
From A.Hoenes@TR-Sys.de  Thu Nov  1 03:10:08 2012
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From: Alfred =?hp-roman8?B?SM5uZXM=?= <ah@TR-Sys.de>
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Subject: Re: [urn] call for comments: an alternative 2141bis document
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As noted previously, I have intentionally deferred speaking up
on this matter in detail until *all* the revised WG draft versions
are available, so they can all be properly referred to.

The revised rfc3044bis (URN:ISSN) draft is expected to become
available soon after I-D submission is open again next week.

It doesn't seem proper to me to not seriously take into account
all the dependencies upon draft-ietf-urnbis-rfc2141bis-urn-03
of the rfc3406bis draft and the namespace-specific WG drafts.
Previous responses on this thread do not seem to do this.

So please review the aforementioned drafts -- including the rfc3044bis
draft revision, once available -- *before* making your mind up!

Kind regards,
  Alfred.


From internet-drafts@ietf.org  Wed Nov  7 07:37:06 2012
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Subject: [urn] I-D Action: draft-ietf-urnbis-rfc3044bis-issn-urn-01.txt
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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 Uniform Resource Names, Revised Working G=
roup of the IETF.

	Title           : Using International Standard Serial Numbers as Uniform R=
esource Names
	Author(s)       : Pierre Godefroy
	Filename        : draft-ietf-urnbis-rfc3044bis-issn-urn-01.txt
	Pages           : 20
	Date            : 2012-11-07

Abstract:
   The International Standard Serial Number, ISSN, has been the
   authoritative identifier for continuing resources (which include
   serials) for more than three decades.  Since 2001, the URN (Uniform
   Resource Name) namespace "ISSN" has been reserved for ISSNs.  The
   namespace registration was performed in RFC 3044.  This document
   redefines -- in a backwards compatible manner -- how the revised ISSN
   standard can be supported within the URN framework, taking into
   account in particular the latest revision of the ISSN standard in the
   ISO framework (ISO 3297:2007).  Moreover, additional syntax related
   information required by the RFC 2141[bis] has been included.  An
   updated namespace registration is provided.  This document replaces
   RFC 3044.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-urnbis-rfc3044bis-issn-urn

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-urnbis-rfc3044bis-issn-urn-01

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-urnbis-rfc3044bis-issn-urn-01


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


From stpeter@stpeter.im  Sat Nov 10 18:37:26 2012
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Following up on my alternative approach to revising RFC 2141, I have
decided to submit a similar I-D for RFC 3406.

One could argue, as Leslie Daigle did to me recently, that we don't
absolutely need to revise RFC 3406. I am sympathetic to that argument.
However, based on my work advising namespace registrants over the past
few years, I found that they often were confused about the process.
Thus in my alternative approach to revising RFC 3406 I have rearranged
the content a bit and have clarified and streamlined the text here and
there. IMHO the only truly substantive change is removal of experimental
namespaces, in accordance with the recommendations of RFC 6648.

Feedback is welcome.

Peter


- -------- Original Message --------
Subject: I-D Action: draft-saintandre-urnbis-3406bis-00.txt
Date: Sat, 10 Nov 2012 18:27:46 -0800
From: internet-drafts@ietf.org
Reply-To: internet-drafts@ietf.org
To: i-d-announce@ietf.org


A New Internet-Draft is available from the on-line Internet-Drafts
directories.


	Title           : Uniform Resource Name (URN) Namespace Definitions
	Author(s)       : Peter Saint-Andre
                          Leslie Daigle
                          Renato Iannella
	Filename        : draft-saintandre-urnbis-3406bis-00.txt
	Pages           : 16
	Date            : 2012-11-10

Abstract:
   This document supplements the Uniform Resource Name (URN) syntax
   specification by defining the concept of a URN namespace, as well as
   mechanisms for defining and registering such namespaces.  This
   document obsoletes RFC 3406.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-saintandre-urnbis-3406bis

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-saintandre-urnbis-3406bis-00


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ftp://ftp.ietf.org/internet-drafts/

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From masinter@adobe.com  Sun Nov 11 00:13:39 2012
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From: Larry Masinter <masinter@adobe.com>
To: Andrew Newton <andy@hxr.us>, "urn@ietf.org" <urn@ietf.org>
Date: Sun, 11 Nov 2012 00:13:31 -0800
Thread-Topic: [urn] call for comments: an alternative 2141bis document
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For the record:

Personally, I think that the definition of URNs in 2141 was a mistake, and =
that santandre's document doesn't go far enough. URNs may have originally i=
ntended to be "persistent" and "location independent", but in practice, the=
y intrinsically no more or less persistent or location independent as any o=
ther URL, they just happen to start with the "urn:" scheme and have a diffe=
rent generic syntax.

In fact, the only thing that distinguishes urns, in general, is that they f=
orm a consistent way of important an externally managed namespace into the =
URI space.

So I would update 2141 to say that there is a URI scheme "urn:" which is us=
eful when there is a naming authority which takes responsibility for determ=
ining the interpretation of names. I might also note that there was some co=
nfusion about the role of urns in the past, with the hope that they could p=
rovide some "persistence", but the distinction is illusive.  One could have=
 just made up URL schemes (use issn:.... instead of urn:issn:...) but the c=
onsistency of knowing the nature of the URI might be useful and avoid proli=
feration of schemes.

I might apologize for Urn:uuid as a mistake (since there is no authority), =
and point to a few URI schemes which are not normally thought as being "Int=
ernet" (tel:, although that's increasingly resolvable.)


> -----Original Message-----
> From: urn-bounces@ietf.org [mailto:urn-bounces@ietf.org] On Behalf Of
> Andrew Newton
> Sent: Thursday, October 25, 2012 11:35 AM
> To: urn@ietf.org
> Subject: [urn] call for comments: an alternative 2141bis document
>=20
> All,
>=20
> We have received a request for this working group to consider an
> alternative to its adopted 2141bis document
> (draft-ietf-urnbis-rfc2141bis-urn-03). That alternative is
> draft-saintandre-urnbis-2141bis-00
> (http://datatracker.ietf.org/doc/draft-saintandre-urnbis-2141bis/).
> Additionally, some reviewers of our adopted document have expressed
> concern regarding its unnecessary wordiness, especially in comparison
> with the alternative.
>=20
> Can participants of this working group please review both documents
> and express opinions and provide comments as to the direction desired
> for this working group in regards to a 2141bis RFC?
>=20
> The two documents can be found here:
> http://datatracker.ietf.org/doc/draft-ietf-urnbis-rfc2141bis-urn/
> http://datatracker.ietf.org/doc/draft-saintandre-urnbis-2141bis/
>=20
> We will use the IETF standard of rough consensus to determine the way
> forward.
>=20
> Finally, should the working group desire an alternative approach, we
> intend to preserve and publish the historical and non-normative
> information found in our current document. This information is
> valuable and important.
>=20
> -andy
> co-chair, URNBIS
> _______________________________________________
> urn mailing list
> urn@ietf.org
> https://www.ietf.org/mailman/listinfo/urn

From ri@semanticidentity.com  Tue Nov 13 16:55:23 2012
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From: Renato Iannella <ri@semanticidentity.com>
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On 11 Nov 2012, at 18:13, Larry Masinter <masinter@adobe.com> wrote:

> Personally, I think that the definition of URNs in 2141 was a mistake, =
and that santandre's document doesn't go far enough. URNs may have =
originally intended to be "persistent" and "location independent", but =
in practice, they intrinsically no more or less persistent or location =
independent as any other URL, they just happen to start with the "urn:" =
scheme and have a different generic syntax.


Hi Larry....as we all know, it is impossible to say that _anything_ will =
be persistent (even beyond our lifetimes) in this industry.

But I think that at least URNs _try_ to highlight to URN operators that =
they need to consider longevity (Sec 5.1 of RFC3406bis [1])
and the fact the URNs are not dependent on the DNS and the opaque NSS =
help towards that goal....but still requires ORG support for this to be =
realised (hence a dependency on ORG persistence).

Perhaps we can update 3406bis and 2141bis along these lines. That is, =
qualify the "persistent, location-independent" statement with =
qualification.=20


Cheers...
Renato Iannella
Semantic Identity
http://semanticidentity.com
Mobile: +61 4 1313 2206

[1] http://tools.ietf.org/html/draft-saintandre-urnbis-3406bis-00=

From masinter@adobe.com  Mon Nov 19 01:58:53 2012
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From: Larry Masinter <masinter@adobe.com>
To: Renato Iannella <ri@semanticidentity.com>
Date: Mon, 19 Nov 2012 01:58:41 -0800
Thread-Topic: [urn] call for comments: an alternative 2141bis document
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Subject: Re: [urn] call for comments: an alternative 2141bis document
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> Hi Larry....as we all know, it is impossible to say that _anything_ will =
be
> persistent (even beyond our lifetimes) in this industry.
http://masinter.blogspot.com/2010/03/ozymandias-uri.html

> But I think that at least URNs _try_ to highlight to URN operators that t=
hey need
> to consider longevity
http://tools.ietf.org/html/draft-saintandre-urnbis-3406bis-00#section-5.1

There is no clear line between meeting the requirements for "formal" and no=
t; we (the IETF reviewers) are being asked to judge something we have littl=
e qualification to judge, namely the likely longevity of an organization's =
ability to "resolve" names for some period of time (how long?), and whether=
 that registration and resolution service will remain "open" (in what way?)=
 for an indefinite amount of time (how long?).

I like the criteria, just I'm uneasy about IETF judging them without bikesh=
edding.

> and the fact the URNs are not dependent on the DNS and the opaque NSS hel=
p
> towards that goal....but still requires ORG support for this to be realis=
ed (hence
> a dependency on ORG persistence).

I assume you mean "organizational" by "ORG" and not something more formal.
Of course URLs aren't all dependent on DNS either.  You're not saying why t=
el: is a URI scheme and not a URN namespace?=20
r
I'm not sure what you mean by "opaque NSS".

> Perhaps we can update 3406bis and 2141bis along these lines. That is, qua=
lify the
> "persistent, location-independent" statement with qualification.

I think it's a mistake to believe that URNs accomplish either of those, and=
 people often skip the qualifications. URNs are not persistent. And "locati=
on-independent" cannot be determined.



From ted.ietf@gmail.com  Mon Nov 19 08:39:08 2012
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From: Ted Hardie <ted.ietf@gmail.com>
To: Larry Masinter <masinter@adobe.com>
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Subject: Re: [urn] call for comments: an alternative 2141bis document
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On Mon, Nov 19, 2012 at 1:58 AM, Larry Masinter <masinter@adobe.com> wrote:
>> Hi Larry....as we all know, it is impossible to say that _anything_ will be
>> persistent (even beyond our lifetimes) in this industry.

While I agree that there is no way to say that anything aiming to be
persistent will succeed, I do think it is useful to capture the answer
to the question:  will this identifier ever by reassigned in the
normal course of business?  There are lots of reasons why you can be
wrong in the answer you give, but the answer is useful.

This is also, oddly enough, why I think UUID URNs are just fine, even
though they do not have an organizational guarantee--the cryptographic
guarantee they provide is at least as good as the typical
human-managed system.  So I can look at one in a system and understand
that it is meant to be unique.

Just my personal view, of course,

Ted

From masinter@adobe.com  Sun Nov 25 04:48:06 2012
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From: Larry Masinter <masinter@adobe.com>
To: Ted Hardie <ted.ietf@gmail.com>
Date: Sun, 25 Nov 2012 04:47:50 -0800
Thread-Topic: [urn] call for comments: an alternative 2141bis document
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I'm not sure how useful it is to "capture the answer to the question:  will=
 this identifier ever by reassigned in the  normal course of business?"

I think the question was "why bother with the extra four 'urn:' letters, ra=
ther than just invent a new scheme?" and it's as useful to say that about  =
blah:stuff as it is about  urn:blah:stuff, and if you are handed a URL of t=
he form "urn:blah:stuff" where you know nothing about "blah", you have no m=
ore information than you would have given "blah:stuff".

(blah =3D uuid & stuff cryptographically securely randomly generated or not=
).

I think you will have trouble defining "reassigned" and "normal course of b=
usiness"...=20

During the normal course of business http://host/path  always means =20
   >>> talk to the host named "host", using whatever protocol is currently =
meant by "http", asking for "/path" <<<<

You probably mean something else by "reassigned", but there's a devil in th=
e details of what it means in operational terms that make sense.

The theory I'm working on links persistence to meaning, in that, within a c=
ommunication from Alice, through a repository R, to Bob,
that includes a URL/URI/URN/IRI

A --- U ---> R=20
R --- U -->  B

Where the two transactions are time-offset, that the intention of meaning b=
y A for U is tied directly to the expected persistent behavior of B when in=
terpreting U.=20



> -----Original Message-----
> From: Ted Hardie [mailto:ted.ietf@gmail.com]
> Sent: Monday, November 19, 2012 8:39 AM
> To: Larry Masinter
> Cc: Renato Iannella; urn@ietf.org
> Subject: Re: [urn] call for comments: an alternative 2141bis document
>=20
> On Mon, Nov 19, 2012 at 1:58 AM, Larry Masinter <masinter@adobe.com>
> wrote:
> >> Hi Larry....as we all know, it is impossible to say that _anything_ wi=
ll be
> >> persistent (even beyond our lifetimes) in this industry.
>=20
> While I agree that there is no way to say that anything aiming to be
> persistent will succeed, I do think it is useful to capture the answer
> to the question:  will this identifier ever by reassigned in the
> normal course of business?  There are lots of reasons why you can be
> wrong in the answer you give, but the answer is useful.
>=20
> This is also, oddly enough, why I think UUID URNs are just fine, even
> though they do not have an organizational guarantee--the cryptographic
> guarantee they provide is at least as good as the typical
> human-managed system.  So I can look at one in a system and understand
> that it is meant to be unique.
>=20
> Just my personal view, of course,
>=20
> Ted

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On Sun, Nov 25, 2012 at 4:47 AM, Larry Masinter <masinter@adobe.com> wrote:
> I'm not sure how useful it is to "capture the answer to the question:  wi=
ll this identifier ever by reassigned in the  normal course of business?"
>
> I think the question was "why bother with the extra four 'urn:' letters, =
rather than just invent a new scheme?" and it's as useful to say that about=
  blah:stuff as it is about  urn:blah:stuff, and if you are handed a URL of=
 the form "urn:blah:stuff" where you know nothing about "blah", you have no=
 more information than you would have given "blah:stuff".
>

If you mean, could the group have made "This is guaranteed not to
change, for some value of guaranteed" part of the meta-data in the
registration, rather than something signaled in the URI string, sure.
But as I'm sure you remember, there were visions at the time of using
a different resolution service to find instances of the
thing-that-a-urn-represents; had that turned out to be a common
resolution mechanism, then having a common signal to use it makes
sense.  That's not quite the language in RFC 2276, but I think the
presumption of an RDS was a driver for using a unique string.

Is it worth changing now, and converting existing URNs?  Certainly
not, as that would violate the principle they were built under.  Could
you now build a URI that had the same characteristics as a URN, but
did not use the string?  Yep.  The IESG historically would have asked
you "why isn't this a URN?", but since we're making registration
highly permissive, I'm not sure that they would really need an answer.

> (blah =3D uuid & stuff cryptographically securely randomly generated or n=
ot).
>
> I think you will have trouble defining "reassigned" and "normal course of=
 business"...
>
> During the normal course of business http://host/path  always means
>    >>> talk to the host named "host", using whatever protocol is currentl=
y meant by "http", asking for "/path" <<<<
>
> You probably mean something else by "reassigned", but there's a devil in =
the details of what it means in operational terms that make sense.
>

I mean "the registration authority, the laws of physics, or some
mathematical principle state that if I have associated *this* URN with
*that* resource, it will never be associated with a different resource
during the likely lifetime of our civilization".  DNS names are
re-assigned far more frequently than that.

regards,

Ted

> The theory I'm working on links persistence to meaning, in that, within a=
 communication from Alice, through a repository R, to Bob,
> that includes a URL/URI/URN/IRI
>
> A --- U ---> R
> R --- U -->  B
>
> Where the two transactions are time-offset, that the intention of meaning=
 by A for U is tied directly to the expected persistent behavior of B when =
interpreting U.
>
>
>
>> -----Original Message-----
>> From: Ted Hardie [mailto:ted.ietf@gmail.com]
>> Sent: Monday, November 19, 2012 8:39 AM
>> To: Larry Masinter
>> Cc: Renato Iannella; urn@ietf.org
>> Subject: Re: [urn] call for comments: an alternative 2141bis document
>>
>> On Mon, Nov 19, 2012 at 1:58 AM, Larry Masinter <masinter@adobe.com>
>> wrote:
>> >> Hi Larry....as we all know, it is impossible to say that _anything_ w=
ill be
>> >> persistent (even beyond our lifetimes) in this industry.
>>
>> While I agree that there is no way to say that anything aiming to be
>> persistent will succeed, I do think it is useful to capture the answer
>> to the question:  will this identifier ever by reassigned in the
>> normal course of business?  There are lots of reasons why you can be
>> wrong in the answer you give, but the answer is useful.
>>
>> This is also, oddly enough, why I think UUID URNs are just fine, even
>> though they do not have an organizational guarantee--the cryptographic
>> guarantee they provide is at least as good as the typical
>> human-managed system.  So I can look at one in a system and understand
>> that it is meant to be unique.
>>
>> Just my personal view, of course,
>>
>> Ted

From andy@hxr.us  Tue Nov 27 12:37:36 2012
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Subject: [urn] Transition of 2141bis and 3406bis
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All,

With respect to moving to a new, smaller document encompassing our 2141bis
goal I see that there is consensus within this working group for making
this transition. Peter Saint-Andre has also submitted a 3406bis document
consistent with the same style as his 2141bis document. For consistency,
this new document will be used as a basis for this working group's 3406bis
goal going forward.

It should be noted that these new documents are not the final output of
this working group but are simply a new basis for the development of the
milestones we must achieve, and they will be based on consensus within this
working group and the IETF in accordance with IETF practices.

With regards to the historical context and motivations described in the
current set of documents, we will seek the addition of new milestones for
Informational track RFCs in which to capture this information.

-andy, URNBIS co-chair

--f46d0420a695fcda4804cf8004d7
Content-Type: text/html; charset=ISO-8859-1
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All,<div><br></div><div>With respect to moving to a new, smaller document e=
ncompassing our 2141bis goal I see that there is consensus within this work=
ing group for making this transition.=A0<span style=3D"color:rgb(0,0,0);whi=
te-space:pre-wrap">Peter Saint-Andre has also submitted a 3406bis document =
consistent with the same style as his 2141bis document. For consistency, th=
is new document will be used as a basis for this working group&#39;s 3406bi=
s goal going forward.</span></div>
<div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap"><br></span></div=
><div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap">It should be no=
ted that these new documents are not the final output of this working group=
 but are simply a new basis for the development of the milestones we must a=
chieve, and they will be based on consensus within this working group and t=
he IETF in accordance with IETF practices.</span></div>
<div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap"><br></span></div=
><div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap">With regards to=
 the historical context and motivations described in the current set of doc=
uments, we will seek the addition of new milestones for Informational track=
 RFCs in which to capture this information.</span></div>
<div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap"><br></span></div=
><div><span style=3D"color:rgb(0,0,0);white-space:pre-wrap">-andy, URNBIS c=
o-chair</span></div>

--f46d0420a695fcda4804cf8004d7--

From stpeter@stpeter.im  Tue Nov 27 19:46:55 2012
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 11/27/12 1:37 PM, Andrew Newton wrote:
> All,
> 
> With respect to moving to a new, smaller document encompassing our 
> 2141bis goal I see that there is consensus within this working
> group for making this transition. Peter Saint-Andre has also
> submitted a 3406bis document consistent with the same style as his
> 2141bis document. For consistency, this new document will be used
> as a basis for this working group's 3406bis goal going forward.

As requested, I have submitted the following documents, which will
appear shortly in the I-D repository:

- - draft-ietf-urnbis-rfc2141bis-urn-04
- - draft-ietf-urnbis-rfc3406bis-urn-ns-reg-04

I have also checked the XML files into source control:

https://svn.tools.ietf.org/svn/wg/urnbis/

Peter

- -- 
Peter Saint-Andre
https://stpeter.im/


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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 Uniform Resource Names, Revised Working G=
roup of the IETF.

	Title           : Uniform Resource Name (URN) Syntax
	Author(s)       : Peter Saint-Andre
                          Ryan Moats
	Filename        : draft-ietf-urnbis-rfc2141bis-urn-04.txt
	Pages           : 9
	Date            : 2012-11-27

Abstract:
   A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI)
   that is intended to serve as a persistent, location-independent
   resource identifier.  The general class of URNs is differentiated
   from all other URIs through the use of the 'urn' URI scheme.  This
   document defines the canonical syntax for URNs, guidelines for URN
   namespaces, requirements for URN presentation and transmission, and
   methods for determining URN equivalence.  This document obsoletes RFC
   2141.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-urnbis-rfc2141bis-urn

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-urnbis-rfc2141bis-urn-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-urnbis-rfc2141bis-urn-04


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ftp://ftp.ietf.org/internet-drafts/


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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 Uniform Resource Names, Revised Working G=
roup of the IETF.

	Title           : Uniform Resource Name (URN) Namespace Definitions
	Author(s)       : Peter Saint-Andre
                          Leslie Daigle
                          Renato Iannella
	Filename        : draft-ietf-urnbis-rfc3406bis-urn-ns-reg-04.txt
	Pages           : 16
	Date            : 2012-11-27

Abstract:
   This document supplements the Uniform Resource Name (URN) syntax
   specification by defining the concept of a URN namespace, as well as
   mechanisms for defining and registering such namespaces.  This
   document obsoletes RFC 3406.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-urnbis-rfc3406bis-urn-ns-reg

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-urnbis-rfc3406bis-urn-ns-reg-04

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-urnbis-rfc3406bis-urn-ns-reg-=
04


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

