
From alexandru.petrescu@gmail.com  Thu Nov  1 17:31:15 2012
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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [netext] Review of I-D: draft-ietf-netext-pd-pmip-01
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Le 10/11/2011 20:36, Sri Gundavelli a écrit :
> I agree. I think we should simply assume the DHCPv6 server and the
> LMA are collocated. For the split case, we loosely specify the
> assumptions and the interface should be out of scope.

In case LMA is separated from the DHCPv6 Server we propose two message
exchange diagrams, depending on whether or not the DHCP Server can be
modified or not.  The proposals are in the individual submission
draft-petrescu-netext-pmip-nemo-01 pages 8 and 9.

What are the assumptions that you refer to above?

Alex

>
>
> Sri
>
>
> On 11/10/11 1:29 PM, "Basavaraj.Patil@nokia.com"
> <Basavaraj.Patil@nokia.com> wrote:
>
>>
>> Inline:
>>
>> On 11/10/11 2:21 PM, "ext jouni korhonen" <jouni.nospam@gmail.com>
>> wrote:
>>
>>> Raj,
>>>
>>> On Nov 10, 2011, at 2:30 PM, zhou.xingyue@zte.com.cn wrote:
>>>
>>>>> 4. If the prefixes (delegated) are provided by a DHCP server
>>>>> (and not the LMA), how does the LMA get informed about these?
>>>>> In the PBU? How do you ensure that "All the mobile network
>>>>> prefixes managed in the DR MUST be reachable via local
>>>>> mobility anchor (LMA)" when they are not assigned by the
>>>>> LMA?
>>>> [Joy]Here it assumes that the LMA can interact with the DHCPv6
>>>> Server within some other mechanisms e.g. Radius.
>>>
>>> The situation is the same as with PMIP6 and DHCPv6 in general.
>>> The DHCPv6 server and the LMA has to be in sync. There is no need
>>> for an interface as everything can be managed with configuration.
>>> But that does not preclude having an interface between the LMA
>>> and the DHCPv6 server.
>>
>> How do you keep the DHCPv6 server and the LMA in sync? Is it
>> considered out-of-scope and the actual method about how they are
>> synced not specified? If the DHCPv6 server and LMA are co-located,
>> it could be easier. If they are not, then it may be an issue. The
>> argument that you can use a Radius type interface between DHCPv6
>> server and the LMA is not good enough. Is there such a
>> specification? The Netext WG has only specified the RADIUS
>> interactions between a AAA server and the MAG/LMA entities.
>>
>> -Raj
>>
>>>
>>> - Jouni
>>>
>>>
>>>
>>
>> _______________________________________________ netext mailing
>> list netext@ietf.org https://www.ietf.org/mailman/listinfo/netext
>
> _______________________________________________ netext mailing list
> netext@ietf.org https://www.ietf.org/mailman/listinfo/netext
>



From bpatil1@gmail.com  Fri Nov  2 12:27:38 2012
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Hello,

If you are on the agenda, please send me your slides by Sunday (11/4) noon
at the latest. If I do not get slides by 4 PM on Sunday, you may not be on
the agenda.

-Raj

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<div><br></div>Hello,<div><br></div><div>If you are on the agenda, please send me your slides by Sunday (11/4) noon at the latest. If I do not get slides by 4 PM on Sunday, you may not be on the agenda.</div><div><br></div>
<div>-Raj<br clear="all"><div><br></div>
</div>

--e89a8f3b9e8fd9d97b04cd88204d--

From sarikaya2012@gmail.com  Sun Nov  4 08:23:32 2012
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From: Behcet Sarikaya <sarikaya2012@gmail.com>
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Subject: Re: [netext] draft-ietf-netext-pmipv6-flowmob-04 Section 5.1
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Hi Carlos,

Please see inline.

Regards,

Behcet

On Mon, Oct 22, 2012 at 12:32 PM, Carlos Jes=FAs Bernardos Cano
<cjbc@it.uc3m.es> wrote:
> Hi Behcet,
>
> On Tue, 2012-10-16 at 15:20 -0500, Behcet Sarikaya wrote:
>> Hi Carlos,
>>
>> My comments below.
>>
>> Regards,
>>
>> Behcet
>>
>> On Mon, Oct 8, 2012 at 2:28 AM, Carlos Jes=FAs Bernardos Cano
>> <cjbc@it.uc3m.es> wrote:
>> > Hi Behcet,
>> >
>> > On Mon, 2012-10-01 at 16:31 -0500, Behcet Sarikaya wrote:
>> >> Hi Carlos,
>> >>
>> >> Section 5.1 is entitled Multiple Care-of Address Registration. In
>> >> PMIPv6 there is no care-address so there can not be care-of address
>> >> registration, right?
>> >
>> > Would "Multiple Proxy Care-of Address Registration" suit you?
>> >
>>
>> Yes, it would be better. Also you need to distinguish home and visited
>> link registrations from simultaneously connected interfaces, similar
>> to RFC 5648. Feel free to take a look at
>> draft-sarikaya-netext-flowmob-ext-00. When you do this, it will be
>> easier for a MAG to know the interface of MN it serves is a home link
>> or visited link.
>>
>> Base PMIPv6 needs to be modified to enable multiple proxy care-of
>> address registrations, i.e. binding cache modifications are needed.
>
> This is already mentioned in the draft. I've tried to make it more clear
> in the next revision.
>

Sorry I did not have time to check the revision yet.

>>
>>
>> >>
>> >> In Figure 7, you have BID. This is adopted from RFC 5648.
>> >>
>> >> Can we really adopt BID in PMIPv6? Please refer to Section 3 in
>> >> draft-sarikaya-netext-flowmob-ext-00, unfortunately BID loses its
>> >> meaning in PMIPv6.
>> >
>> > I don't quite follow this. We are proposing to reuse some mechanisms (=
as
>> > RFC 5648) to avoid redoing the whole thing.
>> >
>>
>> Well, not everything in RFC 5648 applies to PMIPv6. BID does not apply.
>> So you need to reuse whatever applies or needed.
>
> Why BID does not apply? If the BC is extended to support multiple
> registrations, you need an identifier for each of them. The BID is used
> for that.
>

Here is a quote from draft-sarikaya-netext-flowmob-ext-00:
BID is mainly
   defined for multiple-interfaced mobile nodes with Mobile IPv6
   functionalities.  The BID is an identification number used to
   distinguish multiple bindings REGISTERED BY the MOBILE NODE.  Each
   BID is GENERATED and MANAGED by a MOBILE NODE in Mobile IPv6.  In
   Proxy Mobile IPv6, MOBILITY MANAGEMENT of MOBILE NODES WITH
MULTIPLE INTERFACES IS RUN in DIFFERENT INDEPENDENT MAGs, and BID
loses its
   meaning.

I capitalized the words that carry the main idea, which I think you
may have missed.

You seem to be of the opinion that you can use RFC 5648 and RFC 6089
as is in PMIPv6.

Yes, maybe you can but then you need MIPv6 MN not PMIPv6 MN. You also
need HA of MIPv6, not LMA of PMIPv6.

And then people will ask, why do we need a draft on PMIPv6 flow
mobility support, just use MIPv6 mobility solution with a MIPv6 client
on your MN.


I think that this is the main issue in Sections 3.2.2 and 3.2.3.

Regards,

Behcet

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From alexandru.petrescu@gmail.com  Mon Nov  5 14:02:56 2012
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Date: Mon, 05 Nov 2012 23:02:18 +0100
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: [netext] about the mMAG draft, and network mobility for PMIP
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I wanted to say at the mic.

I read this mMAG draft.  I also read the netext wg ig pmip prefix
delegation.  Additioally, I co-authored another draft about pmip and
network mobility.

I think overall we may have an issue here about the lack of a problemm
statement draft for pmip network mobility.  I do not consider it
blocking but it does backfire a bit here, if I can say so.

One interesting aspect of mMAG (other than that it can work) is that it
does not use DHCP at all.  You Raj asked which operator would be
interested in this mMAG concept - well any which does not implement
DHCP-PD today, and there are many I think.

One differentiating advantageous aspect in the netext wg item pmip
prefix delegation is that it delegates a v6 as well as a v4 prefix.  But
it has the inconvenient of requiring mandatorily the GRE encapsulation
(other kind sof encapsulaiton exist as well.

Alex


From seiljeon@av.it.pt  Tue Nov  6 05:20:13 2012
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Subject: Re: [netext] about the mMAG draft, and network mobility for PMIP
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Hi Alex,

Thanks for  your comment.
Please see [Seil] inline.

Regards,
Seil

-----Original Message-----
From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf Of
Alexandru Petrescu
Sent: Monday, November 05, 2012 10:02 PM
To: netext@ietf.org
Subject: [netext] about the mMAG draft, and network mobility for PMIP

I wanted to say at the mic.

I read this mMAG draft.  I also read the netext wg ig pmip prefix
delegation.  Additioally, I co-authored another draft about pmip and network
mobility.

I think overall we may have an issue here about the lack of a problemm
statement draft for pmip network mobility.  I do not consider it blocking
but it does backfire a bit here, if I can say so.

One interesting aspect of mMAG (other than that it can work) is that it does
not use DHCP at all.  You Raj asked which operator would be interested in
this mMAG concept - well any which does not implement DHCP-PD today, and
there are many I think.

[Seil] As I told after the meeting, PMIPv6 specified stateless IP address
configuration, right? And I believe we don't need to limit IP address
configuration method with DHCP only in network mobility, even on business
model. Main issue, in operator perspective, would not be the use of DHCP or
not but how to arrange NEMO concept aligned with existing PMIPv6 protocol.

One differentiating advantageous aspect in the netext wg item pmip prefix
delegation is that it delegates a v6 as well as a v4 prefix.  But it has the
inconvenient of requiring mandatorily the GRE encapsulation (other kind sof
encapsulaiton exist as well.


Alex

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From seiljeon@av.it.pt  Tue Nov  6 05:28:44 2012
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Subject: [netext] Additional comments for mMAG presentation
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Hi folks,

 

On the mMAG presentation in the meeting, I think allocated slot might not be
enough to have full discussion.

Let me give explanation about the substance of mMAG proposed in our slide
again.

 

As I presented, the mMAG is 'SEEN' as one of MNs in MAG perspective but this
is not a 'MN' like mobile device you simply have. That is a 'ROUTER' managed
by the operators. So you can imagine same level of security association
between mMAG and LMA as the MAG and LMA has.

 

And this use case and the need are usually reasonable when considering real
deployment. Of course, we will update this use case of NEMO in next version.
But I think the need or the use case has implicitly been assumed in prefix
delegation WG draft, right?

 

Regards,

Seil


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'>Hi =
folks,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p=
 class=3DMsoNormal><span style=3D'font-family:"Arial","sans-serif"'>On =
the mMAG presentation in the meeting, I think allocated slot might not =
be enough to have full discussion.<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Arial","sans-serif"'>Let =
me give explanation about the substance of mMAG proposed in our slide =
again.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p=
 class=3DMsoNormal><span style=3D'font-family:"Arial","sans-serif"'>As I =
presented, the mMAG is &#8216;SEEN&#8217; as one of MNs in MAG =
perspective but this is not a &#8216;<u>MN</u>&#8217; like mobile device =
you simply have. That is a &#8216;ROUTER&#8217; managed by the =
operators. So you can imagine same level of security association between =
mMAG and LMA as the MAG and LMA has.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p=
 class=3DMsoNormal><span style=3D'font-family:"Arial","sans-serif"'>And =
this use case and the need are usually reasonable when considering real =
deployment. Of course, we will update this use case of NEMO in next =
version. But I think the need or the use case has implicitly been =
assumed in prefix delegation WG draft, right?<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p=
 class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'>Regards,<o:p></o:p></span></p>=
<p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif"'>Seil<o:p></o:p></span></p></di=
v></body></html>
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From alexandru.petrescu@gmail.com  Wed Nov  7 11:48:20 2012
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Subject: Re: [netext] about the mMAG draft, and network mobility for PMIP
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Le 06/11/2012 14:20, Seil Jeon a écrit :
> Hi Alex,
>
> Thanks for  your comment. Please see [Seil] inline.
>
> Regards, Seil
>
> -----Original Message----- From: netext-bounces@ietf.org
> [mailto:netext-bounces@ietf.org] On Behalf Of Alexandru Petrescu
> Sent: Monday, November 05, 2012 10:02 PM To: netext@ietf.org Subject:
> [netext] about the mMAG draft, and network mobility for PMIP
>
> I wanted to say at the mic.
>
> I read this mMAG draft.  I also read the netext wg ig pmip prefix
> delegation.  Additioally, I co-authored another draft about pmip and
> network mobility.
>
> I think overall we may have an issue here about the lack of a
> problemm statement draft for pmip network mobility.  I do not
> consider it blocking but it does backfire a bit here, if I can say
> so.
>
> One interesting aspect of mMAG (other than that it can work) is that
> it does not use DHCP at all.  You Raj asked which operator would be
> interested in this mMAG concept - well any which does not implement
> DHCP-PD today, and there are many I think.
>
> [Seil] As I told after the meeting, PMIPv6 specified stateless IP
> address configuration, right? And I believe we don't need to limit IP
> address configuration method with DHCP only in network mobility, even
> on business model. Main issue, in operator perspective, would not be
> the use of DHCP or not but how to arrange NEMO concept aligned with
> existing PMIPv6 protocol.

Ok, understood.  I can understand some operators may prefer to use ND to
auto-configure addresses on the Mobile Host, as well as on Mobile
Routers.  The mMAG solution you presented seemed to realize MRs with
just using ND to configure address on MR, without DHCP PD.  And without
PD in RA either.  It just uses double encapsulation.  Which could be
acceptable some times.

Alex

>
> One differentiating advantageous aspect in the netext wg item pmip
> prefix delegation is that it delegates a v6 as well as a v4 prefix.
> But it has the inconvenient of requiring mandatorily the GRE
> encapsulation (other kind sof encapsulaiton exist as well.
>
>
> Alex
>
> _______________________________________________ netext mailing list
> netext@ietf.org https://www.ietf.org/mailman/listinfo/netext
>
>



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Subject: Re: [netext] Additional comments for mMAG presentation
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Le 06/11/2012 14:28, Seil Jeon a écrit :
> Hi folks,
>
> On the mMAG presentation in the meeting, I think allocated slot might
> not be enough to have full discussion.
>
> Let me give explanation about the substance of mMAG proposed in our
> slide again.
>
> As I presented, the mMAG is ‘SEEN’ as one of MNs in MAG perspective
> but this is not a ‘_MN_’ like mobile device you simply have. That is
>  a ‘ROUTER’ managed by the operators. So you can imagine same level
> of security association between mMAG and LMA as the MAG and LMA has.

Except that, when LMA sends a HNP (Home Network Prefix) to MAG to mMAG
such as this HNP to be used by a Host in the moving network - there is
no security between this Host and the LMA.

There is a sort of delegation of authority between LMA and MAG and mMAG
to trust about this Host, but obviously this is not 'end-to-end'
security as one considers typically between a fixed Host and
Correspondent in the Internet.

> And this use case and the need are usually reasonable when
> considering real deployment. Of course, we will update this use case
>  of NEMO in next version. But I think the need or the use case has
> implicitly been assumed in prefix delegation WG draft, right?

Well, one reads that as one wishes.

In a ideal world, the problem statement and requirements about network
mobility support with PMIP would be written first, separately, and allow
time for competing solutions to root and grow.  And later make some
selection or join solutions.  In a real world what happens is that some
solutions grow much faster than others and they practically influence a
problem statement, which is somehow more or less assummed to fit what
that solution needs.

Implementation is a key aspect as well.  If one knows that some
particular solution is safely planned to be implemented in a widely
availabble router platform, then only thing one has to do is to agree to
that solution, since deployment is guaranteed.

Alex

>
> Regards,
>
> Seil
>
>
>
> _______________________________________________ netext mailing list
> netext@ietf.org https://www.ietf.org/mailman/listinfo/netext
>



From bpatil1@gmail.com  Mon Nov 12 04:35:22 2012
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--14dae93405f348633204ce4b8840
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---------- Forwarded message ----------
From: Basavaraj Patil <bpatil1@gmail.com>
Date: Sat, Nov 10, 2012 at 5:19 PM
Subject: Netext WG summary from IETF85
To: Brian Haberman <brian@innovationslab.net>, int-ads@tools.ietf.org
Cc: netext-chairs@tools.ietf.org



Hi Brian,

Please find below the Netext WG summary from IETF85.

Rgds,
-Raj


Summary of Netext WG meeting at IETF85
--------------------------------------

The Netext WG met at IETF85 on Monday November 5th from 1520-1720
PM. The meeting was chaired by Basavaraj Patil. Rajeev Koodli was
unable to attend this meeting because of his travel to Europe for
another critical business meeting.

The WG has made progress in the last 3 months and has published two
RFCs (6705 and 6757). The I-D: draft-ietf-netext-pmipv6-sipto-option
is now awaiting IESG approval. Additionally the I-D:
draft-ietf-netext-rfc5149bis has completed WG last call and will be
sent to the IESG shortly.

The working group I-D which specifies the logical interface was
discussed at the meeting. There is still more work that needs to be
done on this document. There is a fundamental difference of opinion on
what this document really needs to capture and specify especially
given that it is an informational specification. Authors and chairs
will work on this and attempt to make progress.

The flow mobility specification I-D (draft-ietf-netext-pmipv6-flowmob)
has been revised by Carlos Bernardos (Editor). However there are still
some concerns by a WG member. We will setup an issue tracker for this
I-D and resolve the issues through reviews and WG consensus.

The prefix delegation I-D (draft-ietf-netext-pd-pmip) is ready for
submission and it will go to WG last call after the meeting.

The QoS for PMIP6 I-D (draft-ietf-netext-pmip6-qos) also needs further
reviews and updates. There are a lot of open questions and issues with
this I-D at the moment. The authors mentioned that this I-D is also
relevant to 3GPP specifications. Chairs think that more clarity is
needed in terms of how QoS signaling is done with PMIP6 messages.

Several new proposals were also put forth for consideration before the
WG. The I-D draft-krishnan-netext-update-notifications proposes a
method by which the LMA can send unsolicited messages to the MAG to
change the status of a session or do other administrative things. This
I-D is also needed by 3GPP and the 3GPP liason (Atle) has sent a
request to the AD and the WG chairs. There is consensus in the WG to
adopt this I-D. Chairs will do a consensus call on the mailing list
and then move forward. A response to Atle (3GPP liason) will be
proposed to Brian (AD) by the chairs.

Other proposals including the applicability of QoS in a WiFi
environment as well as Mobile MAG were discussed. Many of these are
preliminary and will need more discussion and convincing on the
mailing list before they can be considered.

At the present time the working group is making good progress and
there are no major concerns.




-- 
Basavaraj Patil

--14dae93405f348633204ce4b8840
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<br><br><div class=3D"gmail_quote">---------- Forwarded message ----------<=
br>From: <b class=3D"gmail_sendername">Basavaraj Patil</b> <span dir=3D"ltr=
">&lt;<a href=3D"mailto:bpatil1@gmail.com">bpatil1@gmail.com</a>&gt;</span>=
<br>Date: Sat, Nov 10, 2012 at 5:19 PM<br>
Subject: Netext WG summary from IETF85<br>To: Brian Haberman &lt;<a href=3D=
"mailto:brian@innovationslab.net">brian@innovationslab.net</a>&gt;, <a href=
=3D"mailto:int-ads@tools.ietf.org">int-ads@tools.ietf.org</a><br>Cc: <a hre=
f=3D"mailto:netext-chairs@tools.ietf.org">netext-chairs@tools.ietf.org</a><=
br>
<br><br><div><br></div>Hi Brian,<div><br></div><div>Please find below the N=
etext WG summary from IETF85.</div><div><br></div><div>Rgds,</div><div>-Raj=
</div><div><br></div><div><div><br></div><div>Summary of Netext WG meeting =
at IETF85</div>

<div>--------------------------------------</div><div><br></div><div>The Ne=
text WG met at IETF85 on Monday November 5th from 1520-1720</div><div>PM. T=
he meeting was chaired by Basavaraj Patil. Rajeev Koodli was</div><div>

unable to attend this meeting because of his travel to Europe for</div><div=
>another critical business meeting.</div><div><br></div><div>The WG has mad=
e progress in the last 3 months and has published two</div><div>RFCs (6705 =
and 6757). The I-D: draft-ietf-netext-pmipv6-sipto-option</div>

<div>is now awaiting IESG approval. Additionally the I-D:</div><div>draft-i=
etf-netext-rfc5149bis has completed WG last call and will be</div><div>sent=
 to the IESG shortly.=A0</div><div><br></div><div>The working group I-D whi=
ch specifies the logical interface was</div>

<div>discussed at the meeting. There is still more work that needs to be</d=
iv><div>done on this document. There is a fundamental difference of opinion=
 on</div><div>what this document really needs to capture and specify especi=
ally</div>

<div>given that it is an informational specification. Authors and chairs</d=
iv><div>will work on this and attempt to make progress.</div><div><br></div=
><div>The flow mobility specification I-D (draft-ietf-netext-pmipv6-flowmob=
)</div>

<div>has been revised by Carlos Bernardos (Editor). However there are still=
</div><div>some concerns by a WG member. We will setup an issue tracker for=
 this</div><div>I-D and resolve the issues through reviews and WG consensus=
.=A0</div>

<div><br></div><div>The prefix delegation I-D (draft-ietf-netext-pd-pmip) i=
s ready for</div><div>submission and it will go to WG last call after the m=
eeting.=A0</div><div><br></div><div>The QoS for PMIP6 I-D (draft-ietf-netex=
t-pmip6-qos) also needs further</div>

<div>reviews and updates. There are a lot of open questions and issues with=
</div><div>this I-D at the moment. The authors mentioned that this I-D is a=
lso</div><div>relevant to 3GPP specifications. Chairs think that more clari=
ty is</div>

<div>needed in terms of how QoS signaling is done with PMIP6 messages.=A0</=
div><div><br></div><div>Several new proposals were also put forth for consi=
deration before the</div><div>WG. The I-D draft-krishnan-netext-update-noti=
fications proposes a</div>

<div>method by which the LMA can send unsolicited messages to the MAG to</d=
iv><div>change the status of a session or do other administrative things. T=
his</div><div>I-D is also needed by 3GPP and the 3GPP liason (Atle) has sen=
t a</div>

<div>request to the AD and the WG chairs. There is consensus in the WG to</=
div><div>adopt this I-D. Chairs will do a consensus call on the mailing lis=
t</div><div>and then move forward. A response to Atle (3GPP liason) will be=
</div>

<div>proposed to Brian (AD) by the chairs.</div><div><br></div><div>Other p=
roposals including the applicability of QoS in a WiFi</div><div>environment=
 as well as Mobile MAG were discussed. Many of these are</div><div>prelimin=
ary and will need more discussion and convincing on the</div>

<div>mailing list before they can be considered.</div><div><br></div><div>A=
t the present time the working group is making good progress and</div><div>=
there are no major concerns.</div><div><br></div>
</div>
</div><br><br clear=3D"all"><div><br></div>-- <br>Basavaraj Patil<br>

--14dae93405f348633204ce4b8840--

From iesg-secretary@ietf.org  Mon Nov 12 11:16:33 2012
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Subject: [netext] Last Call: <draft-ietf-netext-pmipv6-sipto-option-07.txt> (IPv4	Traffic Offload Selector Option for Proxy Mobile IPv6) to	Proposed Standard
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The IESG has received a request from the Network-Based Mobility
Extensions WG (netext) to consider the following document:
- 'IPv4 Traffic Offload Selector Option for Proxy Mobile IPv6'
  <draft-ietf-netext-pmipv6-sipto-option-07.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action. Please send substantive comments to the
ietf@ietf.org mailing lists by 2012-11-26. Exceptionally, comments may be
sent to iesg@ietf.org instead. In either case, please retain the
beginning of the Subject line to allow automated sorting.

Abstract


   This specification defines a traffic offload mechanism and a related
   mobility option for carrying IPv4 Offload traffic selectors between a
   mobile access gateway and a local mobility anchor in a Proxy Mobile
   IPv6 domain.  Based on the negotiated IPv4 traffic offload flow
   selectors with the local mobility anchor, a mobile access gateway can
   enable offload traffic rule on the selected IPv4 flows.




The file can be obtained via
http://datatracker.ietf.org/doc/draft-ietf-netext-pmipv6-sipto-option/

IESG discussion can be tracked via
http://datatracker.ietf.org/doc/draft-ietf-netext-pmipv6-sipto-option/ballot/


No IPR declarations have been submitted directly on this I-D.



From bpatil1@gmail.com  Mon Nov 12 19:11:39 2012
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--f46d044468e39b5ed404ce57c632
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The I-D : Update Notifications for Proxy Mobile IPv6
<draft-krishnan-netext-update-notifications> was presented at the WG
meeting at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in
favor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG
document.

Question: Should the Netext WG adopt I-D:
draft-krishnan-netext-update-notifications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the
relevance of this I-D to their specifications and is awaiting feedback from
the AD and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs

--f46d044468e39b5ed404ce57c632
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<br>The I-D : Update Notifications for Proxy Mobile IPv6 &lt;draft-krishnan=
-netext-update-notifications&gt; was presented at the WG meeting at IETF85 =
(Atlanta).<br>There was consensus in the room to adopt this I-D as a WG doc=
ument (11 in favor of, None against).<br>
<br>Please treat this as a consensus call for adopting this I-D as a WG doc=
ument.<br><br>Question: Should the Netext WG adopt I-D: draft-krishnan-nete=
xt-update-notifications as a working group document?<br><br>Yes:=A0 [=A0 ]<=
br>
No :=A0 [=A0 ]<br><br>Some background info: The 3GPP liaison to the IETF ha=
s indicated the relevance of this I-D to their specifications and is awaiti=
ng feedback from the AD and the chairs about its status.<br><br>Abstract<br=
>
<br>=A0=A0 Proxy Mobile IPv6 (PMIPv6) is a network based mobility managemen=
t<br>=A0=A0 protocol that enables IP mobility for a host without requiring =
its<br>=A0=A0 participation in any mobility-related signaling.=A0 This docu=
ment<br>=A0=A0 proposes a mechanism for the Local Mobility Anchor to asynch=
ronously<br>
=A0=A0 notify the Mobile Access Gateway about changes related to the<br>=A0=
=A0 mobility session.<br><br>This consensus call will expire on November 26=
th, 2012.<br><br>-Chairs<br clear=3D"all"><br>

--f46d044468e39b5ed404ce57c632--

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Cc: "draft-krishnan-netext-update-notifications@tools.ietf.org" <draft-krishnan-netext-update-notifications@tools.ietf.org>
Subject: Re: [netext] Consensus call: Adopt I-D	draft-krishnan-netext-update-notifications
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Hi,

My answer to the question: Should the Netext WG adopt I-D: draft-krishnan-n=
etext-update-notifications as a working group document?:


Yes:  [ X ]

BR ,
Pierrick

De : netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] De la part de=
 Basavaraj Patil
Envoy=E9 : mardi 13 novembre 2012 04:12
=C0 : netext@ietf.org
Cc : draft-krishnan-netext-update-notifications@tools.ietf.org
Objet : [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-not=
ifications


The I-D : Update Notifications for Proxy Mobile IPv6 <draft-krishnan-netext=
-update-notifications> was presented at the WG meeting at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG documen=
t.

Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs

___________________________________________________________________________=
______________________________________________

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<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">My answer to the question: Shou=
ld the Netext WG adopt I-D: draft-krishnan-netext-update-notifications as a=
 working group document?:<br>
<br>
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Yes:&nbsp; [&nbsp;X ]<br>
<br>
</span><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quo=
t;sans-serif&quot;;color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">BR&nbsp;,<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Pierrick<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">De&nbsp;:</span></b><span style=3D"fo=
nt-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> nete=
xt-bounces@ietf.org [mailto:netext-bounces@ietf.org]
<b>De la part de</b> Basavaraj Patil<br>
<b>Envoy=E9&nbsp;:</b> mardi 13 novembre 2012 04:12<br>
<b>=C0&nbsp;:</b> netext@ietf.org<br>
<b>Cc&nbsp;:</b> draft-krishnan-netext-update-notifications@tools.ietf.org<=
br>
<b>Objet&nbsp;:</b> [netext] Consensus call: Adopt I-D draft-krishnan-netex=
t-update-notifications<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><br>
The I-D : Update Notifications for Proxy Mobile IPv6 &lt;draft-krishnan-net=
ext-update-notifications&gt; was presented at the WG meeting at IETF85 (Atl=
anta).<br>
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).<br>
<br>
Please treat this as a consensus call for adopting this I-D as a WG documen=
t.<br>
<br>
Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?<br>
<br>
<span lang=3D"EN-US">Yes:&nbsp; [&nbsp; ]<br>
No :&nbsp; [&nbsp; ]<br>
<br>
Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.<br>
<br>
</span>Abstract<br>
<br>
&nbsp;&nbsp; Proxy Mobile IPv6 (PMIPv6) is a network based mobility managem=
ent<br>
&nbsp;&nbsp; protocol that enables IP mobility for a host without requiring=
 its<br>
&nbsp;&nbsp; participation in any mobility-related signaling.&nbsp; This do=
cument<br>
&nbsp;&nbsp; proposes a mechanism for the Local Mobility Anchor to asynchro=
nously<br>
&nbsp;&nbsp; notify the Mobile Access Gateway about changes related to the<=
br>
&nbsp;&nbsp; mobility session.<br>
<br>
This consensus call will expire on November 26th, 2012.<br>
<br>
-Chairs<br clear=3D"all">
<o:p></o:p></p>
</div>
</div>
<PRE>______________________________________________________________________=
___________________________________________________

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tielles ou privilegiees et ne doivent donc
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 ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el=
ectroniques etant susceptibles d'alteration,
France Telecom - Orange decline toute responsabilite si ce message a ete al=
tere, deforme ou falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, France Telecom - Orange is not liable for message=
s that have been modified, changed or falsified.
Thank you.
</PRE></body>
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From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: "pierrick.seite@orange.com" <pierrick.seite@orange.com>, "'Basavaraj Patil'" <bpatil1@gmail.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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My answer to the question: Should the Netext WG adopt I-D: draft-krishnan-n=
etext-update-notifications as a working group document?:

Yes:  [ X ]

This is a minor extension and is identified as a gap by 3GPP CT4 WG. Hopefu=
lly, we can close this soon.




From: "pierrick.seite@orange.com<mailto:pierrick.seite@orange.com>" <pierri=
ck.seite@orange.com<mailto:pierrick.seite@orange.com>>
Date: Tuesday, November 13, 2012 8:11 AM
To: 'Basavaraj Patil' <bpatil1@gmail.com<mailto:bpatil1@gmail.com>>, "netex=
t@ietf.org<mailto:netext@ietf.org>" <netext@ietf.org<mailto:netext@ietf.org=
>>
Cc: "draft-krishnan-netext-update-notifications@tools.ietf.org<mailto:draft=
-krishnan-netext-update-notifications@tools.ietf.org>" <draft-krishnan-nete=
xt-update-notifications@tools.ietf.org<mailto:draft-krishnan-netext-update-=
notifications@tools.ietf.org>>
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-updat=
e-notifications

Hi,

My answer to the question: Should the Netext WG adopt I-D: draft-krishnan-n=
etext-update-notifications as a working group document?:


Yes:  [ X ]

BR ,
Pierrick

De : netext-bounces@ietf.org<mailto:netext-bounces@ietf.org> [mailto:netext=
-bounces@ietf.org] De la part de Basavaraj Patil
Envoy=E9 : mardi 13 novembre 2012 04:12
=C0 : netext@ietf.org<mailto:netext@ietf.org>
Cc : draft-krishnan-netext-update-notifications@tools.ietf.org<mailto:draft=
-krishnan-netext-update-notifications@tools.ietf.org>
Objet : [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-not=
ifications


The I-D : Update Notifications for Proxy Mobile IPv6 <draft-krishnan-netext=
-update-notifications> was presented at the WG meeting at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG documen=
t.

Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs

___________________________________________________________________________=
______________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el=
ectroniques etant susceptibles d'alteration,
France Telecom - Orange decline toute responsabilite si ce message a ete al=
tere, deforme ou falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, France Telecom - Orange is not liable for message=
s that have been modified, changed or falsified.
Thank you.


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left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times Ne=
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<span lang=3D"EN-US">My answer to the question: Should the Netext WG adopt =
I-D: draft-krishnan-netext-update-notifications as a working group document=
?:<br>
<br>
</span></p>
<p class=3D"MsoNormal" style=3D"margin-top: 0cm; margin-right: 0cm; margin-=
left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times Ne=
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<span lang=3D"EN-US">This is a minor extension and is identified as a gap b=
y 3GPP CT4 WG. Hopefully, we can close this soon.</span></p>
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</span></p>
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</span></p>
<p class=3D"MsoNormal" style=3D"margin-top: 0cm; margin-right: 0cm; margin-=
left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times Ne=
w Roman', serif; ">
<span lang=3D"EN-US"><br>
</span></p>
<p class=3D"MsoNormal" style=3D"margin-top: 0cm; margin-right: 0cm; margin-=
left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times Ne=
w Roman', serif; ">
<span lang=3D"EN-US"><br>
</span></p>
</div>
<span id=3D"OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri; font-size:11pt; text-align:left; color:b=
lack; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM:=
 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid;=
 BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<span style=3D"font-weight:bold">From: </span>&quot;<a href=3D"mailto:pierr=
ick.seite@orange.com">pierrick.seite@orange.com</a>&quot; &lt;<a href=3D"ma=
ilto:pierrick.seite@orange.com">pierrick.seite@orange.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date: </span>Tuesday, November 13, 2012 8:=
11 AM<br>
<span style=3D"font-weight:bold">To: </span>'Basavaraj Patil' &lt;<a href=
=3D"mailto:bpatil1@gmail.com">bpatil1@gmail.com</a>&gt;, &quot;<a href=3D"m=
ailto:netext@ietf.org">netext@ietf.org</a>&quot; &lt;<a href=3D"mailto:nete=
xt@ietf.org">netext@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc: </span>&quot;<a href=3D"mailto:draft-k=
rishnan-netext-update-notifications@tools.ietf.org">draft-krishnan-netext-u=
pdate-notifications@tools.ietf.org</a>&quot; &lt;<a href=3D"mailto:draft-kr=
ishnan-netext-update-notifications@tools.ietf.org">draft-krishnan-netext-up=
date-notifications@tools.ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Subject: </span>Re: [netext] Consensus cal=
l: Adopt I-D draft-krishnan-netext-update-notifications<br>
</div>
<div><br>
</div>
<div>
<meta name=3D"Generator" content=3D"Microsoft Word 12 (filtered medium)">
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<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">My answer to the question: Shou=
ld the Netext WG adopt I-D: draft-krishnan-netext-update-notifications as a=
 working group document?:<br>
<br>
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
Yes:&nbsp; [&nbsp;X ]<br>
<br>
</span><span style=3D"font-size: 11pt; color: rgb(31, 73, 125); font-family=
: Calibri, sans-serif; "><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">BR&nbsp;,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Pierrick<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size: 10pt; font-family: Taho=
ma, sans-serif; ">De&nbsp;:</span></b><span style=3D"font-size: 10pt; font-=
family: Tahoma, sans-serif; ">
<a href=3D"mailto:netext-bounces@ietf.org">netext-bounces@ietf.org</a> [<a =
href=3D"mailto:netext-bounces@ietf.org">mailto:netext-bounces@ietf.org</a>]
<b>De la part de</b> Basavaraj Patil<br>
<b>Envoy=E9&nbsp;:</b> mardi 13 novembre 2012 04:12<br>
<b>=C0&nbsp;:</b> <a href=3D"mailto:netext@ietf.org">netext@ietf.org</a><br=
>
<b>Cc&nbsp;:</b> <a href=3D"mailto:draft-krishnan-netext-update-notificatio=
ns@tools.ietf.org">
draft-krishnan-netext-update-notifications@tools.ietf.org</a><br>
<b>Objet&nbsp;:</b> [netext] Consensus call: Adopt I-D draft-krishnan-netex=
t-update-notifications<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><br>
The I-D : Update Notifications for Proxy Mobile IPv6 &lt;draft-krishnan-net=
ext-update-notifications&gt; was presented at the WG meeting at IETF85 (Atl=
anta).<br>
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).<br>
<br>
Please treat this as a consensus call for adopting this I-D as a WG documen=
t.<br>
<br>
Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?<br>
<br>
<span lang=3D"EN-US">Yes:&nbsp; [&nbsp; ]<br>
No :&nbsp; [&nbsp; ]<br>
<br>
Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.<br>
<br>
</span>Abstract<br>
<br>
&nbsp;&nbsp; Proxy Mobile IPv6 (PMIPv6) is a network based mobility managem=
ent<br>
&nbsp;&nbsp; protocol that enables IP mobility for a host without requiring=
 its<br>
&nbsp;&nbsp; participation in any mobility-related signaling.&nbsp; This do=
cument<br>
&nbsp;&nbsp; proposes a mechanism for the Local Mobility Anchor to asynchro=
nously<br>
&nbsp;&nbsp; notify the Mobile Access Gateway about changes related to the<=
br>
&nbsp;&nbsp; mobility session.<br>
<br>
This consensus call will expire on November 26th, 2012.<br>
<br>
-Chairs<br clear=3D"all">
<o:p></o:p></p>
</div>
</div>
<pre>______________________________________________________________________=
___________________________________________________

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From carlw@mcsr-labs.org  Tue Nov 13 08:16:13 2012
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Date: Tue, 13 Nov 2012 11:15:52 -0500
From: Carl Williams <carlw@mcsr-labs.org>
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Thread-Topic: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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--B_3435650166_7431422
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My answer to the question: Should the Netext WG adopt I-D:
draft-krishnan-netext-update-notifications as a working group document?:



Yes:  [ X ]

From:  Basavaraj Patil <bpatil1@gmail.com>
Date:  Mon, 12 Nov 2012 21:11:36 -0600
To:  <netext@ietf.org>
Cc:  <draft-krishnan-netext-update-notifications@tools.ietf.org>
Subject:  [netext] Consensus call: Adopt I-D
draft-krishnan-netext-update-notifications


The I-D : Update Notifications for Proxy Mobile IPv6
<draft-krishnan-netext-update-notifications> was presented at the WG meeting
at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in
favor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG
document.

Question: Should the Netext WG adopt I-D:
draft-krishnan-netext-update-notifications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the
relevance of this I-D to their specifications and is awaiting feedback from
the AD and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs

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


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<html><head></head><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: s=
pace; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size:=
 14px; font-family: Calibri, sans-serif; "><div><p class=3D"MsoNormal" style=3D"=
margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001p=
t; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang=3D"EN-=
US">My answer to the question: Should the Netext WG adopt I-D: draft-krishna=
n-netext-update-notifications as a working group document?:<br><br><o:p></o:=
p></span></p><p class=3D"MsoNormal" style=3D"margin-top: 0cm; margin-right: 0cm;=
 margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'T=
imes New Roman', serif; "><span lang=3D"EN-US"><br>Yes:&nbsp; [&nbsp;X ]</span=
></p><p class=3D"MsoNormal" style=3D"margin-top: 0cm; margin-right: 0cm; margin-=
left: 0cm; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New=
 Roman', serif; "><span lang=3D"EN-US"><br></span></p></div><span id=3D"OLK_SRC_=
BODY_SECTION"><div style=3D"font-family:Calibri; font-size:11pt; text-align:le=
ft; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDI=
NG-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1=
pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style=3D"font-wei=
ght:bold">From: </span> Basavaraj Patil &lt;<a href=3D"mailto:bpatil1@gmail.co=
m">bpatil1@gmail.com</a>&gt;<br><span style=3D"font-weight:bold">Date: </span>=
 Mon, 12 Nov 2012 21:11:36 -0600<br><span style=3D"font-weight:bold">To: </spa=
n> &lt;<a href=3D"mailto:netext@ietf.org">netext@ietf.org</a>&gt;<br><span sty=
le=3D"font-weight:bold">Cc: </span> &lt;<a href=3D"mailto:draft-krishnan-netext-=
update-notifications@tools.ietf.org">draft-krishnan-netext-update-notificati=
ons@tools.ietf.org</a>&gt;<br><span style=3D"font-weight:bold">Subject: </span=
> [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notificati=
ons<br></div><div><br></div><br>The I-D : Update Notifications for Proxy Mob=
ile IPv6 &lt;draft-krishnan-netext-update-notifications&gt; was presented at=
 the WG meeting at IETF85 (Atlanta).<br>There was consensus in the room to a=
dopt this I-D as a WG document (11 in favor of, None against).<br><br>Please=
 treat this as a consensus call for adopting this I-D as a WG document.<br><=
br>Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-no=
tifications as a working group document?<br><br>Yes:&nbsp; [&nbsp; ]<br>
No :&nbsp; [&nbsp; ]<br><br>Some background info: The 3GPP liaison to the I=
ETF has indicated the relevance of this I-D to their specifications and is a=
waiting feedback from the AD and the chairs about its status.<br><br>Abstrac=
t<br><br>&nbsp;&nbsp; Proxy Mobile IPv6 (PMIPv6) is a network based mobility=
 management<br>&nbsp;&nbsp; protocol that enables IP mobility for a host wit=
hout requiring its<br>&nbsp;&nbsp; participation in any mobility-related sig=
naling.&nbsp; This document<br>&nbsp;&nbsp; proposes a mechanism for the Loc=
al Mobility Anchor to asynchronously<br>
&nbsp;&nbsp; notify the Mobile Access Gateway about changes related to the<=
br>&nbsp;&nbsp; mobility session.<br><br>This consensus call will expire on =
November 26th, 2012.<br><br>-Chairs<br clear=3D"all"><br>
_______________________________________________
netext mailing list
<a href=3D"mailto:netext@ietf.org">netext@ietf.org</a>
<a href=3D"https://www.ietf.org/mailman/listinfo/netext">https://www.ietf.org=
/mailman/listinfo/netext</a>
</span></body></html>

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From yokota@kddilabs.jp  Tue Nov 13 09:39:48 2012
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Cc: "netext@ietf.org" <netext@ietf.org>, draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Hi Raj,

My answer to the question: Should the Netext WG adopt I-D: draft
-krishnan-netext-update-notifications as a working group document?:

Yes:  [ X ]

3GPP needs this spec, so I do support this I-D and expect it to be
published as soon as possible.

Regards,
-- 
Hidetoshi

(2012/11/13 12:11), Basavaraj Patil wrote:
> 
> The I-D : Update Notifications for Proxy Mobile IPv6 
> <draft-krishnan-netext-update-notifications> was presented at the WG 
> meeting at IETF85 (Atlanta).
> There was consensus in the room to adopt this I-D as a WG document (11 
> in favor of, None against).
> 
> Please treat this as a consensus call for adopting this I-D as a WG 
> document.
> 
> Question: Should the Netext WG adopt I-D: 
> draft-krishnan-netext-update-notifications as a working group document?
> 
> Yes:  [  ]
> No :  [  ]
> 
> Some background info: The 3GPP liaison to the IETF has indicated the 
> relevance of this I-D to their specifications and is awaiting feedback 
> from the AD and the chairs about its status.
> 
> Abstract
> 
>     Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>     protocol that enables IP mobility for a host without requiring its
>     participation in any mobility-related signaling.  This document
>     proposes a mechanism for the Local Mobility Anchor to asynchronously
>     notify the Mobile Access Gateway about changes related to the
>     mobility session.
> 
> This consensus call will expire on November 26th, 2012.
> 
> -Chairs
> 
> 
> 
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
> 


From John.Kaippallimalil@huawei.com  Tue Nov 13 09:43:51 2012
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From: John Kaippallimalil <John.Kaippallimalil@huawei.com>
To: Basavaraj Patil <bpatil1@gmail.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Subject: Re: [netext] Consensus call: Adopt I-D	draft-krishnan-netext-update-notifications
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Hi,
My response to the question:
Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?

Yes:  [ X ]

Best regards,
John

From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf Of=
 Basavaraj Patil
Sent: Monday, November 12, 2012 9:12 PM
To: netext@ietf.org
Cc: draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-no=
tifications


The I-D : Update Notifications for Proxy Mobile IPv6 <draft-krishnan-netext=
-update-notifications> was presented at the WG meeting at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG documen=
t.

Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs

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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">My response to the questi=
on:<o:p></o:p></span></p>
<p class=3D"MsoNormal">Question: Should the Netext WG adopt I-D: draft-kris=
hnan-netext-update-notifications as a working group document?<br>
<br>
Yes:&nbsp; [&nbsp;X ]<span style=3D"font-size:11.0pt;font-family:&quot;Cali=
bri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best regards,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">John<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> netext-b=
ounces@ietf.org [mailto:netext-bounces@ietf.org]
<b>On Behalf Of </b>Basavaraj Patil<br>
<b>Sent:</b> Monday, November 12, 2012 9:12 PM<br>
<b>To:</b> netext@ietf.org<br>
<b>Cc:</b> draft-krishnan-netext-update-notifications@tools.ietf.org<br>
<b>Subject:</b> [netext] Consensus call: Adopt I-D draft-krishnan-netext-up=
date-notifications<o:p></o:p></span></p>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><br>
The I-D : Update Notifications for Proxy Mobile IPv6 &lt;draft-krishnan-net=
ext-update-notifications&gt; was presented at the WG meeting at IETF85 (Atl=
anta).<br>
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).<br>
<br>
Please treat this as a consensus call for adopting this I-D as a WG documen=
t.<br>
<br>
Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-noti=
fications as a working group document?<br>
<br>
Yes:&nbsp; [&nbsp; ]<br>
No :&nbsp; [&nbsp; ]<br>
<br>
Some background info: The 3GPP liaison to the IETF has indicated the releva=
nce of this I-D to their specifications and is awaiting feedback from the A=
D and the chairs about its status.<br>
<br>
Abstract<br>
<br>
&nbsp;&nbsp; Proxy Mobile IPv6 (PMIPv6) is a network based mobility managem=
ent<br>
&nbsp;&nbsp; protocol that enables IP mobility for a host without requiring=
 its<br>
&nbsp;&nbsp; participation in any mobility-related signaling.&nbsp; This do=
cument<br>
&nbsp;&nbsp; proposes a mechanism for the Local Mobility Anchor to asynchro=
nously<br>
&nbsp;&nbsp; notify the Mobile Access Gateway about changes related to the<=
br>
&nbsp;&nbsp; mobility session.<br>
<br>
This consensus call will expire on November 26th, 2012.<br>
<br>
-Chairs<br clear=3D"all">
<o:p></o:p></p>
</div>
</body>
</html>

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Date: Tue, 13 Nov 2012 14:17:20 -0600
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From: Hui Deng <denghui02@gmail.com>
To: Basavaraj Patil <bpatil1@gmail.com>
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Cc: netext@ietf.org, draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Yes: [ *]
-Hui
2012/11/12 Basavaraj Patil <bpatil1@gmail.com>

>
> The I-D : Update Notifications for Proxy Mobile IPv6
> <draft-krishnan-netext-update-notifications> was presented at the WG
> meeting at IETF85 (Atlanta).
> There was consensus in the room to adopt this I-D as a WG document (11 in
> favor of, None against).
>
> Please treat this as a consensus call for adopting this I-D as a WG
> document.
>
> Question: Should the Netext WG adopt I-D:
> draft-krishnan-netext-update-notifications as a working group document?
>
> Yes:  [  ]
> No :  [  ]
>
> Some background info: The 3GPP liaison to the IETF has indicated the
> relevance of this I-D to their specifications and is awaiting feedback from
> the AD and the chairs about its status.
>
> Abstract
>
>    Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>    protocol that enables IP mobility for a host without requiring its
>    participation in any mobility-related signaling.  This document
>    proposes a mechanism for the Local Mobility Anchor to asynchronously
>    notify the Mobile Access Gateway about changes related to the
>    mobility session.
>
> This consensus call will expire on November 26th, 2012.
>
> -Chairs
>
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>
>

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<div>Yes:  [  *]<br></div><div>-Hui<br></div><div class=3D"gmail_quote">201=
2/11/12 Basavaraj Patil <span dir=3D"ltr">&lt;<a href=3D"mailto:bpatil1@gma=
il.com" target=3D"_blank">bpatil1@gmail.com</a>&gt;</span><br><blockquote s=
tyle=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204=
,204,204);border-left-width:1px;border-left-style:solid" class=3D"gmail_quo=
te">

<br>The I-D : Update Notifications for Proxy Mobile IPv6 &lt;draft-krishnan=
-netext-update-notifications&gt; was presented at the WG meeting at IETF85 =
(Atlanta).<br>There was consensus in the room to adopt this I-D as a WG doc=
ument (11 in favor of, None against).<br>


<br>Please treat this as a consensus call for adopting this I-D as a WG doc=
ument.<br><br>Question: Should the Netext WG adopt I-D: draft-krishnan-nete=
xt-update-notifications as a working group document?<br><br>Yes:=A0 [=A0 ]<=
br>


No :=A0 [=A0 ]<br><br>Some background info: The 3GPP liaison to the IETF ha=
s indicated the relevance of this I-D to their specifications and is awaiti=
ng feedback from the AD and the chairs about its status.<br><br>Abstract<br=
>


<br>=A0=A0 Proxy Mobile IPv6 (PMIPv6) is a network based mobility managemen=
t<br>=A0=A0 protocol that enables IP mobility for a host without requiring =
its<br>=A0=A0 participation in any mobility-related signaling.=A0 This docu=
ment<br>=A0=A0 proposes a mechanism for the Local Mobility Anchor to asynch=
ronously<br>


=A0=A0 notify the Mobile Access Gateway about changes related to the<br>=A0=
=A0 mobility session.<br><br>This consensus call will expire on November 26=
th, 2012.<br><br>-Chairs<br clear=3D"all"><br>
<br>_______________________________________________<br>
netext mailing list<br>
<a href=3D"mailto:netext@ietf.org" target=3D"_blank">netext@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/netext" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/netext</a><br>
<br></blockquote></div><br>

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Date: Tue, 13 Nov 2012 20:38:08 -0600
Message-ID: <CAC8QAcez0MOokNqg1PGniE3W7_5aS9=hivU1PpY-RVgLbkrTRA@mail.gmail.com>
From: Behcet Sarikaya <sarikaya2012@gmail.com>
To: pierrick.seite@orange.com
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-krishnan-netext-update-notifications@tools.ietf.org" <draft-krishnan-netext-update-notifications@tools.ietf.org>
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Yes for me too.

Behcet

On Tue, Nov 13, 2012 at 10:11 AM,  <pierrick.seite@orange.com> wrote:
> Hi,
>
>
>
> My answer to the question: Should the Netext WG adopt I-D:
> draft-krishnan-netext-update-notifications as a working group document?:
>
>
> Yes:  [ X ]
>
> BR ,
>
> Pierrick
>
>
>
> De : netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] De la part =
de
> Basavaraj Patil
> Envoy=E9 : mardi 13 novembre 2012 04:12
> =C0 : netext@ietf.org
> Cc : draft-krishnan-netext-update-notifications@tools.ietf.org
> Objet : [netext] Consensus call: Adopt I-D
> draft-krishnan-netext-update-notifications
>
>
>
>
> The I-D : Update Notifications for Proxy Mobile IPv6
> <draft-krishnan-netext-update-notifications> was presented at the WG meet=
ing
> at IETF85 (Atlanta).
> There was consensus in the room to adopt this I-D as a WG document (11 in
> favor of, None against).
>
> Please treat this as a consensus call for adopting this I-D as a WG
> document.
>
> Question: Should the Netext WG adopt I-D:
> draft-krishnan-netext-update-notifications as a working group document?
>
> Yes:  [  ]
> No :  [  ]
>
> Some background info: The 3GPP liaison to the IETF has indicated the
> relevance of this I-D to their specifications and is awaiting feedback fr=
om
> the AD and the chairs about its status.
>
> Abstract
>
>    Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>    protocol that enables IP mobility for a host without requiring its
>    participation in any mobility-related signaling.  This document
>    proposes a mechanism for the Local Mobility Anchor to asynchronously
>    notify the Mobile Access Gateway about changes related to the
>    mobility session.
>
> This consensus call will expire on November 26th, 2012.
>
> -Chairs
>
> _________________________________________________________________________=
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From Marco.Liebsch@neclab.eu  Wed Nov 14 06:13:48 2012
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From: Marco Liebsch <Marco.Liebsch@neclab.eu>
To: Basavaraj Patil <bpatil1@gmail.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Date: Wed, 14 Nov 2012 14:12:24 +0000
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Cc: "draft-krishnan-netext-update-notifications@tools.ietf.org" <draft-krishnan-netext-update-notifications@tools.ietf.org>
Subject: Re: [netext] Consensus call: Adopt I-D	draft-krishnan-netext-update-notifications
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Question that has been asked: Should the Netext WG adopt I-D: draft-krishna=
n-netext-update-
notifications as a working group document?

My answer:
Yes:  [X]
No :  [  ]

marco

>-----Original Message-----
>From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf O=
f
>Basavaraj Patil
>Sent: Dienstag, 13. November 2012 04:12
>To: netext@ietf.org
>Cc: draft-krishnan-netext-update-notifications@tools.ietf.org
>Subject: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-
>notifications
>
>
>The I-D : Update Notifications for Proxy Mobile IPv6 <draft-krishnan-netex=
t-
>update-notifications> was presented at the WG meeting at IETF85 (Atlanta).
>There was consensus in the room to adopt this I-D as a WG document (11 in
>favor of, None against).
>
>Please treat this as a consensus call for adopting this I-D as a WG docume=
nt.
>
>Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-
>notifications as a working group document?
>
>Yes:  [  ]
>No :  [  ]
>
>Some background info: The 3GPP liaison to the IETF has indicated the relev=
ance
>of this I-D to their specifications and is awaiting feedback from the AD a=
nd the
>chairs about its status.
>
>Abstract
>
>   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>   protocol that enables IP mobility for a host without requiring its
>   participation in any mobility-related signaling.  This document
>   proposes a mechanism for the Local Mobility Anchor to asynchronously
>   notify the Mobile Access Gateway about changes related to the
>   mobility session.
>
>This consensus call will expire on November 26th, 2012.
>
>-Chairs
>


From Dirk.von-Hugo@telekom.de  Wed Nov 14 07:37:26 2012
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To: <bpatil1@gmail.com>, <netext@ietf.org>
Date: Wed, 14 Nov 2012 16:37:20 +0100
Thread-Topic: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Cc: draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Hi,
As most others I agree that this is no heavy protocol change and 3GPP asks =
for it, so on
Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-
notifications as a working group document?

My answer:
Yes:  [X ]
No :  [  ]

Best regards
Dirk

>-----Original Message-----
>From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf O=
f
>Basavaraj Patil
>Sent: Dienstag, 13. November 2012 04:12
>To: netext@ietf.org
>Cc: draft-krishnan-netext-update-notifications@tools.ietf.org
>Subject: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-
>notifications
>
>
>The I-D : Update Notifications for Proxy Mobile IPv6 <draft-krishnan-netex=
t-
>update-notifications> was presented at the WG meeting at IETF85 (Atlanta).
>There was consensus in the room to adopt this I-D as a WG document (11 in
>favor of, None against).
>
>Please treat this as a consensus call for adopting this I-D as a WG docume=
nt.
>
>Question: Should the Netext WG adopt I-D: draft-krishnan-netext-update-
>notifications as a working group document?
>
>Yes:  [  ]
>No :  [  ]
>
>Some background info: The 3GPP liaison to the IETF has indicated the relev=
ance
>of this I-D to their specifications and is awaiting feedback from the AD a=
nd the
>chairs about its status.
>
>Abstract
>
>   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>   protocol that enables IP mobility for a host without requiring its
>   participation in any mobility-related signaling.  This document
>   proposes a mechanism for the Local Mobility Anchor to asynchronously
>   notify the Mobile Access Gateway about changes related to the
>   mobility session.
>
>This consensus call will expire on November 26th, 2012.
>
>-Chairs
>

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

From sarikaya2012@gmail.com  Wed Nov 14 13:43:05 2012
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References: <14301_1352823115_50A2714B_14301_189_1_81C77F07008CA24F9783A98CFD706F7105CF73@PEXCVZYM12.corporate.adroot.infra.ftgroup> <24C0F3E22276D9438D6F366EB89FAEA80F5A15B3@xmb-aln-x03.cisco.com>
Date: Wed, 14 Nov 2012 15:43:04 -0600
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From: Behcet Sarikaya <sarikaya2012@gmail.com>
To: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-krishnan-netext-update-notifications@tools.ietf.org" <draft-krishnan-netext-update-notifications@tools.ietf.org>
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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> This is a minor extension and is identified as a gap by 3GPP CT4 WG.

Did they send an LS?

Regards,

Behcet

From brian@innovationslab.net  Wed Nov 14 14:04:48 2012
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Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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On 11/14/12 4:43 PM, Behcet Sarikaya wrote:
>> This is a minor extension and is identified as a gap by 3GPP CT4 WG.
>
> Did they send an LS?

An informal one, yes.

>
> Regards,
>
> Behcet
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>


From sarikaya2012@gmail.com  Wed Nov 14 14:25:36 2012
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Date: Wed, 14 Nov 2012 16:25:30 -0600
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Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
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Thanks Brian, I did not know about that.

Regards,

Behcet

On Wed, Nov 14, 2012 at 4:04 PM, Brian Haberman
<brian@innovationslab.net> wrote:
> On 11/14/12 4:43 PM, Behcet Sarikaya wrote:
>>>
>>> This is a minor extension and is identified as a gap by 3GPP CT4 WG.
>>
>>
>> Did they send an LS?
>
>
> An informal one, yes.
>
>>
>> Regards,
>>
>> Behcet
>>
>> _______________________________________________
>> netext mailing list
>> netext@ietf.org
>> https://www.ietf.org/mailman/listinfo/netext
>>
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext

From amuhanna@awardsolutions.com  Wed Nov 14 14:28:06 2012
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Thread-Topic: [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-update-notifications
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Hi Brian,

When you say an informal LS, can you please elaborate?


Best Regards,
Ahmad

-----Original Message-----
From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf Of=
 Brian Haberman
Sent: Wednesday, November 14, 2012 4:05 PM
To: netext@ietf.org
Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-updat=
e-notifications

On 11/14/12 4:43 PM, Behcet Sarikaya wrote:
>> This is a minor extension and is identified as a gap by 3GPP CT4 WG.
>
> Did they send an LS?

An informal one, yes.

>
> Regards,
>
> Behcet
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>

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

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I also support this.

 

Yes:  [ * ]



Seil

 

From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf Of
Basavaraj Patil
Sent: Tuesday, November 13, 2012 3:12 AM
To: netext@ietf.org
Cc: draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: [netext] Consensus call: Adopt I-D
draft-krishnan-netext-update-notifications

 


The I-D : Update Notifications for Proxy Mobile IPv6
<draft-krishnan-netext-update-notifications> was presented at the WG meeting
at IETF85 (Atlanta).
There was consensus in the room to adopt this I-D as a WG document (11 in
favor of, None against).

Please treat this as a consensus call for adopting this I-D as a WG
document.

Question: Should the Netext WG adopt I-D:
draft-krishnan-netext-update-notifications as a working group document?

Yes:  [  ]
No :  [  ]

Some background info: The 3GPP liaison to the IETF has indicated the
relevance of this I-D to their specifications and is awaiting feedback from
the AD and the chairs about its status.

Abstract

   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.

This consensus call will expire on November 26th, 2012.

-Chairs



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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'>I also =
support this.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal>Yes:&nbsp; [&nbsp;* ]<br><br><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></=
span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'>Seil<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] <b>On Behalf Of =
</b>Basavaraj Patil<br><b>Sent:</b> Tuesday, November 13, 2012 3:12 =
AM<br><b>To:</b> netext@ietf.org<br><b>Cc:</b> =
draft-krishnan-netext-update-notifications@tools.ietf.org<br><b>Subject:<=
/b> [netext] Consensus call: Adopt I-D =
draft-krishnan-netext-update-notifications<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><br>The I-D =
: Update Notifications for Proxy Mobile IPv6 =
&lt;draft-krishnan-netext-update-notifications&gt; was presented at the =
WG meeting at IETF85 (Atlanta).<br>There was consensus in the room to =
adopt this I-D as a WG document (11 in favor of, None =
against).<br><br>Please treat this as a consensus call for adopting this =
I-D as a WG document.<br><br>Question: Should the Netext WG adopt I-D: =
draft-krishnan-netext-update-notifications as a working group =
document?<br><br>Yes:&nbsp; [&nbsp; ]<br>No :&nbsp; [&nbsp; =
]<br><br>Some background info: The 3GPP liaison to the IETF has =
indicated the relevance of this I-D to their specifications and is =
awaiting feedback from the AD and the chairs about its =
status.<br><br>Abstract<br><br>&nbsp;&nbsp; Proxy Mobile IPv6 (PMIPv6) =
is a network based mobility management<br>&nbsp;&nbsp; protocol that =
enables IP mobility for a host without requiring its<br>&nbsp;&nbsp; =
participation in any mobility-related signaling.&nbsp; This =
document<br>&nbsp;&nbsp; proposes a mechanism for the Local Mobility =
Anchor to asynchronously<br>&nbsp;&nbsp; notify the Mobile Access =
Gateway about changes related to the<br>&nbsp;&nbsp; mobility =
session.<br><br>This consensus call will expire on November 26th, =
2012.<br><br>-Chairs<br clear=3Dall><o:p></o:p></p></div></body></html>
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From brian@innovationslab.net  Thu Nov 15 05:22:46 2012
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To: Ahmad Muhanna <amuhanna@awardsolutions.com>
References: <14301_1352823115_50A2714B_14301_189_1_81C77F07008CA24F9783A98CFD706F7105CF73@PEXCVZYM12.corporate.adroot.infra.ftgroup> <24C0F3E22276D9438D6F366EB89FAEA80F5A15B3@xmb-aln-x03.cisco.com> <CAC8QAcd4KuRUz8F6FDhOUqO6r2bWwFS6+0HLc0vm1uWf-M9OKA@mail.gmail.com> <50A41580.3070901@innovationslab.net> <3359F724933DFD458579D24EAC76909859D715D8@Redwood.usa.awardsolutions.com>
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Subject: Re: [netext] [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-update-notifications
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Hi Ahmad,

On 11/14/12 5:26 PM, Ahmad Muhanna wrote:
> Hi Brian,
>
> When you say an informal LS, can you please elaborate?
>

Sure.  The 3GPP CT chairman sent an e-mail to the NETEXT chairs, the 
draft authors, and me asking about the status of the draft since there 
was a dependency on it within 3GPP.

Regards,
Brian


From suresh.krishnan@ericsson.com  Thu Nov 15 07:48:59 2012
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From: Suresh Krishnan <suresh.krishnan@ericsson.com>
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To: Ahmad Muhanna <amuhanna@awardsolutions.com>
References: <14301_1352823115_50A2714B_14301_189_1_81C77F07008CA24F9783A98CFD706F7105CF73@PEXCVZYM12.corporate.adroot.infra.ftgroup> <24C0F3E22276D9438D6F366EB89FAEA80F5A15B3@xmb-aln-x03.cisco.com> <CAC8QAcd4KuRUz8F6FDhOUqO6r2bWwFS6+0HLc0vm1uWf-M9OKA@mail.gmail.com> <50A41580.3070901@innovationslab.net> <3359F724933DFD458579D24EAC76909859D715D8@Redwood.usa.awardsolutions.com>
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Cc: "netext@ietf.org" <netext@ietf.org>
Subject: Re: [netext] [neatest] Consensus call: Adopt I-D	draft-Krishnan-neatest-update-notifications
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Hi Ahmad,
  There was an email from the 3GPP CT chair to the ADs, chairs and the
authors that this draft has been added to the 3GPP dependency list

http://www.3gpp.org/ftp/information/WORK_PLAN/Work_plan_3gpp_120930.zip

and wanted to know if there was any progress and/or showstoppers on this
document. 3GPP has also appointed the CT4 vice-chair as the shepherd for
this document.

Thanks
Suresh

On 11/14/2012 05:26 PM, Ahmad Muhanna wrote:
> Hi Brian,
> 
> When you say an informal LS, can you please elaborate?
> 
> 
> Best Regards,
> Ahmad
> 
> -----Original Message-----
> From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On Behalf Of Brian Haberman
> Sent: Wednesday, November 14, 2012 4:05 PM
> To: netext@ietf.org
> Subject: Re: [netext] Consensus call: Adopt I-D draft-krishnan-netext-update-notifications
> 
> On 11/14/12 4:43 PM, Behcet Sarikaya wrote:
>>> This is a minor extension and is identified as a gap by 3GPP CT4 WG.
>>
>> Did they send an LS?
> 
> An informal one, yes.
> 
>>
>> Regards,
>>
>> Behcet
>> _______________________________________________
>> netext mailing list
>> netext@ietf.org
>> https://www.ietf.org/mailman/listinfo/netext
>>
> 
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
> 


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#10: Flow mobility I-D issues

 At IETF85 the chairs concluded that the pending issues with the flow
 mobility I-D would be resolved using an issue tracker. This tracker will
 be used to resolve and close all issues w.r.t this I-D.

-- 
-------------------------+-------------------------------------------------
 Reporter:               |      Owner:  draft-ietf-netext-
  bpatil1@gmail.com      |  pmipv6-flowmob@tools.ietf.org
     Type:  task         |     Status:  new
 Priority:  major        |  Milestone:
Component:               |    Version:
  pmipv6-flowmob         |   Keywords:
 Severity:  Active WG    |
  Document               |
-------------------------+-------------------------------------------------

Ticket URL: <http://tools.ietf.org/wg/netext/trac/ticket/10>
netext <http://tools.ietf.org/netext/>


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--14dae9340c47f9be6304ce8c0c18
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At the WG meeting during IETF85 the chairs agreed to use the issue tracker
to resolve all open and pending issues with the WG I-D:
draft-ietf-netext-pmipv6-flowmob<http://datatracker.ietf.org/doc/draft-ietf-netext-pmipv6-flowmob/>
.

Please submit issues via the tracker:
 http://tools.ietf.org/wg/netext/trac/newticket#

The editor (Carlos) and co-authors of the I-D will resolve the issues.
Chairs will intervene as needed to close the issues and seek consensus as
needed from the WG.

-Raj

--14dae9340c47f9be6304ce8c0c18
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<div><br></div>At the WG meeting during IETF85 the chairs agreed to use the=
 issue tracker to resolve all open and pending issues with the WG I-D:=A0<a=
 href=3D"http://datatracker.ietf.org/doc/draft-ietf-netext-pmipv6-flowmob/"=
 style=3D"font-family:arial,helvetica,clean,sans-serif;font-size:13px;line-=
height:16px;background-color:rgb(255,255,255)">draft-ietf-netext-pmipv6-flo=
wmob</a>.<div>
<br></div><div>Please submit issues via the tracker:</div><div>=A0<a href=
=3D"http://tools.ietf.org/wg/netext/trac/newticket#">http://tools.ietf.org/=
wg/netext/trac/newticket#</a><br clear=3D"all"><div><br></div><div>The edit=
or (Carlos) and co-authors of the I-D will resolve the issues. Chairs will =
intervene as needed to close the issues and seek consensus as needed from t=
he WG.</div>
<div><br></div><div>-Raj</div><div><br></div>
</div>

--14dae9340c47f9be6304ce8c0c18--

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Hi Raj,

Thanks! I hope we can now make fast progress towards completion of the
document.

Thanks,

Carlos

On Thu, 2012-11-15 at 11:33 -0600, Basavaraj Patil wrote:
>=20
>=20
> At the WG meeting during IETF85 the chairs agreed to use the issue
> tracker to resolve all open and pending issues with the WG
> I-D: draft-ietf-netext-pmipv6-flowmob.
>=20
>=20
> Please submit issues via the tracker:
>  http://tools.ietf.org/wg/netext/trac/newticket#
>=20
>=20
> The editor (Carlos) and co-authors of the I-D will resolve the issues.
> Chairs will intervene as needed to close the issues and seek consensus
> as needed from the WG.
>=20
>=20
> -Raj
>=20
>=20

--=20
Carlos Jes=C3=BAs Bernardos Cano  http://www.netcom.it.uc3m.es/
GPG FP: D29B 0A6A 639A A561 93CA  4D55 35DC BA4D D170 4F67

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Thread-Topic: [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-update-notifications
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Subject: Re: [netext] [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-update-notifications
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Thanks Brian for the clarification!

I just was not familiar with 3GPP sending an informal LS.=20
My understanding, 3GPP is very careful when talking about LS'es; i.e., ther=
e is formal LS or something else. :-)

Thanks!

Regards,
Ahmad

-----Original Message-----
From: Brian Haberman [mailto:brian@innovationslab.net]=20
Sent: Thursday, November 15, 2012 7:23 AM
To: Ahmad Muhanna
Cc: netext@ietf.org
Subject: Re: [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-upd=
ate-notifications

Hi Ahmad,

On 11/14/12 5:26 PM, Ahmad Muhanna wrote:
> Hi Brian,
>
> When you say an informal LS, can you please elaborate?
>

Sure.  The 3GPP CT chairman sent an e-mail to the NETEXT chairs, the draft =
authors, and me asking about the status of the draft since there was a depe=
ndency on it within 3GPP.

Regards,
Brian


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From: Ahmad Muhanna <amuhanna@awardsolutions.com>
To: Suresh Krishnan <suresh.krishnan@ericsson.com>
Thread-Topic: [netext] [neatest] Consensus call: Adopt I-D draft-Krishnan-neatest-update-notifications
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Thanks Suresh!

Regards,
Ahmad

-----Original Message-----
From: Suresh Krishnan [mailto:suresh.krishnan@ericsson.com]=20
Sent: Thursday, November 15, 2012 9:49 AM
To: Ahmad Muhanna
Cc: Brian Haberman; netext@ietf.org
Subject: Re: [netext] [neatest] Consensus call: Adopt I-D draft-Krishnan-ne=
atest-update-notifications

Hi Ahmad,
  There was an email from the 3GPP CT chair to the ADs, chairs and the auth=
ors that this draft has been added to the 3GPP dependency list

http://www.3gpp.org/ftp/information/WORK_PLAN/Work_plan_3gpp_120930.zip

and wanted to know if there was any progress and/or showstoppers on this do=
cument. 3GPP has also appointed the CT4 vice-chair as the shepherd for this=
 document.

Thanks
Suresh

On 11/14/2012 05:26 PM, Ahmad Muhanna wrote:
> Hi Brian,
>=20
> When you say an informal LS, can you please elaborate?
>=20
>=20
> Best Regards,
> Ahmad
>=20
> -----Original Message-----
> From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On=20
> Behalf Of Brian Haberman
> Sent: Wednesday, November 14, 2012 4:05 PM
> To: netext@ietf.org
> Subject: Re: [netext] Consensus call: Adopt I-D=20
> draft-krishnan-netext-update-notifications
>=20
> On 11/14/12 4:43 PM, Behcet Sarikaya wrote:
>>> This is a minor extension and is identified as a gap by 3GPP CT4 WG.
>>
>> Did they send an LS?
>=20
> An informal one, yes.
>=20
>>
>> Regards,
>>
>> Behcet
>> _______________________________________________
>> netext mailing list
>> netext@ietf.org
>> https://www.ietf.org/mailman/listinfo/netext
>>
>=20
> _______________________________________________
> netext mailing list
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> https://www.ietf.org/mailman/listinfo/netext
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Subject: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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--14dae9340f53d41a0404ceefe32f
Content-Type: text/plain; charset=ISO-8859-1

I-D: Prefix Delegation for Proxy Mobile IPv6
<draft-ietf-netext-pd-pmip-05>


Issues:
-------
1. I-D states: "However, Proxy Mobile IPv6 does not support assigning
a prefix to a router and  managing its IP mobility."

PMIP6 specifically mentions that the network based mobility solution
is for a host (as defined in RFC3775). It would be useful to mention
that this I-D is extending network based mobility support to routers
as well.

2. "This document specifies an extension to
   Proxy Mobile IPv6 protocol for supporting network mobility using
   DHCPv6-based Prefix Delegation."

Should it explicitly state that the extension to PMIP6 protocol is for
enabling network mobility for routers?

3. "The mobility elements in the network allow the
   IP host to obtain an IPv4 address and/or a set of IPv6 addresses
   ..."

MAG/LMA assign the host an IPv6 prefix.

4. Would be useful to mention how binding revocation is handled in the
case of delegated prefixes to the MR.

5. How does the MAG know that it needs to allow forwarding of packets
via the PMIP6 tunnel for packets with SRC address that are derived
from the delegated prefixes? Its not clear if there is added
functionality needed at the MAG to accomplish this.


Editorial
---------

s/Proxy Mobile IPv6 enables IP mobility for a host without requiring
   its participation in any mobility signaling, being the network
   responsible for managing IP mobility on behalf of the host./Proxy
   Mobile IPv6 enables IP mobility for a host without requiring
   its participation in any mobility signaling. Mobility agents within
   the network are responsible for managing IP mobility on behalf of
   the host.

s/However, this network-based mobility management support is specific
   to an IP host and currently there is no such network-based mobility
   management support for a mobile router with a cluster of IP hosts
   behind it./However Proxy Mobile IPv6 support is specifically
   intended for a host. Mobile routers can also benefit from the
   network based mobility solution provided by Proxy Mobile IPv6. This
   document extends Proxy Mobile IPv6 support to Mobile routers as
   well.

s/for its inside networks/for the networks subtending off the MR.

s/just as how that is supported for Home Network prefixes/in a similar
manner that the protocol supports hosts which are assigned home
network prefixes.

s/The mobile router forwards outgoing packets from its
   mobile network/The mobile router forwards outgoing or uplink
   packets from the networks that are subtending off it

s/ and the MAG
   delivers the incoming packets to the mobile network/and the MAG
   delivers the downlink packets to the MR.

s/to be able to intercept the related DHCPv6 message sourced from the
mobile router /in order to intercept the related DHCPv6 message
transmitted by the MR.

s/If the network mobility service needs to be offered to the mobile
   router/If the network mobility service is authorized for the mobile
   router

s/This requires the MAG to send a regular
        PBU to the LMA to register the location of the mobile router and
        set-up the bi-directional tunnel./This requires the MAG to
        send a regular PBU (with flag R set) to the LMA to register the
         mobile router and set-up the bi-directional tunnel.



-Raj

--14dae9340f53d41a0404ceefe32f
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<br><br>I-D: Prefix Delegation for Proxy Mobile IPv6<br>&lt;draft-ietf-nete=
xt-pd-pmip-05&gt; <br><br><br>Issues:<br>-------<br>1. I-D states: &quot;Ho=
wever, Proxy Mobile IPv6 does not support assigning<br>a prefix to a router=
 and=A0 managing its IP mobility.&quot;<br>
<br>PMIP6 specifically mentions that the network based mobility solution<br=
>is for a host (as defined in RFC3775). It would be useful to mention<br>th=
at this I-D is extending network based mobility support to routers<br>as we=
ll.<br>
<br>2. &quot;This document specifies an extension to<br>=A0=A0 Proxy Mobile=
 IPv6 protocol for supporting network mobility using<br>=A0=A0 DHCPv6-based=
 Prefix Delegation.&quot;<br><br>Should it explicitly state that the extens=
ion to PMIP6 protocol is for<br>
enabling network mobility for routers?<br><br>3. &quot;The mobility element=
s in the network allow the<br>=A0=A0 IP host to obtain an IPv4 address and/=
or a set of IPv6 addresses<br>=A0=A0 ...&quot;<br><br>MAG/LMA assign the ho=
st an IPv6 prefix.<br>
<br>4. Would be useful to mention how binding revocation is handled in the<=
br>case of delegated prefixes to the MR.<br><br>5. How does the MAG know th=
at it needs to allow forwarding of packets<br>via the PMIP6 tunnel for pack=
ets with SRC address that are derived<br>
from the delegated prefixes? Its not clear if there is added<br>functionali=
ty needed at the MAG to accomplish this.<br><br><br>Editorial<br>---------<=
br><br>s/Proxy Mobile IPv6 enables IP mobility for a host without requiring=
<br>
=A0=A0 its participation in any mobility signaling, being the network<br>=
=A0=A0 responsible for managing IP mobility on behalf of the host./Proxy<br=
>=A0=A0 Mobile IPv6 enables IP mobility for a host without requiring <br>=
=A0=A0 its participation in any mobility signaling. Mobility agents within<=
br>
=A0=A0 the network are responsible for managing IP mobility on behalf of<br=
>=A0=A0 the host.<br><br>s/However, this network-based mobility management =
support is specific<br>=A0=A0 to an IP host and currently there is no such =
network-based mobility<br>
=A0=A0 management support for a mobile router with a cluster of IP hosts<br=
>=A0=A0 behind it./However Proxy Mobile IPv6 support is specifically<br>=A0=
=A0 intended for a host. Mobile routers can also benefit from the<br>=A0=A0=
 network based mobility solution provided by Proxy Mobile IPv6. This<br>
=A0=A0 document extends Proxy Mobile IPv6 support to Mobile routers as<br>=
=A0=A0 well.<br><br>s/for its inside networks/for the networks subtending o=
ff the MR.<br><br>s/just as how that is supported for Home Network prefixes=
/in a similar<br>
manner that the protocol supports hosts which are assigned home<br>network =
prefixes.<br><br>s/The mobile router forwards outgoing packets from its<br>=
=A0=A0 mobile network/The mobile router forwards outgoing or uplink<br>=A0=
=A0 packets from the networks that are subtending off it<br>
<br>s/ and the MAG<br>=A0=A0 delivers the incoming packets to the mobile ne=
twork/and the MAG<br>=A0=A0 delivers the downlink packets to the MR.<br><br=
>s/to be able to intercept the related DHCPv6 message sourced from the<br>m=
obile router /in order to intercept the related DHCPv6 message<br>
transmitted by the MR.<br><br>s/If the network mobility service needs to be=
 offered to the mobile<br>=A0=A0 router/If the network mobility service is =
authorized for the mobile<br>=A0=A0 router <br><br>s/This requires the MAG =
to send a regular<br>
=A0=A0=A0=A0=A0=A0=A0 PBU to the LMA to register the location of the mobile=
 router and<br>=A0=A0=A0=A0=A0=A0=A0 set-up the bi-directional tunnel./This=
 requires the MAG to<br>=A0=A0=A0=A0=A0=A0=A0 send a regular PBU (with flag=
 R set) to the LMA to register the<br>
=A0=A0=A0=A0=A0=A0=A0=A0 mobile router and set-up the bi-directional tunnel=
.<br><br><br><br>-Raj<br clear=3D"all"><br>

--14dae9340f53d41a0404ceefe32f--

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Basavaraj Patil wrote:
>
> 5. How does the MAG know that it needs to allow forwarding of packets=20
> via the PMIP6 tunnel for packets with SRC address that are derived=20
> from the delegated prefixes? Its not clear if there is added=20
> functionality needed at the MAG to accomplish this.

I think there are potentially some deeper issues here.

The MN sees the original MAG as its "delegating router".  When the
MN changes to a new MAG, there is no good way to tell that the
delegated prefixes are still routable to the link.  The delegating
router has become unreachable.  The new router may send an RA that
advertises the original link prefix, and so the MN can tell that
its SLAAC unicast addresses are still valid on the link.  However,
RFC 3633 says that the delegated prefix is NOT advertised on the
link between the delegating router and the requesting router.
Therefore, there is no way for the MR to determine whether it can
still use the delegated prefixes, other than perhaps re-running
DHCPv6-PD on the new link.

-Pete



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Raj,

On Nov 20, 2012, at 6:40 PM, Basavaraj Patil wrote:

> 
> 
> I-D: Prefix Delegation for Proxy Mobile IPv6
> <draft-ietf-netext-pd-pmip-05> 
> 
> 
> Issues:
> -------
> 1. I-D states: "However, Proxy Mobile IPv6 does not support assigning
> a prefix to a router and  managing its IP mobility."
> 
> PMIP6 specifically mentions that the network based mobility solution
> is for a host (as defined in RFC3775). It would be useful to mention
> that this I-D is extending network based mobility support to routers
> as well.

Ok. I would write this as:

   responsible for managing IP mobility on behalf of the host.  However,
   Proxy Mobile IPv6 does not support assigning a prefix to a router and
   managing IP mobility for it and the networks it serves. This document

> 2. "This document specifies an extension to
>    Proxy Mobile IPv6 protocol for supporting network mobility using
>    DHCPv6-based Prefix Delegation."
> 
> Should it explicitly state that the extension to PMIP6 protocol is for
> enabling network mobility for routers?

Maybe.. see above.

> 3. "The mobility elements in the network allow the
>    IP host to obtain an IPv4 address and/or a set of IPv6 addresses
>    ..."
> 
> MAG/LMA assign the host an IPv6 prefix.

Could you elaborate a bit more?


> 4. Would be useful to mention how binding revocation is handled in the
> case of delegated prefixes to the MR.

Good point. That needs to be clarified.

> 5. How does the MAG know that it needs to allow forwarding of packets
> via the PMIP6 tunnel for packets with SRC address that are derived
> from the delegated prefixes? Its not clear if there is added
> functionality needed at the MAG to accomplish this.

Section 3.4.2 states it..? I don't quite get what is missing here..


> Editorial
> ---------
> 
> s/Proxy Mobile IPv6 enables IP mobility for a host without requiring
>    its participation in any mobility signaling, being the network
>    responsible for managing IP mobility on behalf of the host./Proxy
>    Mobile IPv6 enables IP mobility for a host without requiring 
>    its participation in any mobility signaling. Mobility agents within
>    the network are responsible for managing IP mobility on behalf of
>    the host.
> 
> s/However, this network-based mobility management support is specific
>    to an IP host and currently there is no such network-based mobility
>    management support for a mobile router with a cluster of IP hosts
>    behind it./However Proxy Mobile IPv6 support is specifically
>    intended for a host. Mobile routers can also benefit from the
>    network based mobility solution provided by Proxy Mobile IPv6. This
>    document extends Proxy Mobile IPv6 support to Mobile routers as
>    well.
> 
> s/for its inside networks/for the networks subtending off the MR.
> 
> s/just as how that is supported for Home Network prefixes/in a similar
> manner that the protocol supports hosts which are assigned home
> network prefixes.
> 
> s/The mobile router forwards outgoing packets from its
>    mobile network/The mobile router forwards outgoing or uplink
>    packets from the networks that are subtending off it
> 
> s/ and the MAG
>    delivers the incoming packets to the mobile network/and the MAG
>    delivers the downlink packets to the MR.
> 
> s/to be able to intercept the related DHCPv6 message sourced from the
> mobile router /in order to intercept the related DHCPv6 message
> transmitted by the MR.
> 
> s/If the network mobility service needs to be offered to the mobile
>    router/If the network mobility service is authorized for the mobile
>    router 
> 
> s/This requires the MAG to send a regular
>         PBU to the LMA to register the location of the mobile router and
>         set-up the bi-directional tunnel./This requires the MAG to
>         send a regular PBU (with flag R set) to the LMA to register the
>          mobile router and set-up the bi-directional tunnel.


Cumulative ACK for the rest.

- Jouni


> 
> 
> 
> -Raj
> 
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext


From jouni.nospam@gmail.com  Tue Nov 20 12:07:57 2012
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Pete,

On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:

> Basavaraj Patil wrote:
>>=20
>> 5. How does the MAG know that it needs to allow forwarding of packets=20=

>> via the PMIP6 tunnel for packets with SRC address that are derived=20
>> from the delegated prefixes? Its not clear if there is added=20
>> functionality needed at the MAG to accomplish this.
>=20
> I think there are potentially some deeper issues here.
>=20
> The MN sees the original MAG as its "delegating router".  When the
> MN changes to a new MAG, there is no good way to tell that the
> delegated prefixes are still routable to the link.  The delegating

This is what the I-D is about.. That's we got the new signaling in=20
place and the handover case described in Section 3.4.3.

> router has become unreachable.  The new router may send an RA that
> advertises the original link prefix, and so the MN can tell that
> its SLAAC unicast addresses are still valid on the link.  However,

When the MR (i.e. in RFC5213 terminology the MN) does a handover, the
prefix used between the MR-MAG stays the same as usually provided by
PMIP6. Section 3.4.3 the describes what the MAG has to do in order to
know the existing delegated prefixes and set the forwarding state.

> RFC 3633 says that the delegated prefix is NOT advertised on the
> link between the delegating router and the requesting router.

And they are not. The delegated prefixes are used on the downstream
interfaces of the MR, not on the MR-MAG link. If the prefix used on
the MR-MAG link is part of the delegated prefix, then the MR has to
use RFC6603.

> Therefore, there is no way for the MR to determine whether it can
> still use the delegated prefixes, other than perhaps re-running
> DHCPv6-PD on the new link.

=46rom MR point of view nothing changed. So what is the issue?

- Jouni


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


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From: Peter McCann <Peter.McCann@huawei.com>
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Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

What if the new MAG cannot connect back to the old LMA?  How does the
MR find out that its delegated prefix is no longer routable?

-Pete


jouni korhonen wrote:
>=20
> Pete,
>=20
> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>=20
>> Basavaraj Patil wrote:
>>>=20
>>> 5. How does the MAG know that it needs to allow forwarding of packets
>>> via the PMIP6 tunnel for packets with SRC address that are derived
>>> from the delegated prefixes? Its not clear if there is added
>>> functionality needed at the MAG to accomplish this.
>>=20
>> I think there are potentially some deeper issues here.
>>=20
>> The MN sees the original MAG as its "delegating router".  When the
>> MN changes to a new MAG, there is no good way to tell that the
>> delegated prefixes are still routable to the link.  The delegating
>=20
> This is what the I-D is about.. That's we got the new signaling in
> place and the handover case described in Section 3.4.3.
>=20
>> router has become unreachable.  The new router may send an RA that
>> advertises the original link prefix, and so the MN can tell that its
>> SLAAC unicast addresses are still valid on the link.  However,
>=20
> When the MR (i.e. in RFC5213 terminology the MN) does a handover, the
> prefix used between the MR-MAG stays the same as usually provided by
> PMIP6. Section 3.4.3 the describes what the MAG has to do in order to
> know the existing delegated prefixes and set the forwarding state.
>=20
>> RFC 3633 says that the delegated prefix is NOT advertised on the
>> link between the delegating router and the requesting router.
>=20
> And they are not. The delegated prefixes are used on the downstream
> interfaces of the MR, not on the MR-MAG link. If the prefix used on
> the MR-MAG link is part of the delegated prefix, then the MR has to
> use RFC6603.
>=20
>> Therefore, there is no way for the MR to determine whether it can
>> still use the delegated prefixes, other than perhaps re-running
>> DHCPv6-PD on the new link.
>=20
> From MR point of view nothing changed. So what is the issue?
>=20
> - Jouni
>=20
>=20
>>=20
>> -Pete
>>=20
>>=20
>> _______________________________________________
>> netext mailing list
>> netext@ietf.org
>> https://www.ietf.org/mailman/listinfo/netext




From jouni.nospam@gmail.com  Tue Nov 20 12:38:26 2012
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To: Peter McCann <Peter.McCann@huawei.com>
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:

> Hi, Jouni,
> 
> What if the new MAG cannot connect back to the old LMA?  How does the
> MR find out that its delegated prefix is no longer routable?

In that case your PMIP session goes down.. and the MR sees it as a change
of the link. In that case MR does what any DHCP client is supposed to do
i.e. verify whether its prefixes are still valid on the new link using a
confirm/reply exchange.

- JOuni

> 
> -Pete
> 
> 
> jouni korhonen wrote:
>> 
>> Pete,
>> 
>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>> 
>>> Basavaraj Patil wrote:
>>>> 
>>>> 5. How does the MAG know that it needs to allow forwarding of packets
>>>> via the PMIP6 tunnel for packets with SRC address that are derived
>>>> from the delegated prefixes? Its not clear if there is added
>>>> functionality needed at the MAG to accomplish this.
>>> 
>>> I think there are potentially some deeper issues here.
>>> 
>>> The MN sees the original MAG as its "delegating router".  When the
>>> MN changes to a new MAG, there is no good way to tell that the
>>> delegated prefixes are still routable to the link.  The delegating
>> 
>> This is what the I-D is about.. That's we got the new signaling in
>> place and the handover case described in Section 3.4.3.
>> 
>>> router has become unreachable.  The new router may send an RA that
>>> advertises the original link prefix, and so the MN can tell that its
>>> SLAAC unicast addresses are still valid on the link.  However,
>> 
>> When the MR (i.e. in RFC5213 terminology the MN) does a handover, the
>> prefix used between the MR-MAG stays the same as usually provided by
>> PMIP6. Section 3.4.3 the describes what the MAG has to do in order to
>> know the existing delegated prefixes and set the forwarding state.
>> 
>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>> link between the delegating router and the requesting router.
>> 
>> And they are not. The delegated prefixes are used on the downstream
>> interfaces of the MR, not on the MR-MAG link. If the prefix used on
>> the MR-MAG link is part of the delegated prefix, then the MR has to
>> use RFC6603.
>> 
>>> Therefore, there is no way for the MR to determine whether it can
>>> still use the delegated prefixes, other than perhaps re-running
>>> DHCPv6-PD on the new link.
>> 
>> From MR point of view nothing changed. So what is the issue?
>> 
>> - Jouni
>> 
>> 
>>> 
>>> -Pete
>>> 
>>> 
>>> _______________________________________________
>>> netext mailing list
>>> netext@ietf.org
>>> https://www.ietf.org/mailman/listinfo/netext
> 
> 
> 


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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
>=20
> Pete,
>=20
> On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:
>=20
>> Hi, Jouni,
>>=20
>> What if the new MAG cannot connect back to the old LMA?  How does
>> the MR find out that its delegated prefix is no longer routable?
>=20
> In that case your PMIP session goes down.. and the MR sees it as a
> change of the link. In that case MR does what any DHCP client is
> supposed to do i.e. verify whether its prefixes are still valid on the
> new link using a confirm/reply exchange.

How exactly does the MR detect that the PMIP session has gone down?
The MR sees a MAG with the same globally reserved link-layer and
link-local address.  Is it looking for a Router Advertisement with
a new link prefix?  RFC 4861 specifies that subsequent Router=20
Advertisements do not invalidate previously received information.

Besides, as we have noted, the RAs have nothing to do with the
delegated prefix so it seems wrong to use them to control the
validity of the delegated prefix.

-Pete

>=20
> - JOuni
>=20
>>=20
>> -Pete
>>=20
>>=20
>> jouni korhonen wrote:
>>>=20
>>> Pete,
>>>=20
>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>=20
>>>> Basavaraj Patil wrote:
>>>>>=20
>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>> is added functionality needed at the MAG to accomplish this.
>>>>=20
>>>> I think there are potentially some deeper issues here.
>>>>=20
>>>> The MN sees the original MAG as its "delegating router".  When the
>>>> MN changes to a new MAG, there is no good way to tell that the
>>>> delegated prefixes are still routable to the link.  The delegating
>>>=20
>>> This is what the I-D is about.. That's we got the new signaling in
>>> place and the handover case described in Section 3.4.3.
>>>=20
>>>> router has become unreachable.  The new router may send an RA that
>>>> advertises the original link prefix, and so the MN can tell that its
>>>> SLAAC unicast addresses are still valid on the link.  However,
>>>=20
>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover, the
>>> prefix used between the MR-MAG stays the same as usually provided by
>>> PMIP6. Section 3.4.3 the describes what the MAG has to do in order to
>>> know the existing delegated prefixes and set the forwarding state.
>>>=20
>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>> link between the delegating router and the requesting router.
>>>=20
>>> And they are not. The delegated prefixes are used on the downstream
>>> interfaces of the MR, not on the MR-MAG link. If the prefix used on
>>> the MR-MAG link is part of the delegated prefix, then the MR has to
>>> use RFC6603.
>>>=20
>>>> Therefore, there is no way for the MR to determine whether it can
>>>> still use the delegated prefixes, other than perhaps re-running
>>>> DHCPv6-PD on the new link.
>>>=20
>>> From MR point of view nothing changed. So what is the issue?
>>>=20
>>> - Jouni
>>>=20
>>>=20
>>>>=20
>>>> -Pete
>>>>=20
>>>>=20
>>>> _______________________________________________
>>>> netext mailing list
>>>> netext@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/netext
>>=20
>>=20
>>




From jouni.nospam@gmail.com  Tue Nov 20 13:39:15 2012
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

On Nov 20, 2012, at 11:02 PM, Peter McCann wrote:

> Hi, Jouni,
> 
> jouni korhonen wrote:
>> 
>> Pete,
>> 
>> On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:
>> 
>>> Hi, Jouni,
>>> 
>>> What if the new MAG cannot connect back to the old LMA?  How does
>>> the MR find out that its delegated prefix is no longer routable?
>> 
>> In that case your PMIP session goes down.. and the MR sees it as a
>> change of the link. In that case MR does what any DHCP client is
>> supposed to do i.e. verify whether its prefixes are still valid on the
>> new link using a confirm/reply exchange.
> 
> How exactly does the MR detect that the PMIP session has gone down?
> The MR sees a MAG with the same globally reserved link-layer and
> link-local address.  Is it looking for a Router Advertisement with
> a new link prefix?  RFC 4861 specifies that subsequent Router 
> Advertisements do not invalidate previously received information.

If the PMIP session goes down and the LMA changes then the HNP
also changes. For the MR that is an indication that something
happened on the link -> confirm. If that is not a good enough
indication I would assume the MR gets link up/down even since the
end of PMIP session would also mean the MAG kicks the MR out of
the L2 session.

If the link is some wireless technology e.g. a cellular link, then 
a PMIP session change would equal more drastic stuff on the MAG
facing interface/link. The MR would definitely know the link
changed or something happened to it -> confirm.

To be sure the MR sees the change of link, each PMIP session could
have their unique MAG link-local (possible by specs but a hack in a
way, thus not elaborated in this I-D).

Even RFC3315 is rather vague how the client figures out the link
changed. It is just assumed it somehow gets some indication something
happened.

- Jouni

> Besides, as we have noted, the RAs have nothing to do with the
> delegated prefix so it seems wrong to use them to control the
> validity of the delegated prefix.



> 
> -Pete
> 
>> 
>> - JOuni
>> 
>>> 
>>> -Pete
>>> 
>>> 
>>> jouni korhonen wrote:
>>>> 
>>>> Pete,
>>>> 
>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>> 
>>>>> Basavaraj Patil wrote:
>>>>>> 
>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>>> is added functionality needed at the MAG to accomplish this.
>>>>> 
>>>>> I think there are potentially some deeper issues here.
>>>>> 
>>>>> The MN sees the original MAG as its "delegating router".  When the
>>>>> MN changes to a new MAG, there is no good way to tell that the
>>>>> delegated prefixes are still routable to the link.  The delegating
>>>> 
>>>> This is what the I-D is about.. That's we got the new signaling in
>>>> place and the handover case described in Section 3.4.3.
>>>> 
>>>>> router has become unreachable.  The new router may send an RA that
>>>>> advertises the original link prefix, and so the MN can tell that its
>>>>> SLAAC unicast addresses are still valid on the link.  However,
>>>> 
>>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover, the
>>>> prefix used between the MR-MAG stays the same as usually provided by
>>>> PMIP6. Section 3.4.3 the describes what the MAG has to do in order to
>>>> know the existing delegated prefixes and set the forwarding state.
>>>> 
>>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>>> link between the delegating router and the requesting router.
>>>> 
>>>> And they are not. The delegated prefixes are used on the downstream
>>>> interfaces of the MR, not on the MR-MAG link. If the prefix used on
>>>> the MR-MAG link is part of the delegated prefix, then the MR has to
>>>> use RFC6603.
>>>> 
>>>>> Therefore, there is no way for the MR to determine whether it can
>>>>> still use the delegated prefixes, other than perhaps re-running
>>>>> DHCPv6-PD on the new link.
>>>> 
>>>> From MR point of view nothing changed. So what is the issue?
>>>> 
>>>> - Jouni
>>>> 
>>>> 
>>>>> 
>>>>> -Pete
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> netext mailing list
>>>>> netext@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/netext
>>> 
>>> 
>>> 
> 
> 
> 


From Peter.McCann@huawei.com  Tue Nov 20 13:46:41 2012
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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Date: Tue, 20 Nov 2012 21:46:31 +0000
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
>=20
> Pete,
>=20
> On Nov 20, 2012, at 11:02 PM, Peter McCann wrote:
>=20
>> Hi, Jouni,
>>=20
>> jouni korhonen wrote:
>>>=20
>>> Pete,
>>>=20
>>> On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:
>>>=20
>>>> Hi, Jouni,
>>>>=20
>>>> What if the new MAG cannot connect back to the old LMA?  How does
>>>> the MR find out that its delegated prefix is no longer routable?
>>>=20
>>> In that case your PMIP session goes down.. and the MR sees it as a
>>> change of the link. In that case MR does what any DHCP client is
>>> supposed to do i.e. verify whether its prefixes are still valid on
>>> the new link using a confirm/reply exchange.
>>=20
>> How exactly does the MR detect that the PMIP session has gone down?
>> The MR sees a MAG with the same globally reserved link-layer and
>> link-local address.  Is it looking for a Router Advertisement with a
>> new link prefix?  RFC 4861 specifies that subsequent Router
>> Advertisements do not invalidate previously received information.
>=20
> If the PMIP session goes down and the LMA changes then the HNP also
> changes. For the MR that is an indication that something happened on
> the link -> confirm.=20

The only way to communicate the new HNP is with an RA, correct?

> If that is not a good enough indication I would
> assume the MR gets link up/down even since the end of PMIP session
> would also mean the MAG kicks the MR out of the L2 session.

I don't see why this handover should be any different at L2 from
the handovers within a single PMIP domain.  I think the MN would
get link down/up (or not) in both cases, and would not be able to
distinguish the end of the session on this basis.

> If the link is some wireless technology e.g. a cellular link, then a
> PMIP session change would equal more drastic stuff on the MAG facing
> interface/link. The MR would definitely know the link changed or
> something happened to it -> confirm.

It is an inter-MAG handover like any other.  Indistinguishable at
L2.

> To be sure the MR sees the change of link, each PMIP session could
> have their unique MAG link-local (possible by specs but a hack in a
> way, thus not elaborated in this I-D).

Even so the receipt of a new RA from a new link-local address would
not invalidate the old information received from the old MAG.  This
is not a trigger that deprecates the old prefix.  An MN conforming
to 4861 would not necessarily take any action upon receiving the new
RA.

> Even RFC3315 is rather vague how the client figures out the link
> changed. It is just assumed it somehow gets some indication something
> happened.

I don't think we can assume that inter-MAG handoffs involving a change
of LMA are at all distinguishable at the link layer from inter-MAG
handoffs that do not involve a change of LMA.

-Pete

>=20
> - Jouni
>=20
>> Besides, as we have noted, the RAs have nothing to do with the
>> delegated prefix so it seems wrong to use them to control the validity
>> of the delegated prefix.
>=20
>=20
>=20
>>=20
>> -Pete
>>=20
>>>=20
>>> - JOuni
>>>=20
>>>>=20
>>>> -Pete
>>>>=20
>>>>=20
>>>> jouni korhonen wrote:
>>>>>=20
>>>>> Pete,
>>>>>=20
>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>=20
>>>>>> Basavaraj Patil wrote:
>>>>>>>=20
>>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>>>> is added functionality needed at the MAG to accomplish this.
>>>>>>=20
>>>>>> I think there are potentially some deeper issues here.
>>>>>>=20
>>>>>> The MN sees the original MAG as its "delegating router".  When the
>>>>>> MN changes to a new MAG, there is no good way to tell that the
>>>>>> delegated prefixes are still routable to the link.  The
> delegating
>>>>>=20
>>>>> This is what the I-D is about.. That's we got the new signaling
>>>>> in place and the handover case described in Section 3.4.3.
>>>>>=20
>>>>>> router has become unreachable.  The new router may send an RA that
>>>>>> advertises the original link prefix, and so the MN can tell that
>>>>>> its SLAAC unicast addresses are still valid on the link.
> However,
>>>>>=20
>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover,
>>>>> the prefix used between the MR-MAG stays the same as usually
>>>>> provided by PMIP6. Section 3.4.3 the describes what the MAG has to
>>>>> do in order to know the existing delegated prefixes and set the
>>>>> forwarding state.
>>>>>=20
>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>>>> link between the delegating router and the requesting router.
>>>>>=20
>>>>> And they are not. The delegated prefixes are used on the downstream
>>>>> interfaces of the MR, not on the MR-MAG link. If the prefix used on
>>>>> the MR-MAG link is part of the delegated prefix, then the MR has to
>>>>> use RFC6603.
>>>>>=20
>>>>>> Therefore, there is no way for the MR to determine whether it
>>>>>> can still use the delegated prefixes, other than perhaps
>>>>>> re-running DHCPv6-PD on the new link.
>>>>>=20
>>>>> From MR point of view nothing changed. So what is the issue?
>>>>>=20
>>>>> - Jouni
>>>>>=20
>>>>>=20
>>>>>>=20
>>>>>> -Pete
>>>>>>=20
>>>>>>=20
>>>>>> _______________________________________________
>>>>>> netext mailing list
>>>>>> netext@ietf.org
>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>=20
>>>>=20
>>>>=20
>>=20
>>=20
>>




From jouni.nospam@gmail.com  Tue Nov 20 14:59:33 2012
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To: Peter McCann <Peter.McCann@huawei.com>
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

On Nov 20, 2012, at 11:46 PM, Peter McCann wrote:

> Hi, Jouni,
> 
> jouni korhonen wrote:
>> 
>> Pete,
>> 
>> On Nov 20, 2012, at 11:02 PM, Peter McCann wrote:
>> 
>>> Hi, Jouni,
>>> 
>>> jouni korhonen wrote:
>>>> 
>>>> Pete,
>>>> 
>>>> On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:
>>>> 
>>>>> Hi, Jouni,
>>>>> 
>>>>> What if the new MAG cannot connect back to the old LMA?  How does
>>>>> the MR find out that its delegated prefix is no longer routable?
>>>> 
>>>> In that case your PMIP session goes down.. and the MR sees it as a
>>>> change of the link. In that case MR does what any DHCP client is
>>>> supposed to do i.e. verify whether its prefixes are still valid on
>>>> the new link using a confirm/reply exchange.
>>> 
>>> How exactly does the MR detect that the PMIP session has gone down?
>>> The MR sees a MAG with the same globally reserved link-layer and
>>> link-local address.  Is it looking for a Router Advertisement with a
>>> new link prefix?  RFC 4861 specifies that subsequent Router
>>> Advertisements do not invalidate previously received information.
>> 
>> If the PMIP session goes down and the LMA changes then the HNP also
>> changes. For the MR that is an indication that something happened on
>> the link -> confirm. 
> 
> The only way to communicate the new HNP is with an RA, correct?

No. Also DHCP applies. If your assumption about MN/MR not being able to
figure out when to confirm its address/prefix, then whole RFC5213 DHCP-based
address assignment would be broken.

>> If that is not a good enough indication I would
>> assume the MR gets link up/down even since the end of PMIP session
>> would also mean the MAG kicks the MR out of the L2 session.
> 
> I don't see why this handover should be any different at L2 from
> the handovers within a single PMIP domain.  I think the MN would
> get link down/up (or not) in both cases, and would not be able to
> distinguish the end of the session on this basis.

You were talking about the change of LMA.. which would per current specs
mean end of PMIP session. Now if PMIP session ends the MN/MR won't  be
let hanging around in L2 either, right? So the MN/MR would definitely
know that it got kicked away. Think e.g. about cellular case. The lost
of session means the link is plain gone. 

>> If the link is some wireless technology e.g. a cellular link, then a
>> PMIP session change would equal more drastic stuff on the MAG facing
>> interface/link. The MR would definitely know the link changed or
>> something happened to it -> confirm.
> 
> It is an inter-MAG handover like any other.  Indistinguishable at
> L2.

It is way different than an inter-MAG handover. See above.

>> To be sure the MR sees the change of link, each PMIP session could
>> have their unique MAG link-local (possible by specs but a hack in a
>> way, thus not elaborated in this I-D).
> 
> Even so the receipt of a new RA from a new link-local address would
> not invalidate the old information received from the old MAG.  This
> is not a trigger that deprecates the old prefix.  An MN conforming
> to 4861 would not necessarily take any action upon receiving the new
> RA.

DNA.

>> Even RFC3315 is rather vague how the client figures out the link
>> changed. It is just assumed it somehow gets some indication something
>> happened.
> 
> I don't think we can assume that inter-MAG handoffs involving a change
> of LMA are at all distinguishable at the link layer from inter-MAG
> handoffs that do not involve a change of LMA.

I disagree. You would know it at your L2. And even if you wouldn't have
such L2, your MAG or latest LMA should send you a destination unreachable
ICMP telling the packets (having src out of delegated prefix) won't get
delivered. If not.. then the deployment is broken and we cannot fix that
part with a spec.

- Jouni


> 
> -Pete
> 
>> 
>> - Jouni
>> 
>>> Besides, as we have noted, the RAs have nothing to do with the
>>> delegated prefix so it seems wrong to use them to control the validity
>>> of the delegated prefix.
>> 
>> 
>> 
>>> 
>>> -Pete
>>> 
>>>> 
>>>> - JOuni
>>>> 
>>>>> 
>>>>> -Pete
>>>>> 
>>>>> 
>>>>> jouni korhonen wrote:
>>>>>> 
>>>>>> Pete,
>>>>>> 
>>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>> 
>>>>>>> Basavaraj Patil wrote:
>>>>>>>> 
>>>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>>>>> is added functionality needed at the MAG to accomplish this.
>>>>>>> 
>>>>>>> I think there are potentially some deeper issues here.
>>>>>>> 
>>>>>>> The MN sees the original MAG as its "delegating router".  When the
>>>>>>> MN changes to a new MAG, there is no good way to tell that the
>>>>>>> delegated prefixes are still routable to the link.  The
>> delegating
>>>>>> 
>>>>>> This is what the I-D is about.. That's we got the new signaling
>>>>>> in place and the handover case described in Section 3.4.3.
>>>>>> 
>>>>>>> router has become unreachable.  The new router may send an RA that
>>>>>>> advertises the original link prefix, and so the MN can tell that
>>>>>>> its SLAAC unicast addresses are still valid on the link.
>> However,
>>>>>> 
>>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover,
>>>>>> the prefix used between the MR-MAG stays the same as usually
>>>>>> provided by PMIP6. Section 3.4.3 the describes what the MAG has to
>>>>>> do in order to know the existing delegated prefixes and set the
>>>>>> forwarding state.
>>>>>> 
>>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>>>>> link between the delegating router and the requesting router.
>>>>>> 
>>>>>> And they are not. The delegated prefixes are used on the downstream
>>>>>> interfaces of the MR, not on the MR-MAG link. If the prefix used on
>>>>>> the MR-MAG link is part of the delegated prefix, then the MR has to
>>>>>> use RFC6603.
>>>>>> 
>>>>>>> Therefore, there is no way for the MR to determine whether it
>>>>>>> can still use the delegated prefixes, other than perhaps
>>>>>>> re-running DHCPv6-PD on the new link.
>>>>>> 
>>>>>> From MR point of view nothing changed. So what is the issue?
>>>>>> 
>>>>>> - Jouni
>>>>>> 
>>>>>> 
>>>>>>> 
>>>>>>> -Pete
>>>>>>> 
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> netext mailing list
>>>>>>> netext@ietf.org
>>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>> 
>>>>> 
>>>>> 
>>> 
>>> 
>>> 
> 
> 
> 


From Peter.McCann@huawei.com  Tue Nov 20 20:56:02 2012
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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
> Pete,
>=20
> On Nov 20, 2012, at 11:46 PM, Peter McCann wrote:
>=20
>> Hi, Jouni,
>>=20
>> jouni korhonen wrote:
>>>=20
>>> Pete,
>>>=20
>>> On Nov 20, 2012, at 11:02 PM, Peter McCann wrote:
>>>=20
>>>> Hi, Jouni,
>>>>=20
>>>> jouni korhonen wrote:
>>>>>=20
>>>>> Pete,
>>>>>=20
>>>>> On Nov 20, 2012, at 10:18 PM, Peter McCann wrote:
>>>>>=20
>>>>>> Hi, Jouni,
>>>>>>=20
>>>>>> What if the new MAG cannot connect back to the old LMA?  How
>>>>>> does the MR find out that its delegated prefix is no longer routable=
?
>>>>>=20
>>>>> In that case your PMIP session goes down.. and the MR sees it as
>>>>> a change of the link. In that case MR does what any DHCP client
>>>>> is supposed to do i.e. verify whether its prefixes are still
>>>>> valid on the new link using a confirm/reply exchange.
>>>>=20
>>>> How exactly does the MR detect that the PMIP session has gone down?
>>>> The MR sees a MAG with the same globally reserved link-layer and
>>>> link-local address.  Is it looking for a Router Advertisement with a
>>>> new link prefix?  RFC 4861 specifies that subsequent Router
>>>> Advertisements do not invalidate previously received information.
>>>=20
>>> If the PMIP session goes down and the LMA changes then the HNP also
>>> changes. For the MR that is an indication that something happened
>>> on the link -> confirm.
>>=20
>> The only way to communicate the new HNP is with an RA, correct?
>=20
> No. Also DHCP applies. If your assumption about MN/MR not being able
> to figure out when to confirm its address/prefix, then whole RFC5213
> DHCP- based address assignment would be broken.

I guess if you sent a DHCP Renew every time you detected a link flap
(handover to new MAG) that would do the trick.  It seems somewhat
expensive, though.

>>> If that is not a good enough indication I would assume the MR gets
>>> link up/down even since the end of PMIP session would also mean the
>>> MAG kicks the MR out of the L2 session.
>>=20
>> I don't see why this handover should be any different at L2 from the
>> handovers within a single PMIP domain.  I think the MN would get
>> link down/up (or not) in both cases, and would not be able to
>> distinguish the end of the session on this basis.
>=20
> You were talking about the change of LMA.. which would per current
> specs mean end of PMIP session. Now if PMIP session ends the MN/MR
> won't  be let hanging around in L2 either, right? So the MN/MR would
> definitely know that it got kicked away. Think e.g. about cellular
> case. The lost of session means the link is plain gone.

It's perfectly conceivable to have an L2 handover to a new MAG in a=20
new PMIP domain.  I don't see why the L2 should be modified to know
about the topology of which MAGs can reach which LMAs.

>>> If the link is some wireless technology e.g. a cellular link, then
>>> a PMIP session change would equal more drastic stuff on the MAG
>>> facing interface/link. The MR would definitely know the link
>>> changed or something happened to it -> confirm.
>>=20
>> It is an inter-MAG handover like any other.  Indistinguishable at L2.
>=20
> It is way different than an inter-MAG handover. See above.

Why would the L2 know about the MAG-to-LMA topology?
=20
>>> To be sure the MR sees the change of link, each PMIP session could
>>> have their unique MAG link-local (possible by specs but a hack in a
>>> way, thus not elaborated in this I-D).
>>=20
>> Even so the receipt of a new RA from a new link-local address would not
>> invalidate the old information received from the old MAG.  This is not
>> a trigger that deprecates the old prefix.  An MN conforming to 4861
>> would not necessarily take any action upon receiving the new RA.
>=20
> DNA.

Ok, but if all the MAGs are using the same link-local address, NUD
would come back saying the router is still reachable, right?  Would
the MN/MR invalidate or try to reconfirm the old information in this
circumstance?

>>> Even RFC3315 is rather vague how the client figures out the link
>>> changed. It is just assumed it somehow gets some indication something
>>> happened.
>>=20
>> I don't think we can assume that inter-MAG handoffs involving a change
>> of LMA are at all distinguishable at the link layer from inter-MAG
>> handoffs that do not involve a change of LMA.
>=20
> I disagree. You would know it at your L2. And even if you wouldn't
> have such L2, your MAG or latest LMA should send you a destination
> unreachable ICMP telling the packets (having src out of delegated
> prefix) won't get delivered. If not.. then the deployment is broken
> and we cannot fix that part with a spec.

ICMP would only be sent if traffic is being generated.  I am more worried
about a state where the MN thinks its prefix is still good, but packets
aren't being delivered and it could be an indeterminate amount of time
before the situation is recognized/corrected.

-Pete

> - Jouni
>=20
>=20
>>=20
>> -Pete
>>=20
>>>=20
>>> - Jouni
>>>=20
>>>> Besides, as we have noted, the RAs have nothing to do with the
>>>> delegated prefix so it seems wrong to use them to control the
>>>> validity of the delegated prefix.
>>>=20
>>>=20
>>>=20
>>>>=20
>>>> -Pete
>>>>=20
>>>>>=20
>>>>> - JOuni
>>>>>=20
>>>>>>=20
>>>>>> -Pete
>>>>>>=20
>>>>>>=20
>>>>>> jouni korhonen wrote:
>>>>>>>=20
>>>>>>> Pete,
>>>>>>>=20
>>>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>>>=20
>>>>>>>> Basavaraj Patil wrote:
>>>>>>>>>=20
>>>>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>>>>>> is added functionality needed at the MAG to accomplish this.
>>>>>>>>=20
>>>>>>>> I think there are potentially some deeper issues here.
>>>>>>>>=20
>>>>>>>> The MN sees the original MAG as its "delegating router".  When
>>>>>>>> the MN changes to a new MAG, there is no good way to tell that
>>>>>>>> the delegated prefixes are still routable to the link.  The
>>> delegating
>>>>>>>=20
>>>>>>> This is what the I-D is about.. That's we got the new signaling
>>>>>>> in place and the handover case described in Section 3.4.3.
>>>>>>>=20
>>>>>>>> router has become unreachable.  The new router may send an RA
>>>>>>>> that advertises the original link prefix, and so the MN can tell
>>>>>>>> that its SLAAC unicast addresses are still valid on the link.
>>> However,
>>>>>>>=20
>>>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover,
>>>>>>> the prefix used between the MR-MAG stays the same as usually
>>>>>>> provided by PMIP6. Section 3.4.3 the describes what the MAG has to
>>>>>>> do in order to know the existing delegated prefixes and set the
>>>>>>> forwarding state.
>>>>>>>=20
>>>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>>>>>> link between the delegating router and the requesting router.
>>>>>>>=20
>>>>>>> And they are not. The delegated prefixes are used on the
>>>>>>> downstream interfaces of the MR, not on the MR-MAG link. If the
>>>>>>> prefix used on the MR-MAG link is part of the delegated prefix,
>>>>>>> then the MR has to use RFC6603.
>>>>>>>=20
>>>>>>>> Therefore, there is no way for the MR to determine whether it
>>>>>>>> can still use the delegated prefixes, other than perhaps
>>>>>>>> re-running DHCPv6-PD on the new link.
>>>>>>>=20
>>>>>>> From MR point of view nothing changed. So what is the issue?
>>>>>>>=20
>>>>>>> - Jouni
>>>>>>>=20
>>>>>>>=20
>>>>>>>>=20
>>>>>>>> -Pete
>>>>>>>>=20
>>>>>>>>=20
>>>>>>>> _______________________________________________
>>>>>>>> netext mailing list
>>>>>>>> netext@ietf.org
>>>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>=20
>>=20
>>




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Subject: [netext]  #11: Vague assumption on handover decision model
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#11: Vague assumption on handover decision model

 The I-D is not clear about the mobility initiator (mobility initiated by
 the mobile node or by the LMA?). For example, section 3.2.1 seems to
 implicitly assume LMA initiated mobility [the local mobility anchor does
 not need to perform any kind of signaling in order to move flows] while
 section 3.2.2 states that "The trigger for the flow movement can be on the
 mobile [...] node or on the network"

 However, the assumption on handover decision making must be clearly stated
 somewhere in the document (use-case section or in the beginning on the
 section "basic operations"....). Besides, it must be clarified that
 decision to move flows MUST be either on the MN or the LMA, not on both.
 The point is: when LMA and MN decision do not match, only one of these two
 entities must be able to make the final decision, otherwise there no way
 to synchronize forwarding policies. Note that this point has been already
 discussed on list.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  defect                   |     Status:  new
 Priority:  critical                 |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  Active WG Document       |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <https://trac.tools.ietf.org/wg/netext/trac/ticket/11>
netext <http://tools.ietf.org/netext/>


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Subject: [netext] #12: missing considerations on how to maintain consistent forwarding policies
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#12: missing considerations on how to maintain consistent forwarding policies

 Introduction and section 3.2 require consistent forwarding policies in
 both LMA and MN. That's true, but, it should also be stressed that, when
 the MN (or the LMA) moves a flow (i.e. update its forwarding policy), the
 LMA (or the MN) must update its policy accordingly. The document states
 that digression on policy consistency is out of scope; but dynamic
 policies alignment is a key requirement and the document should gives
 clues on that. The point is that this document is useless if there is no
 way to maintain consistent policies.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  defect                   |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  Active WG Document       |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/12>
netext <http://tools.ietf.org/netext/>


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Subject: [netext]  #13: remove Hybrid scenario for prefix management
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#13: remove Hybrid scenario for prefix management

 Hybrid scenario (scenario 3) is not detailed (section 3.2.3 basically says
 nothing). If we can't give motivation for scenario 3, we should remove it.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  enhancement              |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  Active WG Document       |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/13>
netext <http://tools.ietf.org/netext/>


From jouni.nospam@gmail.com  Wed Nov 21 04:03:11 2012
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References: <CAA5F1T1D0q-kN8r9H5PaDAXhqFozZ11FnEQ_4ce3XisFbJT+XQ@mail.gmail.com> <5963DDF1F751474D8DEEFDCDBEE43AE716E587E9@dfweml512-mbx.china.huawei.com> <9892BC94-F495-405F-93E9-90A33DAF8C96@gmail.com> <5963DDF1F751474D8DEEFDCDBEE43AE716E588CF@dfweml512-mbx.china.huawei.com> <DF31E9C5-2730-4078-95EA-A2A88A4A0CA5@gmail.com> <5963DDF1F751474D8DEEFDCDBEE43AE716E5890E@dfweml512-mbx.china.huawei.com> <4B2145DF-3D42-4EE4-A1F7-E3622F2A74D8@gmail.com> <5963DDF1F751474D8DEEFDCDBEE43AE716E58955@dfweml512-mbx.china.huawei.com> <F43FD8B7-01A9-4C88-B02B-B4219E36F129@gmail.com> <5963DDF1F751474D8DEEFDCDBEE43AE716E58A92@dfweml512-mbx.china.huawei.com>
To: Peter McCann <Peter.McCann@huawei.com>
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

On Nov 21, 2012, at 6:55 AM, Peter McCann wrote:

>>>>>> 
>>>>>>> Hi, Jouni,
>>>>>>> 
>>>>>>> What if the new MAG cannot connect back to the old LMA?  How
>>>>>>> does the MR find out that its delegated prefix is no longer routable?
>>>>>> 
>>>>>> In that case your PMIP session goes down.. and the MR sees it as
>>>>>> a change of the link. In that case MR does what any DHCP client
>>>>>> is supposed to do i.e. verify whether its prefixes are still
>>>>>> valid on the new link using a confirm/reply exchange.
>>>>> 
>>>>> How exactly does the MR detect that the PMIP session has gone down?
>>>>> The MR sees a MAG with the same globally reserved link-layer and
>>>>> link-local address.  Is it looking for a Router Advertisement with a
>>>>> new link prefix?  RFC 4861 specifies that subsequent Router
>>>>> Advertisements do not invalidate previously received information.
>>>> 
>>>> If the PMIP session goes down and the LMA changes then the HNP also
>>>> changes. For the MR that is an indication that something happened
>>>> on the link -> confirm.
>>> 
>>> The only way to communicate the new HNP is with an RA, correct?
>> 
>> No. Also DHCP applies. If your assumption about MN/MR not being able
>> to figure out when to confirm its address/prefix, then whole RFC5213
>> DHCP- based address assignment would be broken.
> 
> I guess if you sent a DHCP Renew every time you detected a link flap
> (handover to new MAG) that would do the trick.  It seems somewhat
> expensive, though.

It is what RFC3315 says.. client sends a confirm request.

>>>> If that is not a good enough indication I would assume the MR gets
>>>> link up/down even since the end of PMIP session would also mean the
>>>> MAG kicks the MR out of the L2 session.
>>> 
>>> I don't see why this handover should be any different at L2 from the
>>> handovers within a single PMIP domain.  I think the MN would get
>>> link down/up (or not) in both cases, and would not be able to
>>> distinguish the end of the session on this basis.
>> 
>> You were talking about the change of LMA.. which would per current
>> specs mean end of PMIP session. Now if PMIP session ends the MN/MR
>> won't  be let hanging around in L2 either, right? So the MN/MR would
>> definitely know that it got kicked away. Think e.g. about cellular
>> case. The lost of session means the link is plain gone.
> 
> It's perfectly conceivable to have an L2 handover to a new MAG in a 
> new PMIP domain.  I don't see why the L2 should be modified to know
> about the topology of which MAGs can reach which LMAs.

Are we still talking about the concern where the LMA changes as a result
of a handover or something else?

>>>> If the link is some wireless technology e.g. a cellular link, then
>>>> a PMIP session change would equal more drastic stuff on the MAG
>>>> facing interface/link. The MR would definitely know the link
>>>> changed or something happened to it -> confirm.
>>> 
>>> It is an inter-MAG handover like any other.  Indistinguishable at L2.
>> 
>> It is way different than an inter-MAG handover. See above.
> 
> Why would the L2 know about the MAG-to-LMA topology?

The LMA-LMA hanover, as per current RFC5213, would be visible as a
link flap or L2 session termination whatever. At least on those L2
technologies that I am aware of.

>>>> To be sure the MR sees the change of link, each PMIP session could
>>>> have their unique MAG link-local (possible by specs but a hack in a
>>>> way, thus not elaborated in this I-D).
>>> 
>>> Even so the receipt of a new RA from a new link-local address would not
>>> invalidate the old information received from the old MAG.  This is not
>>> a trigger that deprecates the old prefix.  An MN conforming to 4861
>>> would not necessarily take any action upon receiving the new RA.
>> 
>> DNA.
> 
> Ok, but if all the MAGs are using the same link-local address, NUD
> would come back saying the router is still reachable, right?  Would
> the MN/MR invalidate or try to reconfirm the old information in this
> circumstance?

The context for my assertion was stated earlier:

"..To be sure the MR sees the change of link, each PMIP session could
have their unique MAG link-local.." NUD would fail.

>>>> Even RFC3315 is rather vague how the client figures out the link
>>>> changed. It is just assumed it somehow gets some indication something
>>>> happened.
>>> 
>>> I don't think we can assume that inter-MAG handoffs involving a change
>>> of LMA are at all distinguishable at the link layer from inter-MAG
>>> handoffs that do not involve a change of LMA.
>> 
>> I disagree. You would know it at your L2. And even if you wouldn't
>> have such L2, your MAG or latest LMA should send you a destination
>> unreachable ICMP telling the packets (having src out of delegated
>> prefix) won't get delivered. If not.. then the deployment is broken
>> and we cannot fix that part with a spec.
> 
> ICMP would only be sent if traffic is being generated.  I am more worried
> about a state where the MN thinks its prefix is still good, but packets
> aren't being delivered and it could be an indeterminate amount of time
> before the situation is recognized/corrected.

How does this differ from what we see out in live today? Actually, if the
delegated prefix is not valid anymore but no host communicate outside 
world there is no need to renumber immediately. Only until the outside 
world is concerned again. There was a similar discussion e.g. in homenet.

- Jouni


> 
> -Pete
> 
>> - Jouni
>> 
>> 
>>> 
>>> -Pete
>>> 
>>>> 
>>>> - Jouni
>>>> 
>>>>> Besides, as we have noted, the RAs have nothing to do with the
>>>>> delegated prefix so it seems wrong to use them to control the
>>>>> validity of the delegated prefix.
>>>> 
>>>> 
>>>> 
>>>>> 
>>>>> -Pete
>>>>> 
>>>>>> 
>>>>>> - JOuni
>>>>>> 
>>>>>>> 
>>>>>>> -Pete
>>>>>>> 
>>>>>>> 
>>>>>>> jouni korhonen wrote:
>>>>>>>> 
>>>>>>>> Pete,
>>>>>>>> 
>>>>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>>>> 
>>>>>>>>> Basavaraj Patil wrote:
>>>>>>>>>> 
>>>>>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>>>>>> are derived from the delegated prefixes? Its not clear if there
>>>>>>>>>> is added functionality needed at the MAG to accomplish this.
>>>>>>>>> 
>>>>>>>>> I think there are potentially some deeper issues here.
>>>>>>>>> 
>>>>>>>>> The MN sees the original MAG as its "delegating router".  When
>>>>>>>>> the MN changes to a new MAG, there is no good way to tell that
>>>>>>>>> the delegated prefixes are still routable to the link.  The
>>>> delegating
>>>>>>>> 
>>>>>>>> This is what the I-D is about.. That's we got the new signaling
>>>>>>>> in place and the handover case described in Section 3.4.3.
>>>>>>>> 
>>>>>>>>> router has become unreachable.  The new router may send an RA
>>>>>>>>> that advertises the original link prefix, and so the MN can tell
>>>>>>>>> that its SLAAC unicast addresses are still valid on the link.
>>>> However,
>>>>>>>> 
>>>>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a handover,
>>>>>>>> the prefix used between the MR-MAG stays the same as usually
>>>>>>>> provided by PMIP6. Section 3.4.3 the describes what the MAG has to
>>>>>>>> do in order to know the existing delegated prefixes and set the
>>>>>>>> forwarding state.
>>>>>>>> 
>>>>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on the
>>>>>>>>> link between the delegating router and the requesting router.
>>>>>>>> 
>>>>>>>> And they are not. The delegated prefixes are used on the
>>>>>>>> downstream interfaces of the MR, not on the MR-MAG link. If the
>>>>>>>> prefix used on the MR-MAG link is part of the delegated prefix,
>>>>>>>> then the MR has to use RFC6603.
>>>>>>>> 
>>>>>>>>> Therefore, there is no way for the MR to determine whether it
>>>>>>>>> can still use the delegated prefixes, other than perhaps
>>>>>>>>> re-running DHCPv6-PD on the new link.
>>>>>>>> 
>>>>>>>> From MR point of view nothing changed. So what is the issue?
>>>>>>>> 
>>>>>>>> - Jouni
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> -Pete
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> _______________________________________________
>>>>>>>>> netext mailing list
>>>>>>>>> netext@ietf.org
>>>>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>> 
>>> 
>>> 
> 
> 
> 


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Subject: [netext]  #14: Align terminology
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#14: Align terminology

 In section 3.2 both MN-LL-Identifier and Mobile Node Link-Layer
 Identifier. Wording should be aligned.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  enhancement              |     Status:  new
 Priority:  trivial                  |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  -                        |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/14>
netext <http://tools.ietf.org/netext/>


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Subject: [netext]  #15: use "update notification" for FMI/FMA
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#15: use "update notification" for FMI/FMA

 If we go for pBU triggered by LMA signaling, the solution should use
 update notification UPN/UPA from draft-krishnan-netext-update-
 notifications (If adopted by the WG) instead of FMI/FMA which are
 functionally similar.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  enhancement              |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  -                        |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/15>
netext <http://tools.ietf.org/netext/>


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Subject: [netext]  #16: requirement for single interface
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#16: requirement for single interface

 In section 3.2.1: [if the IP layer at the mobile node shows one single
 interface, then the mobile node has one single IPv6 address configured at
 the IP layer: pref1::mn1.  Otherwise, two different IPv6 addresses
 (pref1::if1 and pref1::if2) would be configured.]
 Isn't "mobile node showing one single interface" a requirement? If two
 different IP addresses are configured, how IP flow mobility can provide IP
 session continuity?

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  defect                   |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  Active WG Document       |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/16>
netext <http://tools.ietf.org/netext/>


From trac+netext@trac.tools.ietf.org  Wed Nov 21 04:39:44 2012
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Subject: [netext]  #17: restrict scenario #2  to LMA initiated handover
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#17: restrict scenario #2  to LMA initiated handover

 scenario #2/section 3.2.2 gives two examples of triggers for MN initiated
 handover:

 1. by using layer-2 signaling: what kind of L2 signaling, between MN and
 LMA, can be used as mobility trigger? It must be clearly stated if such a
 statement implicitly leads to requirement on L2 (e.g. support of IEEE
 802.21 required).
 2. by explicitly start sending flow packets via a new interface: this
 statement seems to conflict with the need for FMI/FMA. If the packet can
 reach the LMA, the MAG does need to be configured (I can't remember if we
 have already discussed this on the list... sorry if so...)

 If operations for MN initiated handover cannot be clearly described, it
 should mentioned that scenario #2 covers only LMA initiated handover only.

-- 
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
     Type:  defect                   |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  Active WG Document       |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/17>
netext <http://tools.ietf.org/netext/>


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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
>>=20
>> I guess if you sent a DHCP Renew every time you detected a link flap
>> (handover to new MAG) that would do the trick.  It seems somewhat
>> expensive, though.
>=20
> It is what RFC3315 says.. client sends a confirm request.

Right, I am just pointing out that the link may flap even when the
same LMA is reachable.  Seems like overhead.  You seem to be requiring
that the link doesn't flap when the PMIP session continues after a MAG
to MAG handover under the same LMA.

>> It's perfectly conceivable to have an L2 handover to a new MAG in a
>> new PMIP domain.  I don't see why the L2 should be modified to know
>> about the topology of which MAGs can reach which LMAs.
>=20
> Are we still talking about the concern where the LMA changes as a
> result of a handover or something else?

I was still talking about change of LMA.  I still don't see why the L2
would behave differently depending on whether the new MAG can reach the
old LMA.

>> Why would the L2 know about the MAG-to-LMA topology?
>=20
> The LMA-LMA hanover, as per current RFC5213, would be visible as a
> link flap or L2 session termination whatever. At least on those L2
> technologies that I am aware of.

In my view, a MAG to MAG handover under the same LMA is equally likely
to lead to a link flap.  Which really does no harm, it only leads to
extra DHCP or RS/RA reconfirmation traffic in this case.

>> Ok, but if all the MAGs are using the same link-local address, NUD
>> would come back saying the router is still reachable, right?  Would
>> the MN/MR invalidate or try to reconfirm the old information in this
>> circumstance?
>=20
> The context for my assertion was stated earlier:
>=20
> "..To be sure the MR sees the change of link, each PMIP session could
> have their unique MAG link-local.." NUD would fail.

Yes, that might help, but it seems to run counter to the recommendation
in RFC 6543.  Also, I am not so sure that it will be possible to define
clean boundaries a priori where different link local addresses would
be assigned.  There may be some overlap in the LMA coverage areas (although
I agree this may not be likely.  More likely would be distinct administrati=
ve
domains with no relationship or coordination between them, which makes
coordinating assignment of MAG link-local addresses difficult).

>> ICMP would only be sent if traffic is being generated.  I am more
>> worried about a state where the MN thinks its prefix is still good,
>> but packets aren't being delivered and it could be an indeterminate
>> amount of time before the situation is recognized/corrected.
>=20
> How does this differ from what we see out in live today? Actually, if
> the delegated prefix is not valid anymore but no host communicate
> outside world there is no need to renumber immediately. Only until the
> outside world is concerned again. There was a similar discussion e.g.
> in homenet.

You may be running a server on the MN which is waiting for inbound
connections.  The peer correspondent nodes would send traffic to the
old prefix, and there would be no indication to the MN that the old
prefix isn't valid anymore.

-Pete

>=20
> - Jouni
>=20
>=20
>>=20
>> -Pete
>>=20
>>> - Jouni
>>>=20
>>>=20
>>>>=20
>>>> -Pete
>>>>=20
>>>>>=20
>>>>> - Jouni
>>>>>=20
>>>>>> Besides, as we have noted, the RAs have nothing to do with the
>>>>>> delegated prefix so it seems wrong to use them to control the
>>>>>> validity of the delegated prefix.
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>>=20
>>>>>> -Pete
>>>>>>=20
>>>>>>>=20
>>>>>>> - JOuni
>>>>>>>=20
>>>>>>>>=20
>>>>>>>> -Pete
>>>>>>>>=20
>>>>>>>>=20
>>>>>>>> jouni korhonen wrote:
>>>>>>>>>=20
>>>>>>>>> Pete,
>>>>>>>>>=20
>>>>>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>>>>>=20
>>>>>>>>>> Basavaraj Patil wrote:
>>>>>>>>>>>=20
>>>>>>>>>>> 5. How does the MAG know that it needs to allow forwarding of
>>>>>>>>>>> packets via the PMIP6 tunnel for packets with SRC address that
>>>>>>>>>>> are derived from the delegated prefixes? Its not clear if
>>>>>>>>>>> there is added functionality needed at the MAG to
> accomplish this.
>>>>>>>>>>=20
>>>>>>>>>> I think there are potentially some deeper issues here.
>>>>>>>>>>=20
>>>>>>>>>> The MN sees the original MAG as its "delegating router". When
>>>>>>>>>> the MN changes to a new MAG, there is no good way to tell that
>>>>>>>>>> the delegated prefixes are still routable to the link.  The
>>>>> delegating
>>>>>>>>>=20
>>>>>>>>> This is what the I-D is about.. That's we got the new signaling
>>>>>>>>> in place and the handover case described in Section 3.4.3.
>>>>>>>>>=20
>>>>>>>>>> router has become unreachable.  The new router may send an
>>>>>>>>>> RA that advertises the original link prefix, and so the MN
>>>>>>>>>> can tell that its SLAAC unicast addresses are still valid on
>>>>>>>>>> the
> link.
>>>>> However,
>>>>>>>>>=20
>>>>>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a
>>>>>>>>> handover, the prefix used between the MR-MAG stays the same as
>>>>>>>>> usually provided by PMIP6. Section 3.4.3 the describes what the
>>>>>>>>> MAG has to do in order to know the existing delegated prefixes
>>>>>>>>> and set the forwarding state.
>>>>>>>>>=20
>>>>>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on
>>>>>>>>>> the link between the delegating router and the requesting
> router.
>>>>>>>>>=20
>>>>>>>>> And they are not. The delegated prefixes are used on the
>>>>>>>>> downstream interfaces of the MR, not on the MR-MAG link. If the
>>>>>>>>> prefix used on the MR-MAG link is part of the delegated prefix,
>>>>>>>>> then the MR has to use RFC6603.
>>>>>>>>>=20
>>>>>>>>>> Therefore, there is no way for the MR to determine whether
>>>>>>>>>> it can still use the delegated prefixes, other than perhaps
>>>>>>>>>> re-running DHCPv6-PD on the new link.
>>>>>>>>>=20
>>>>>>>>> From MR point of view nothing changed. So what is the issue?
>>>>>>>>>=20
>>>>>>>>> - Jouni
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>>>=20
>>>>>>>>>> -Pete
>>>>>>>>>>=20
>>>>>>>>>>=20
>>>>>>>>>> _______________________________________________
>>>>>>>>>> netext mailing list
>>>>>>>>>> netext@ietf.org
>>>>>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>>>>>=20
>>>>>>>>=20
>>>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>=20
>>=20
>>=20
>=20
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext




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From: Basavaraj Patil <bpatil1@gmail.com>
To: jouni korhonen <jouni.nospam@gmail.com>
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Cc: netext@ietf.org, draft-ietf-netext-pd-pmip@tools.ietf.org
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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--14dae9340c473d46cd04cf046bd3
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Inline:

On Tue, Nov 20, 2012 at 1:56 PM, jouni korhonen <jouni.nospam@gmail.com>wrote:

>
> Raj,
>
> On Nov 20, 2012, at 6:40 PM, Basavaraj Patil wrote:
>
> >
> >
> > I-D: Prefix Delegation for Proxy Mobile IPv6
> > <draft-ietf-netext-pd-pmip-05>
> >
> >
> > Issues:
> > -------
> > 1. I-D states: "However, Proxy Mobile IPv6 does not support assigning
> > a prefix to a router and  managing its IP mobility."
> >
> > PMIP6 specifically mentions that the network based mobility solution
> > is for a host (as defined in RFC3775). It would be useful to mention
> > that this I-D is extending network based mobility support to routers
> > as well.
>
> Ok. I would write this as:
>
>    responsible for managing IP mobility on behalf of the host.  However,
>    Proxy Mobile IPv6 does not support assigning a prefix to a router and
>    managing IP mobility for it and the networks it serves. This document
>


Raj> Okay.


>
> > 2. "This document specifies an extension to
> >    Proxy Mobile IPv6 protocol for supporting network mobility using
> >    DHCPv6-based Prefix Delegation."
> >
> > Should it explicitly state that the extension to PMIP6 protocol is for
> > enabling network mobility for routers?
>
> Maybe.. see above.
>

Raj> No harm in emphasizing it.


>
> > 3. "The mobility elements in the network allow the
> >    IP host to obtain an IPv4 address and/or a set of IPv6 addresses
> >    ..."
> >
> > MAG/LMA assign the host an IPv6 prefix.
>
> Could you elaborate a bit more?
>

Raj> The I-D is saying that the LMA assigns the MN a set of IPv6 addresses.
What I meant is that the LMA assigns IPv6 prefixes to the MN.


>
>
> > 4. Would be useful to mention how binding revocation is handled in the
> > case of delegated prefixes to the MR.
>
> Good point. That needs to be clarified.
>
> > 5. How does the MAG know that it needs to allow forwarding of packets
> > via the PMIP6 tunnel for packets with SRC address that are derived
> > from the delegated prefixes? Its not clear if there is added
> > functionality needed at the MAG to accomplish this.
>
> Section 3.4.2 states it..? I don't quite get what is missing here..
>

Raj> Right. I missed that.
The text in 3.4.2 :
"

   o  On receiving packets from a mobile router connected to one access
      link, the mobile access gateway MUST ensure that there is an
      established binding for the mobile router and the local mobility
      anchor for the source delegated mobile network prefix before
      tunneling the packet to the MR's local mobility anchor.

"

is fine. So the MAG ensures that the packet can be forwarded by checking
the extended BULE at the MAG?

-Raj

>
> - Jouni
>
>
> >
> >
> >
> > -Raj
> >
> > _______________________________________________
> > netext mailing list
> > netext@ietf.org
> > https://www.ietf.org/mailman/listinfo/netext
>
>


-- 
Basavaraj Patil

--14dae9340c473d46cd04cf046bd3
Content-Type: text/html; charset=ISO-8859-1
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<br>Inline:<br><br><div class=3D"gmail_quote">On Tue, Nov 20, 2012 at 1:56 =
PM, jouni korhonen <span dir=3D"ltr">&lt;<a href=3D"mailto:jouni.nospam@gma=
il.com" target=3D"_blank">jouni.nospam@gmail.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">
<br>
Raj,<br>
<div class=3D"im"><br>
On Nov 20, 2012, at 6:40 PM, Basavaraj Patil wrote:<br>
<br>
&gt;<br>
&gt;<br>
&gt; I-D: Prefix Delegation for Proxy Mobile IPv6<br>
&gt; &lt;draft-ietf-netext-pd-pmip-05&gt;<br>
&gt;<br>
&gt;<br>
&gt; Issues:<br>
&gt; -------<br>
&gt; 1. I-D states: &quot;However, Proxy Mobile IPv6 does not support assig=
ning<br>
&gt; a prefix to a router and =A0managing its IP mobility.&quot;<br>
&gt;<br>
&gt; PMIP6 specifically mentions that the network based mobility solution<b=
r>
&gt; is for a host (as defined in RFC3775). It would be useful to mention<b=
r>
&gt; that this I-D is extending network based mobility support to routers<b=
r>
&gt; as well.<br>
<br>
</div>Ok. I would write this as:<br>
<br>
=A0 =A0responsible for managing IP mobility on behalf of the host. =A0Howev=
er,<br>
<div class=3D"im">=A0 =A0Proxy Mobile IPv6 does not support assigning a pre=
fix to a router and<br>
</div>=A0 =A0managing IP mobility for it and the networks it serves. This d=
ocument<br></blockquote><div><br><br>Raj&gt; Okay. <br>=A0</div><blockquote=
 class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex">

<div class=3D"im"><br>
&gt; 2. &quot;This document specifies an extension to<br>
&gt; =A0 =A0Proxy Mobile IPv6 protocol for supporting network mobility usin=
g<br>
&gt; =A0 =A0DHCPv6-based Prefix Delegation.&quot;<br>
&gt;<br>
&gt; Should it explicitly state that the extension to PMIP6 protocol is for=
<br>
&gt; enabling network mobility for routers?<br>
<br>
</div>Maybe.. see above.<br></blockquote><div><br>Raj&gt; No harm in emphas=
izing it.<br>=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"im"><br>
&gt; 3. &quot;The mobility elements in the network allow the<br>
&gt; =A0 =A0IP host to obtain an IPv4 address and/or a set of IPv6 addresse=
s<br>
&gt; =A0 =A0...&quot;<br>
&gt;<br>
&gt; MAG/LMA assign the host an IPv6 prefix.<br>
<br>
</div>Could you elaborate a bit more?<br></blockquote><div><br>Raj&gt; The =
I-D is saying that the LMA assigns the MN a set of IPv6 addresses. What I m=
eant is that the LMA assigns IPv6 prefixes to the MN.<br>=A0</div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc so=
lid;padding-left:1ex">

<div class=3D"im"><br>
<br>
&gt; 4. Would be useful to mention how binding revocation is handled in the=
<br>
&gt; case of delegated prefixes to the MR.<br>
<br>
</div>Good point. That needs to be clarified.<br>
<div class=3D"im"><br>
&gt; 5. How does the MAG know that it needs to allow forwarding of packets<=
br>
&gt; via the PMIP6 tunnel for packets with SRC address that are derived<br>
&gt; from the delegated prefixes? Its not clear if there is added<br>
&gt; functionality needed at the MAG to accomplish this.<br>
<br>
</div>Section 3.4.2 states it..? I don&#39;t quite get what is missing here=
..<br></blockquote><div><br>Raj&gt; Right. I missed that.<br>The text in 3.=
4.2 :<br>&quot;<br><pre>   o  On receiving packets from a mobile router con=
nected to one access
      link, the mobile access gateway MUST ensure that there is an
      established binding for the mobile router and the local mobility
      anchor for the source delegated mobile network prefix before
      tunneling the packet to the MR&#39;s local mobility anchor.</pre>&quo=
t;<br><br>is fine. So the MAG ensures that the packet can be forwarded by c=
hecking the extended BULE at the MAG?<br><br>-Raj<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pad=
ding-left:1ex">

<br>
- Jouni<br>
<br>
<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; -Raj<br>
<div class=3D"HOEnZb"><div class=3D"h5">&gt;<br>
&gt; _______________________________________________<br>
&gt; netext mailing list<br>
&gt; <a href=3D"mailto:netext@ietf.org">netext@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/netext" target=3D"_bl=
ank">https://www.ietf.org/mailman/listinfo/netext</a><br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br>Basavaraj P=
atil<br>

--14dae9340c473d46cd04cf046bd3--

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To: Peter McCann <Peter.McCann@huawei.com>
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

I hope we start getting closer to convergence.. this thread is getting =
longish..

On Nov 21, 2012, at 6:34 PM, Peter McCann wrote:

> Hi, Jouni,
>=20
> jouni korhonen wrote:
>>>=20
>>> I guess if you sent a DHCP Renew every time you detected a link flap
>>> (handover to new MAG) that would do the trick.  It seems somewhat
>>> expensive, though.
>>=20
>> It is what RFC3315 says.. client sends a confirm request.
>=20
> Right, I am just pointing out that the link may flap even when the
> same LMA is reachable.  Seems like overhead.  You seem to be requiring
> that the link doesn't flap when the PMIP session continues after a MAG
> to MAG handover under the same LMA.

I would say it it does not flap. The MR (at will) will still see it as a
change of access point or something equivalent at the L2. If that event
then gets delivered to the IP level somehow is out of my control. I have
no control how the DHCPv6-PD client gets implemented in the MR or =
whether
the network driver delivers proper events to upper layers.

This is getting to the original reason why we wrote the draft. Depending
on how the MR figures out "whether the link changed" it may or may not
bother sending the Confirm Request. And if it does not, then the MAG =
does
not know about the delegated prefixes -> forwarding fails. On the =
network
side I cannot really trust the MR DHCPv6-PD client to do the right thing
all the time.=20

>>> It's perfectly conceivable to have an L2 handover to a new MAG in a
>>> new PMIP domain.  I don't see why the L2 should be modified to know
>>> about the topology of which MAGs can reach which LMAs.
>>=20
>> Are we still talking about the concern where the LMA changes as a
>> result of a handover or something else?
>=20
> I was still talking about change of LMA.  I still don't see why the L2
> would behave differently depending on whether the new MAG can reach =
the
> old LMA.
>=20
>>> Why would the L2 know about the MAG-to-LMA topology?
>>=20
>> The LMA-LMA hanover, as per current RFC5213, would be visible as a
>> link flap or L2 session termination whatever. At least on those L2
>> technologies that I am aware of.
>=20
> In my view, a MAG to MAG handover under the same LMA is equally likely
> to lead to a link flap.  Which really does no harm, it only leads to
> extra DHCP or RS/RA reconfirmation traffic in this case.

LMA-LMA handover based on the existing specs means the end of PMIP =
session,
which on the point-to-point link technologies I am aware of also results
in the termination of the L2 session. We have not defined how =
renumbering
would work in this case. In certain L2 technologies renumbering is not
even supported (ref 3GPP).

>>> Ok, but if all the MAGs are using the same link-local address, NUD
>>> would come back saying the router is still reachable, right?  Would
>>> the MN/MR invalidate or try to reconfirm the old information in this
>>> circumstance?
>>=20
>> The context for my assertion was stated earlier:
>>=20
>> "..To be sure the MR sees the change of link, each PMIP session could
>> have their unique MAG link-local.." NUD would fail.
>=20
> Yes, that might help, but it seems to run counter to the =
recommendation
> in RFC 6543.  Also, I am not so sure that it will be possible to =
define

I know and again back to the context of my assertion:

"..(possible by specs but a hack in a way, thus not elaborated in this =
I-D)."

And that "specs" dates to original RC5213 which would allow us this. =
Even
when using RFC6543 I can turn it off by configuration.

> clean boundaries a priori where different link local addresses would
> be assigned.  There may be some overlap in the LMA coverage areas =
(although

Assuming RFC6543 is not used and we do assign different link-locals, =
then it
is up to the LMA decide when to use which link-local. Two examples: each =
LMA
has its own or each PMIP session gets its own "unique" link-local. Both =
cases
have possibility of address collisions but are quite unlikely. I do not =
really
care about coverage areas rather the case when something happened on the =
emulated
home link and for that case the two examples would be sufficient. Note =
that I
am not prompting such "solution".

> I agree this may not be likely.  More likely would be distinct =
administrative
> domains with no relationship or coordination between them, which makes
> coordinating assignment of MAG link-local addresses difficult).
>=20
>>> ICMP would only be sent if traffic is being generated.  I am more
>>> worried about a state where the MN thinks its prefix is still good,
>>> but packets aren't being delivered and it could be an indeterminate
>>> amount of time before the situation is recognized/corrected.
>>=20
>> How does this differ from what we see out in live today? Actually, if
>> the delegated prefix is not valid anymore but no host communicate
>> outside world there is no need to renumber immediately. Only until =
the
>> outside world is concerned again. There was a similar discussion e.g.
>> in homenet.
>=20
> You may be running a server on the MN which is waiting for inbound
> connections.  The peer correspondent nodes would send traffic to the
> old prefix, and there would be no indication to the MN that the old
> prefix isn't valid anymore.

As said we cannot heal all networking issues by specifications if people
do not implement them properly. If your delegated prefix is gone from =
the
network point of view and your MR sits there doing nothing while it =
should
based on e.g. RFC3315, tough luck.

- Jouni

>=20
> -Pete
>=20
>>=20
>> - Jouni
>>=20
>>=20
>>>=20
>>> -Pete
>>>=20
>>>> - Jouni
>>>>=20
>>>>=20
>>>>>=20
>>>>> -Pete
>>>>>=20
>>>>>>=20
>>>>>> - Jouni
>>>>>>=20
>>>>>>> Besides, as we have noted, the RAs have nothing to do with the
>>>>>>> delegated prefix so it seems wrong to use them to control the
>>>>>>> validity of the delegated prefix.
>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>>>>=20
>>>>>>> -Pete
>>>>>>>=20
>>>>>>>>=20
>>>>>>>> - JOuni
>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>> -Pete
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>> jouni korhonen wrote:
>>>>>>>>>>=20
>>>>>>>>>> Pete,
>>>>>>>>>>=20
>>>>>>>>>> On Nov 20, 2012, at 6:50 PM, Peter McCann wrote:
>>>>>>>>>>=20
>>>>>>>>>>> Basavaraj Patil wrote:
>>>>>>>>>>>>=20
>>>>>>>>>>>> 5. How does the MAG know that it needs to allow forwarding =
of
>>>>>>>>>>>> packets via the PMIP6 tunnel for packets with SRC address =
that
>>>>>>>>>>>> are derived from the delegated prefixes? Its not clear if
>>>>>>>>>>>> there is added functionality needed at the MAG to
>> accomplish this.
>>>>>>>>>>>=20
>>>>>>>>>>> I think there are potentially some deeper issues here.
>>>>>>>>>>>=20
>>>>>>>>>>> The MN sees the original MAG as its "delegating router". =
When
>>>>>>>>>>> the MN changes to a new MAG, there is no good way to tell =
that
>>>>>>>>>>> the delegated prefixes are still routable to the link.  The
>>>>>> delegating
>>>>>>>>>>=20
>>>>>>>>>> This is what the I-D is about.. That's we got the new =
signaling
>>>>>>>>>> in place and the handover case described in Section 3.4.3.
>>>>>>>>>>=20
>>>>>>>>>>> router has become unreachable.  The new router may send an
>>>>>>>>>>> RA that advertises the original link prefix, and so the MN
>>>>>>>>>>> can tell that its SLAAC unicast addresses are still valid on
>>>>>>>>>>> the
>> link.
>>>>>> However,
>>>>>>>>>>=20
>>>>>>>>>> When the MR (i.e. in RFC5213 terminology the MN) does a
>>>>>>>>>> handover, the prefix used between the MR-MAG stays the same =
as
>>>>>>>>>> usually provided by PMIP6. Section 3.4.3 the describes what =
the
>>>>>>>>>> MAG has to do in order to know the existing delegated =
prefixes
>>>>>>>>>> and set the forwarding state.
>>>>>>>>>>=20
>>>>>>>>>>> RFC 3633 says that the delegated prefix is NOT advertised on
>>>>>>>>>>> the link between the delegating router and the requesting
>> router.
>>>>>>>>>>=20
>>>>>>>>>> And they are not. The delegated prefixes are used on the
>>>>>>>>>> downstream interfaces of the MR, not on the MR-MAG link. If =
the
>>>>>>>>>> prefix used on the MR-MAG link is part of the delegated =
prefix,
>>>>>>>>>> then the MR has to use RFC6603.
>>>>>>>>>>=20
>>>>>>>>>>> Therefore, there is no way for the MR to determine whether
>>>>>>>>>>> it can still use the delegated prefixes, other than perhaps
>>>>>>>>>>> re-running DHCPv6-PD on the new link.
>>>>>>>>>>=20
>>>>>>>>>> =46rom MR point of view nothing changed. So what is the =
issue?
>>>>>>>>>>=20
>>>>>>>>>> - Jouni
>>>>>>>>>>=20
>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>> -Pete
>>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> netext mailing list
>>>>>>>>>>> netext@ietf.org
>>>>>>>>>>> https://www.ietf.org/mailman/listinfo/netext
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>=20
>>>>>>>=20
>>>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>=20
>>>=20
>>>=20
>>=20
>> _______________________________________________
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From Peter.McCann@huawei.com  Mon Nov 26 00:58:15 2012
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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Date: Mon, 26 Nov 2012 08:57:56 +0000
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
> Pete,
>=20
> I hope we start getting closer to convergence.. this thread is getting
> longish..

Yes and sorry about the delay responding.  We had the Thanksgiving=20
holiday here in the US and I was out of touch.

> On Nov 21, 2012, at 6:34 PM, Peter McCann wrote:
>=20
>> Hi, Jouni,
>>=20
>> jouni korhonen wrote:
>>>>=20
>>>> I guess if you sent a DHCP Renew every time you detected a link flap
>>>> (handover to new MAG) that would do the trick.  It seems somewhat
>>>> expensive, though.
>>>=20
>>> It is what RFC3315 says.. client sends a confirm request.
>>=20
>> Right, I am just pointing out that the link may flap even when the same
>> LMA is reachable.  Seems like overhead.  You seem to be requiring that
>> the link doesn't flap when the PMIP session continues after a MAG to
>> MAG handover under the same LMA.
>=20
> I would say it it does not flap. The MR (at will) will still see it as a
> change of access point or something equivalent at the L2. If that event
> then gets delivered to the IP level somehow is out of my control. I have
> no control how the DHCPv6-PD client gets implemented in the MR or
> whether the network driver delivers proper events to upper layers.
>=20
> This is getting to the original reason why we wrote the draft. Depending
> on how the MR figures out "whether the link changed" it may or may not
> bother sending the Confirm Request. And if it does not, then the MAG
> does not know about the delegated prefixes -> forwarding fails. On the
> network side I cannot really trust the MR DHCPv6-PD client to do the
> right thing all the time.

Ok, so can we summarize the recommendation for PMIP deployments:

(1) When handing off between two MAGs under the same LMA, the change of
link SHOULD NOT be propagated to the IP stack (the link flap should
not be visible to IP).

(2) When handing off between two MAGs where the second MAG cannot or
does not connect back to the previous LMA, the change of link MUST be
propagated up the IP stack.

I think that (1) is a SHOULD NOT because violation of this SHOULD NOT
only leads to some extra traffic on the link from re-confirmation.  In
contrast, (2) is a MUST because the absence of a link down/up event
could lead to a hung session where the MN thinks it has a routable
prefix but actually does not.

Have either of these two requirements been codified in 5213 or=20
elsewhere?

>>> The LMA-LMA hanover, as per current RFC5213, would be visible as a
>>> link flap or L2 session termination whatever. At least on those L2
>>> technologies that I am aware of.
>>=20
>> In my view, a MAG to MAG handover under the same LMA is equally likely
>> to lead to a link flap.  Which really does no harm, it only leads to
>> extra DHCP or RS/RA reconfirmation traffic in this case.
>=20
> LMA-LMA handover based on the existing specs means the end of PMIP
> session, which on the point-to-point link technologies I am aware of
> also results in the termination of the L2 session. We have not defined
> how renumbering would work in this case. In certain L2 technologies
> renumbering is not even supported (ref 3GPP).

Are you aware of a deployment of PMIP over the 3GPP PDP context link?
I am not.  The existing GPRS model is that the GGSN or PGW is the first
hop router, and traffic is always tunneled directly back to that router.
In contrast, PMIP has the MAG as the first hop router.  This is a=20
fundamental difference that IMHO makes it more likely to see a link
flap on a MAG to MAG handover, even when the same LMA is reachable from
both.

I think you agree with me that a change of MAG that results in a change
of LMA should always result in a link down/up event that is visible to
the IP stack.

>> Yes, that might help, but it seems to run counter to the recommendation
>> in RFC 6543.  Also, I am not so sure that it will be possible to
>> define
>=20
> I know and again back to the context of my assertion:
>=20
> "..(possible by specs but a hack in a way, thus not elaborated in this
> I-D)."
>=20
> And that "specs" dates to original RC5213 which would allow us this.
> Even when using RFC6543 I can turn it off by configuration.

Agreed, it's possible.

>> clean boundaries a priori where different link local addresses would
>> be assigned.  There may be some overlap in the LMA coverage areas
>> (although
>=20
> Assuming RFC6543 is not used and we do assign different link-locals,
> then it is up to the LMA decide when to use which link-local. Two
> examples: each LMA has its own or each PMIP session gets its own
> "unique" link-local. Both cases have possibility of address collisions
> but are quite unlikely. I do not really care about coverage areas rather
> the case when something happened on the emulated home link and for that
> case the two examples would be sufficient. Note that I am not prompting
> such "solution".

Did you mean to say "up to the MAG"?  I am not sure I like the idea of
the LMA controlling the MAG's link-local address.

>> You may be running a server on the MN which is waiting for inbound
>> connections.  The peer correspondent nodes would send traffic to the
>> old prefix, and there would be no indication to the MN that the old
>> prefix isn't valid anymore.
>=20
> As said we cannot heal all networking issues by specifications if people
> do not implement them properly. If your delegated prefix is gone from
> the network point of view and your MR sits there doing nothing while it
> should based on e.g. RFC3315, tough luck.

If the link down/up event has been hidden from the IP stack, then sitting
there doing nothing is exactly what an RFC3315 compliant implementation
would do.  Hence my use of MUST in (2) above.

-Pete

From jouni.nospam@gmail.com  Mon Nov 26 04:48:55 2012
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From: jouni korhonen <jouni.nospam@gmail.com>
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To: Peter McCann <Peter.McCann@huawei.com>
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Cc: "netext@ietf.org" <netext@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,


On Nov 26, 2012, at 10:57 AM, Peter McCann wrote:

> Hi, Jouni,
> 
> jouni korhonen wrote:
>> Pete,
>> 
>> I hope we start getting closer to convergence.. this thread is getting
>> longish..
> 
> Yes and sorry about the delay responding.  We had the Thanksgiving 
> holiday here in the US and I was out of touch.
> 
>> On Nov 21, 2012, at 6:34 PM, Peter McCann wrote:
>> 
>>> Hi, Jouni,
>>> 
>>> jouni korhonen wrote:
>>>>> 
>>>>> I guess if you sent a DHCP Renew every time you detected a link flap
>>>>> (handover to new MAG) that would do the trick.  It seems somewhat
>>>>> expensive, though.
>>>> 
>>>> It is what RFC3315 says.. client sends a confirm request.
>>> 
>>> Right, I am just pointing out that the link may flap even when the same
>>> LMA is reachable.  Seems like overhead.  You seem to be requiring that
>>> the link doesn't flap when the PMIP session continues after a MAG to
>>> MAG handover under the same LMA.
>> 
>> I would say it it does not flap. The MR (at will) will still see it as a
>> change of access point or something equivalent at the L2. If that event
>> then gets delivered to the IP level somehow is out of my control. I have
>> no control how the DHCPv6-PD client gets implemented in the MR or
>> whether the network driver delivers proper events to upper layers.
>> 
>> This is getting to the original reason why we wrote the draft. Depending
>> on how the MR figures out "whether the link changed" it may or may not
>> bother sending the Confirm Request. And if it does not, then the MAG
>> does not know about the delegated prefixes -> forwarding fails. On the
>> network side I cannot really trust the MR DHCPv6-PD client to do the
>> right thing all the time.
> 
> Ok, so can we summarize the recommendation for PMIP deployments:
> 
> (1) When handing off between two MAGs under the same LMA, the change of
> link SHOULD NOT be propagated to the IP stack (the link flap should
> not be visible to IP).

Should not is OKish. Cannot guarantee that though.

> (2) When handing off between two MAGs where the second MAG cannot or
> does not connect back to the previous LMA, the change of link MUST be
> propagated up the IP stack.

Yep.

> I think that (1) is a SHOULD NOT because violation of this SHOULD NOT
> only leads to some extra traffic on the link from re-confirmation.  In
> contrast, (2) is a MUST because the absence of a link down/up event
> could lead to a hung session where the MN thinks it has a routable
> prefix but actually does not.
> 
> Have either of these two requirements been codified in 5213 or 
> elsewhere?

RFC5213 is prepared to handle 1) independent whether the event is
sent or not, ref the DNA text and link-local address MO.


> 
>>>> The LMA-LMA hanover, as per current RFC5213, would be visible as a
>>>> link flap or L2 session termination whatever. At least on those L2
>>>> technologies that I am aware of.
>>> 
>>> In my view, a MAG to MAG handover under the same LMA is equally likely
>>> to lead to a link flap.  Which really does no harm, it only leads to
>>> extra DHCP or RS/RA reconfirmation traffic in this case.
>> 
>> LMA-LMA handover based on the existing specs means the end of PMIP
>> session, which on the point-to-point link technologies I am aware of
>> also results in the termination of the L2 session. We have not defined
>> how renumbering would work in this case. In certain L2 technologies
>> renumbering is not even supported (ref 3GPP).
> 
> Are you aware of a deployment of PMIP over the 3GPP PDP context link?
> I am not.  The existing GPRS model is that the GGSN or PGW is the first

I am. This is not an academic exercise.

> hop router, and traffic is always tunneled directly back to that router.
> In contrast, PMIP has the MAG as the first hop router.  This is a 
> fundamental difference that IMHO makes it more likely to see a link
> flap on a MAG to MAG handover, even when the same LMA is reachable from
> both.

If the LMA stays the same, the link does not flap. One might receive
an event that the access point (or equivalent) changed. This again
depends on the client side implementation.

> I think you agree with me that a change of MAG that results in a change
> of LMA should always result in a link down/up event that is visible to
> the IP stack.

I repeat what I said earlier. If the LMA changes the L2 session goes down,
prefixes may change etc. It is a bit more than just link up/down because
it also involves setting up a new PMIP session & L2 session. (on L2
technologies I am concerned with).

>>> Yes, that might help, but it seems to run counter to the recommendation
>>> in RFC 6543.  Also, I am not so sure that it will be possible to
>>> define
>> 
>> I know and again back to the context of my assertion:
>> 
>> "..(possible by specs but a hack in a way, thus not elaborated in this
>> I-D)."
>> 
>> And that "specs" dates to original RC5213 which would allow us this.
>> Even when using RFC6543 I can turn it off by configuration.
> 
> Agreed, it's possible.
> 
>>> clean boundaries a priori where different link local addresses would
>>> be assigned.  There may be some overlap in the LMA coverage areas
>>> (although
>> 
>> Assuming RFC6543 is not used and we do assign different link-locals,
>> then it is up to the LMA decide when to use which link-local. Two
>> examples: each LMA has its own or each PMIP session gets its own
>> "unique" link-local. Both cases have possibility of address collisions
>> but are quite unlikely. I do not really care about coverage areas rather
>> the case when something happened on the emulated home link and for that
>> case the two examples would be sufficient. Note that I am not prompting
>> such "solution".
> 
> Did you mean to say "up to the MAG"?  I am not sure I like the idea of
> the LMA controlling the MAG's link-local address.

No.. or lets say my wording was imprecise. Whether this feature is enabled
depends on the MAG configuration. If MAG allows the LMA to generate the
link-local, then LMA does it and MAG uses that address. In that case the
LMA decides when to use which link-local address.

>>> You may be running a server on the MN which is waiting for inbound
>>> connections.  The peer correspondent nodes would send traffic to the
>>> old prefix, and there would be no indication to the MN that the old
>>> prefix isn't valid anymore.
>> 
>> As said we cannot heal all networking issues by specifications if people
>> do not implement them properly. If your delegated prefix is gone from
>> the network point of view and your MR sits there doing nothing while it
>> should based on e.g. RFC3315, tough luck.
> 
> If the link down/up event has been hidden from the IP stack, then sitting
> there doing nothing is exactly what an RFC3315 compliant implementation
> would do.  Hence my use of MUST in (2) above.

Sure. Never claimed it to be different. But as said, I cannot control the
client side implementation. That is the point.

- Jouni


> 
> -Pete


From Peter.McCann@huawei.com  Mon Nov 26 07:54:26 2012
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From: Peter McCann <Peter.McCann@huawei.com>
To: jouni korhonen <jouni.nospam@gmail.com>
Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
> Pete,
>=20
>=20
> On Nov 26, 2012, at 10:57 AM, Peter McCann wrote:
>=20
>> Hi, Jouni,
>>=20
>> jouni korhonen wrote:
>>> Pete,
>>>=20
>>> I hope we start getting closer to convergence.. this thread is getting
>>> longish..
>>=20
>> Yes and sorry about the delay responding.  We had the Thanksgiving
>> holiday here in the US and I was out of touch.
>>=20
>>> On Nov 21, 2012, at 6:34 PM, Peter McCann wrote:
>>>=20
>>>> Hi, Jouni,
>>>>=20
>>>> jouni korhonen wrote:
>>>>>>=20
>>>>>> I guess if you sent a DHCP Renew every time you detected a link
>>>>>> flap (handover to new MAG) that would do the trick.  It seems
>>>>>> somewhat expensive, though.
>>>>>=20
>>>>> It is what RFC3315 says.. client sends a confirm request.
>>>>=20
>>>> Right, I am just pointing out that the link may flap even when the
>>>> same LMA is reachable.  Seems like overhead.  You seem to be
>>>> requiring that the link doesn't flap when the PMIP session continues
>>>> after a MAG to MAG handover under the same LMA.
>>>=20
>>> I would say it it does not flap. The MR (at will) will still see it as
>>> a change of access point or something equivalent at the L2. If that
>>> event then gets delivered to the IP level somehow is out of my
>>> control. I have no control how the DHCPv6-PD client gets implemented
>>> in the MR or whether the network driver delivers proper events to
>>> upper layers.
>>>=20
>>> This is getting to the original reason why we wrote the draft.
>>> Depending on how the MR figures out "whether the link changed" it may
>>> or may not bother sending the Confirm Request. And if it does not,
>>> then the MAG does not know about the delegated prefixes -> forwarding
>>> fails. On the network side I cannot really trust the MR DHCPv6-PD
>>> client to do the right thing all the time.
>>=20
>> Ok, so can we summarize the recommendation for PMIP deployments:
>>=20
>> (1) When handing off between two MAGs under the same LMA, the change of
>> link SHOULD NOT be propagated to the IP stack (the link flap should not
>> be visible to IP).
>=20
> Should not is OKish. Cannot guarantee that though.

Right.  I think that many links will flap on every handover, whether
LMA changes or not.

>> (2) When handing off between two MAGs where the second MAG cannot or
>> does not connect back to the previous LMA, the change of link MUST be
>> propagated up the IP stack.
>=20
> Yep.

Ok, good.

>> I think that (1) is a SHOULD NOT because violation of this SHOULD NOT
>> only leads to some extra traffic on the link from re-confirmation. In
>> contrast, (2) is a MUST because the absence of a link down/up event
>> could lead to a hung session where the MN thinks it has a routable
>> prefix but actually does not.
>>=20
>> Have either of these two requirements been codified in 5213 or
>> elsewhere?
>=20
> RFC5213 is prepared to handle 1) independent whether the event is
> sent or not, ref the DNA text and link-local address MO.

Ok, I see that text now.

Should we document (2) somewhere?

>>>>> The LMA-LMA hanover, as per current RFC5213, would be visible as a
>>>>> link flap or L2 session termination whatever. At least on those L2
>>>>> technologies that I am aware of.
>>>>=20
>>>> In my view, a MAG to MAG handover under the same LMA is equally
>>>> likely to lead to a link flap.  Which really does no harm, it only
>>>> leads to extra DHCP or RS/RA reconfirmation traffic in this case.
>>>=20
>>> LMA-LMA handover based on the existing specs means the end of PMIP
>>> session, which on the point-to-point link technologies I am aware of
>>> also results in the termination of the L2 session. We have not defined
>>> how renumbering would work in this case. In certain L2 technologies
>>> renumbering is not even supported (ref 3GPP).
>>=20
>> Are you aware of a deployment of PMIP over the 3GPP PDP context link?
>> I am not.  The existing GPRS model is that the GGSN or PGW is the
> first
>=20
> I am. This is not an academic exercise.
>=20
>> hop router, and traffic is always tunneled directly back to that
>> router. In contrast, PMIP has the MAG as the first hop router.  This is
>> a fundamental difference that IMHO makes it more likely to see a link
>> flap on a MAG to MAG handover, even when the same LMA is reachable from
>> both.
>=20
> If the LMA stays the same, the link does not flap.=20

I don't see how you can make a blanket statement like this for all
link layers that might be used for PMIP.  In particular, it seems
to require a knowledge, at the L2, of whether the current MAG can
see the same LMA.  This knowledge needs to be propagated across the
link to the client, and used to determine whether the link down/up
event propagates through the IP stack.  Perhaps your particular=20
implementation experience involved carrying such a signal but I
cannot imagine that it holds true for every L2, especially if they
were not designed with PMIP in mind.

> One might receive
> an event that the access point (or equivalent) changed. This again
> depends on the client side implementation.

And in many implementations I can imagine this event treated as a link
flap.
=20
>> I think you agree with me that a change of MAG that results in a change
>> of LMA should always result in a link down/up event that is visible to
>> the IP stack.
>=20
> I repeat what I said earlier. If the LMA changes the L2 session goes
> down, prefixes may change etc. It is a bit more than just link up/down
> because it also involves setting up a new PMIP session & L2 session. (on
> L2 technologies I am concerned with).

You seem to be implying that the L2 technology has a notion of a PMIP
session.  The layered protocol model would seem to discourage this,
and I can imagine that many link layers are designed without PMIP
in mind.

>>>> Yes, that might help, but it seems to run counter to the
>>>> recommendation in RFC 6543.  Also, I am not so sure that it will be
>>>> possible to define
>>>=20
>>> I know and again back to the context of my assertion:
>>>=20
>>> "..(possible by specs but a hack in a way, thus not elaborated in this
>>> I-D)."
>>>=20
>>> And that "specs" dates to original RC5213 which would allow us this.
>>> Even when using RFC6543 I can turn it off by configuration.
>>=20
>> Agreed, it's possible.
>>=20
>>>> clean boundaries a priori where different link local addresses would
>>>> be assigned.  There may be some overlap in the LMA coverage areas
>>>> (although
>>>=20
>>> Assuming RFC6543 is not used and we do assign different link-locals,
>>> then it is up to the LMA decide when to use which link-local. Two
>>> examples: each LMA has its own or each PMIP session gets its own
>>> "unique" link-local. Both cases have possibility of address collisions
>>> but are quite unlikely. I do not really care about coverage areas
>>> rather the case when something happened on the emulated home link and
>>> for that case the two examples would be sufficient. Note that I am not
>>> prompting such "solution".
>>=20
>> Did you mean to say "up to the MAG"?  I am not sure I like the idea of
>> the LMA controlling the MAG's link-local address.
>=20
> No.. or lets say my wording was imprecise. Whether this feature is
> enabled depends on the MAG configuration. If MAG allows the LMA to
> generate the link-local, then LMA does it and MAG uses that address. In
> that case the LMA decides when to use which link-local address.

It would still require coordination between the old LMA and the new
LMA, precisely in those situations where no such coordination is possible
(the PMIP domains are distinct and unconnected).

>>>> You may be running a server on the MN which is waiting for inbound
>>>> connections.  The peer correspondent nodes would send traffic to the
>>>> old prefix, and there would be no indication to the MN that the old
>>>> prefix isn't valid anymore.
>>>=20
>>> As said we cannot heal all networking issues by specifications if
>>> people do not implement them properly. If your delegated prefix is
>>> gone from the network point of view and your MR sits there doing
>>> nothing while it should based on e.g. RFC3315, tough luck.
>>=20
>> If the link down/up event has been hidden from the IP stack, then
>> sitting there doing nothing is exactly what an RFC3315 compliant
>> implementation would do.  Hence my use of MUST in (2) above.
>=20
> Sure. Never claimed it to be different. But as said, I cannot control
> the client side implementation. That is the point.

But you seem to be making assumptions about the L2 implementation=20
and that, in particular, it knows when a PMIP session is disconnected.


I am sorry to be making a big deal about these issues.  I am raising
them because I think it will be important to get these details right
when it comes to the DMM solution.  There, I think we will have some
set of prefixes assigned to the MN at any given time, and some arbitrary
subset will need to be deprecated and/or torn down proactively upon=20
each handover (change of MAG if a PMIP-style solution is used to=20
re-route the packets).  However, we can discuss more details on the
DMM list if you prefer (and this may get us a bit into DMM solution
space.  But, I am trying to think ahead).

-Pete



From trac+netext@trac.tools.ietf.org  Mon Nov 26 15:32:57 2012
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Subject: [netext]  #18: Interface marking is needed
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#18: Interface marking is needed

 Sec. 5.1 on Multiple Proxy Care-of Address Registration needs to have a
 major revision. In RFC 6089, MN can register mcoa's because MN knows it
 has multiple interfaces. In PMIPv6, MAG sends PBU and MAG is connected to
 only one interface of MN not multiple so MAG can not make mcoa's or
 multiple proxy registrations.

 Solution: LMA after receiving PBU from the second MAG for an MN with an
 existing binding cache entry must mark this interface as visiting
 interface to distinguish it from the first "home" interface and LMA must
 indicate this marking in PBA. This way the second MAG knows it has made
 multiple proxy registration.
 MAG can then initiate flow mobility.

-- 
--------------------------------+--------------------------------
 Reporter:  sarikaya@ieee.org   |      Owner:  sarikaya@ieee.org
     Type:  defect              |     Status:  new
 Priority:  major               |  Milestone:  milestone1
Component:  pmipv6-flowmob      |    Version:  2.0
 Severity:  Active WG Document  |   Keywords:  PMIP flow mobility
--------------------------------+--------------------------------

Ticket URL: <http://tools.ietf.org/wg/netext/trac/ticket/18>
netext <http://tools.ietf.org/netext/>


From jouni.nospam@gmail.com  Tue Nov 27 01:00:32 2012
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To: Peter McCann <Peter.McCann@huawei.com>
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Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Pete,

On Nov 26, 2012, at 5:54 PM, Peter McCann wrote:

[budget cut scale removal of text]

>>> hop router, and traffic is always tunneled directly back to that
>>> router. In contrast, PMIP has the MAG as the first hop router.  This is
>>> a fundamental difference that IMHO makes it more likely to see a link
>>> flap on a MAG to MAG handover, even when the same LMA is reachable from
>>> both.
>> 
>> If the LMA stays the same, the link does not flap. 
> 
> I don't see how you can make a blanket statement like this for all
> link layers that might be used for PMIP.  In particular, it seems
> to require a knowledge, at the L2, of whether the current MAG can
> see the same LMA.  This knowledge needs to be propagated across the
> link to the client, and used to determine whether the link down/up
> event propagates through the IP stack.  Perhaps your particular 
> implementation experience involved carrying such a signal but I
> cannot imagine that it holds true for every L2, especially if they
> were not designed with PMIP in mind.

I am just reflecting the nature of existing point-to-point L2 
technologies. They tend to be session oriented, ref PPP and 3GPP
stuff. Even when a WLAN type of technology is twisted to resemble
point-to-point (and with authentication) you can make it session
aware.. with limitations. And if the whole user session is between
UE and the LMA, then any leg losing the session usually torn down
the whole pipe including your L2.

I am curious to learn what point-to-point L2 technologies you have
in mind? Something already on the field or on the drawing board?


[smaller cost cut scale removal of text]

>> I repeat what I said earlier. If the LMA changes the L2 session goes
>> down, prefixes may change etc. It is a bit more than just link up/down
>> because it also involves setting up a new PMIP session & L2 session. (on
>> L2 technologies I am concerned with).
> 
> You seem to be implying that the L2 technology has a notion of a PMIP
> session.  The layered protocol model would seem to discourage this,
> and I can imagine that many link layers are designed without PMIP
> in mind.

I do not have a PMIP aware L2 in mind. See above. Just a point-to-point L2
that has a notion of session itself i.e. one has to explicitly set it up and
it can be disconnected at will by either end.

[snip]

>>>> Assuming RFC6543 is not used and we do assign different link-locals,
>>>> then it is up to the LMA decide when to use which link-local. Two
>>>> examples: each LMA has its own or each PMIP session gets its own
>>>> "unique" link-local. Both cases have possibility of address collisions
>>>> but are quite unlikely. I do not really care about coverage areas
>>>> rather the case when something happened on the emulated home link and
>>>> for that case the two examples would be sufficient. Note that I am not
>>>> prompting such "solution".
>>> 
>>> Did you mean to say "up to the MAG"?  I am not sure I like the idea of
>>> the LMA controlling the MAG's link-local address.
>> 
>> No.. or lets say my wording was imprecise. Whether this feature is
>> enabled depends on the MAG configuration. If MAG allows the LMA to
>> generate the link-local, then LMA does it and MAG uses that address. In
>> that case the LMA decides when to use which link-local address.
> 
> It would still require coordination between the old LMA and the new
> LMA, precisely in those situations where no such coordination is possible
> (the PMIP domains are distinct and unconnected).

It is just a matter of will. OUIs are invented and EUI-64 is big hefty
number. Collision would be less probable than me winning in lottery.
However, this would probably be a task to some other SDO to arrange
than IETF.

[oh-snap]

>>> If the link down/up event has been hidden from the IP stack, then
>>> sitting there doing nothing is exactly what an RFC3315 compliant
>>> implementation would do.  Hence my use of MUST in (2) above.
>> 
>> Sure. Never claimed it to be different. But as said, I cannot control
>> the client side implementation. That is the point.
> 
> But you seem to be making assumptions about the L2 implementation 
> and that, in particular, it knows when a PMIP session is disconnected.

See my earlier notes on L2 sessions.

> I am sorry to be making a big deal about these issues.  I am raising
> them because I think it will be important to get these details right
> when it comes to the DMM solution.  There, I think we will have some

Figured that ;) 

> set of prefixes assigned to the MN at any given time, and some arbitrary
> subset will need to be deprecated and/or torn down proactively upon 
> each handover (change of MAG if a PMIP-style solution is used to 
> re-route the packets).  However, we can discuss more details on the
> DMM list if you prefer (and this may get us a bit into DMM solution
> space.  But, I am trying to think ahead).

Yep, I am familiar with this specific problem space. See e.g.
http://tools.ietf.org/html/draft-korhonen-dmm-local-prefix-00
for one solution approach. This, however, assumes the MN always
has at least on LMA that remains the same as long as the MN is
within the PMIP domain. But that was enough DMM for my needs ;)

Thinking ahead is more than welcome!

- Jouni




> 
> -Pete
> 
> 
>>> 


From Peter.McCann@huawei.com  Tue Nov 27 08:14:32 2012
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Thread-Topic: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Cc: "netext@ietf.org" <netext@ietf.org>, "dmm@ietf.org" <dmm@ietf.org>, Basavaraj Patil <bpatil1@gmail.com>, "draft-ietf-netext-pd-pmip@tools.ietf.org" <draft-ietf-netext-pd-pmip@tools.ietf.org>
Subject: Re: [netext] Chair review of I-D: draft-ietf-netext-pd-pmip (05)
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Hi, Jouni,

jouni korhonen wrote:
>=20
> Pete,
>=20
> On Nov 26, 2012, at 5:54 PM, Peter McCann wrote:
>=20
> [budget cut scale removal of text]
>=20
>>>> hop router, and traffic is always tunneled directly back to that
>>>> router. In contrast, PMIP has the MAG as the first hop router. This
>>>> is a fundamental difference that IMHO makes it more likely to see a
>>>> link flap on a MAG to MAG handover, even when the same LMA is
>>>> reachable from both.
>>>=20
>>> If the LMA stays the same, the link does not flap.
>>=20
>> I don't see how you can make a blanket statement like this for all
>> link layers that might be used for PMIP.  In particular, it seems
>> to require a knowledge, at the L2, of whether the current MAG can
>> see the same LMA.  This knowledge needs to be propagated across the
>> link to the client, and used to determine whether the link down/up
>> event propagates through the IP stack.  Perhaps your particular
>> implementation experience involved carrying such a signal but I
>> cannot imagine that it holds true for every L2, especially if they
>> were not designed with PMIP in mind.
>=20
> I am just reflecting the nature of existing point-to-point L2
> technologies. They tend to be session oriented, ref PPP and 3GPP
> stuff. Even when a WLAN type of technology is twisted to resemble
> point-to-point (and with authentication) you can make it session
> aware.. with limitations. And if the whole user session is between
> UE and the LMA, then any leg losing the session usually torn down
> the whole pipe including your L2.

My point is that L2 is torn down/rebuilt even when the LMA is=20
reachable and the PMIP session stays up.

> I am curious to learn what point-to-point L2 technologies you have
> in mind? Something already on the field or on the drawing board?

Take PPP as an example.  The PPP session would be between the=20
MN and the MAG.  There would clearly need to be a new LCP/IPCP
exchange between the MN and a new MAG, even if the new MAG could
get back to the same LMA.  In this case PPP experiences link down/
up but the PMIP session is preserved.

This is distinct from the 3GPP link layer where the p2p session
is between MN and PGW.  The PGW is the first hop router.

PMIP has the MAG as the first hop router.  When you disconnect
from one first hop router and connect to another first hop
router, the link flaps unless you have taken special measures
to hide this event from the IP stack.

> [smaller cost cut scale removal of text]
>=20
>>> I repeat what I said earlier. If the LMA changes the L2 session goes
>>> down, prefixes may change etc. It is a bit more than just link up/down
>>> because it also involves setting up a new PMIP session & L2 session.
>>> (on L2 technologies I am concerned with).
>>=20
>> You seem to be implying that the L2 technology has a notion of a PMIP
>> session.  The layered protocol model would seem to discourage this,
>> and I can imagine that many link layers are designed without PMIP
>> in mind.
>=20
> I do not have a PMIP aware L2 in mind. See above. Just a point-to-point
> L2 that has a notion of session itself i.e. one has to explicitly set it
> up and it can be disconnected at will by either end.

But in PMIP the L2 is terminated between MN and MAG.  Change of MAG means
tearing down one L2 session and establishing a new one.  Hence it seems
more natural to me to experience a link flap than to go to the extra
effort to hide this from the IP stack in some special cases (which=20
involve the network topology behind the MAG, something that is usually
not visible to L2).

> [snip]
>=20
>>>>> Assuming RFC6543 is not used and we do assign different link-
>>>>> locals, then it is up to the LMA decide when to use which
>>>>> link-local. Two examples: each LMA has its own or each PMIP session
>>>>> gets its own "unique" link-local. Both cases have possibility of
>>>>> address collisions but are quite unlikely. I do not really care
>>>>> about coverage areas rather the case when something happened on the
>>>>> emulated home link and for that case the two examples would be
>>>>> sufficient. Note that I am not prompting such "solution".
>>>>=20
>>>> Did you mean to say "up to the MAG"?  I am not sure I like the idea
>>>> of the LMA controlling the MAG's link-local address.
>>>=20
>>> No.. or lets say my wording was imprecise. Whether this feature is
>>> enabled depends on the MAG configuration. If MAG allows the LMA to
>>> generate the link-local, then LMA does it and MAG uses that address.
>>> In that case the LMA decides when to use which link-local address.
>>=20
>> It would still require coordination between the old LMA and the new
>> LMA, precisely in those situations where no such coordination is
>> possible (the PMIP domains are distinct and unconnected).
>=20
> It is just a matter of will. OUIs are invented and EUI-64 is big hefty
> number. Collision would be less probable than me winning in lottery.
> However, this would probably be a task to some other SDO to arrange
> than IETF.

Sure, I agree this is possible.  But, it seems even more natural to
me to allow every MAG to have its own link-local address that is
globally unique.  I guess I am calling into question the assumption
that all MAGs in a PMIP domain have the same link-local address.
Perhaps that was a PMIP design mistake.  If the IP stack is going
to see a link flap anyway, we might as well deal with a proper change
of first-hop router (although that router might still advertise the
same prefix.  It is as if one router became unreachable but another
router pops up to take its place.  MNs should be able to handle this).

> [oh-snap]
>=20
>>>> If the link down/up event has been hidden from the IP stack, then
>>>> sitting there doing nothing is exactly what an RFC3315 compliant
>>>> implementation would do.  Hence my use of MUST in (2) above.
>>>=20
>>> Sure. Never claimed it to be different. But as said, I cannot control
>>> the client side implementation. That is the point.
>>=20
>> But you seem to be making assumptions about the L2 implementation
>> and that, in particular, it knows when a PMIP session is
> disconnected.
>=20
> See my earlier notes on L2 sessions.
>=20
>> I am sorry to be making a big deal about these issues.  I am raising
>> them because I think it will be important to get these details right
>> when it comes to the DMM solution.  There, I think we will have some
>=20
> Figured that ;)
>=20
>> set of prefixes assigned to the MN at any given time, and some
>> arbitrary subset will need to be deprecated and/or torn down
>> proactively upon each handover (change of MAG if a PMIP-style solution
>> is used to re-route the packets).  However, we can discuss more details
>> on the DMM list if you prefer (and this may get us a bit into DMM
>> solution space.  But, I am trying to think ahead).
>=20
> Yep, I am familiar with this specific problem space. See e.g.
> http://tools.ietf.org/html/draft-korhonen-dmm-local-prefix-00 for one
> solution approach. This, however, assumes the MN always has at least on
> LMA that remains the same as long as the MN is within the PMIP domain.
> But that was enough DMM for my needs ;)

Ok, just read your draft.  It raises the right issues, I think.  However,
I wonder if we could make it more general by decoupling the MN-visible
events like RAs and DHCP interaction and link flaps from the PMIP
protocol used to re-route packets and transfer context.
There are many ways to re-route packets and many ways to get the
context about the old prefixes from one AR to another AR.

Also, we should deal with cases where the old LMA is not reachable
and the DHCP server changes.

> Thinking ahead is more than welcome!

Good to hear.  Feel free to snip the netext mailing list from the
CC line when you think it's appropriate.

-Pete


From sarikaya2012@gmail.com  Thu Nov 29 09:11:07 2012
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From: Behcet Sarikaya <sarikaya2012@gmail.com>
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Cc: draft-ietf-netext-pmipv6-flowmob@tools.ietf.org, netext@ietf.org
Subject: Re: [netext] #15: use "update notification" for FMI/FMA
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Hi Pierrick,

I don't understand this issue.

Why should a WG draft in its late stages introduce a normative dependency
on an individual draft?

draft-krishnan could be good but it could apply only to the future work
possibly after it becomes an RFC.
What if during the process the messages names get changed?

Regards,

Behcet

On Wed, Nov 21, 2012 at 6:34 AM, netext issue tracker <
trac+netext@grenache.tools.ietf.org> wrote:

> #15: use "update notification" for FMI/FMA
>
>  If we go for pBU triggered by LMA signaling, the solution should use
>  update notification UPN/UPA from draft-krishnan-netext-update-
>  notifications (If adopted by the WG) instead of FMI/FMA which are
>  functionally similar.
>
> --
> -------------------------------------+-------------------------------------
>  Reporter:                           |      Owner:  draft-ietf-netext-
>   pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
>      Type:  enhancement              |     Status:  new
>  Priority:  major                    |  Milestone:
> Component:  pmipv6-flowmob           |    Version:
>  Severity:  -                        |   Keywords:
> -------------------------------------+-------------------------------------
>
> Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/15>
> netext <http://tools.ietf.org/netext/>
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>

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Hi Pierrick,<br><br>I don&#39;t understand this issue.<br><br>Why should a =
WG draft in its late stages introduce a normative dependency on an individu=
al draft?<br><br>draft-krishnan could be good but it could apply only to th=
e future work possibly after it becomes an RFC.<br>
What if during the process the messages names get changed? <br><br>Regards,=
<br><br>Behcet<br><br><div class=3D"gmail_quote">On Wed, Nov 21, 2012 at 6:=
34 AM, netext issue tracker <span dir=3D"ltr">&lt;<a href=3D"mailto:trac+ne=
text@grenache.tools.ietf.org" target=3D"_blank">trac+netext@grenache.tools.=
ietf.org</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">#15: use &quot;update notification&quot; for=
 FMI/FMA<br>
<br>
=A0If we go for pBU triggered by LMA signaling, the solution should use<br>
=A0update notification UPN/UPA from draft-krishnan-netext-update-<br>
=A0notifications (If adopted by the WG) instead of FMI/FMA which are<br>
=A0functionally similar.<br>
<br>
--<br>
-------------------------------------+-------------------------------------=
<br>
=A0Reporter: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | =A0 =A0 =
=A0Owner: =A0draft-ietf-netext-<br>
=A0 <a href=3D"mailto:pierrick.seite@orange.com">pierrick.seite@orange.com<=
/a> =A0 =A0 =A0 =A0 =A0| =A0<a href=3D"mailto:pmipv6-flowmob@tools.ietf.org=
">pmipv6-flowmob@tools.ietf.org</a><br>
=A0 =A0 =A0Type: =A0enhancement =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A0 Status=
: =A0new<br>
=A0Priority: =A0major =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0Milestone=
:<br>
Component: =A0pmipv6-flowmob =A0 =A0 =A0 =A0 =A0 | =A0 =A0Version:<br>
=A0Severity: =A0- =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 Keyw=
ords:<br>
-------------------------------------+-------------------------------------=
<br>
<br>
Ticket URL: &lt;<a href=3D"http://trac.tools.ietf.org/wg/netext/trac/ticket=
/15" target=3D"_blank">http://trac.tools.ietf.org/wg/netext/trac/ticket/15<=
/a>&gt;<br>
netext &lt;<a href=3D"http://tools.ietf.org/netext/" target=3D"_blank">http=
://tools.ietf.org/netext/</a>&gt;<br>
<br>
_______________________________________________<br>
netext mailing list<br>
<a href=3D"mailto:netext@ietf.org">netext@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/netext" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/netext</a><br>
</blockquote></div><br>

--14dae93411e959ca2c04cfa55e0d--

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Subject: Re: [netext] #15: use "update notification" for FMI/FMA
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Hi,

Issue #15 is valid if draft-krishnan is adopted.

Pierrick

De : Behcet Sarikaya [mailto:sarikaya2012@gmail.com]
Envoy=E9 : jeudi 29 novembre 2012 18:11
=C0 : SEITE Pierrick OLNC/OLN
Cc : draft-ietf-netext-pmipv6-flowmob@tools.ietf.org; netext@ietf.org
Objet : Re: [netext] #15: use "update notification" for FMI/FMA

Hi Pierrick,

I don't understand this issue.

Why should a WG draft in its late stages introduce a normative dependency o=
n an individual draft?

draft-krishnan could be good but it could apply only to the future work pos=
sibly after it becomes an RFC.
What if during the process the messages names get changed?

Regards,

Behcet
On Wed, Nov 21, 2012 at 6:34 AM, netext issue tracker <trac+netext@grenache=
.tools.ietf.org<mailto:trac+netext@grenache.tools.ietf.org>> wrote:
#15: use "update notification" for FMI/FMA

 If we go for pBU triggered by LMA signaling, the solution should use
 update notification UPN/UPA from draft-krishnan-netext-update-
 notifications (If adopted by the WG) instead of FMI/FMA which are
 functionally similar.

--
-------------------------------------+-------------------------------------
 Reporter:                           |      Owner:  draft-ietf-netext-
  pierrick.seite@orange.com<mailto:pierrick.seite@orange.com>          |  p=
mipv6-flowmob@tools.ietf.org<mailto:pmipv6-flowmob@tools.ietf.org>
     Type:  enhancement              |     Status:  new
 Priority:  major                    |  Milestone:
Component:  pmipv6-flowmob           |    Version:
 Severity:  -                        |   Keywords:
-------------------------------------+-------------------------------------

Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/15>
netext <http://tools.ietf.org/netext/>

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


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______________________________________________

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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Issue #15 is valid if dra=
ft-krishnan is adopted.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Pierrick &nbsp;<i><o:p></=
o:p></i></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">De&nbsp;:</span></b><span style=3D"fo=
nt-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Behc=
et Sarikaya [mailto:sarikaya2012@gmail.com]
<br>
<b>Envoy=E9&nbsp;:</b> jeudi 29 novembre 2012 18:11<br>
<b>=C0&nbsp;:</b> SEITE Pierrick OLNC/OLN<br>
<b>Cc&nbsp;:</b> draft-ietf-netext-pmipv6-flowmob@tools.ietf.org; netext@ie=
tf.org<br>
<b>Objet&nbsp;:</b> Re: [netext] #15: use &quot;update notification&quot; f=
or FMI/FMA<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Hi Pierrick,<br>
<br>
I don't understand this issue.<br>
<br>
<span lang=3D"EN-US">Why should a WG draft in its late stages introduce a n=
ormative dependency on an individual draft?<span style=3D"color:#1F497D"><o=
:p></o:p></span></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
draft-krishnan could be good but it could apply only to the future work pos=
sibly after it becomes an RFC.<br>
</span>What if during the process the messages names get changed? <br>
<br>
Regards,<br>
<br>
Behcet<o:p></o:p></p>
<div>
<p class=3D"MsoNormal">On Wed, Nov 21, 2012 at 6:34 AM, netext issue tracke=
r &lt;<a href=3D"mailto:trac&#43;netext@grenache.tools.ietf.org" target=3D"=
_blank">trac&#43;netext@grenache.tools.ietf.org</a>&gt; wrote:<o:p></o:p></=
p>
<p class=3D"MsoNormal">#15: use &quot;update notification&quot; for FMI/FMA=
<br>
<br>
&nbsp;If we go for pBU triggered by LMA signaling, the solution should use<=
br>
&nbsp;update notification UPN/UPA from draft-krishnan-netext-update-<br>
&nbsp;notifications (If adopted by the WG) instead of FMI/FMA which are<br>
&nbsp;functionally similar.<br>
<br>
--<br>
-------------------------------------&#43;---------------------------------=
----<br>
&nbsp;Reporter: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nb=
sp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp;Owner: &nbsp;draft-ie=
tf-netext-<br>
&nbsp; <a href=3D"mailto:pierrick.seite@orange.com">pierrick.seite@orange.c=
om</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp;<a href=3D"mailto:pmipv6-f=
lowmob@tools.ietf.org">pmipv6-flowmob@tools.ietf.org</a><br>
&nbsp; &nbsp; &nbsp;Type: &nbsp;enhancement &nbsp; &nbsp; &nbsp; &nbsp; &nb=
sp; &nbsp; &nbsp;| &nbsp; &nbsp; Status: &nbsp;new<br>
&nbsp;Priority: &nbsp;major &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp; &nbsp;| &nbsp;Milestone:<br>
Component: &nbsp;pmipv6-flowmob &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp;=
 &nbsp;Version:<br>
&nbsp;Severity: &nbsp;- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; Keywords:<br>
-------------------------------------&#43;---------------------------------=
----<br>
<br>
Ticket URL: &lt;<a href=3D"http://trac.tools.ietf.org/wg/netext/trac/ticket=
/15" target=3D"_blank">http://trac.tools.ietf.org/wg/netext/trac/ticket/15<=
/a>&gt;<br>
netext &lt;<a href=3D"http://tools.ietf.org/netext/" target=3D"_blank">http=
://tools.ietf.org/netext/</a>&gt;<br>
<br>
_______________________________________________<br>
netext mailing list<br>
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<a href=3D"https://www.ietf.org/mailman/listinfo/netext" target=3D"_blank">=
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</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</div>
<PRE>______________________________________________________________________=
___________________________________________________

Ce message et ses pieces jointes peuvent contenir des informations confiden=
tielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu=
 ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages el=
ectroniques etant susceptibles d'alteration,
France Telecom - Orange decline toute responsabilite si ce message a ete al=
tere, deforme ou falsifie. Merci.

This message and its attachments may contain confidential or privileged inf=
ormation that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and dele=
te this message and its attachments.
As emails may be altered, France Telecom - Orange is not liable for message=
s that have been modified, changed or falsified.
Thank you.
</PRE></body>
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Date: Thu, 29 Nov 2012 14:17:20 -0600
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From: Behcet Sarikaya <sarikaya2012@gmail.com>
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Subject: Re: [netext] #15: use "update notification" for FMI/FMA
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Hi Pierrick,



On Thu, Nov 29, 2012 at 11:42 AM, <pierrick.seite@orange.com> wrote:

>  Hi,****
>
> ** **
>
> Issue #15 is valid if draft-krishnan is adopted.****
>
> **
>

What are we going to do with LRI/LRA defined in RFC 6705 by Suresh himself?

I think you are worried that no one will use the new messages in
draft-krishnan.
That is a separate issue, we should accept the fact that already there are
several messages defined to be initiated by LMA and move on.

Regards,

Behcet

> **
>
> Pierrick  **
>
> ** **
>
> *De :* Behcet Sarikaya [mailto:sarikaya2012@gmail.com]
> *Envoy=E9 :* jeudi 29 novembre 2012 18:11
> *=C0 :* SEITE Pierrick OLNC/OLN
> *Cc :* draft-ietf-netext-pmipv6-flowmob@tools.ietf.org; netext@ietf.org
> *Objet :* Re: [netext] #15: use "update notification" for FMI/FMA****
>
> ** **
>
> Hi Pierrick,
>
> I don't understand this issue.
>
> Why should a WG draft in its late stages introduce a normative dependency
> on an individual draft?****
>
>
> draft-krishnan could be good but it could apply only to the future work
> possibly after it becomes an RFC.
> What if during the process the messages names get changed?
>
> Regards,
>
> Behcet****
>
> On Wed, Nov 21, 2012 at 6:34 AM, netext issue tracker <
> trac+netext@grenache.tools.ietf.org> wrote:****
>
> #15: use "update notification" for FMI/FMA
>
>  If we go for pBU triggered by LMA signaling, the solution should use
>  update notification UPN/UPA from draft-krishnan-netext-update-
>  notifications (If adopted by the WG) instead of FMI/FMA which are
>  functionally similar.
>
> --
> -------------------------------------+-----------------------------------=
--
>  Reporter:                           |      Owner:  draft-ietf-netext-
>   pierrick.seite@orange.com          |  pmipv6-flowmob@tools.ietf.org
>      Type:  enhancement              |     Status:  new
>  Priority:  major                    |  Milestone:
> Component:  pmipv6-flowmob           |    Version:
>  Severity:  -                        |   Keywords:
> -------------------------------------+-----------------------------------=
--
>
> Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/15>
> netext <http://tools.ietf.org/netext/>
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext****
>
> ** **
>
> _________________________________________________________________________=
________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations confid=
entielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez re=
cu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
electroniques etant susceptibles d'alteration,
> France Telecom - Orange decline toute responsabilite si ce message a ete =
altere, deforme ou falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged i=
nformation that may be protected by law;
> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and de=
lete this message and its attachments.
> As emails may be altered, France Telecom - Orange is not liable for messa=
ges that have been modified, changed or falsified.
> Thank you.
>
>

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Hi Pierrick,<br><br><br><br><div class=3D"gmail_quote">On Thu, Nov 29, 2012=
 at 11:42 AM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:pierrick.seite@orang=
e.com" target=3D"_blank">pierrick.seite@orange.com</a>&gt;</span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex">






<div link=3D"blue" vlink=3D"purple" lang=3D"FR">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Hi,<u></u><u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Issue #15 is valid if dra=
ft-krishnan is adopted.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0</span></p></di=
v></div></blockquote><div><br>What are we going to do with LRI/LRA defined =
in RFC 6705 by Suresh himself?<br>
<br>I think you are worried that no one will use the new messages in draft-=
krishnan. <br>That is a separate issue, we should accept the fact that alre=
ady there are several messages defined to be initiated by LMA and move on.<=
br>
<br>Regards,<br><br>Behcet <br></div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div li=
nk=3D"blue" vlink=3D"purple" lang=3D"FR"><div><p class=3D"MsoNormal"><span =
style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&=
quot;;color:#1f497d"><u></u></span></p>

<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Pierrick =A0<i><u></u><u>=
</u></i></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">De=A0:</span></b><span style=3D"font-=
size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Behcet =
Sarikaya [mailto:<a href=3D"mailto:sarikaya2012@gmail.com" target=3D"_blank=
">sarikaya2012@gmail.com</a>]
<br>
<b>Envoy=E9=A0:</b> jeudi 29 novembre 2012 18:11<br>
<b>=C0=A0:</b> SEITE Pierrick OLNC/OLN<br>
<b>Cc=A0:</b> <a href=3D"mailto:draft-ietf-netext-pmipv6-flowmob@tools.ietf=
.org" target=3D"_blank">draft-ietf-netext-pmipv6-flowmob@tools.ietf.org</a>=
; <a href=3D"mailto:netext@ietf.org" target=3D"_blank">netext@ietf.org</a><=
br>
<b>Objet=A0:</b> Re: [netext] #15: use &quot;update notification&quot; for =
FMI/FMA<u></u><u></u></span></p>
</div>
</div><div><div class=3D"h5">
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Hi Pierrick,<br>
<br>
I don&#39;t understand this issue.<br>
<br>
<span lang=3D"EN-US">Why should a WG draft in its late stages introduce a n=
ormative dependency on an individual draft?<span style=3D"color:#1f497d"><u=
></u><u></u></span></span></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span lang=3D"EN-US">=
<br>
draft-krishnan could be good but it could apply only to the future work pos=
sibly after it becomes an RFC.<br>
</span>What if during the process the messages names get changed? <br>
<br>
Regards,<br>
<br>
Behcet<u></u><u></u></p>
<div>
<p class=3D"MsoNormal">On Wed, Nov 21, 2012 at 6:34 AM, netext issue tracke=
r &lt;<a href=3D"mailto:trac+netext@grenache.tools.ietf.org" target=3D"_bla=
nk">trac+netext@grenache.tools.ietf.org</a>&gt; wrote:<u></u><u></u></p>
<p class=3D"MsoNormal">#15: use &quot;update notification&quot; for FMI/FMA=
<br>
<br>
=A0If we go for pBU triggered by LMA signaling, the solution should use<br>
=A0update notification UPN/UPA from draft-krishnan-netext-update-<br>
=A0notifications (If adopted by the WG) instead of FMI/FMA which are<br>
=A0functionally similar.<br>
<br>
--<br>
-------------------------------------+-------------------------------------=
<br>
=A0Reporter: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 | =A0 =A0 =
=A0Owner: =A0draft-ietf-netext-<br>
=A0 <a href=3D"mailto:pierrick.seite@orange.com" target=3D"_blank">pierrick=
.seite@orange.com</a> =A0 =A0 =A0 =A0 =A0| =A0<a href=3D"mailto:pmipv6-flow=
mob@tools.ietf.org" target=3D"_blank">pmipv6-flowmob@tools.ietf.org</a><br>
=A0 =A0 =A0Type: =A0enhancement =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A0 Status=
: =A0new<br>
=A0Priority: =A0major =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0Milestone=
:<br>
Component: =A0pmipv6-flowmob =A0 =A0 =A0 =A0 =A0 | =A0 =A0Version:<br>
=A0Severity: =A0- =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 Keyw=
ords:<br>
-------------------------------------+-------------------------------------=
<br>
<br>
Ticket URL: &lt;<a href=3D"http://trac.tools.ietf.org/wg/netext/trac/ticket=
/15" target=3D"_blank">http://trac.tools.ietf.org/wg/netext/trac/ticket/15<=
/a>&gt;<br>
netext &lt;<a href=3D"http://tools.ietf.org/netext/" target=3D"_blank">http=
://tools.ietf.org/netext/</a>&gt;<br>
<br>
_______________________________________________<br>
netext mailing list<br>
<a href=3D"mailto:netext@ietf.org" target=3D"_blank">netext@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/netext" target=3D"_blank">=
https://www.ietf.org/mailman/listinfo/netext</a><u></u><u></u></p>
</div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div></div></div>
</div>
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</blockquote></div><br>

--90e6ba614c305ed4ff04cfa7f8f7--

From suresh.krishnan@ericsson.com  Thu Nov 29 12:28:51 2012
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From: Suresh Krishnan <suresh.krishnan@ericsson.com>
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Subject: Re: [netext] #15: use "update notification" for FMI/FMA
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On 11/21/2012 07:34 AM, netext issue tracker wrote:
> #15: use "update notification" for FMI/FMA
> 
>  If we go for pBU triggered by LMA signaling, the solution should use
>  update notification UPN/UPA from draft-krishnan-netext-update-
>  notifications (If adopted by the WG) instead of FMI/FMA which are
>  functionally similar.

I am supportive of doing this *if* the timelines match. I think it would
be a waste to hold up the flowmob draft just so that it can use the
update notification message (especially since, as Behcet said, it is
still an individual draft).

Thanks
Suresh


From suresh.krishnan@ericsson.com  Thu Nov 29 12:35:02 2012
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Subject: Re: [netext] #15: use "update notification" for FMI/FMA
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Hi Behcet,

On 11/29/2012 03:17 PM, Behcet Sarikaya wrote:
> Hi Pierrick,
> 
> 
> 
> On Thu, Nov 29, 2012 at 11:42 AM, <pierrick.seite@orange.com
> <mailto:pierrick.seite@orange.com>> wrote:
> 
>     Hi,____
> 
>     __ __
> 
>     Issue #15 is valid if draft-krishnan is adopted.____
> 
>     __ 
> 
> 
> What are we going to do with LRI/LRA defined in RFC 6705 by Suresh himself?

Nothing :-). The LRI is not a generic notification message. It cannot be
used for other purposes than LR.

Thanks
Suresh


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From: Basavaraj Patil <bpatil1@gmail.com>
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Subject: [netext] Conclusion of consensus call to adopt I-D draft-krishnan-netext-update-notifications
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--f46d044468e3f4b39004cfa88a7c
Content-Type: text/plain; charset=ISO-8859-1

The WG members are supportive of adopting the I-D
draft-krishnan-netext-update-notifiactions as a WG document and progressing
it along the standards track route.

Consensus is strong. I have not seen any dissenting emails for adopting
this I-D.

Authors: Please go ahead and submit the I-D as a Netext WG document.

-Chairs

On Mon, Nov 12, 2012 at 9:11 PM, Basavaraj Patil <bpatil1@gmail.com> wrote:

>
> The I-D : Update Notifications for Proxy Mobile IPv6
> <draft-krishnan-netext-update-notifications> was presented at the WG
> meeting at IETF85 (Atlanta).
> There was consensus in the room to adopt this I-D as a WG document (11 in
> favor of, None against).
>
> Please treat this as a consensus call for adopting this I-D as a WG
> document.
>
> Question: Should the Netext WG adopt I-D:
> draft-krishnan-netext-update-notifications as a working group document?
>
> Yes:  [  ]
> No :  [  ]
>
> Some background info: The 3GPP liaison to the IETF has indicated the
> relevance of this I-D to their specifications and is awaiting feedback from
> the AD and the chairs about its status.
>
> Abstract
>
>    Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
>    protocol that enables IP mobility for a host without requiring its
>    participation in any mobility-related signaling.  This document
>    proposes a mechanism for the Local Mobility Anchor to asynchronously
>    notify the Mobile Access Gateway about changes related to the
>    mobility session.
>
> This consensus call will expire on November 26th, 2012.
>
> -Chairs
>
>


-- 
Basavaraj Patil

--f46d044468e3f4b39004cfa88a7c
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<br>The WG members are supportive of adopting the I-D draft-krishnan-netext=
-update-notifiactions as a WG document and progressing it along the standar=
ds track route.<br><br>Consensus is strong. I have not seen any dissenting =
emails for adopting this I-D.<br>
<br>Authors: Please go ahead and submit the I-D as a Netext WG document.<br=
><br>-Chairs<br><br><div class=3D"gmail_quote">On Mon, Nov 12, 2012 at 9:11=
 PM, Basavaraj Patil <span dir=3D"ltr">&lt;<a href=3D"mailto:bpatil1@gmail.=
com" target=3D"_blank">bpatil1@gmail.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"><br>The I-D : Update Notifications for Proxy=
 Mobile IPv6 &lt;draft-krishnan-netext-update-notifications&gt; was present=
ed at the WG meeting at IETF85 (Atlanta).<br>
There was consensus in the room to adopt this I-D as a WG document (11 in f=
avor of, None against).<br>
<br>Please treat this as a consensus call for adopting this I-D as a WG doc=
ument.<br><br>Question: Should the Netext WG adopt I-D: draft-krishnan-nete=
xt-update-notifications as a working group document?<br><br>Yes:=A0 [=A0 ]<=
br>

No :=A0 [=A0 ]<br><br>Some background info: The 3GPP liaison to the IETF ha=
s indicated the relevance of this I-D to their specifications and is awaiti=
ng feedback from the AD and the chairs about its status.<br><br>Abstract<br=
>

<br>=A0=A0 Proxy Mobile IPv6 (PMIPv6) is a network based mobility managemen=
t<br>=A0=A0 protocol that enables IP mobility for a host without requiring =
its<br>=A0=A0 participation in any mobility-related signaling.=A0 This docu=
ment<br>=A0=A0 proposes a mechanism for the Local Mobility Anchor to asynch=
ronously<br>

=A0=A0 notify the Mobile Access Gateway about changes related to the<br>=A0=
=A0 mobility session.<br><br>This consensus call will expire on November 26=
th, 2012.<br><br>-Chairs<br clear=3D"all"><br>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Basavaraj Patil<br>

--f46d044468e3f4b39004cfa88a7c--

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From: Suresh Krishnan <suresh.krishnan@ericsson.com>
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To: Basavaraj Patil <bpatil1@gmail.com>
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Cc: netext@ietf.org, draft-krishnan-netext-update-notifications@tools.ietf.org
Subject: Re: [netext] Conclusion of consensus call to adopt I-D draft-krishnan-netext-update-notifications
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On 11/29/2012 03:58 PM, Basavaraj Patil wrote:
> 
> The WG members are supportive of adopting the I-D
> draft-krishnan-netext-update-notifiactions as a WG document and
> progressing it along the standards track route.
> 
> Consensus is strong. I have not seen any dissenting emails for adopting
> this I-D.
> 
> Authors: Please go ahead and submit the I-D as a Netext WG document.

Thanks Raj. We went ahead and submitted a wg -00 version identical to
the individual -01 version. It should be published as soon as the chairs
approve the initial version submission.

Cheers
Suresh


From internet-drafts@ietf.org  Fri Nov 30 08:48:20 2012
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Date: Fri, 30 Nov 2012 08:48:20 -0800
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Subject: [netext] I-D Action: draft-ietf-netext-update-notifications-00.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 Network-Based Mobility Extensions Working=
 Group of the IETF.

	Title           : Update Notifications for Proxy Mobile IPv6
	Author(s)       : Suresh Krishnan
                          Sri Gundavelli
                          Marco Liebsch
                          Hidetoshi Yokota
                          Jouni Korhonen
	Filename        : draft-ietf-netext-update-notifications-00.txt
	Pages           : 8
	Date            : 2012-11-30

Abstract:
   Proxy Mobile IPv6 (PMIPv6) is a network based mobility management
   protocol that enables IP mobility for a host without requiring its
   participation in any mobility-related signaling.  This document
   proposes a mechanism for the Local Mobility Anchor to asynchronously
   notify the Mobile Access Gateway about changes related to the
   mobility session.


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

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-netext-update-notifications-00


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

