There&#39;s also a htmlized version available at:<br>
&gt;&gt;&gt; <a href=3D"http://tools.ietf.org/html/draft-ietf-simple-simple=
-08" target=3D"_blank">http://tools.ietf.org/html/draft-ietf-simple-simple-=
08</a><br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; A diff from the previous version is available at:<br>
&gt;&gt;&gt; <a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-simpl=
e-simple-08" target=3D"_blank">http://www.ietf.org/rfcdiff?url2=3Ddraft-iet=
f-simple-simple-08</a><br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; Internet-Drafts are also available by anonymous FTP at:<br>
&gt;&gt;&gt; <a href=3D"ftp://ftp.ietf.org/internet-drafts/" target=3D"_bla=
nk">ftp://ftp.ietf.org/internet-drafts/</a><br>
&gt;&gt;&gt;<br>
&gt;&gt;&gt; _______________________________________________<br>
&gt;&gt;&gt; Simple mailing list<br>
&gt;&gt;&gt; <a href=3D"mailto:Simple@ietf.org">Simple@ietf.org</a><br>
&gt;&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/simple" targe=
t=3D"_blank">https://www.ietf.org/mailman/listinfo/simple</a><br>
&gt;&gt;<br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; Simple mailing list<br>
&gt;&gt; <a href=3D"mailto:Simple@ietf.org">Simple@ietf.org</a><br>
&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/simple" target=3D=
"_blank">https://www.ietf.org/mailman/listinfo/simple</a><br>
&gt;<br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div dir=3D"ltr">Jonathan Rosenberg, Ph.D.<br><a href=3D"mailto:jdrosen@jdr=
osen.net" target=3D"_blank">jdrosen@jdrosen.net</a><br><a href=3D"http://ww=
w.jdrosen.net" target=3D"_blank">http://www.jdrosen.net</a></div>

</div>

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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the SIP for Instant Messaging and Presence Le=
veraging Extensions Working Group of the IETF.

	Title           : SIMPLE made Simple: An Overview of the IETF Specificatio=
ns for Instant Messaging and Presence using the Session Initiation Protocol=
 (SIP)
	Author(s)       : Jonathan Rosenberg
	Filename        : draft-ietf-simple-simple-09.txt
	Pages           : 15
	Date            : 2013-02-16

Abstract:
   The IETF has produced many specifications related to Presence and
   Instant Messaging with the Session Initiation Protocol (SIP).
   Collectively, these specifications are known as SIMPLE - SIP for
   Instant Messaging and Presence Leveraging Extensions.  This document
   serves as a guide to the SIMPLE suite of specifications.  It
   categorizes the specifications and explains what each is for and how
   they relate to each other.


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

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-simple-simple-09

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-simple-simple-09


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


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Subject: [Simple] Document Action: 'SIMPLE made Simple: An Overview of the IETF	Specifications for Instant Messaging and Presence using the	Session Initiation Protocol (SIP)' to Informational RFC	(draft-ietf-simple-simple-09.txt)
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The IESG has approved the following document:
- 'SIMPLE made Simple: An Overview of the IETF Specifications for Instant
   Messaging and Presence using the Session Initiation Protocol (SIP)'
  (draft-ietf-simple-simple-09.txt) as Informational RFC

This document is the product of the SIP for Instant Messaging and
Presence Leveraging Extensions Working Group.

The IESG contact persons are Robert Sparks and Gonzalo Camarillo.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-simple-simple/




Technical Summary

The IETF has produced many specifications related to Presence and Instant Messaging with the Session Initiation Protocol (SIP). Collectively, these specifications are known as SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions.  This document serves as a guide to the SIMPLE suite of specifications.  It breaks them up into categories and explains what each is for and how they relate to each other.

Working Group Summary

This document servers as a roadmap to the SIMPLE specifications. It introduces no technical content beyond the summaries of those specifications. While some of the referenced specifications had some degree of controversy, this draft was not controversial in itself.

Document Quality.

This document is a roadmap to other specifications, and therefore has no directly implementable content. The document has undergone normal working group review. There have been no specialized expert reviews, and the shepherd does not believe such reviews are needed, other than those normal for all documents (e.g. Gen-ART).

Personnel

The document shepherd for this document is Ben Campbell.

The responsible Area Director is Robert Sparks. 

From iesg-secretary@ietf.org  Mon Feb 25 14:51:03 2013
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The IESG has approved the following document:
- 'SIMPLE made Simple: An Overview of the IETF Specifications for Instant
   Messaging and Presence using the Session Initiation Protocol (SIP)'
  (draft-ietf-simple-simple-09.txt) as Informational RFC

This document is the product of the SIP for Instant Messaging and
Presence Leveraging Extensions Working Group.

The IESG contact persons are Robert Sparks and Gonzalo Camarillo.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-simple-simple/




Technical Summary

The IETF has produced many specifications related to Presence and Instant Messaging with the Session Initiation Protocol (SIP). Collectively, these specifications are known as SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions.  This document serves as a guide to the SIMPLE suite of specifications.  It breaks them up into categories and explains what each is for and how they relate to each other.

Working Group Summary

This document servers as a roadmap to the SIMPLE specifications. It introduces no technical content beyond the summaries of those specifications. While some of the referenced specifications had some degree of controversy, this draft was not controversial in itself.

Document Quality.

This document is a roadmap to other specifications, and therefore has no directly implementable content. The document has undergone normal working group review. There have been no specialized expert reviews, and the shepherd does not believe such reviews are needed, other than those normal for all documents (e.g. Gen-ART).

Personnel

The document shepherd for this document is Ben Campbell.

The responsible Area Director is Robert Sparks. 

From ben@nostrum.com  Tue Feb 26 07:04:18 2013
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Hi everyone,

The simple-simple draft has been approved for publication by the IESG. =
Many thanks to Jonathan for his work on this, and all those who =
participated in its discussion!

Thanks!

Ben.=

From rjsparks@nostrum.com  Tue Feb 26 08:50:53 2013
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Subject: [Simple] Closing the SIMPLE WG
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Folks -

With the last of SIMPLE's documents going into the RFC Editor queue,
I'm closing the group. It's been a long road since we demonstrated
running code in Pittsburg at IETF 48's IMPP meeting in the summer
of 2000. It's been great to be part of helping evolve those early ideas.

I'm sure there will be new things to do related to SIMPLE in the future, 
and
anticipate that we'll form new, focused working groups to work through them.
DISPATCH will help us find the right structure to get any new work done.

Thanks to everyone for the effort you've put into this working group over
the years. I'm proud to have been a part of it.

RjS

From ben@nostrum.com  Tue Feb 26 09:17:09 2013
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(As chair, for the last time)

Hi Everyone,

As Robert indicated, it's been a long, strange trip from there to here. =
I'd like to personally thank all of our many draft editors, =
contributors, and discussion participants over the last 13 years. Thanks =
also go to Hisham and Robert for their chair roles at various times =
along the way.=20

SIMPLE is still a living protocol suite. Please do not hesitate to bring =
up issues and new ideas--that's what the DISPATCH process is all about.

Thanks!

Ben.

On Feb 26, 2013, at 10:50 AM, Robert Sparks <rjsparks@nostrum.com> =
wrote:

> Folks -
>=20
> With the last of SIMPLE's documents going into the RFC Editor queue,
> I'm closing the group. It's been a long road since we demonstrated
> running code in Pittsburg at IETF 48's IMPP meeting in the summer
> of 2000. It's been great to be part of helping evolve those early =
ideas.
>=20
> I'm sure there will be new things to do related to SIMPLE in the =
future, and
> anticipate that we'll form new, focused working groups to work through =
them.
> DISPATCH will help us find the right structure to get any new work =
done.
>=20
> Thanks to everyone for the effort you've put into this working group =
over
> the years. I'm proud to have been a part of it.
>=20
> RjS
> _______________________________________________
> Simple mailing list
> Simple@ietf.org
> https://www.ietf.org/mailman/listinfo/simple


From iesg-secretary@ietf.org  Tue Feb 26 12:57:54 2013
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Subject: [Simple] WG Action: Conclusion of SIP for Instant Messaging and Presence	Leveraging Extensions (simple)
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The SIP for Instant Messaging and Presence Leveraging Extensions (simple) i=
n the =

Real-time Applications and Infrastructure Area has concluded. The IESG cont=
act =

persons are Gonzalo Camarillo and Robert Sparks.

The mailing list will remain open.

From oej@edvina.net  Thu Feb 28 00:01:02 2013
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26 feb 2013 kl. 18:17 skrev Ben Campbell <ben@nostrum.com>:

> (As chair, for the last time)
>=20
> Hi Everyone,
>=20
> As Robert indicated, it's been a long, strange trip from there to =
here. I'd like to personally thank all of our many draft editors, =
contributors, and discussion participants over the last 13 years. Thanks =
also go to Hisham and Robert for their chair roles at various times =
along the way.=20
>=20
> SIMPLE is still a living protocol suite. Please do not hesitate to =
bring up issues and new ideas--that's what the DISPATCH process is all =
about.
>=20
> Thanks!
Thank you both!

Yes, let's try to focus on the interop issues in DISPATCH and see where =
that takes us.

/Olle
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> Ben.
>=20
> On Feb 26, 2013, at 10:50 AM, Robert Sparks <rjsparks@nostrum.com> =
wrote:
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>> Folks -
>>=20
>> With the last of SIMPLE's documents going into the RFC Editor queue,
>> I'm closing the group. It's been a long road since we demonstrated
>> running code in Pittsburg at IETF 48's IMPP meeting in the summer
>> of 2000. It's been great to be part of helping evolve those early =
ideas.
>>=20
>> I'm sure there will be new things to do related to SIMPLE in the =
future, and
>> anticipate that we'll form new, focused working groups to work =
through them.
>> DISPATCH will help us find the right structure to get any new work =
done.
>>=20
>> Thanks to everyone for the effort you've put into this working group =
over
>> the years. I'm proud to have been a part of it.
>>=20
>> RjS
>> _______________________________________________
>> Simple mailing list
>> Simple@ietf.org
>> https://www.ietf.org/mailman/listinfo/simple
>=20
> _______________________________________________
> Simple mailing list
> Simple@ietf.org
> https://www.ietf.org/mailman/listinfo/simple

