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To: "radext@ietf.org" <radext@ietf.org>
From: Stefan Winter <stefan.winter@restena.lu>
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Subject: [radext] Error-Cause value allocation for draft-ietf-radext-bigger-packets
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From: Stefan Winter <stefan.winter@restena.lu>
To: "radext@ietf.org" <radext@ietf.org>
Message-ID: <5767FB3C.20007@restena.lu>
Subject: Error-Cause value allocation for draft-ietf-radext-bigger-packets

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Hello,

IANA is in the process of completing the allocations of new code points
for the bigger-packets draft.

One of the two, the new Packet Type Protocol-Error, is no problem.

The other one, the new value "Response Too Big" for the Error-Cause
attribute, raises a question that we wanted to let the working group
know about and ask for opinions.

Error-Cause is defined in RFC 5176 with the following ranges:

0xx Reserved
1xx Reserved
2xx Successful Completion [of CoA exchanges]
3xx Reserved
4xx fatal errors commited by the Dynamic Authorization Client
5xx fatal errors commited by the Dynamic Authorization Server

As it happens, bigger-packets is not specific to Dynamic Authorization;
it applies to RADIUS packets in general.

So, the categories of RFC5176 above do not fit well to the
"Response-Too-Big" semantics.

After thinking about this for a bit, the cleanest approach is probably
to define two new categories:

6xx represent fatal errors committed by a RADIUS server
7xx represent fatal errors committed by a RADIUS client

And within those, allocate

601 Response Too Big

If these categories are created, there should be corresponding text in a
new rev of bigger-packets.

Please let the list know how you think about this in the next two weeks.
If noone speaks up against this, we'll continue along this path.

Greetings,

Stefan Winter

--=20
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de l'Education=
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de la Recherche
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From nobody Mon Jun 20 07:23:04 2016
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From: Alan DeKok <aland@deployingradius.com>
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To: Winter Stefan <stefan.winter@restena.lu>
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Subject: Re: [radext] Error-Cause value allocation for draft-ietf-radext-bigger-packets
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  Sounds good to me.  Since allocations for Error-Cause are "expert =
review", I think we're good to go here, barring any counter-arguments.

> On Jun 20, 2016, at 10:18 AM, Stefan Winter <stefan.winter@restena.lu> =
wrote:
>=20
> Hello,
>=20
> IANA is in the process of completing the allocations of new code =
points
> for the bigger-packets draft.
>=20
> One of the two, the new Packet Type Protocol-Error, is no problem.
>=20
> The other one, the new value "Response Too Big" for the Error-Cause
> attribute, raises a question that we wanted to let the working group
> know about and ask for opinions.
>=20
> Error-Cause is defined in RFC 5176 with the following ranges:
>=20
> 0xx Reserved
> 1xx Reserved
> 2xx Successful Completion [of CoA exchanges]
> 3xx Reserved
> 4xx fatal errors commited by the Dynamic Authorization Client
> 5xx fatal errors commited by the Dynamic Authorization Server
>=20
> As it happens, bigger-packets is not specific to Dynamic =
Authorization;
> it applies to RADIUS packets in general.
>=20
> So, the categories of RFC5176 above do not fit well to the
> "Response-Too-Big" semantics.
>=20
> After thinking about this for a bit, the cleanest approach is probably
> to define two new categories:
>=20
> 6xx represent fatal errors committed by a RADIUS server
> 7xx represent fatal errors committed by a RADIUS client
>=20
> And within those, allocate
>=20
> 601 Response Too Big
>=20
> If these categories are created, there should be corresponding text in =
a
> new rev of bigger-packets.
>=20
> Please let the list know how you think about this in the next two =
weeks.
> If noone speaks up against this, we'll continue along this path.
>=20
> Greetings,
>=20
> Stefan Winter
>=20
> --=20
> Stefan WINTER
> Ingenieur de Recherche
> Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de =
l'Education Nationale et
> de la Recherche
> 2, avenue de l'Universit=C3=A9
> L-4365 Esch-sur-Alzette
>=20
> Tel: +352 424409 1
> Fax: +352 422473
>=20
> PGP key updated to 4096 Bit RSA - I will encrypt all mails if the
> recipient's key is known to me
>=20
> http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66=

> <0x8A39DC66.asc>_______________________________________________
> radext mailing list
> radext@ietf.org
> https://www.ietf.org/mailman/listinfo/radext


From nobody Mon Jun 20 07:30:45 2016
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From: Bernard Aboba <bernard.aboba@gmail.com>
Date: Mon, 20 Jun 2016 10:30:16 -0400
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To: Alan DeKok <aland@deployingradius.com>
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Cc: Winter Stefan <stefan.winter@restena.lu>, "radext@ietf.org" <radext@ietf.org>
Subject: Re: [radext] Error-Cause value allocation for draft-ietf-radext-bigger-packets
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--94eb2c04769e370eab0535b68c68
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Sounds good to me too (I'm the Designated Expert).

On Mon, Jun 20, 2016 at 10:22 AM, Alan DeKok <aland@deployingradius.com>
wrote:

>   Sounds good to me.  Since allocations for Error-Cause are "expert
> review", I think we're good to go here, barring any counter-arguments.
>
> > On Jun 20, 2016, at 10:18 AM, Stefan Winter <stefan.winter@restena.lu>
> wrote:
> >
> > Hello,
> >
> > IANA is in the process of completing the allocations of new code points
> > for the bigger-packets draft.
> >
> > One of the two, the new Packet Type Protocol-Error, is no problem.
> >
> > The other one, the new value "Response Too Big" for the Error-Cause
> > attribute, raises a question that we wanted to let the working group
> > know about and ask for opinions.
> >
> > Error-Cause is defined in RFC 5176 with the following ranges:
> >
> > 0xx Reserved
> > 1xx Reserved
> > 2xx Successful Completion [of CoA exchanges]
> > 3xx Reserved
> > 4xx fatal errors commited by the Dynamic Authorization Client
> > 5xx fatal errors commited by the Dynamic Authorization Server
> >
> > As it happens, bigger-packets is not specific to Dynamic Authorization;
> > it applies to RADIUS packets in general.
> >
> > So, the categories of RFC5176 above do not fit well to the
> > "Response-Too-Big" semantics.
> >
> > After thinking about this for a bit, the cleanest approach is probably
> > to define two new categories:
> >
> > 6xx represent fatal errors committed by a RADIUS server
> > 7xx represent fatal errors committed by a RADIUS client
> >
> > And within those, allocate
> >
> > 601 Response Too Big
> >
> > If these categories are created, there should be corresponding text in =
a
> > new rev of bigger-packets.
> >
> > Please let the list know how you think about this in the next two weeks=
.
> > If noone speaks up against this, we'll continue along this path.
> >
> > Greetings,
> >
> > Stefan Winter
> >
> > --
> > Stefan WINTER
> > Ingenieur de Recherche
> > Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de l'Educati=
on Nationale et
> > de la Recherche
> > 2, avenue de l'Universit=C3=A9
> > L-4365 Esch-sur-Alzette
> >
> > Tel: +352 424409 1
> > Fax: +352 422473
> >
> > PGP key updated to 4096 Bit RSA - I will encrypt all mails if the
> > recipient's key is known to me
> >
> > http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC6=
6
> > <0x8A39DC66.asc>_______________________________________________
> > radext mailing list
> > radext@ietf.org
> > https://www.ietf.org/mailman/listinfo/radext
>
> _______________________________________________
> radext mailing list
> radext@ietf.org
> https://www.ietf.org/mailman/listinfo/radext
>

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<div dir=3D"ltr">Sounds good to me too (I&#39;m the Designated Expert).=C2=
=A0</div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Mon, =
Jun 20, 2016 at 10:22 AM, Alan DeKok <span dir=3D"ltr">&lt;<a href=3D"mailt=
o:aland@deployingradius.com" target=3D"_blank">aland@deployingradius.com</a=
>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">=C2=A0 Sounds good to=
 me.=C2=A0 Since allocations for Error-Cause are &quot;expert review&quot;,=
 I think we&#39;re good to go here, barring any counter-arguments.<br>
<div><div class=3D"h5"><br>
&gt; On Jun 20, 2016, at 10:18 AM, Stefan Winter &lt;<a href=3D"mailto:stef=
an.winter@restena.lu">stefan.winter@restena.lu</a>&gt; wrote:<br>
&gt;<br>
&gt; Hello,<br>
&gt;<br>
&gt; IANA is in the process of completing the allocations of new code point=
s<br>
&gt; for the bigger-packets draft.<br>
&gt;<br>
&gt; One of the two, the new Packet Type Protocol-Error, is no problem.<br>
&gt;<br>
&gt; The other one, the new value &quot;Response Too Big&quot; for the Erro=
r-Cause<br>
&gt; attribute, raises a question that we wanted to let the working group<b=
r>
&gt; know about and ask for opinions.<br>
&gt;<br>
&gt; Error-Cause is defined in RFC 5176 with the following ranges:<br>
&gt;<br>
&gt; 0xx Reserved<br>
&gt; 1xx Reserved<br>
&gt; 2xx Successful Completion [of CoA exchanges]<br>
&gt; 3xx Reserved<br>
&gt; 4xx fatal errors commited by the Dynamic Authorization Client<br>
&gt; 5xx fatal errors commited by the Dynamic Authorization Server<br>
&gt;<br>
&gt; As it happens, bigger-packets is not specific to Dynamic Authorization=
;<br>
&gt; it applies to RADIUS packets in general.<br>
&gt;<br>
&gt; So, the categories of RFC5176 above do not fit well to the<br>
&gt; &quot;Response-Too-Big&quot; semantics.<br>
&gt;<br>
&gt; After thinking about this for a bit, the cleanest approach is probably=
<br>
&gt; to define two new categories:<br>
&gt;<br>
&gt; 6xx represent fatal errors committed by a RADIUS server<br>
&gt; 7xx represent fatal errors committed by a RADIUS client<br>
&gt;<br>
&gt; And within those, allocate<br>
&gt;<br>
&gt; 601 Response Too Big<br>
&gt;<br>
&gt; If these categories are created, there should be corresponding text in=
 a<br>
&gt; new rev of bigger-packets.<br>
&gt;<br>
&gt; Please let the list know how you think about this in the next two week=
s.<br>
&gt; If noone speaks up against this, we&#39;ll continue along this path.<b=
r>
&gt;<br>
&gt; Greetings,<br>
&gt;<br>
&gt; Stefan Winter<br>
&gt;<br>
&gt; --<br>
&gt; Stefan WINTER<br>
&gt; Ingenieur de Recherche<br>
&gt; Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de l&#39;Ed=
ucation Nationale et<br>
&gt; de la Recherche<br>
&gt; 2, avenue de l&#39;Universit=C3=A9<br>
&gt; L-4365 Esch-sur-Alzette<br>
&gt;<br>
&gt; Tel: +352 424409 1<br>
&gt; Fax: +352 422473<br>
&gt;<br>
&gt; PGP key updated to 4096 Bit RSA - I will encrypt all mails if the<br>
&gt; recipient&#39;s key is known to me<br>
&gt;<br>
&gt; <a href=3D"http://pgp.mit.edu:11371/pks/lookup?op=3Dget&amp;search=3D0=
xC0DE6A358A39DC66" rel=3D"noreferrer" target=3D"_blank">http://pgp.mit.edu:=
11371/pks/lookup?op=3Dget&amp;search=3D0xC0DE6A358A39DC66</a><br>
</div></div>&gt; &lt;0x8A39DC66.asc&gt;____________________________________=
___________<br>
&gt; radext mailing list<br>
&gt; <a href=3D"mailto:radext@ietf.org">radext@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/radext" rel=3D"norefe=
rrer" target=3D"_blank">https://www.ietf.org/mailman/listinfo/radext</a><br=
>
<br>
_______________________________________________<br>
radext mailing list<br>
<a href=3D"mailto:radext@ietf.org">radext@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/radext" rel=3D"noreferrer"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/radext</a><br>
</blockquote></div><br></div>

--94eb2c04769e370eab0535b68c68--


From nobody Wed Jun 22 06:56:34 2016
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Subject: [radext] I-D Action: draft-ietf-radext-datatypes-04.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 RADIUS EXTensions of the IETF.

        Title           : Data Types in the Remote Authentication Dial-In User Service Protocol (RADIUS)
        Author          : Alan DeKok
	Filename        : draft-ietf-radext-datatypes-04.txt
	Pages           : 37
	Date            : 2016-06-22

Abstract:
   RADIUS specifications have used data types for two decades without
   defining them as managed entities.  During this time, RADIUS
   implementations have named the data types, and have used them in
   attribute definitions.  This document updates the specifications to
   better follow established practice.  We do this by naming the data
   types defined in RFC 6158, which have been used since at least RFC
   2865.  We provide an IANA registry for the data types, and update the
   RADIUS Attribute Type registry to include a "Data Type" field for
   each attribute.  Finally, we recommend that authors of RADIUS
   specifications use these types in preference to existing practice.


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

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-radext-datatypes-04

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-radext-datatypes-04


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 Wed Jun 22 06:57:57 2016
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From: Alan DeKok <aland@deployingradius.com>
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  The only change in this draft is text explaining why the format of the =
"ipv4prefix" data type has changed from RFC 6572, and why that change is =
fine.

> On Jun 22, 2016, at 9:56 AM, internet-drafts@ietf.org wrote:
>=20
>=20
> A New Internet-Draft is available from the on-line Internet-Drafts =
directories.
> This draft is a work item of the RADIUS EXTensions of the IETF.
>=20
>        Title           : Data Types in the Remote Authentication =
Dial-In User Service Protocol (RADIUS)
>        Author          : Alan DeKok
> 	Filename        : draft-ietf-radext-datatypes-04.txt
> 	Pages           : 37
> 	Date            : 2016-06-22
>=20
> Abstract:
>   RADIUS specifications have used data types for two decades without
>   defining them as managed entities.  During this time, RADIUS
>   implementations have named the data types, and have used them in
>   attribute definitions.  This document updates the specifications to
>   better follow established practice.  We do this by naming the data
>   types defined in RFC 6158, which have been used since at least RFC
>   2865.  We provide an IANA registry for the data types, and update =
the
>   RADIUS Attribute Type registry to include a "Data Type" field for
>   each attribute.  Finally, we recommend that authors of RADIUS
>   specifications use these types in preference to existing practice.
>=20
>=20
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-radext-datatypes/
>=20
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-radext-datatypes-04
>=20
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-radext-datatypes-04
>=20
>=20
> 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.
>=20
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>=20
> _______________________________________________
> radext mailing list
> radext@ietf.org
> https://www.ietf.org/mailman/listinfo/radext


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Subject: Re: [radext] I-D Action: draft-ietf-radext-datatypes-04.txt
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From: Stefan Winter <stefan.winter@restena.lu>
To: Alan DeKok <aland@deployingradius.com>, radext@ietf.org
Message-ID: <576CDAA4.8010103@restena.lu>
Subject: Re: [radext] I-D Action: draft-ietf-radext-datatypes-04.txt
References: <20160622135633.10983.27461.idtracker@ietfa.amsl.com>
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Hello,

thanks for the update.

As I'm finalising the write-up: idnits makes a remark about a
non-existent pre-5378 disclaimer.

If you copy&pasted text from those of the specifications that your draft
updates and which are pre-5378 themselves, that action may lead to the
necessity for the disclaimer (if you didn't contact the original authors
for a clearance).

Can you confirm that no such text import happened, and that a pre-5378
disclaimer is not necessary?

Greetings,

Stefan Winter

Am 22.06.2016 um 15:57 schrieb Alan DeKok:
>   The only change in this draft is text explaining why the format of th=
e "ipv4prefix" data type has changed from RFC 6572, and why that change i=
s fine.
>
>> On Jun 22, 2016, at 9:56 AM, internet-drafts@ietf.org wrote:
>>
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts dir=
ectories.
>> This draft is a work item of the RADIUS EXTensions of the IETF.
>>
>>        Title           : Data Types in the Remote Authentication Dial-=
In User Service Protocol (RADIUS)
>>        Author          : Alan DeKok
>> 	Filename        : draft-ietf-radext-datatypes-04.txt
>> 	Pages           : 37
>> 	Date            : 2016-06-22
>>
>> Abstract:
>>   RADIUS specifications have used data types for two decades without
>>   defining them as managed entities.  During this time, RADIUS
>>   implementations have named the data types, and have used them in
>>   attribute definitions.  This document updates the specifications to
>>   better follow established practice.  We do this by naming the data
>>   types defined in RFC 6158, which have been used since at least RFC
>>   2865.  We provide an IANA registry for the data types, and update th=
e
>>   RADIUS Attribute Type registry to include a "Data Type" field for
>>   each attribute.  Finally, we recommend that authors of RADIUS
>>   specifications use these types in preference to existing practice.
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-ietf-radext-datatypes/
>>
>> There's also a htmlized version available at:
>> https://tools.ietf.org/html/draft-ietf-radext-datatypes-04
>>
>> A diff from the previous version is available at:
>> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-radext-datatypes-04
>>
>>
>> Please note that it may take a couple of minutes from the time of subm=
ission
>> 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/
>>
>> _______________________________________________
>> radext mailing list
>> radext@ietf.org
>> https://www.ietf.org/mailman/listinfo/radext


--=20
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - R=E9seau T=E9l=E9informatique de l'Education National=
e et de la Recherche
2, avenue de l'Universit=E9
L-4365 Esch-sur-Alzette

Tel: +352 424409 1
Fax: +352 422473

PGP key updated to 4096 Bit RSA - I will encrypt all mails if the recipie=
nt's key is known to me

http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66


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Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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Hello,

> Thank you for taking the time to review the I-D, your comments are very=
 valuable indeed and we will provide a more precise version based on your=
 comments.

Just a reminder: if you want to present about this topic at IETF96, it
would be good to have this revised draft out before the draft submission
deadline (which is 08 July).

Also plesae do signal whether you want a talking slot at IETF96 or not.

Greetings,

Stefan Winter

--=20
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de l'Education=
 Nationale et de la Recherche
2, avenue de l'Universit=C3=A9
L-4365 Esch-sur-Alzette

Tel: +352 424409 1
Fax: +352 422473

PGP key updated to 4096 Bit RSA - I will encrypt all mails if the recipie=
nt's key is known to me

http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66


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Cc: Stefan Winter <stefan.winter@restena.lu>
Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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(No hats, I've been reading a bit about LoRa recently...)

On 24/06/16 08:22, Stefan Winter wrote:
> Hello,
>=20
>> Thank you for taking the time to review the I-D, your comments are
>> very valuable indeed and we will provide a more precise version
>> based on your comments.
>=20
> Just a reminder: if you want to present about this topic at IETF96,
> it would be good to have this revised draft out before the draft
> submission deadline (which is 08 July).

I'd be interested in knowing how, in figure 2, the radius client
finds the right radius server. If that's suggested to use the
AppEUI, then a) ick, and b) I don't see how that would scale, if
we assume many networks and many applications.

I also think that the draft ought explain the various keys involved
and their uses. Not in the full detail that's in the LoRa spec
but enough so that a reader of this can understand the consequences
of handling the keys like this - which wasn't clear to me.

And I'd second Alan's comments too, but would note that at least
from my POV, it's entirely fine and to be expected that a -00
about a technology not previously seen at the IETF needs plenty
of work, and we should be trying to help the authors if we can.

Cheers,
S.

>=20
> Also plesae do signal whether you want a talking slot at IETF96 or
> not.
>=20
> Greetings,
>=20
> Stefan Winter
>=20
>=20
>=20
> _______________________________________________ radext mailing list=20
> radext@ietf.org https://www.ietf.org/mailman/listinfo/radext
>=20


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From nobody Fri Jun 24 04:10:18 2016
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On Jun 24, 2016, at 3:00 AM, Stefan Winter <stefan.winter@restena.lu> =
wrote:
> As I'm finalising the write-up: idnits makes a remark about a
> non-existent pre-5378 disclaimer.
>=20
> If you copy&pasted text from those of the specifications that your =
draft
> updates and which are pre-5378 themselves, that action may lead to the
> necessity for the disclaimer (if you didn't contact the original =
authors
> for a clearance).
>=20
> Can you confirm that no such text import happened, and that a pre-5378
> disclaimer is not necessary?

  A quick review shows that no such import happened.  The older text =
describing data types was either minimal, or specific to an attribute.

  The text in this draft has a much larger discussion around what the =
data type is, what limitations there are (if any), and how it should be =
used in new specifications.

  Alan DeKok.


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Subject: Re: [radext] I-D Action: draft-ietf-radext-datatypes-04.txt
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 <1B51E4D0-D929-49BB-81A0-F54C478C1A0E@deployingradius.com>
 <576CDAA4.8010103@restena.lu>
 <B4278253-0B51-4968-86BC-F6A873DE177F@deployingradius.com>
In-Reply-To: <B4278253-0B51-4968-86BC-F6A873DE177F@deployingradius.com>

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Hi,

thanks for this confirmation. That was the last open issue on my checklis=
t.

I've uploaded the shepherd write-up and have now requested publication
of this document as RFC.

Greetings,

Stefan Winter

Am 24.06.2016 um 13:10 schrieb Alan DeKok:
> On Jun 24, 2016, at 3:00 AM, Stefan Winter <stefan.winter@restena.lu> w=
rote:
>> As I'm finalising the write-up: idnits makes a remark about a
>> non-existent pre-5378 disclaimer.
>>
>> If you copy&pasted text from those of the specifications that your dra=
ft
>> updates and which are pre-5378 themselves, that action may lead to the=

>> necessity for the disclaimer (if you didn't contact the original autho=
rs
>> for a clearance).
>>
>> Can you confirm that no such text import happened, and that a pre-5378=

>> disclaimer is not necessary?
>   A quick review shows that no such import happened.  The older text de=
scribing data types was either minimal, or specific to an attribute.
>
>   The text in this draft has a much larger discussion around what the d=
ata type is, what limitations there are (if any), and how it should be us=
ed in new specifications.
>
>   Alan DeKok.
>


--=20
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - R=E9seau T=E9l=E9informatique de l'Education National=
e et de la Recherche
2, avenue de l'Universit=E9
L-4365 Esch-sur-Alzette

Tel: +352 424409 1
Fax: +352 422473

PGP key updated to 4096 Bit RSA - I will encrypt all mails if the recipie=
nt's key is known to me

http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66


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From nobody Fri Jun 24 07:00:01 2016
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To: "radext@ietf.org" <radext@ietf.org>
From: Stefan Winter <stefan.winter@restena.lu>
Openpgp: id=AD3091F3AB24E05F4F722C03C0DE6A358A39DC66; url=http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC0DE6A358A39DC66
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Date: Fri, 24 Jun 2016 15:59:53 +0200
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Subject: [radext] Call for agenda items
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From: Stefan Winter <stefan.winter@restena.lu>
To: "radext@ietf.org" <radext@ietf.org>
Message-ID: <576D3CD9.1000600@restena.lu>
Subject: Call for agenda items

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Hello,

according to the preliminary agenda, we'll be meeting on Thursday, 21.
July, 1830 local time.

Please let the chairs know if you want to present on something. Also let
us know if you need MeetEcho support for your presentation.

Greetings,

Stefan Winter

--=20
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de l'Education=
 Nationale et de la Recherche
2, avenue de l'Universit=C3=A9
L-4365 Esch-sur-Alzette

Tel: +352 424409 1
Fax: +352 422473

PGP key updated to 4096 Bit RSA - I will encrypt all mails if the recipie=
nt's key is known to me

http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66


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From nobody Fri Jun 24 09:01:39 2016
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Subject: [radext] radext - Requested session has been scheduled for IETF 96
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Dear Stefan Winter,

The session(s) that you have requested have been scheduled.
Below is the scheduled session information followed by
the original request. 

radext Session 1 (1:00:00)
    Thursday, Afternoon Session III 1830-1930
    Room Name: Charlottenburg I size: 80
    ---------------------------------------------
    


Request Information:


---------------------------------------------------------
Working Group Name: RADIUS EXTensions
Area Name: Operations and Management Area
Session Requester: Stefan Winter

Number of Sessions: 1
Length of Session(s):  1 Hour
Number of Attendees: 15
Conflicts to Avoid: 
 First Priority: dime 6man v6ops dmm abfab oauth saag
 Second Priority: spring sfc rtcweb 6lo ace httpauth mile ipsecme



Special Requests:
  We were on the &quot;graveyard shift&quot; last time - very last slot Friday afternoon. This led to extremely low attendance. Can someone else get that slot this time? Thanks!
---------------------------------------------------------


From nobody Mon Jun 27 01:30:37 2016
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Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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Dear Stefan:

We are working on the revised version. One of our co-authors will be in =
Berlin so we can present it. Thank you.=20

Best Regards.

> El 24 jun 2016, a las 9:22, Stefan Winter <stefan.winter@restena.lu> =
escribi=C3=B3:
>=20
> Hello,
>=20
>> Thank you for taking the time to review the I-D, your comments are =
very valuable indeed and we will provide a more precise version based on =
your comments.
>=20
> Just a reminder: if you want to present about this topic at IETF96, it
> would be good to have this revised draft out before the draft =
submission
> deadline (which is 08 July).
>=20
> Also plesae do signal whether you want a talking slot at IETF96 or =
not.
>=20
> Greetings,
>=20
> Stefan Winter
>=20
> --=20
> Stefan WINTER
> Ingenieur de Recherche
> Fondation RESTENA - R=C3=A9seau T=C3=A9l=C3=A9informatique de =
l'Education Nationale et de la Recherche
> 2, avenue de l'Universit=C3=A9
> L-4365 Esch-sur-Alzette
>=20
> Tel: +352 424409 1
> Fax: +352 422473
>=20
> PGP key updated to 4096 Bit RSA - I will encrypt all mails if the =
recipient's key is known to me
>=20
> http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xC0DE6A358A39DC66=

>=20
> <0x8A39DC66.asc>_______________________________________________
> radext mailing list
> radext@ietf.org
> https://www.ietf.org/mailman/listinfo/radext

-------------------------------------------------------
Rafael Marin Lopez, PhD
Dept. Information and Communications Engineering (DIIC)
Faculty of Computer Science-University of Murcia
30100 Murcia - Spain
Telf: +34868888501 Fax: +34868884151 e-mail: rafa@um.es
-------------------------------------------------------





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Cc: radext@ietf.org, dan.garcia@um.es, Rafa Marin Lopez <rafa@um.es>, Stefan Winter <stefan.winter@restena.lu>
Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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Dear Stephen

Thank you for reading our I-D. Please see some comments inline.
> El 24 jun 2016, a las 10:35, Stephen Farrell =
<stephen.farrell@cs.tcd.ie> escribi=C3=B3:
>=20
>=20
> (No hats, I've been reading a bit about LoRa recently...)
>=20
> On 24/06/16 08:22, Stefan Winter wrote:
>> Hello,
>>=20
>>> Thank you for taking the time to review the I-D, your comments are
>>> very valuable indeed and we will provide a more precise version
>>> based on your comments.
>>=20
>> Just a reminder: if you want to present about this topic at IETF96,
>> it would be good to have this revised draft out before the draft
>> submission deadline (which is 08 July).
>=20
> I'd be interested in knowing how, in figure 2, the radius client
> finds the right radius server. If that's suggested to use the
> AppEUI, then a) ick, and b) I don't see how that would scale, if
> we assume many networks and many applications.

This is an important question. In fact, we have already discussed this =
internally after some related comments we have received.=20

According to LoRaWAN =09

"The AppEUI is a global application ID in IEEE EUI64 address space that =
uniquely identifies the application provider (i.e., owner) of the =
end-device.=E2=80=9D

 As far as I can see it, those should provide a good amount of potential =
owners. But that limitation is imposed by the specification in any case. =
Having said that, regarding the right radius server, it seems that some =
kind of mapping or discovery between an EUI64 identifier and a FQDN is =
required. One possible solution is using DNS =
(https://tools.ietf.org/html/rfc7043). In my opinion, that RFC is =
something similar what we are looking for.=20

what do you think?

>=20
> I also think that the draft ought explain the various keys involved
> and their uses. Not in the full detail that's in the LoRa spec
> but enough so that a reader of this can understand the consequences
> of handling the keys like this - which wasn't clear to me.

Point taken, thanks. We will update the I-D accordingly.

>=20
> And I'd second Alan's comments too, but would note that at least
> from my POV, it's entirely fine and to be expected that a -00
> about a technology not previously seen at the IETF needs plenty
> of work, and we should be trying to help the authors if we can.

Yes, we hope next version will be more detailed.

Best Regards.

> Cheers,
> S.
>=20
>>=20
>> Also plesae do signal whether you want a talking slot at IETF96 or
>> not.
>>=20
>> Greetings,
>>=20
>> Stefan Winter
>>=20
>>=20
>>=20
>> _______________________________________________ radext mailing list=20=

>> radext@ietf.org https://www.ietf.org/mailman/listinfo/radext
>>=20
>=20
> _______________________________________________
> radext mailing list
> radext@ietf.org
> https://www.ietf.org/mailman/listinfo/radext

-------------------------------------------------------
Rafael Marin Lopez, PhD
Dept. Information and Communications Engineering (DIIC)
Faculty of Computer Science-University of Murcia
30100 Murcia - Spain
Telf: +34868888501 Fax: +34868884151 e-mail: rafa@um.es
-------------------------------------------------------





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Subject: Re: [radext] LoRaWAN Authentication in RADIUS
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Hiya,

On 27/06/16 10:02, Rafa Marin Lopez wrote:
> Dear Stephen
>=20
> Thank you for reading our I-D. Please see some comments inline.
>> El 24 jun 2016, a las 10:35, Stephen Farrell
>> <stephen.farrell@cs.tcd.ie> escribi=C3=B3:
>>=20
>>=20
>> (No hats, I've been reading a bit about LoRa recently...)
>>=20
>> On 24/06/16 08:22, Stefan Winter wrote:
>>> Hello,
>>>=20
>>>> Thank you for taking the time to review the I-D, your comments
>>>> are very valuable indeed and we will provide a more precise
>>>> version based on your comments.
>>>=20
>>> Just a reminder: if you want to present about this topic at
>>> IETF96, it would be good to have this revised draft out before
>>> the draft submission deadline (which is 08 July).
>>=20
>> I'd be interested in knowing how, in figure 2, the radius client=20
>> finds the right radius server. If that's suggested to use the=20
>> AppEUI, then a) ick, and b) I don't see how that would scale, if we
>> assume many networks and many applications.
>=20
> This is an important question. In fact, we have already discussed
> this internally after some related comments we have received.
>=20
> According to LoRaWAN
>=20
> "The AppEUI is a global application ID in IEEE EUI64 address space
> that uniquely identifies the application provider (i.e., owner) of
> the end-device.=E2=80=9D

Right - ISTM odd to assume that the application provider is the owner
of the device, so I don't know how that will pan out, at scale.

>=20
> As far as I can see it, those should provide a good amount of
> potential owners. But that limitation is imposed by the specification
> in any case.=20

Perhaps that's something that needs revisiting in the LoRA specs
as those evolve.

> Having said that, regarding the right radius server, it
> seems that some kind of mapping or discovery between an EUI64
> identifier and a FQDN is required. One possible solution is using DNS
> (https://tools.ietf.org/html/rfc7043). In my opinion, that RFC is
> something similar what we are looking for.
>=20
> what do you think?

While that RR might syntactically work, I'm not at all sure
that every AppEUI can map to a unique FQDN via the DNS. That
RFC also says that it's really for "private DNS namespaces"
which isn't what you're after here I think.

ISTM that LoRa really needs some kind of domain identifier
(that can map to a dns name) in the deployed device for this
stuff to be able to scale well. (And as you say, that's not
currently part of the LoRa protocol.)

I'd also not be surprised if other uses of LoRa also had a
similar need for an identifier that allows routing of some
sort. (And that'd maybe have to be MAC'd using the application
keys or something.)

Cheers,
S.

>=20
>>=20
>> I also think that the draft ought explain the various keys
>> involved and their uses. Not in the full detail that's in the LoRa
>> spec but enough so that a reader of this can understand the
>> consequences of handling the keys like this - which wasn't clear to
>> me.
>=20
> Point taken, thanks. We will update the I-D accordingly.
>=20
>>=20
>> And I'd second Alan's comments too, but would note that at least=20
>> from my POV, it's entirely fine and to be expected that a -00 about
>> a technology not previously seen at the IETF needs plenty of work,
>> and we should be trying to help the authors if we can.
>=20
> Yes, we hope next version will be more detailed.
>=20
> Best Regards.
>=20
>> Cheers, S.
>>=20
>>>=20
>>> Also plesae do signal whether you want a talking slot at IETF96
>>> or not.
>>>=20
>>> Greetings,
>>>=20
>>> Stefan Winter
>>>=20
>>>=20
>>>=20
>>> _______________________________________________ radext mailing
>>> list radext@ietf.org
>>> https://www.ietf.org/mailman/listinfo/radext
>>>=20
>>=20
>> _______________________________________________ radext mailing
>> list radext@ietf.org https://www.ietf.org/mailman/listinfo/radext
>=20
> ------------------------------------------------------- Rafael Marin
> Lopez, PhD Dept. Information and Communications Engineering (DIIC)=20
> Faculty of Computer Science-University of Murcia 30100 Murcia -
> Spain Telf: +34868888501 Fax: +34868884151 e-mail: rafa@um.es=20
> -------------------------------------------------------
>=20
>=20
>=20
>=20
>=20


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