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From: Marco Liebsch <Marco.Liebsch@neclab.eu>
To: Ahmad Muhanna <amuhanna@awardsolutions.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: Review Comments on: draft-ietf-netext-pmip6-qos-02
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Cc: Basavaraj Patil <bpatil1@gmail.com>
Subject: Re: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
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Hi Ahmad,
please see inline.

>-----Original Message-----
>From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
>Sent: Dienstag, 25. Juni 2013 16:51
>To: Marco Liebsch; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Marco,
>Sorry I was out last week.
>I would like to address your comments as follows. The below is in general =
and
>comments to your specific replies.
>
>In general, I agree 3GPP standard does not specify a PMIPv6 tunnel that is
>comparable to a GTP bearer. That's given. However, that is the reason 3GPP
>specify a different PCC architecture when PMIP is used. In other words, th=
e MAG
>goes directly to the PCRF over Gxa, for example.

There are different views on how QoS for non-cellular access is treated. Th=
e approach
as per this specification is one solution.

>
>I believe that allowing a different architecture for PCC to be used over P=
MIP6
>must have one of two options.
>1. Define the needed extras for PMIP6 to be able to be comparable to GTP
>bearer and then use PCC as it is being used for GTP and as you are trying =
to use
>in your draft, this means you need to describe the scenarios to the level =
of
>bearers and NOT MN or Mobility session. However, I must say that this opti=
on
>SHOULD NOT be addressed in IETF and should be handled in 3GPP
>standardization, for example SA2. I remember in the past there was lots of
>discussion related to PCC architecture and for PMIP the option was to use =
out-of-
>bound mechanism.
>
>2. Forget about 3GPP PCC and define your own mechanism for exchanging some
>QoS parameters without ANY reference to 3GPP. That is possible but I am no=
t
>sure about the value.

Keeping this specification more general without digging into bearer, GTP an=
d PCC
does not conflict with deploying the spec in 3GPP later. That applies to va=
rious
previously published RFCs.=20
In fact, we had some text about bearers in the first drafts and were asked =
to remove.
If we write about these specific background technologies, we probably need =
to
explain them in the draft, which is not needed IHMO.


>
>Having said the above, please see more responses below.
>
>
>Best Regards,
>Ahmad
>
>-----Original Message-----
>From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
>Sent: Monday, June 17, 2013 10:54 AM
>To: Ahmad Muhanna; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Ahmad,
>
>thanks a lot for your detailed comments and proposals.
>Please see inline for feedback.
>
>>-----Original Message-----
>>From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On
>>Behalf Of Ahmad Muhanna
>>Sent: Sonntag, 2. Juni 2013 21:21
>>To: netext@ietf.org
>>Cc: Basavaraj Patil
>>Subject: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
>>
>>Hi Raj and authors,
>>
>>I have reviewed this draft and I have the below comments.
>>
>>General Comment:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>I have found it difficult to follow this document differentiation
>>between IP session, IP flows, Mobility Session with respect to QoS.
>>Since this document reference 3GPP specification for the purpose of
>>QoS, we realize that QoS (in
>>3GPP) is enforced at the level of a bearer. Thus, when we talk about IP
>>session, is that a single bearer or all types of traffic/flows is carried=
 over this IP
>session.
>>May be the question is: what is the equivalent of a bearer in PMIPv6?
>>Then we should make sure that we use that definition when referring to
>>QoS enforcement.
>
>I would not try to map the bearer concept, which applies to cellular netwo=
rks, to
>IP tunneling as used by PMIP. A PMIP tunnel is shared even by multiple use=
rs,
>whereas the bearer is established per MN and per QoS. I'd rather add more =
text
>about how QoS differentiation should be enabled on a PMIP tunnel. In curre=
nt
>cellular systems, mapping of flows to a per MN and per-QoS bearer is
>performed on the downlink after the termination of the PMIP tunnel, i.e. a=
t the
>MAG. So, no bearer assumed on PMIP even in cellular networks. Scope of the
>spec is to enable QoS differentiation by means of DSCPs on the PMIP tunnel=
 and
>opt for mapping of QoS rules to non-cellular access technology specific Qo=
S.
>
>[Ahmad:]
>[Ahmad:] Please see my comments above.
>
>
>>
>>After reading on, section 4.1., mentions that the QoS is applied at
>>three different levels, IP flow, Mobility Session, or per MN.
>>May be it is a good idea to have this mentioned upfront in the
>>introduction section in order to set the stage correctly. In addition
>>somehow, this document needs to provide the detailed logic to differentia=
te
>between the three cases.
>
>Fully agree to that point and we addressed past comments on this mainly in=
 the
>message format description. The general parts, such as the Intro, lack in =
clear
>text, which we'll add in the updated version. Thanks again for the hint.
>[Ahmad:] Thank you.
>
>
>>
>>
>>Editorial:
>>Comment No. 1:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>      (a) Maintenance of QoS classification during a handover between
>>      cellular radio access and WLAN access by means of establishing QoS
>>      policies in the handover target access network,
>>
>>[Ahmad]
>>     (a) Maintaining QoS classification ....
>
>Ok.
>
>
>>
>>Comment No. 2:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   This document specifies an extension to the PMIPv6 protocol, which
>>   enables the transport of established QoS descriptions between an LMA
>>   and the MAG by means of a QoS container option in case the QoS policy
>>   in the WLAN access is not under explicit control of a policy control
>>   system.
>>
>>[Ahmad]
>>It is not clear what you are trying to say in here. I am thinking the
>>authors intention is to say that in case there is no out of bound
>>policy control mechanism, this document specifies an inbound mechanism
>>using an extension to the PMIPv6 protocol. May be this can be rephrased
>>to capture the mentioned meaning.
>
>Agreed. How about that (omitting the pointer to the policy control system)=
:
>This document specifies an extension to the PMIPv6 protocol to establish Q=
oS
>policies for an MN's data traffic on the LMA and the MAG. QoS policies are
>conveyed in-band with
>PMIPv6 signaling using the specified QoS option and are enforced on the LM=
A
>for downlink traffic and on the MAG for uplink traffic.
>[Ahmad:]
>I think that may be an option as I listed above. However, you need to pres=
ent this
>document as a mechanism for exchanging some QoS parameters that you need
>to define in this document or reference other IETF documents because you n=
o
>longer is able to reference any 3GPP documents. In that case, please make =
sure
>that the document is consistent across the board and I believe the new/upd=
ated
>document needs further fresh reviews.
>

Ok.


>
>>
>>Comment No. 3:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   The specified option allows association between IP session
>>   keys, such as a Differentiated Services Code Point (DSCP), and the
>>   expected QoS class for this IP session.
>>
>>[Ahmad]
>>I have a problem with the word "keys", maybe we can say IP session
>>classification parameters,
>>
>
>I think your proposal is good. We'll adopt it.
>
>
>>
>>
>>Comment No. 4:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   The MN is first connected to the LTE network and having a multimedia
>>   session such as a video call with appropriate QoS parameters set by
>>   the policy control function.
>>
>>[Ahmad]
>>All of a sudden introduced LTE network, maybe we can rephrase this as fol=
lows:
>>
>>   The MN is first connected to the cellular network, e.g., LTE
>>network, and having a multimedia ......
>
>Good point.
>
>>
>>Comment No. 5:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>3.3.  Use Case B -- Establishment of new QoS Context in non-3G Access
>>
>>[Ahmad]
>>I guess the intention to say non-3GPP ?
>
>Yes. Even better: '..non-cellular Access'. Ok with you?
>[Ahmad:] Yes. If you agree to not reference 3GPP standardization, this com=
es
>natural. Thanks!
>

Ok.

>>
>>
>>Comment No. 6:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>3.5.  Relevant QoS Attributes
>>
>>[Ahmad]
>>Although, TFT is not considered a QoS parameter, but it is quite
>>important. I did not see the UL TFT is mentioned anywhere. Is it handled
>outside this document?
>>If it is, we need to mention that because it tightly coupled with the
>>enforcement of the QoS.
>
>The TFT is a cellular-specific concept, better a collection of filter and =
mapping
>rules, that holds flow information and allow mapping of each flow to a bea=
rer in
>the cellular network. The downlink TFT applies to the MAG in the cellular
>network which use PMIP, the uplink TFT (do you refer only to this one?) ap=
plies
>to the MN. I consider functions of the TFT on both sides out of scope of t=
his
>document's focus, as it's related to bearer mapping.
>
>[Ahmad:] May be I am missing something here. At the end regardless of the
>mapping to a single bearer or a tunnel for multiple UEs, you need to enfor=
ce the
>PCC rules at the level of flows. That could be a wild card but if you have=
 a
>solution that assumes wild card all the time, then you may have a problem.=
 In
>other words, I believe the TFT is needed to be communicated to the UE and =
the
>MAG. If in non-cellular the UE does not need to have the uplink TFT, then =
please
>explain this in the draft. In other words, whatever option you want to cho=
ose,
>please mention the justification. Thanks.
>

The spec does not assume wildcarded policies all the time. For some, a per-=
MN or
per-mobility session wildcard makes sense, i.e. the aggregate of the MN or =
its registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce s=
pecific rules
to some flows for prioritization. I do not see a problem with this.

I don't think the draft needs to go into implementation specific how to ide=
ntify
flows and apply associated rules when there is a TFT and 3GPP-specific
implementation already on the MN or the LMA respectively.

>
>Also I do not think the spec needs to classify it explicitly as out of sco=
pe.
>Implementations may re-use the TFT data structures to hold and maintain Qo=
S
>information for non-cellular access, but I'd hesitate entering that level =
and the
>need to introduce a TFT term, which also needs to be described then.
>Other opinions?
>[Ahmad:] Well, then we disagree. That communication of QoS parameters is
>useless if you do not know how to enforce it. Whenever, people talks about=
 PCC,
>they automatically thinks of the enforcement and you need to address it. E=
ither
>referencing other IETF documents or give justification for why it is not n=
eeded.
>

Do you propose to describe the conceptual datastructures that hold the rece=
ived
policies? Then, do you also propose to add some text about 'flow identifica=
tion and
rules enforcement' ?


>
>>
>>After reading on, there is Traffic Selector Attribute (section 4.1,
>>etc). However, the following text is a little misleading and gives the
>>impression as the additional attributes are out of scope.
>>
>>   For some optional QoS attributes the signaling can differentiate
>>   enforcement per mobility session and per IP flow.  Additional
>>   attributes can be appended to the QoS option, but their definition
>>   and specification is out of scope of this document and left to their
>>   actual deployment.
>>
>>I think the above text can be modified to clearly reference Traffic Selec=
tor.
>
>Not sure I got your point correctly. The specification of additional QoS a=
ttributes
>and the associated options' format is out of scope of this specification, =
but may
>be relevant for a particular deployment. Means, the specified mechanisms c=
an
>be used to convey more options, e.g. ones that are defined by other SDOs.
>[Ahmad:] That should be fine.


Ok

>
>About the Traffic Selector, what else than a reference to RFC6088 would yo=
u like
>to see in the draft?
>[Ahmad:] That should suffice to eliminate the possible misunderstanding of=
 the
>text above.


Ok

>
>>
>>
>>Technical Comments:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>
>>Comment No. 1:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 4.2 " Local Mobility Anchor Considerations" , it says the
>following:
>>
>>   The flow selectors and the parameters for flow treatment MUST be
>>   included in the option only if QoS policy is expected to apply at the
>>   flow level.
>>
>>On the other hand, under section 5, "Quality of Service Option", it
>>says the DSCP value to be used for the flow:
>>
>>   o  DSCP: An 6-bit unsigned integer indicating the code point value,
>>      as defined in [RFC2475] to be used for the flow.
>>
>>[Ahmad]
>>It is not clear to me how this will work out. If the DSCP is a fixed
>>field in the QoS option, then how this will work to allow having
>>different flows with different DSCP(s). Let me try to explain where I
>>am lost! :-)
>>
>>If the mobility session was established for default kind of traffic and
>>the QoS DSCP was communicated for a QCI of 9 (DSCP1) for example. Then
>>at a later time, the MN establishes some application session (flow)
>>with QCI 1 and the returned QoS has a DSCP (DSCP2) in the fixed field
>>and probably a Traffic Selector since it is a per single flow.
>>
>>Now: when the MAG receives the new PBA, is DSCP2 for this flow only and
>>the old DSCP1 for every other traffic? How that should work in relation
>>with the above DSCP field definition?
>
>Per-flow policies overrule default policies. I hope this is only a clarifi=
cation issue
>in the draft, or do you see an inconsistency and technical issue here?
>[Ahmad:]
>As I said earlier, please remember you are defining a new mechanism for us=
ing
>3GPP PCC architecture that is NOT defined by 3GPP. May be if you agree on =
the
>previous comments above, then this point will automatically be addressed.
>

We'll try to clarify this in the revision.


>>
>>
>>Comment No. 2:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 6, the Guaranteed Downlink Bit Rate is missing.
>
>Only in the listed attributes, not in the specification (Sec. 6.6 and 6.7)=
.
>Thanks for the catch!
>
>>
>>
>>
>>Comment No. 3:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 6.8, "Traffic Selector", it says the following:
>>
>>   MUST be included if QoS parameters (Options according to Section 6.5
>>   to Section 6.7) are expected to apply at the flow level
>>
>>[Ahmad]
>>Why did you single out these two sections only?
>
>Because the use of per-flow rules made sense here, whereas the per-Mobilit=
y
>Session attributes should represent an aggregated view taking all flows of=
 the
>mobility session into account.
>[Ahmad:]
>May be the new approach (if you agree on the above comments) will address
>this too.

Also here, we'll try to clarify this in the revision.

Thanks,
marco

>
>>For example, section 6.5, says the following:
>>
>>"
>>6.5.  Allocation and Retention Priority
>>
>>   .......
>>   If the attribute is expected to apply at the flow level, the
>>   traffic selector (Section 6.8) MUST be included in the QoS option.
>>"
>>
>>I suggest modifying the text as follows:
>>
>>   MUST be included when QoS is expected to be applied at the flow level.
>
>Ok.
>
>>
>>
>>Comment No. 4:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Since the Guaranteed Downlink Bit Rate is missing, please recheck the
>>assigned type values and their order in section 6 and the following
>>subsections. Also, please update the IANA section accordingly.
>
>Ok.
>
>Thanks again for your detailed comments and suggestions.
>
>Marco
>[Ahmad:]
>Thanks Marco!
>
>>
>>
>>Regards,
>>Ahmad
>>
>>
>>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>+
>>+++++++++++++++++++++
>>From: Basavaraj Patil [mailto:bpatil1@gmail.com]
>>Sent: Tuesday, May 14, 2013 4:37 PM
>>To: Ahmad Muhanna
>>Cc: netext@ietf.org
>>Subject: Request for review of I-D: draft-ietf-netext-pmip6-qos-02
>>
>>
>>Hi Ahmad,
>>
>>We would appreciate it if you can review the I-D:=A0uality of Service
>>Option for Proxy Mobile IPv6 <draft-ietf-netext-pmip6-qos-02.txt>.
>>
>>Please post your review comments directly to the list. If you can
>>complete the review within the next 2 weeks, that would be much appreciat=
ed.
>>
>>Thank you.
>>
>>-Chairs
>>
>>--
>>Basavaraj Patil
>>_______________________________________________
>>netext mailing list
>>netext@ietf.org
>>https://www.ietf.org/mailman/listinfo/netext

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From: Ahmad Muhanna <amuhanna@awardsolutions.com>
To: Marco Liebsch <Marco.Liebsch@neclab.eu>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: Review Comments on: draft-ietf-netext-pmip6-qos-02
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Cc: Basavaraj Patil <bpatil1@gmail.com>
Subject: Re: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
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Hi Marco,

Seems we are converging.
Just one follow up:

>[Ahmad:] May be I am missing something here. At the end regardless of=20
>the mapping to a single bearer or a tunnel for multiple UEs, you need=20
>to enforce the PCC rules at the level of flows. That could be a wild=20
>card but if you have a solution that assumes wild card all the time,=20
>then you may have a problem. In other words, I believe the TFT is=20
>needed to be communicated to the UE and the MAG. If in non-cellular the=20
>UE does not need to have the uplink TFT, then please explain this in=20
>the draft. In other words, whatever option you want to choose, please ment=
ion the justification. Thanks.
>

The spec does not assume wildcarded policies all the time. For some, a per-=
MN or per-mobility session wildcard makes sense, i.e. the aggregate of the =
MN or its registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce s=
pecific rules to some flows for prioritization. I do not see a problem with=
 this.
[Ahmad]
Good.

I don't think the draft needs to go into implementation specific how to ide=
ntify flows and apply associated rules when there is a TFT and 3GPP-specifi=
c implementation already on the MN or the LMA respectively.

[Ahmad]
All what I think is needed is for the proposed mechanism to also include th=
e communication of TFT as needed. If you think communicating UL TFT to the =
UE, for example, is not needed for Non-cellular network, then please explai=
n why.

Thanks again!


Best Regards,
Ahmad

-----Original Message-----
From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]=20
Sent: Monday, July 01, 2013 7:59 AM
To: Ahmad Muhanna; netext@ietf.org
Cc: Basavaraj Patil
Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Ahmad,
please see inline.

>-----Original Message-----
>From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
>Sent: Dienstag, 25. Juni 2013 16:51
>To: Marco Liebsch; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Marco,
>Sorry I was out last week.
>I would like to address your comments as follows. The below is in=20
>general and comments to your specific replies.
>
>In general, I agree 3GPP standard does not specify a PMIPv6 tunnel that=20
>is comparable to a GTP bearer. That's given. However, that is the=20
>reason 3GPP specify a different PCC architecture when PMIP is used. In=20
>other words, the MAG goes directly to the PCRF over Gxa, for example.

There are different views on how QoS for non-cellular access is treated. Th=
e approach as per this specification is one solution.

>
>I believe that allowing a different architecture for PCC to be used=20
>over PMIP6 must have one of two options.
>1. Define the needed extras for PMIP6 to be able to be comparable to=20
>GTP bearer and then use PCC as it is being used for GTP and as you are=20
>trying to use in your draft, this means you need to describe the=20
>scenarios to the level of bearers and NOT MN or Mobility session.=20
>However, I must say that this option SHOULD NOT be addressed in IETF=20
>and should be handled in 3GPP standardization, for example SA2. I=20
>remember in the past there was lots of discussion related to PCC=20
>architecture and for PMIP the option was to use out-of- bound mechanism.
>
>2. Forget about 3GPP PCC and define your own mechanism for exchanging=20
>some QoS parameters without ANY reference to 3GPP. That is possible but=20
>I am not sure about the value.

Keeping this specification more general without digging into bearer, GTP an=
d PCC does not conflict with deploying the spec in 3GPP later. That applies=
 to various previously published RFCs.=20
In fact, we had some text about bearers in the first drafts and were asked =
to remove.
If we write about these specific background technologies, we probably need =
to explain them in the draft, which is not needed IHMO.


>
>Having said the above, please see more responses below.
>
>
>Best Regards,
>Ahmad
>
>-----Original Message-----
>From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
>Sent: Monday, June 17, 2013 10:54 AM
>To: Ahmad Muhanna; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Ahmad,
>
>thanks a lot for your detailed comments and proposals.
>Please see inline for feedback.
>
>>-----Original Message-----
>>From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On=20
>>Behalf Of Ahmad Muhanna
>>Sent: Sonntag, 2. Juni 2013 21:21
>>To: netext@ietf.org
>>Cc: Basavaraj Patil
>>Subject: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
>>
>>Hi Raj and authors,
>>
>>I have reviewed this draft and I have the below comments.
>>
>>General Comment:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>I have found it difficult to follow this document differentiation=20
>>between IP session, IP flows, Mobility Session with respect to QoS.
>>Since this document reference 3GPP specification for the purpose of=20
>>QoS, we realize that QoS (in
>>3GPP) is enforced at the level of a bearer. Thus, when we talk about=20
>>IP session, is that a single bearer or all types of traffic/flows is=20
>>carried over this IP
>session.
>>May be the question is: what is the equivalent of a bearer in PMIPv6?
>>Then we should make sure that we use that definition when referring to=20
>>QoS enforcement.
>
>I would not try to map the bearer concept, which applies to cellular=20
>networks, to IP tunneling as used by PMIP. A PMIP tunnel is shared even=20
>by multiple users, whereas the bearer is established per MN and per=20
>QoS. I'd rather add more text about how QoS differentiation should be=20
>enabled on a PMIP tunnel. In current cellular systems, mapping of flows=20
>to a per MN and per-QoS bearer is performed on the downlink after the=20
>termination of the PMIP tunnel, i.e. at the MAG. So, no bearer assumed=20
>on PMIP even in cellular networks. Scope of the spec is to enable QoS=20
>differentiation by means of DSCPs on the PMIP tunnel and opt for mapping o=
f QoS rules to non-cellular access technology specific QoS.
>
>[Ahmad:]
>[Ahmad:] Please see my comments above.
>
>
>>
>>After reading on, section 4.1., mentions that the QoS is applied at=20
>>three different levels, IP flow, Mobility Session, or per MN.
>>May be it is a good idea to have this mentioned upfront in the=20
>>introduction section in order to set the stage correctly. In addition=20
>>somehow, this document needs to provide the detailed logic to=20
>>differentiate
>between the three cases.
>
>Fully agree to that point and we addressed past comments on this mainly=20
>in the message format description. The general parts, such as the=20
>Intro, lack in clear text, which we'll add in the updated version. Thanks =
again for the hint.
>[Ahmad:] Thank you.
>
>
>>
>>
>>Editorial:
>>Comment No. 1:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>      (a) Maintenance of QoS classification during a handover between
>>      cellular radio access and WLAN access by means of establishing QoS
>>      policies in the handover target access network,
>>
>>[Ahmad]
>>     (a) Maintaining QoS classification ....
>
>Ok.
>
>
>>
>>Comment No. 2:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   This document specifies an extension to the PMIPv6 protocol, which
>>   enables the transport of established QoS descriptions between an LMA
>>   and the MAG by means of a QoS container option in case the QoS policy
>>   in the WLAN access is not under explicit control of a policy control
>>   system.
>>
>>[Ahmad]
>>It is not clear what you are trying to say in here. I am thinking the=20
>>authors intention is to say that in case there is no out of bound=20
>>policy control mechanism, this document specifies an inbound mechanism=20
>>using an extension to the PMIPv6 protocol. May be this can be=20
>>rephrased to capture the mentioned meaning.
>
>Agreed. How about that (omitting the pointer to the policy control system)=
:
>This document specifies an extension to the PMIPv6 protocol to=20
>establish QoS policies for an MN's data traffic on the LMA and the MAG.=20
>QoS policies are conveyed in-band with
>PMIPv6 signaling using the specified QoS option and are enforced on the=20
>LMA for downlink traffic and on the MAG for uplink traffic.
>[Ahmad:]
>I think that may be an option as I listed above. However, you need to=20
>present this document as a mechanism for exchanging some QoS parameters=20
>that you need to define in this document or reference other IETF=20
>documents because you no longer is able to reference any 3GPP=20
>documents. In that case, please make sure that the document is=20
>consistent across the board and I believe the new/updated document needs f=
urther fresh reviews.
>

Ok.


>
>>
>>Comment No. 3:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   The specified option allows association between IP session
>>   keys, such as a Differentiated Services Code Point (DSCP), and the
>>   expected QoS class for this IP session.
>>
>>[Ahmad]
>>I have a problem with the word "keys", maybe we can say IP session=20
>>classification parameters,
>>
>
>I think your proposal is good. We'll adopt it.
>
>
>>
>>
>>Comment No. 4:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>   The MN is first connected to the LTE network and having a multimedia
>>   session such as a video call with appropriate QoS parameters set by
>>   the policy control function.
>>
>>[Ahmad]
>>All of a sudden introduced LTE network, maybe we can rephrase this as fol=
lows:
>>
>>   The MN is first connected to the cellular network, e.g., LTE=20
>>network, and having a multimedia ......
>
>Good point.
>
>>
>>Comment No. 5:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>3.3.  Use Case B -- Establishment of new QoS Context in non-3G Access
>>
>>[Ahmad]
>>I guess the intention to say non-3GPP ?
>
>Yes. Even better: '..non-cellular Access'. Ok with you?
>[Ahmad:] Yes. If you agree to not reference 3GPP standardization, this=20
>comes natural. Thanks!
>

Ok.

>>
>>
>>Comment No. 6:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>3.5.  Relevant QoS Attributes
>>
>>[Ahmad]
>>Although, TFT is not considered a QoS parameter, but it is quite=20
>>important. I did not see the UL TFT is mentioned anywhere. Is it=20
>>handled
>outside this document?
>>If it is, we need to mention that because it tightly coupled with the=20
>>enforcement of the QoS.
>
>The TFT is a cellular-specific concept, better a collection of filter=20
>and mapping rules, that holds flow information and allow mapping of=20
>each flow to a bearer in the cellular network. The downlink TFT applies=20
>to the MAG in the cellular network which use PMIP, the uplink TFT (do=20
>you refer only to this one?) applies to the MN. I consider functions of=20
>the TFT on both sides out of scope of this document's focus, as it's relat=
ed to bearer mapping.
>
>[Ahmad:] May be I am missing something here. At the end regardless of=20
>the mapping to a single bearer or a tunnel for multiple UEs, you need=20
>to enforce the PCC rules at the level of flows. That could be a wild=20
>card but if you have a solution that assumes wild card all the time,=20
>then you may have a problem. In other words, I believe the TFT is=20
>needed to be communicated to the UE and the MAG. If in non-cellular the=20
>UE does not need to have the uplink TFT, then please explain this in=20
>the draft. In other words, whatever option you want to choose, please ment=
ion the justification. Thanks.
>

The spec does not assume wildcarded policies all the time. For some, a per-=
MN or per-mobility session wildcard makes sense, i.e. the aggregate of the =
MN or its registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce s=
pecific rules to some flows for prioritization. I do not see a problem with=
 this.

I don't think the draft needs to go into implementation specific how to ide=
ntify flows and apply associated rules when there is a TFT and 3GPP-specifi=
c implementation already on the MN or the LMA respectively.

>
>Also I do not think the spec needs to classify it explicitly as out of sco=
pe.
>Implementations may re-use the TFT data structures to hold and maintain=20
>QoS information for non-cellular access, but I'd hesitate entering that=20
>level and the need to introduce a TFT term, which also needs to be describ=
ed then.
>Other opinions?
>[Ahmad:] Well, then we disagree. That communication of QoS parameters=20
>is useless if you do not know how to enforce it. Whenever, people talks=20
>about PCC, they automatically thinks of the enforcement and you need to=20
>address it. Either referencing other IETF documents or give justification =
for why it is not needed.
>

Do you propose to describe the conceptual datastructures that hold the rece=
ived policies? Then, do you also propose to add some text about 'flow ident=
ification and rules enforcement' ?


>
>>
>>After reading on, there is Traffic Selector Attribute (section 4.1,=20
>>etc). However, the following text is a little misleading and gives the=20
>>impression as the additional attributes are out of scope.
>>
>>   For some optional QoS attributes the signaling can differentiate
>>   enforcement per mobility session and per IP flow.  Additional
>>   attributes can be appended to the QoS option, but their definition
>>   and specification is out of scope of this document and left to their
>>   actual deployment.
>>
>>I think the above text can be modified to clearly reference Traffic Selec=
tor.
>
>Not sure I got your point correctly. The specification of additional=20
>QoS attributes and the associated options' format is out of scope of=20
>this specification, but may be relevant for a particular deployment.=20
>Means, the specified mechanisms can be used to convey more options, e.g. o=
nes that are defined by other SDOs.
>[Ahmad:] That should be fine.


Ok

>
>About the Traffic Selector, what else than a reference to RFC6088 would=20
>you like to see in the draft?
>[Ahmad:] That should suffice to eliminate the possible misunderstanding=20
>of the text above.


Ok

>
>>
>>
>>Technical Comments:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>
>>Comment No. 1:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 4.2 " Local Mobility Anchor Considerations" , it says=20
>>the
>following:
>>
>>   The flow selectors and the parameters for flow treatment MUST be
>>   included in the option only if QoS policy is expected to apply at the
>>   flow level.
>>
>>On the other hand, under section 5, "Quality of Service Option", it=20
>>says the DSCP value to be used for the flow:
>>
>>   o  DSCP: An 6-bit unsigned integer indicating the code point value,
>>      as defined in [RFC2475] to be used for the flow.
>>
>>[Ahmad]
>>It is not clear to me how this will work out. If the DSCP is a fixed=20
>>field in the QoS option, then how this will work to allow having=20
>>different flows with different DSCP(s). Let me try to explain where I=20
>>am lost! :-)
>>
>>If the mobility session was established for default kind of traffic=20
>>and the QoS DSCP was communicated for a QCI of 9 (DSCP1) for example.=20
>>Then at a later time, the MN establishes some application session=20
>>(flow) with QCI 1 and the returned QoS has a DSCP (DSCP2) in the fixed=20
>>field and probably a Traffic Selector since it is a per single flow.
>>
>>Now: when the MAG receives the new PBA, is DSCP2 for this flow only=20
>>and the old DSCP1 for every other traffic? How that should work in=20
>>relation with the above DSCP field definition?
>
>Per-flow policies overrule default policies. I hope this is only a=20
>clarification issue in the draft, or do you see an inconsistency and techn=
ical issue here?
>[Ahmad:]
>As I said earlier, please remember you are defining a new mechanism for=20
>using 3GPP PCC architecture that is NOT defined by 3GPP. May be if you=20
>agree on the previous comments above, then this point will automatically b=
e addressed.
>

We'll try to clarify this in the revision.


>>
>>
>>Comment No. 2:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 6, the Guaranteed Downlink Bit Rate is missing.
>
>Only in the listed attributes, not in the specification (Sec. 6.6 and 6.7)=
.
>Thanks for the catch!
>
>>
>>
>>
>>Comment No. 3:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Under section 6.8, "Traffic Selector", it says the following:
>>
>>   MUST be included if QoS parameters (Options according to Section 6.5
>>   to Section 6.7) are expected to apply at the flow level
>>
>>[Ahmad]
>>Why did you single out these two sections only?
>
>Because the use of per-flow rules made sense here, whereas the=20
>per-Mobility Session attributes should represent an aggregated view=20
>taking all flows of the mobility session into account.
>[Ahmad:]
>May be the new approach (if you agree on the above comments) will=20
>address this too.

Also here, we'll try to clarify this in the revision.

Thanks,
marco

>
>>For example, section 6.5, says the following:
>>
>>"
>>6.5.  Allocation and Retention Priority
>>
>>   .......
>>   If the attribute is expected to apply at the flow level, the
>>   traffic selector (Section 6.8) MUST be included in the QoS option.
>>"
>>
>>I suggest modifying the text as follows:
>>
>>   MUST be included when QoS is expected to be applied at the flow level.
>
>Ok.
>
>>
>>
>>Comment No. 4:
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>Since the Guaranteed Downlink Bit Rate is missing, please recheck the=20
>>assigned type values and their order in section 6 and the following=20
>>subsections. Also, please update the IANA section accordingly.
>
>Ok.
>
>Thanks again for your detailed comments and suggestions.
>
>Marco
>[Ahmad:]
>Thanks Marco!
>
>>
>>
>>Regards,
>>Ahmad
>>
>>
>>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>+
>>+++++++++++++++++++++
>>From: Basavaraj Patil [mailto:bpatil1@gmail.com]
>>Sent: Tuesday, May 14, 2013 4:37 PM
>>To: Ahmad Muhanna
>>Cc: netext@ietf.org
>>Subject: Request for review of I-D: draft-ietf-netext-pmip6-qos-02
>>
>>
>>Hi Ahmad,
>>
>>We would appreciate it if you can review the I-D:=A0uality of Service=20
>>Option for Proxy Mobile IPv6 <draft-ietf-netext-pmip6-qos-02.txt>.
>>
>>Please post your review comments directly to the list. If you can=20
>>complete the review within the next 2 weeks, that would be much appreciat=
ed.
>>
>>Thank you.
>>
>>-Chairs
>>
>>--
>>Basavaraj Patil
>>_______________________________________________
>>netext mailing list
>>netext@ietf.org
>>https://www.ietf.org/mailman/listinfo/netext

From Marco.Liebsch@neclab.eu  Mon Jul  1 07:17:15 2013
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From: Marco Liebsch <Marco.Liebsch@neclab.eu>
To: Ahmad Muhanna <amuhanna@awardsolutions.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: Review Comments on: draft-ietf-netext-pmip6-qos-02
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Date: Mon, 1 Jul 2013 14:15:36 +0000
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References: <CAA5F1T3bLg9D+4zohzKPRsu_yQyD4fQsNa00_d1m2On4mLtg4w@mail.gmail.com> <3359F724933DFD458579D24EAC7690988B231081@Redwood.usa.awardsolutions.com> <69756203DDDDE64E987BC4F70B71A26D552CD2D7@DAPHNIS.office.hd> <3359F724933DFD458579D24EAC769098A217AB7F@Redwood.usa.awardsolutions.com> <69756203DDDDE64E987BC4F70B71A26D552DCBD9@DAPHNIS.office.hd> <3359F724933DFD458579D24EAC769098A217D9A5@Redwood.usa.awardsolutions.com>
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Cc: Basavaraj Patil <bpatil1@gmail.com>
Subject: Re: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
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Ahmad,
on the spotted point about the TFT, one more opinion inline.

>-----Original Message-----
>From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
>Sent: Montag, 1. Juli 2013 15:15
>To: Marco Liebsch; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Marco,
>
>Seems we are converging.
>Just one follow up:
>
>>[Ahmad:] May be I am missing something here. At the end regardless of
>>the mapping to a single bearer or a tunnel for multiple UEs, you need
>>to enforce the PCC rules at the level of flows. That could be a wild
>>card but if you have a solution that assumes wild card all the time,
>>then you may have a problem. In other words, I believe the TFT is
>>needed to be communicated to the UE and the MAG. If in non-cellular the
>>UE does not need to have the uplink TFT, then please explain this in
>>the draft. In other words, whatever option you want to choose, please men=
tion
>the justification. Thanks.
>>
>
>The spec does not assume wildcarded policies all the time. For some, a per=
-MN
>or per-mobility session wildcard makes sense, i.e. the aggregate of the MN=
 or its
>registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce =
specific
>rules to some flows for prioritization. I do not see a problem with this.
>[Ahmad]
>Good.
>
>I don't think the draft needs to go into implementation specific how to id=
entify
>flows and apply associated rules when there is a TFT and 3GPP-specific
>implementation already on the MN or the LMA respectively.
>
>[Ahmad]
>All what I think is needed is for the proposed mechanism to also include t=
he
>communication of TFT as needed. If you think communicating UL TFT to the U=
E,
>for example, is not needed for Non-cellular network, then please explain w=
hy.

Since we don't have bearers here, we can assume the MAG on the uplink to be=
 the
first entity that applies the associated rules for QoS on the path between =
the MAG and the LMA.
If QoS policies are communicated further towards the access, e.g.  to a WLA=
N controller,
the controller can enforce rules on the downlink and validate packets' QoS =
and priority as
sent be thy MN on the uplink. It depends on the radio technology if the MN =
already classifies
packets to a QoS class. In that case, the MN would need flow and QoS rules =
locally.
Since the spec should neither propose nor go into mechanisms to bring these
rules down to the mobile, I think the limitation to the MAG the and LMA mak=
es sense.
Of course it opts for extending the scope up to the radio access and the mo=
bile, which
is described in the draft. But details are not part of the core specificati=
on. Can you agree?

marco


>
>Thanks again!
>
>
>Best Regards,
>Ahmad
>
>-----Original Message-----
>From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
>Sent: Monday, July 01, 2013 7:59 AM
>To: Ahmad Muhanna; netext@ietf.org
>Cc: Basavaraj Patil
>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>
>Hi Ahmad,
>please see inline.
>
>>-----Original Message-----
>>From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
>>Sent: Dienstag, 25. Juni 2013 16:51
>>To: Marco Liebsch; netext@ietf.org
>>Cc: Basavaraj Patil
>>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>>
>>Hi Marco,
>>Sorry I was out last week.
>>I would like to address your comments as follows. The below is in
>>general and comments to your specific replies.
>>
>>In general, I agree 3GPP standard does not specify a PMIPv6 tunnel that
>>is comparable to a GTP bearer. That's given. However, that is the
>>reason 3GPP specify a different PCC architecture when PMIP is used. In
>>other words, the MAG goes directly to the PCRF over Gxa, for example.
>
>There are different views on how QoS for non-cellular access is treated. T=
he
>approach as per this specification is one solution.
>
>>
>>I believe that allowing a different architecture for PCC to be used
>>over PMIP6 must have one of two options.
>>1. Define the needed extras for PMIP6 to be able to be comparable to
>>GTP bearer and then use PCC as it is being used for GTP and as you are
>>trying to use in your draft, this means you need to describe the
>>scenarios to the level of bearers and NOT MN or Mobility session.
>>However, I must say that this option SHOULD NOT be addressed in IETF
>>and should be handled in 3GPP standardization, for example SA2. I
>>remember in the past there was lots of discussion related to PCC
>>architecture and for PMIP the option was to use out-of- bound mechanism.
>>
>>2. Forget about 3GPP PCC and define your own mechanism for exchanging
>>some QoS parameters without ANY reference to 3GPP. That is possible but
>>I am not sure about the value.
>
>Keeping this specification more general without digging into bearer, GTP a=
nd
>PCC does not conflict with deploying the spec in 3GPP later. That applies =
to
>various previously published RFCs.
>In fact, we had some text about bearers in the first drafts and were asked=
 to
>remove.
>If we write about these specific background technologies, we probably need=
 to
>explain them in the draft, which is not needed IHMO.
>
>
>>
>>Having said the above, please see more responses below.
>>
>>
>>Best Regards,
>>Ahmad
>>
>>-----Original Message-----
>>From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
>>Sent: Monday, June 17, 2013 10:54 AM
>>To: Ahmad Muhanna; netext@ietf.org
>>Cc: Basavaraj Patil
>>Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02
>>
>>Hi Ahmad,
>>
>>thanks a lot for your detailed comments and proposals.
>>Please see inline for feedback.
>>
>>>-----Original Message-----
>>>From: netext-bounces@ietf.org [mailto:netext-bounces@ietf.org] On
>>>Behalf Of Ahmad Muhanna
>>>Sent: Sonntag, 2. Juni 2013 21:21
>>>To: netext@ietf.org
>>>Cc: Basavaraj Patil
>>>Subject: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
>>>
>>>Hi Raj and authors,
>>>
>>>I have reviewed this draft and I have the below comments.
>>>
>>>General Comment:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>I have found it difficult to follow this document differentiation
>>>between IP session, IP flows, Mobility Session with respect to QoS.
>>>Since this document reference 3GPP specification for the purpose of
>>>QoS, we realize that QoS (in
>>>3GPP) is enforced at the level of a bearer. Thus, when we talk about
>>>IP session, is that a single bearer or all types of traffic/flows is
>>>carried over this IP
>>session.
>>>May be the question is: what is the equivalent of a bearer in PMIPv6?
>>>Then we should make sure that we use that definition when referring to
>>>QoS enforcement.
>>
>>I would not try to map the bearer concept, which applies to cellular
>>networks, to IP tunneling as used by PMIP. A PMIP tunnel is shared even
>>by multiple users, whereas the bearer is established per MN and per
>>QoS. I'd rather add more text about how QoS differentiation should be
>>enabled on a PMIP tunnel. In current cellular systems, mapping of flows
>>to a per MN and per-QoS bearer is performed on the downlink after the
>>termination of the PMIP tunnel, i.e. at the MAG. So, no bearer assumed
>>on PMIP even in cellular networks. Scope of the spec is to enable QoS
>>differentiation by means of DSCPs on the PMIP tunnel and opt for mapping =
of
>QoS rules to non-cellular access technology specific QoS.
>>
>>[Ahmad:]
>>[Ahmad:] Please see my comments above.
>>
>>
>>>
>>>After reading on, section 4.1., mentions that the QoS is applied at
>>>three different levels, IP flow, Mobility Session, or per MN.
>>>May be it is a good idea to have this mentioned upfront in the
>>>introduction section in order to set the stage correctly. In addition
>>>somehow, this document needs to provide the detailed logic to
>>>differentiate
>>between the three cases.
>>
>>Fully agree to that point and we addressed past comments on this mainly
>>in the message format description. The general parts, such as the
>>Intro, lack in clear text, which we'll add in the updated version. Thanks=
 again
>for the hint.
>>[Ahmad:] Thank you.
>>
>>
>>>
>>>
>>>Editorial:
>>>Comment No. 1:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>      (a) Maintenance of QoS classification during a handover between
>>>      cellular radio access and WLAN access by means of establishing QoS
>>>      policies in the handover target access network,
>>>
>>>[Ahmad]
>>>     (a) Maintaining QoS classification ....
>>
>>Ok.
>>
>>
>>>
>>>Comment No. 2:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>   This document specifies an extension to the PMIPv6 protocol, which
>>>   enables the transport of established QoS descriptions between an LMA
>>>   and the MAG by means of a QoS container option in case the QoS policy
>>>   in the WLAN access is not under explicit control of a policy control
>>>   system.
>>>
>>>[Ahmad]
>>>It is not clear what you are trying to say in here. I am thinking the
>>>authors intention is to say that in case there is no out of bound
>>>policy control mechanism, this document specifies an inbound mechanism
>>>using an extension to the PMIPv6 protocol. May be this can be
>>>rephrased to capture the mentioned meaning.
>>
>>Agreed. How about that (omitting the pointer to the policy control system=
):
>>This document specifies an extension to the PMIPv6 protocol to
>>establish QoS policies for an MN's data traffic on the LMA and the MAG.
>>QoS policies are conveyed in-band with
>>PMIPv6 signaling using the specified QoS option and are enforced on the
>>LMA for downlink traffic and on the MAG for uplink traffic.
>>[Ahmad:]
>>I think that may be an option as I listed above. However, you need to
>>present this document as a mechanism for exchanging some QoS parameters
>>that you need to define in this document or reference other IETF
>>documents because you no longer is able to reference any 3GPP
>>documents. In that case, please make sure that the document is
>>consistent across the board and I believe the new/updated document needs
>further fresh reviews.
>>
>
>Ok.
>
>
>>
>>>
>>>Comment No. 3:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>   The specified option allows association between IP session
>>>   keys, such as a Differentiated Services Code Point (DSCP), and the
>>>   expected QoS class for this IP session.
>>>
>>>[Ahmad]
>>>I have a problem with the word "keys", maybe we can say IP session
>>>classification parameters,
>>>
>>
>>I think your proposal is good. We'll adopt it.
>>
>>
>>>
>>>
>>>Comment No. 4:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>   The MN is first connected to the LTE network and having a multimedia
>>>   session such as a video call with appropriate QoS parameters set by
>>>   the policy control function.
>>>
>>>[Ahmad]
>>>All of a sudden introduced LTE network, maybe we can rephrase this as
>follows:
>>>
>>>   The MN is first connected to the cellular network, e.g., LTE
>>>network, and having a multimedia ......
>>
>>Good point.
>>
>>>
>>>Comment No. 5:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>3.3.  Use Case B -- Establishment of new QoS Context in non-3G Access
>>>
>>>[Ahmad]
>>>I guess the intention to say non-3GPP ?
>>
>>Yes. Even better: '..non-cellular Access'. Ok with you?
>>[Ahmad:] Yes. If you agree to not reference 3GPP standardization, this
>>comes natural. Thanks!
>>
>
>Ok.
>
>>>
>>>
>>>Comment No. 6:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>3.5.  Relevant QoS Attributes
>>>
>>>[Ahmad]
>>>Although, TFT is not considered a QoS parameter, but it is quite
>>>important. I did not see the UL TFT is mentioned anywhere. Is it
>>>handled
>>outside this document?
>>>If it is, we need to mention that because it tightly coupled with the
>>>enforcement of the QoS.
>>
>>The TFT is a cellular-specific concept, better a collection of filter
>>and mapping rules, that holds flow information and allow mapping of
>>each flow to a bearer in the cellular network. The downlink TFT applies
>>to the MAG in the cellular network which use PMIP, the uplink TFT (do
>>you refer only to this one?) applies to the MN. I consider functions of
>>the TFT on both sides out of scope of this document's focus, as it's rela=
ted to
>bearer mapping.
>>
>>[Ahmad:] May be I am missing something here. At the end regardless of
>>the mapping to a single bearer or a tunnel for multiple UEs, you need
>>to enforce the PCC rules at the level of flows. That could be a wild
>>card but if you have a solution that assumes wild card all the time,
>>then you may have a problem. In other words, I believe the TFT is
>>needed to be communicated to the UE and the MAG. If in non-cellular the
>>UE does not need to have the uplink TFT, then please explain this in
>>the draft. In other words, whatever option you want to choose, please men=
tion
>the justification. Thanks.
>>
>
>The spec does not assume wildcarded policies all the time. For some, a per=
-MN
>or per-mobility session wildcard makes sense, i.e. the aggregate of the MN=
 or its
>registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce =
specific
>rules to some flows for prioritization. I do not see a problem with this.
>
>I don't think the draft needs to go into implementation specific how to id=
entify
>flows and apply associated rules when there is a TFT and 3GPP-specific
>implementation already on the MN or the LMA respectively.
>
>>
>>Also I do not think the spec needs to classify it explicitly as out of sc=
ope.
>>Implementations may re-use the TFT data structures to hold and maintain
>>QoS information for non-cellular access, but I'd hesitate entering that
>>level and the need to introduce a TFT term, which also needs to be descri=
bed
>then.
>>Other opinions?
>>[Ahmad:] Well, then we disagree. That communication of QoS parameters
>>is useless if you do not know how to enforce it. Whenever, people talks
>>about PCC, they automatically thinks of the enforcement and you need to
>>address it. Either referencing other IETF documents or give justification=
 for why
>it is not needed.
>>
>
>Do you propose to describe the conceptual datastructures that hold the rec=
eived
>policies? Then, do you also propose to add some text about 'flow identific=
ation
>and rules enforcement' ?
>
>
>>
>>>
>>>After reading on, there is Traffic Selector Attribute (section 4.1,
>>>etc). However, the following text is a little misleading and gives the
>>>impression as the additional attributes are out of scope.
>>>
>>>   For some optional QoS attributes the signaling can differentiate
>>>   enforcement per mobility session and per IP flow.  Additional
>>>   attributes can be appended to the QoS option, but their definition
>>>   and specification is out of scope of this document and left to their
>>>   actual deployment.
>>>
>>>I think the above text can be modified to clearly reference Traffic Sele=
ctor.
>>
>>Not sure I got your point correctly. The specification of additional
>>QoS attributes and the associated options' format is out of scope of
>>this specification, but may be relevant for a particular deployment.
>>Means, the specified mechanisms can be used to convey more options, e.g.
>ones that are defined by other SDOs.
>>[Ahmad:] That should be fine.
>
>
>Ok
>
>>
>>About the Traffic Selector, what else than a reference to RFC6088 would
>>you like to see in the draft?
>>[Ahmad:] That should suffice to eliminate the possible misunderstanding
>>of the text above.
>
>
>Ok
>
>>
>>>
>>>
>>>Technical Comments:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>
>>>Comment No. 1:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>Under section 4.2 " Local Mobility Anchor Considerations" , it says
>>>the
>>following:
>>>
>>>   The flow selectors and the parameters for flow treatment MUST be
>>>   included in the option only if QoS policy is expected to apply at the
>>>   flow level.
>>>
>>>On the other hand, under section 5, "Quality of Service Option", it
>>>says the DSCP value to be used for the flow:
>>>
>>>   o  DSCP: An 6-bit unsigned integer indicating the code point value,
>>>      as defined in [RFC2475] to be used for the flow.
>>>
>>>[Ahmad]
>>>It is not clear to me how this will work out. If the DSCP is a fixed
>>>field in the QoS option, then how this will work to allow having
>>>different flows with different DSCP(s). Let me try to explain where I
>>>am lost! :-)
>>>
>>>If the mobility session was established for default kind of traffic
>>>and the QoS DSCP was communicated for a QCI of 9 (DSCP1) for example.
>>>Then at a later time, the MN establishes some application session
>>>(flow) with QCI 1 and the returned QoS has a DSCP (DSCP2) in the fixed
>>>field and probably a Traffic Selector since it is a per single flow.
>>>
>>>Now: when the MAG receives the new PBA, is DSCP2 for this flow only
>>>and the old DSCP1 for every other traffic? How that should work in
>>>relation with the above DSCP field definition?
>>
>>Per-flow policies overrule default policies. I hope this is only a
>>clarification issue in the draft, or do you see an inconsistency and tech=
nical
>issue here?
>>[Ahmad:]
>>As I said earlier, please remember you are defining a new mechanism for
>>using 3GPP PCC architecture that is NOT defined by 3GPP. May be if you
>>agree on the previous comments above, then this point will automatically =
be
>addressed.
>>
>
>We'll try to clarify this in the revision.
>
>
>>>
>>>
>>>Comment No. 2:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>Under section 6, the Guaranteed Downlink Bit Rate is missing.
>>
>>Only in the listed attributes, not in the specification (Sec. 6.6 and 6.7=
).
>>Thanks for the catch!
>>
>>>
>>>
>>>
>>>Comment No. 3:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>Under section 6.8, "Traffic Selector", it says the following:
>>>
>>>   MUST be included if QoS parameters (Options according to Section 6.5
>>>   to Section 6.7) are expected to apply at the flow level
>>>
>>>[Ahmad]
>>>Why did you single out these two sections only?
>>
>>Because the use of per-flow rules made sense here, whereas the
>>per-Mobility Session attributes should represent an aggregated view
>>taking all flows of the mobility session into account.
>>[Ahmad:]
>>May be the new approach (if you agree on the above comments) will
>>address this too.
>
>Also here, we'll try to clarify this in the revision.
>
>Thanks,
>marco
>
>>
>>>For example, section 6.5, says the following:
>>>
>>>"
>>>6.5.  Allocation and Retention Priority
>>>
>>>   .......
>>>   If the attribute is expected to apply at the flow level, the
>>>   traffic selector (Section 6.8) MUST be included in the QoS option.
>>>"
>>>
>>>I suggest modifying the text as follows:
>>>
>>>   MUST be included when QoS is expected to be applied at the flow level=
.
>>
>>Ok.
>>
>>>
>>>
>>>Comment No. 4:
>>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>>Since the Guaranteed Downlink Bit Rate is missing, please recheck the
>>>assigned type values and their order in section 6 and the following
>>>subsections. Also, please update the IANA section accordingly.
>>
>>Ok.
>>
>>Thanks again for your detailed comments and suggestions.
>>
>>Marco
>>[Ahmad:]
>>Thanks Marco!
>>
>>>
>>>
>>>Regards,
>>>Ahmad
>>>
>>>
>>>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>+
>>+
>>>+++++++++++++++++++++
>>>From: Basavaraj Patil [mailto:bpatil1@gmail.com]
>>>Sent: Tuesday, May 14, 2013 4:37 PM
>>>To: Ahmad Muhanna
>>>Cc: netext@ietf.org
>>>Subject: Request for review of I-D: draft-ietf-netext-pmip6-qos-02
>>>
>>>
>>>Hi Ahmad,
>>>
>>>We would appreciate it if you can review the I-D:=A0uality of Service
>>>Option for Proxy Mobile IPv6 <draft-ietf-netext-pmip6-qos-02.txt>.
>>>
>>>Please post your review comments directly to the list. If you can
>>>complete the review within the next 2 weeks, that would be much
>appreciated.
>>>
>>>Thank you.
>>>
>>>-Chairs
>>>
>>>--
>>>Basavaraj Patil
>>>_______________________________________________
>>>netext mailing list
>>>netext@ietf.org
>>>https://www.ietf.org/mailman/listinfo/netext

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From: Ahmad Muhanna <amuhanna@awardsolutions.com>
To: Marco Liebsch <Marco.Liebsch@neclab.eu>
Thread-Topic: Review Comments on: draft-ietf-netext-pmip6-qos-02
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Subject: Re: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02
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Hi Marco,
I assume that you propose such text to be included as justification in the =
draft. If that the case, it sounds good to me.

Thanks again!

Regards,
Ahmad

Sent from my mobile device.

On Jul 1, 2013, at 9:17 AM, "Marco Liebsch" <Marco.Liebsch@neclab.eu<mailto=
:Marco.Liebsch@neclab.eu>> wrote:

Ahmad,
on the spotted point about the TFT, one more opinion inline.

-----Original Message-----
From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
Sent: Montag, 1. Juli 2013 15:15
To: Marco Liebsch; netext@ietf.org<mailto:netext@ietf.org>
Cc: Basavaraj Patil
Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Marco,

Seems we are converging.
Just one follow up:

[Ahmad:] May be I am missing something here. At the end regardless of
the mapping to a single bearer or a tunnel for multiple UEs, you need
to enforce the PCC rules at the level of flows. That could be a wild
card but if you have a solution that assumes wild card all the time,
then you may have a problem. In other words, I believe the TFT is
needed to be communicated to the UE and the MAG. If in non-cellular the
UE does not need to have the uplink TFT, then please explain this in
the draft. In other words, whatever option you want to choose, please menti=
on
the justification. Thanks.


The spec does not assume wildcarded policies all the time. For some, a per-=
MN
or per-mobility session wildcard makes sense, i.e. the aggregate of the MN =
or its
registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce s=
pecific
rules to some flows for prioritization. I do not see a problem with this.
[Ahmad]
Good.

I don't think the draft needs to go into implementation specific how to ide=
ntify
flows and apply associated rules when there is a TFT and 3GPP-specific
implementation already on the MN or the LMA respectively.

[Ahmad]
All what I think is needed is for the proposed mechanism to also include th=
e
communication of TFT as needed. If you think communicating UL TFT to the UE=
,
for example, is not needed for Non-cellular network, then please explain wh=
y.

Since we don't have bearers here, we can assume the MAG on the uplink to be=
 the
first entity that applies the associated rules for QoS on the path between =
the MAG and the LMA.
If QoS policies are communicated further towards the access, e.g.  to a WLA=
N controller,
the controller can enforce rules on the downlink and validate packets' QoS =
and priority as
sent be thy MN on the uplink. It depends on the radio technology if the MN =
already classifies
packets to a QoS class. In that case, the MN would need flow and QoS rules =
locally.
Since the spec should neither propose nor go into mechanisms to bring these
rules down to the mobile, I think the limitation to the MAG the and LMA mak=
es sense.
Of course it opts for extending the scope up to the radio access and the mo=
bile, which
is described in the draft. But details are not part of the core specificati=
on. Can you agree?

marco



Thanks again!


Best Regards,
Ahmad

-----Original Message-----
From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
Sent: Monday, July 01, 2013 7:59 AM
To: Ahmad Muhanna; netext@ietf.org<mailto:netext@ietf.org>
Cc: Basavaraj Patil
Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Ahmad,
please see inline.

-----Original Message-----
From: Ahmad Muhanna [mailto:amuhanna@awardsolutions.com]
Sent: Dienstag, 25. Juni 2013 16:51
To: Marco Liebsch; netext@ietf.org<mailto:netext@ietf.org>
Cc: Basavaraj Patil
Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Marco,
Sorry I was out last week.
I would like to address your comments as follows. The below is in
general and comments to your specific replies.

In general, I agree 3GPP standard does not specify a PMIPv6 tunnel that
is comparable to a GTP bearer. That's given. However, that is the
reason 3GPP specify a different PCC architecture when PMIP is used. In
other words, the MAG goes directly to the PCRF over Gxa, for example.

There are different views on how QoS for non-cellular access is treated. Th=
e
approach as per this specification is one solution.


I believe that allowing a different architecture for PCC to be used
over PMIP6 must have one of two options.
1. Define the needed extras for PMIP6 to be able to be comparable to
GTP bearer and then use PCC as it is being used for GTP and as you are
trying to use in your draft, this means you need to describe the
scenarios to the level of bearers and NOT MN or Mobility session.
However, I must say that this option SHOULD NOT be addressed in IETF
and should be handled in 3GPP standardization, for example SA2. I
remember in the past there was lots of discussion related to PCC
architecture and for PMIP the option was to use out-of- bound mechanism.

2. Forget about 3GPP PCC and define your own mechanism for exchanging
some QoS parameters without ANY reference to 3GPP. That is possible but
I am not sure about the value.

Keeping this specification more general without digging into bearer, GTP an=
d
PCC does not conflict with deploying the spec in 3GPP later. That applies t=
o
various previously published RFCs.
In fact, we had some text about bearers in the first drafts and were asked =
to
remove.
If we write about these specific background technologies, we probably need =
to
explain them in the draft, which is not needed IHMO.



Having said the above, please see more responses below.


Best Regards,
Ahmad

-----Original Message-----
From: Marco Liebsch [mailto:Marco.Liebsch@neclab.eu]
Sent: Monday, June 17, 2013 10:54 AM
To: Ahmad Muhanna; netext@ietf.org<mailto:netext@ietf.org>
Cc: Basavaraj Patil
Subject: RE: Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Ahmad,

thanks a lot for your detailed comments and proposals.
Please see inline for feedback.

-----Original Message-----
From: netext-bounces@ietf.org<mailto:netext-bounces@ietf.org> [mailto:netex=
t-bounces@ietf.org] On
Behalf Of Ahmad Muhanna
Sent: Sonntag, 2. Juni 2013 21:21
To: netext@ietf.org<mailto:netext@ietf.org>
Cc: Basavaraj Patil
Subject: [netext] Review Comments on: draft-ietf-netext-pmip6-qos-02

Hi Raj and authors,

I have reviewed this draft and I have the below comments.

General Comment:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
I have found it difficult to follow this document differentiation
between IP session, IP flows, Mobility Session with respect to QoS.
Since this document reference 3GPP specification for the purpose of
QoS, we realize that QoS (in
3GPP) is enforced at the level of a bearer. Thus, when we talk about
IP session, is that a single bearer or all types of traffic/flows is
carried over this IP
session.
May be the question is: what is the equivalent of a bearer in PMIPv6?
Then we should make sure that we use that definition when referring to
QoS enforcement.

I would not try to map the bearer concept, which applies to cellular
networks, to IP tunneling as used by PMIP. A PMIP tunnel is shared even
by multiple users, whereas the bearer is established per MN and per
QoS. I'd rather add more text about how QoS differentiation should be
enabled on a PMIP tunnel. In current cellular systems, mapping of flows
to a per MN and per-QoS bearer is performed on the downlink after the
termination of the PMIP tunnel, i.e. at the MAG. So, no bearer assumed
on PMIP even in cellular networks. Scope of the spec is to enable QoS
differentiation by means of DSCPs on the PMIP tunnel and opt for mapping of
QoS rules to non-cellular access technology specific QoS.

[Ahmad:]
[Ahmad:] Please see my comments above.



After reading on, section 4.1., mentions that the QoS is applied at
three different levels, IP flow, Mobility Session, or per MN.
May be it is a good idea to have this mentioned upfront in the
introduction section in order to set the stage correctly. In addition
somehow, this document needs to provide the detailed logic to
differentiate
between the three cases.

Fully agree to that point and we addressed past comments on this mainly
in the message format description. The general parts, such as the
Intro, lack in clear text, which we'll add in the updated version. Thanks a=
gain
for the hint.
[Ahmad:] Thank you.




Editorial:
Comment No. 1:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
    (a) Maintenance of QoS classification during a handover between
    cellular radio access and WLAN access by means of establishing QoS
    policies in the handover target access network,

[Ahmad]
   (a) Maintaining QoS classification ....

Ok.



Comment No. 2:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 This document specifies an extension to the PMIPv6 protocol, which
 enables the transport of established QoS descriptions between an LMA
 and the MAG by means of a QoS container option in case the QoS policy
 in the WLAN access is not under explicit control of a policy control
 system.

[Ahmad]
It is not clear what you are trying to say in here. I am thinking the
authors intention is to say that in case there is no out of bound
policy control mechanism, this document specifies an inbound mechanism
using an extension to the PMIPv6 protocol. May be this can be
rephrased to capture the mentioned meaning.

Agreed. How about that (omitting the pointer to the policy control system):
This document specifies an extension to the PMIPv6 protocol to
establish QoS policies for an MN's data traffic on the LMA and the MAG.
QoS policies are conveyed in-band with
PMIPv6 signaling using the specified QoS option and are enforced on the
LMA for downlink traffic and on the MAG for uplink traffic.
[Ahmad:]
I think that may be an option as I listed above. However, you need to
present this document as a mechanism for exchanging some QoS parameters
that you need to define in this document or reference other IETF
documents because you no longer is able to reference any 3GPP
documents. In that case, please make sure that the document is
consistent across the board and I believe the new/updated document needs
further fresh reviews.


Ok.




Comment No. 3:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 The specified option allows association between IP session
 keys, such as a Differentiated Services Code Point (DSCP), and the
 expected QoS class for this IP session.

[Ahmad]
I have a problem with the word "keys", maybe we can say IP session
classification parameters,


I think your proposal is good. We'll adopt it.




Comment No. 4:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 The MN is first connected to the LTE network and having a multimedia
 session such as a video call with appropriate QoS parameters set by
 the policy control function.

[Ahmad]
All of a sudden introduced LTE network, maybe we can rephrase this as
follows:

 The MN is first connected to the cellular network, e.g., LTE
network, and having a multimedia ......

Good point.


Comment No. 5:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3.3.  Use Case B -- Establishment of new QoS Context in non-3G Access

[Ahmad]
I guess the intention to say non-3GPP ?

Yes. Even better: '..non-cellular Access'. Ok with you?
[Ahmad:] Yes. If you agree to not reference 3GPP standardization, this
comes natural. Thanks!


Ok.



Comment No. 6:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
3.5.  Relevant QoS Attributes

[Ahmad]
Although, TFT is not considered a QoS parameter, but it is quite
important. I did not see the UL TFT is mentioned anywhere. Is it
handled
outside this document?
If it is, we need to mention that because it tightly coupled with the
enforcement of the QoS.

The TFT is a cellular-specific concept, better a collection of filter
and mapping rules, that holds flow information and allow mapping of
each flow to a bearer in the cellular network. The downlink TFT applies
to the MAG in the cellular network which use PMIP, the uplink TFT (do
you refer only to this one?) applies to the MN. I consider functions of
the TFT on both sides out of scope of this document's focus, as it's relate=
d to
bearer mapping.

[Ahmad:] May be I am missing something here. At the end regardless of
the mapping to a single bearer or a tunnel for multiple UEs, you need
to enforce the PCC rules at the level of flows. That could be a wild
card but if you have a solution that assumes wild card all the time,
then you may have a problem. In other words, I believe the TFT is
needed to be communicated to the UE and the MAG. If in non-cellular the
UE does not need to have the uplink TFT, then please explain this in
the draft. In other words, whatever option you want to choose, please menti=
on
the justification. Thanks.


The spec does not assume wildcarded policies all the time. For some, a per-=
MN
or per-mobility session wildcard makes sense, i.e. the aggregate of the MN =
or its
registration.
>From that 'all-flows-of-this-MN' group, the per-flow policies can enforce s=
pecific
rules to some flows for prioritization. I do not see a problem with this.

I don't think the draft needs to go into implementation specific how to ide=
ntify
flows and apply associated rules when there is a TFT and 3GPP-specific
implementation already on the MN or the LMA respectively.


Also I do not think the spec needs to classify it explicitly as out of scop=
e.
Implementations may re-use the TFT data structures to hold and maintain
QoS information for non-cellular access, but I'd hesitate entering that
level and the need to introduce a TFT term, which also needs to be describe=
d
then.
Other opinions?
[Ahmad:] Well, then we disagree. That communication of QoS parameters
is useless if you do not know how to enforce it. Whenever, people talks
about PCC, they automatically thinks of the enforcement and you need to
address it. Either referencing other IETF documents or give justification f=
or why
it is not needed.


Do you propose to describe the conceptual datastructures that hold the rece=
ived
policies? Then, do you also propose to add some text about 'flow identifica=
tion
and rules enforcement' ?




After reading on, there is Traffic Selector Attribute (section 4.1,
etc). However, the following text is a little misleading and gives the
impression as the additional attributes are out of scope.

 For some optional QoS attributes the signaling can differentiate
 enforcement per mobility session and per IP flow.  Additional
 attributes can be appended to the QoS option, but their definition
 and specification is out of scope of this document and left to their
 actual deployment.

I think the above text can be modified to clearly reference Traffic Selecto=
r.

Not sure I got your point correctly. The specification of additional
QoS attributes and the associated options' format is out of scope of
this specification, but may be relevant for a particular deployment.
Means, the specified mechanisms can be used to convey more options, e.g.
ones that are defined by other SDOs.
[Ahmad:] That should be fine.


Ok


About the Traffic Selector, what else than a reference to RFC6088 would
you like to see in the draft?
[Ahmad:] That should suffice to eliminate the possible misunderstanding
of the text above.


Ok




Technical Comments:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Comment No. 1:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Under section 4.2 " Local Mobility Anchor Considerations" , it says
the
following:

 The flow selectors and the parameters for flow treatment MUST be
 included in the option only if QoS policy is expected to apply at the
 flow level.

On the other hand, under section 5, "Quality of Service Option", it
says the DSCP value to be used for the flow:

 o  DSCP: An 6-bit unsigned integer indicating the code point value,
    as defined in [RFC2475] to be used for the flow.

[Ahmad]
It is not clear to me how this will work out. If the DSCP is a fixed
field in the QoS option, then how this will work to allow having
different flows with different DSCP(s). Let me try to explain where I
am lost! :-)

If the mobility session was established for default kind of traffic
and the QoS DSCP was communicated for a QCI of 9 (DSCP1) for example.
Then at a later time, the MN establishes some application session
(flow) with QCI 1 and the returned QoS has a DSCP (DSCP2) in the fixed
field and probably a Traffic Selector since it is a per single flow.

Now: when the MAG receives the new PBA, is DSCP2 for this flow only
and the old DSCP1 for every other traffic? How that should work in
relation with the above DSCP field definition?

Per-flow policies overrule default policies. I hope this is only a
clarification issue in the draft, or do you see an inconsistency and techni=
cal
issue here?
[Ahmad:]
As I said earlier, please remember you are defining a new mechanism for
using 3GPP PCC architecture that is NOT defined by 3GPP. May be if you
agree on the previous comments above, then this point will automatically be
addressed.


We'll try to clarify this in the revision.




Comment No. 2:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Under section 6, the Guaranteed Downlink Bit Rate is missing.

Only in the listed attributes, not in the specification (Sec. 6.6 and 6.7).
Thanks for the catch!




Comment No. 3:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Under section 6.8, "Traffic Selector", it says the following:

 MUST be included if QoS parameters (Options according to Section 6.5
 to Section 6.7) are expected to apply at the flow level

[Ahmad]
Why did you single out these two sections only?

Because the use of per-flow rules made sense here, whereas the
per-Mobility Session attributes should represent an aggregated view
taking all flows of the mobility session into account.
[Ahmad:]
May be the new approach (if you agree on the above comments) will
address this too.

Also here, we'll try to clarify this in the revision.

Thanks,
marco


For example, section 6.5, says the following:

"
6.5.  Allocation and Retention Priority

 .......
 If the attribute is expected to apply at the flow level, the
 traffic selector (Section 6.8) MUST be included in the QoS option.
"

I suggest modifying the text as follows:

 MUST be included when QoS is expected to be applied at the flow level.

Ok.



Comment No. 4:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Since the Guaranteed Downlink Bit Rate is missing, please recheck the
assigned type values and their order in section 6 and the following
subsections. Also, please update the IANA section accordingly.

Ok.

Thanks again for your detailed comments and suggestions.

Marco
[Ahmad:]
Thanks Marco!



Regards,
Ahmad


+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+
+++++++++++++++++++++
From: Basavaraj Patil [mailto:bpatil1@gmail.com]
Sent: Tuesday, May 14, 2013 4:37 PM
To: Ahmad Muhanna
Cc: netext@ietf.org<mailto:netext@ietf.org>
Subject: Request for review of I-D: draft-ietf-netext-pmip6-qos-02


Hi Ahmad,

We would appreciate it if you can review the I-D: uality of Service
Option for Proxy Mobile IPv6 <draft-ietf-netext-pmip6-qos-02.txt>.

Please post your review comments directly to the list. If you can
complete the review within the next 2 weeks, that would be much
appreciated.

Thank you.

-Chairs

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

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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body dir=3D"auto">
<div>Hi Marco,</div>
<div>I assume that you propose such text to be included as justification in=
 the draft. If that the case, it sounds good to me.</div>
<div><br>
</div>
<div>Thanks again!<br>
<br>
Regards,
<div>Ahmad</div>
<div><i><br>
</i></div>
<div><i>Sent from my mobile device.</i></div>
</div>
<div><br>
On Jul 1, 2013, at 9:17 AM, &quot;Marco Liebsch&quot; &lt;<a href=3D"mailto=
:Marco.Liebsch@neclab.eu">Marco.Liebsch@neclab.eu</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div><span>Ahmad,</span><br>
<span>on the spotted point about the TFT, one more opinion inline.</span><b=
r>
<span></span><br>
<blockquote type=3D"cite"><span>-----Original Message-----</span><br>
</blockquote>
<blockquote type=3D"cite"><span>From: Ahmad Muhanna [<a href=3D"mailto:amuh=
anna@awardsolutions.com">mailto:amuhanna@awardsolutions.com</a>]</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Sent: Montag, 1. Juli 2013 15:15</span><br>
</blockquote>
<blockquote type=3D"cite"><span>To: Marco Liebsch; <a href=3D"mailto:netext=
@ietf.org">
netext@ietf.org</a></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Cc: Basavaraj Patil</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Subject: RE: Review Comments on: draft-ietf=
-netext-pmip6-qos-02</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Hi Marco,</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Seems we are converging.</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Just one follow up:</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] May be I am missing something here=
. At the end regardless of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the mapping to a single bearer or a tunnel =
for multiple UEs, you need</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>to enforce the PCC rules at the level of fl=
ows. That could be a wild</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>card but if you have a solution that assume=
s wild card all the time,</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>then you may have a problem. In other words=
, I believe the TFT is</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>needed to be communicated to the UE and the=
 MAG. If in non-cellular the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>UE does not need to have the uplink TFT, th=
en please explain this in</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the draft. In other words, whatever option =
you want to choose, please mention</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>the justification. Thanks.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>The spec does not assume wildcarded policie=
s all the time. For some, a per-MN</span><br>
</blockquote>
<blockquote type=3D"cite"><span>or per-mobility session wildcard makes sens=
e, i.e. the aggregate of the MN or its</span><br>
</blockquote>
<blockquote type=3D"cite"><span>registration.</span><br>
</blockquote>
<blockquote type=3D"cite"><span>From that 'all-flows-of-this-MN' group, the=
 per-flow policies can enforce specific</span><br>
</blockquote>
<blockquote type=3D"cite"><span>rules to some flows for prioritization. I d=
o not see a problem with this.</span><br>
</blockquote>
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Good.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>I don't think the draft needs to go into im=
plementation specific how to identify</span><br>
</blockquote>
<blockquote type=3D"cite"><span>flows and apply associated rules when there=
 is a TFT and 3GPP-specific</span><br>
</blockquote>
<blockquote type=3D"cite"><span>implementation already on the MN or the LMA=
 respectively.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
<blockquote type=3D"cite"><span>All what I think is needed is for the propo=
sed mechanism to also include the</span><br>
</blockquote>
<blockquote type=3D"cite"><span>communication of TFT as needed. If you thin=
k communicating UL TFT to the UE,</span><br>
</blockquote>
<blockquote type=3D"cite"><span>for example, is not needed for Non-cellular=
 network, then please explain why.</span><br>
</blockquote>
<span></span><br>
<span>Since we don't have bearers here, we can assume the MAG on the uplink=
 to be the</span><br>
<span>first entity that applies the associated rules for QoS on the path be=
tween the MAG and the LMA.</span><br>
<span>If QoS policies are communicated further towards the access, e.g. &nb=
sp;to a WLAN controller,</span><br>
<span>the controller can enforce rules on the downlink and validate packets=
' QoS and priority as</span><br>
<span>sent be thy MN on the uplink. It depends on the radio technology if t=
he MN already classifies</span><br>
<span>packets to a QoS class. In that case, the MN would need flow and QoS =
rules locally.</span><br>
<span>Since the spec should neither propose nor go into mechanisms to bring=
 these</span><br>
<span>rules down to the mobile, I think the limitation to the MAG the and L=
MA makes sense.</span><br>
<span>Of course it opts for extending the scope up to the radio access and =
the mobile, which</span><br>
<span>is described in the draft. But details are not part of the core speci=
fication. Can you agree?</span><br>
<span></span><br>
<span>marco</span><br>
<span></span><br>
<span></span><br>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Thanks again!</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Best Regards,</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Ahmad</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>-----Original Message-----</span><br>
</blockquote>
<blockquote type=3D"cite"><span>From: Marco Liebsch [<a href=3D"mailto:Marc=
o.Liebsch@neclab.eu">mailto:Marco.Liebsch@neclab.eu</a>]</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Sent: Monday, July 01, 2013 7:59 AM</span><=
br>
</blockquote>
<blockquote type=3D"cite"><span>To: Ahmad Muhanna; <a href=3D"mailto:netext=
@ietf.org">
netext@ietf.org</a></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Cc: Basavaraj Patil</span><br>
</blockquote>
<blockquote type=3D"cite"><span>Subject: RE: Review Comments on: draft-ietf=
-netext-pmip6-qos-02</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Hi Ahmad,</span><br>
</blockquote>
<blockquote type=3D"cite"><span>please see inline.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>-----Original Message-----</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>From: Ahmad Muhanna [<a href=3D"mailto:amuh=
anna@awardsolutions.com">mailto:amuhanna@awardsolutions.com</a>]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Sent: Dienstag, 25. Juni 2013 16:51</span><=
br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>To: Marco Liebsch; <a href=3D"mailto:netext=
@ietf.org">
netext@ietf.org</a></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Cc: Basavaraj Patil</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Subject: RE: Review Comments on: draft-ietf=
-netext-pmip6-qos-02</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Hi Marco,</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Sorry I was out last week.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I would like to address your comments as fo=
llows. The below is in</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>general and comments to your specific repli=
es.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>In general, I agree 3GPP standard does not =
specify a PMIPv6 tunnel that</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>is comparable to a GTP bearer. That's given=
. However, that is the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>reason 3GPP specify a different PCC archite=
cture when PMIP is used. In</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>other words, the MAG goes directly to the P=
CRF over Gxa, for example.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>There are different views on how QoS for no=
n-cellular access is treated. The</span><br>
</blockquote>
<blockquote type=3D"cite"><span>approach as per this specification is one s=
olution.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I believe that allowing a different archite=
cture for PCC to be used</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>over PMIP6 must have one of two options.</s=
pan><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>1. Define the needed extras for PMIP6 to be=
 able to be comparable to</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>GTP bearer and then use PCC as it is being =
used for GTP and as you are</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>trying to use in your draft, this means you=
 need to describe the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>scenarios to the level of bearers and NOT M=
N or Mobility session.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>However, I must say that this option SHOULD=
 NOT be addressed in IETF</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>and should be handled in 3GPP standardizati=
on, for example SA2. I</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>remember in the past there was lots of disc=
ussion related to PCC</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>architecture and for PMIP the option was to=
 use out-of- bound mechanism.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>2. Forget about 3GPP PCC and define your ow=
n mechanism for exchanging</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>some QoS parameters without ANY reference t=
o 3GPP. That is possible but</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I am not sure about the value.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Keeping this specification more general wit=
hout digging into bearer, GTP and</span><br>
</blockquote>
<blockquote type=3D"cite"><span>PCC does not conflict with deploying the sp=
ec in 3GPP later. That applies to</span><br>
</blockquote>
<blockquote type=3D"cite"><span>various previously published RFCs.</span><b=
r>
</blockquote>
<blockquote type=3D"cite"><span>In fact, we had some text about bearers in =
the first drafts and were asked to</span><br>
</blockquote>
<blockquote type=3D"cite"><span>remove.</span><br>
</blockquote>
<blockquote type=3D"cite"><span>If we write about these specific background=
 technologies, we probably need to</span><br>
</blockquote>
<blockquote type=3D"cite"><span>explain them in the draft, which is not nee=
ded IHMO.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Having said the above, please see more resp=
onses below.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Best Regards,</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Ahmad</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>-----Original Message-----</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>From: Marco Liebsch [<a href=3D"mailto:Marc=
o.Liebsch@neclab.eu">mailto:Marco.Liebsch@neclab.eu</a>]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Sent: Monday, June 17, 2013 10:54 AM</span>=
<br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>To: Ahmad Muhanna; <a href=3D"mailto:netext=
@ietf.org">
netext@ietf.org</a></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Cc: Basavaraj Patil</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Subject: RE: Review Comments on: draft-ietf=
-netext-pmip6-qos-02</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Hi Ahmad,</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>thanks a lot for your detailed comments and=
 proposals.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Please see inline for feedback.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>-----Original Message-----</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>From: <a href=3D"mailto:netext-bounces@ietf=
.org">netext-bounces@ietf.org</a> [<a href=3D"mailto:netext-bounces@ietf.or=
g">mailto:netext-bounces@ietf.org</a>] On</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Behalf Of Ahmad Muhanna</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Sent: Sonntag, 2. Juni 2013 21:21</span><br=
>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>To: <a href=3D"mailto:netext@ietf.org">nete=
xt@ietf.org</a></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Cc: Basavaraj Patil</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Subject: [netext] Review Comments on: draft=
-ietf-netext-pmip6-qos-02</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Hi Raj and authors,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I have reviewed this draft and I have the b=
elow comments.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>General Comment:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I have found it difficult to follow this do=
cument differentiation</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>between IP session, IP flows, Mobility Sess=
ion with respect to QoS.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Since this document reference 3GPP specific=
ation for the purpose of</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS, we realize that QoS (in</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>3GPP) is enforced at the level of a bearer.=
 Thus, when we talk about</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>IP session, is that a single bearer or all =
types of traffic/flows is</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>carried over this IP</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>session.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>May be the question is: what is the equival=
ent of a bearer in PMIPv6?</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Then we should make sure that we use that d=
efinition when referring to</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS enforcement.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I would not try to map the bearer concept, =
which applies to cellular</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>networks, to IP tunneling as used by PMIP. =
A PMIP tunnel is shared even</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>by multiple users, whereas the bearer is es=
tablished per MN and per</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS. I'd rather add more text about how QoS=
 differentiation should be</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>enabled on a PMIP tunnel. In current cellul=
ar systems, mapping of flows</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>to a per MN and per-QoS bearer is performed=
 on the downlink after the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>termination of the PMIP tunnel, i.e. at the=
 MAG. So, no bearer assumed</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>on PMIP even in cellular networks. Scope of=
 the spec is to enable QoS</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>differentiation by means of DSCPs on the PM=
IP tunnel and opt for mapping of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>QoS rules to non-cellular access technology=
 specific QoS.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] Please see my comments above.</spa=
n><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>After reading on, section 4.1., mentions th=
at the QoS is applied at</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>three different levels, IP flow, Mobility S=
ession, or per MN.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>May be it is a good idea to have this menti=
oned upfront in the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>introduction section in order to set the st=
age correctly. In addition</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>somehow, this document needs to provide the=
 detailed logic to</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>differentiate</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>between the three cases.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Fully agree to that point and we addressed =
past comments on this mainly</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>in the message format description. The gene=
ral parts, such as the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Intro, lack in clear text, which we'll add =
in the updated version. Thanks again</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>for the hint.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] Thank you.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Editorial:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 1:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;&nbsp;&nbsp;&nbsp;(a) Maintenance of =
QoS classification during a handover between</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;&nbsp;&nbsp;&nbsp;cellular radio acce=
ss and WLAN access by means of establishing QoS</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;&nbsp;&nbsp;&nbsp;policies in the han=
dover target access network,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;&nbsp;&nbsp;(a) Maintaining QoS class=
ification ....</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Ok.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 2:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;This document specifies an extension =
to the PMIPv6 protocol, which</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;enables the transport of established =
QoS descriptions between an LMA</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;and the MAG by means of a QoS contain=
er option in case the QoS policy</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;in the WLAN access is not under expli=
cit control of a policy control</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;system.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>It is not clear what you are trying to say =
in here. I am thinking the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>authors intention is to say that in case th=
ere is no out of bound</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>policy control mechanism, this document spe=
cifies an inbound mechanism</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>using an extension to the PMIPv6 protocol. =
May be this can be</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>rephrased to capture the mentioned meaning.=
</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Agreed. How about that (omitting the pointe=
r to the policy control system):</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>This document specifies an extension to the=
 PMIPv6 protocol to</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>establish QoS policies for an MN's data tra=
ffic on the LMA and the MAG.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS policies are conveyed in-band with</spa=
n><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>PMIPv6 signaling using the specified QoS op=
tion and are enforced on the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>LMA for downlink traffic and on the MAG for=
 uplink traffic.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I think that may be an option as I listed a=
bove. However, you need to</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>present this document as a mechanism for ex=
changing some QoS parameters</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>that you need to define in this document or=
 reference other IETF</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>documents because you no longer is able to =
reference any 3GPP</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>documents. In that case, please make sure t=
hat the document is</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>consistent across the board and I believe t=
he new/updated document needs</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>further fresh reviews.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Ok.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 3:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;The specified option allows associati=
on between IP session</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;keys, such as a Differentiated Servic=
es Code Point (DSCP), and the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;expected QoS class for this IP sessio=
n.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I have a problem with the word &quot;keys&q=
uot;, maybe we can say IP session</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>classification parameters,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I think your proposal is good. We'll adopt =
it.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 4:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;The MN is first connected to the LTE =
network and having a multimedia</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;session such as a video call with app=
ropriate QoS parameters set by</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;the policy control function.</span><b=
r>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>All of a sudden introduced LTE network, may=
be we can rephrase this as</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>follows:</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;The MN is first connected to the cell=
ular network, e.g., LTE</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>network, and having a multimedia ......</sp=
an><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Good point.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 5:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>3.3. &nbsp;Use Case B -- Establishment of n=
ew QoS Context in non-3G Access</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I guess the intention to say non-3GPP ?</sp=
an><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Yes. Even better: '..non-cellular Access'. =
Ok with you?</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] Yes. If you agree to not reference=
 3GPP standardization, this</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>comes natural. Thanks!</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Ok.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 6:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>3.5. &nbsp;Relevant QoS Attributes</span><b=
r>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Although, TFT is not considered a QoS param=
eter, but it is quite</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>important. I did not see the UL TFT is ment=
ioned anywhere. Is it</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>handled</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>outside this document?</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>If it is, we need to mention that because i=
t tightly coupled with the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>enforcement of the QoS.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>The TFT is a cellular-specific concept, bet=
ter a collection of filter</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>and mapping rules, that holds flow informat=
ion and allow mapping of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>each flow to a bearer in the cellular netwo=
rk. The downlink TFT applies</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>to the MAG in the cellular network which us=
e PMIP, the uplink TFT (do</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>you refer only to this one?) applies to the=
 MN. I consider functions of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the TFT on both sides out of scope of this =
document's focus, as it's related to</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>bearer mapping.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] May be I am missing something here=
. At the end regardless of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the mapping to a single bearer or a tunnel =
for multiple UEs, you need</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>to enforce the PCC rules at the level of fl=
ows. That could be a wild</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>card but if you have a solution that assume=
s wild card all the time,</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>then you may have a problem. In other words=
, I believe the TFT is</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>needed to be communicated to the UE and the=
 MAG. If in non-cellular the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>UE does not need to have the uplink TFT, th=
en please explain this in</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the draft. In other words, whatever option =
you want to choose, please mention</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>the justification. Thanks.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>The spec does not assume wildcarded policie=
s all the time. For some, a per-MN</span><br>
</blockquote>
<blockquote type=3D"cite"><span>or per-mobility session wildcard makes sens=
e, i.e. the aggregate of the MN or its</span><br>
</blockquote>
<blockquote type=3D"cite"><span>registration.</span><br>
</blockquote>
<blockquote type=3D"cite"><span>From that 'all-flows-of-this-MN' group, the=
 per-flow policies can enforce specific</span><br>
</blockquote>
<blockquote type=3D"cite"><span>rules to some flows for prioritization. I d=
o not see a problem with this.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>I don't think the draft needs to go into im=
plementation specific how to identify</span><br>
</blockquote>
<blockquote type=3D"cite"><span>flows and apply associated rules when there=
 is a TFT and 3GPP-specific</span><br>
</blockquote>
<blockquote type=3D"cite"><span>implementation already on the MN or the LMA=
 respectively.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Also I do not think the spec needs to class=
ify it explicitly as out of scope.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Implementations may re-use the TFT data str=
uctures to hold and maintain</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS information for non-cellular access, bu=
t I'd hesitate entering that</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>level and the need to introduce a TFT term,=
 which also needs to be described</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>then.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Other opinions?</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] Well, then we disagree. That commu=
nication of QoS parameters</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>is useless if you do not know how to enforc=
e it. Whenever, people talks</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>about PCC, they automatically thinks of the=
 enforcement and you need to</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>address it. Either referencing other IETF d=
ocuments or give justification for why</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>it is not needed.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Do you propose to describe the conceptual d=
atastructures that hold the received</span><br>
</blockquote>
<blockquote type=3D"cite"><span>policies? Then, do you also propose to add =
some text about 'flow identification</span><br>
</blockquote>
<blockquote type=3D"cite"><span>and rules enforcement' ?</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>After reading on, there is Traffic Selector=
 Attribute (section 4.1,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>etc). However, the following text is a litt=
le misleading and gives the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>impression as the additional attributes are=
 out of scope.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;For some optional QoS attributes the =
signaling can differentiate</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;enforcement per mobility session and =
per IP flow. &nbsp;Additional</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;attributes can be appended to the QoS=
 option, but their definition</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;and specification is out of scope of =
this document and left to their</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;actual deployment.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I think the above text can be modified to c=
learly reference Traffic Selector.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Not sure I got your point correctly. The sp=
ecification of additional</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>QoS attributes and the associated options' =
format is out of scope of</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>this specification, but may be relevant for=
 a particular deployment.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Means, the specified mechanisms can be used=
 to convey more options, e.g.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>ones that are defined by other SDOs.</span>=
<br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] That should be fine.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Ok</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>About the Traffic Selector, what else than =
a reference to RFC6088 would</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>you like to see in the draft?</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:] That should suffice to eliminate t=
he possible misunderstanding</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>of the text above.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Ok</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Technical Comments:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 1:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Under section 4.2 &quot; Local Mobility Anc=
hor Considerations&quot; , it says</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>following:</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;The flow selectors and the parameters=
 for flow treatment MUST be</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;included in the option only if QoS po=
licy is expected to apply at the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;flow level.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>On the other hand, under section 5, &quot;Q=
uality of Service Option&quot;, it</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>says the DSCP value to be used for the flow=
:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;o &nbsp;DSCP: An 6-bit unsigned integ=
er indicating the code point value,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;&nbsp;&nbsp;&nbsp;as defined in [RFC2=
475] to be used for the flow.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>It is not clear to me how this will work ou=
t. If the DSCP is a fixed</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>field in the QoS option, then how this will=
 work to allow having</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>different flows with different DSCP(s). Let=
 me try to explain where I</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>am lost! :-)</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>If the mobility session was established for=
 default kind of traffic</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>and the QoS DSCP was communicated for a QCI=
 of 9 (DSCP1) for example.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Then at a later time, the MN establishes so=
me application session</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>(flow) with QCI 1 and the returned QoS has =
a DSCP (DSCP2) in the fixed</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>field and probably a Traffic Selector since=
 it is a per single flow.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Now: when the MAG receives the new PBA, is =
DSCP2 for this flow only</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>and the old DSCP1 for every other traffic? =
How that should work in</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>relation with the above DSCP field definiti=
on?</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Per-flow policies overrule default policies=
. I hope this is only a</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>clarification issue in the draft, or do you=
 see an inconsistency and technical</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>issue here?</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>As I said earlier, please remember you are =
defining a new mechanism for</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>using 3GPP PCC architecture that is NOT def=
ined by 3GPP. May be if you</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>agree on the previous comments above, then =
this point will automatically be</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>addressed.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>We'll try to clarify this in the revision.<=
/span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 2:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Under section 6, the Guaranteed Downlink Bi=
t Rate is missing.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Only in the listed attributes, not in the s=
pecification (Sec. 6.6 and 6.7).</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Thanks for the catch!</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 3:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Under section 6.8, &quot;Traffic Selector&q=
uot;, it says the following:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;MUST be included if QoS parameters (O=
ptions according to Section 6.5</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;to Section 6.7) are expected to apply=
 at the flow level</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Why did you single out these two sections o=
nly?</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Because the use of per-flow rules made sens=
e here, whereas the</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>per-Mobility Session attributes should repr=
esent an aggregated view</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>taking all flows of the mobility session in=
to account.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>May be the new approach (if you agree on th=
e above comments) will</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>address this too.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Also here, we'll try to clarify this in the=
 revision.</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite"><span>Thanks,</span><br>
</blockquote>
<blockquote type=3D"cite"><span>marco</span><br>
</blockquote>
<blockquote type=3D"cite"><span></span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>For example, section 6.5, says the followin=
g:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&quot;</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>6.5. &nbsp;Allocation and Retention Priorit=
y</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;.......</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;If the attribute is expected to apply=
 at the flow level, the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;traffic selector (Section 6.8) MUST b=
e included in the QoS option.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&quot;</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>I suggest modifying the text as follows:</s=
pan><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&nbsp;MUST be included when QoS is expected=
 to be applied at the flow level.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Ok.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Comment No. 4:</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<=
/span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Since the Guaranteed Downlink Bit Rate is m=
issing, please recheck the</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>assigned type values and their order in sec=
tion 6 and the following</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>subsections. Also, please update the IANA s=
ection accordingly.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Ok.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Thanks again for your detailed comments and=
 suggestions.</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Marco</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>[Ahmad:]</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Thanks Marco!</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Regards,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Ahmad</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#4=
3;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#4=
3;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#4=
3;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#4=
3;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>&#43;</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&#43;</span><br>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#4=
3;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;&#43;</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>From: Basavaraj Patil [<a href=3D"mailto:bp=
atil1@gmail.com">mailto:bpatil1@gmail.com</a>]</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Sent: Tuesday, May 14, 2013 4:37 PM</span><=
br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>To: Ahmad Muhanna</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Cc: <a href=3D"mailto:netext@ietf.org">nete=
xt@ietf.org</a></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Subject: Request for review of I-D: draft-i=
etf-netext-pmip6-qos-02</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Hi Ahmad,</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>We would appreciate it if you can review th=
e I-D:&nbsp;uality of Service</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Option for Proxy Mobile IPv6 &lt;draft-ietf=
-netext-pmip6-qos-02.txt&gt;.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Please post your review comments directly t=
o the list. If you can</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>complete the review within the next 2 weeks=
, that would be much</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite"><span>appreciated.</span><br>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Thank you.</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>-Chairs</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>--</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>Basavaraj Patil</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>___________________________________________=
____</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span>netext mailing list</span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span><a href=3D"mailto:netext@ietf.org">netext@i=
etf.org</a></span><br>
</blockquote>
</blockquote>
</blockquote>
<blockquote type=3D"cite">
<blockquote type=3D"cite">
<blockquote type=3D"cite"><span><a href=3D"https://www.ietf.org/mailman/lis=
tinfo/netext">https://www.ietf.org/mailman/listinfo/netext</a></span><br>
</blockquote>
</blockquote>
</blockquote>
</div>
</blockquote>
</body>
</html>

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From: Basavaraj Patil <bpatil1@gmail.com>
To: "netext@ietf.org" <netext@ietf.org>
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Subject: [netext] Fwd: IPR Disclosure: ZTE CORPORATION's Statement about IPR related to draft-ietf-netext-pd-pmip-09
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--089e0149c800edbd8c04e0a25c9a
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello,

Please note the IPR disclosure associated with the WG I-D: Prefix
Delegation Support for Proxy Mobile IPv6

<draft-ietf-netext-pd-pmip>.


This I-D is proposed to be published as a standards track RFC.


In lieu of the IPR disclosure, the I-D will be required to go through
another WG last call.


If you have any questions, please contact the chairs or post to the ML.


-Raj


---------- Forwarded message ----------
From: IETF Secretariat <ietf-ipr@ietf.org>
Date: Wed, Jul 3, 2013 at 9:32 AM
Subject: IPR Disclosure: ZTE CORPORATION's Statement about IPR related to
draft-ietf-netext-pd-pmip-09
To: zhou.xingyue@zte.com.cn, jouni.nospam@gmail.com, carlw@mcsr-labs.org,
sgundave@cisco.com, cjbc@it.uc3m.es
Cc: brian@innovationslab.net, ted.lemon@nominum.com, rkoodli@cisco.com,
bpatil1+ietf@gmail.com, netext@ietf.org, ipr-announce@ietf.org



Dear Xingyue Zhou, Jouni Korhonen, Carl Williams, Sri Gundavelli, Carlos
J=E9sus Bernardos:

 An IPR disclosure that pertains to your Internet-Draft entitled "Prefix
Delegation Support for Proxy Mobile IPv6" (draft-ietf-netext-pd-pmip) was
submitted to the IETF Secretariat on 2013-07-02 and has been posted on the
"IETF
Page of Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/2121/). The title of the IPR disclosure i=
s
"ZTE CORPORATION's Statement about IPR related to draft-ietf-netext-pd-
pmip-09."");

The IETF Secretariat




--=20
Basavaraj Patil

--089e0149c800edbd8c04e0a25c9a
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><br></div>Hello,<div><br></div><div>Please note the I=
PR disclosure associated with the WG I-D:=A0<span style=3D"color:rgb(0,0,0)=
;font-size:13px;line-height:1.2em">Prefix Delegation Support for Proxy Mobi=
le IPv6</span><pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:=
0px;color:rgb(0,0,0);font-size:13px">
&lt;draft-ietf-netext-pd-pmip&gt;.</pre><pre style=3D"line-height:1.2em;mar=
gin-top:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13px"><br></pre><p=
re style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(0,=
0,0);font-size:13px">
This I-D is proposed to be published as a standards track RFC. </pre><pre s=
tyle=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(0,0,0)=
;font-size:13px"><br></pre><pre style=3D"line-height:1.2em;margin-top:0px;m=
argin-bottom:0px;color:rgb(0,0,0);font-size:13px">
In lieu of the IPR disclosure, the I-D will be required to go through anoth=
er WG last call.</pre><pre style=3D"line-height:1.2em;margin-top:0px;margin=
-bottom:0px;color:rgb(0,0,0);font-size:13px"><br></pre><pre style=3D"line-h=
eight:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13p=
x">
If you have any questions, please contact the chairs or post to the ML.</pr=
e><pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rg=
b(0,0,0);font-size:13px"><br></pre><pre style=3D"line-height:1.2em;margin-t=
op:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13px">
-Raj</pre><br><div class=3D"gmail_quote">---------- Forwarded message -----=
-----<br>From: <b class=3D"gmail_sendername">IETF Secretariat</b> <span dir=
=3D"ltr">&lt;<a href=3D"mailto:ietf-ipr@ietf.org">ietf-ipr@ietf.org</a>&gt;=
</span><br>
Date: Wed, Jul 3, 2013 at 9:32 AM<br>Subject: IPR Disclosure: ZTE CORPORATI=
ON&#39;s Statement about IPR related to draft-ietf-netext-pd-pmip-09<br>To:=
 <a href=3D"mailto:zhou.xingyue@zte.com.cn">zhou.xingyue@zte.com.cn</a>, <a=
 href=3D"mailto:jouni.nospam@gmail.com">jouni.nospam@gmail.com</a>, <a href=
=3D"mailto:carlw@mcsr-labs.org">carlw@mcsr-labs.org</a>, <a href=3D"mailto:=
sgundave@cisco.com">sgundave@cisco.com</a>, <a href=3D"mailto:cjbc@it.uc3m.=
es">cjbc@it.uc3m.es</a><br>
Cc: <a href=3D"mailto:brian@innovationslab.net">brian@innovationslab.net</a=
>, <a href=3D"mailto:ted.lemon@nominum.com">ted.lemon@nominum.com</a>, <a h=
ref=3D"mailto:rkoodli@cisco.com">rkoodli@cisco.com</a>, <a href=3D"mailto:b=
patil1%2Bietf@gmail.com">bpatil1+ietf@gmail.com</a>, <a href=3D"mailto:nete=
xt@ietf.org">netext@ietf.org</a>, <a href=3D"mailto:ipr-announce@ietf.org">=
ipr-announce@ietf.org</a><br>
<br><br><br>
Dear Xingyue Zhou, Jouni Korhonen, Carl Williams, Sri Gundavelli, Carlos J=
=E9sus Bernardos:<br>
<br>
=A0An IPR disclosure that pertains to your Internet-Draft entitled &quot;Pr=
efix<br>
Delegation Support for Proxy Mobile IPv6&quot; (draft-ietf-netext-pd-pmip) =
was<br>
submitted to the IETF Secretariat on 2013-07-02 and has been posted on the =
&quot;IETF<br>
Page of Intellectual Property Rights Disclosures&quot;<br>
(<a href=3D"https://datatracker.ietf.org/ipr/2121/" target=3D"_blank">https=
://datatracker.ietf.org/ipr/2121/</a>). The title of the IPR disclosure is<=
br>
&quot;ZTE CORPORATION&#39;s Statement about IPR related to draft-ietf-netex=
t-pd-<br>
pmip-09.&quot;&quot;);<br>
<br>
The IETF Secretariat<br>
<br>
</div><br><br clear=3D"all"><div><br></div>-- <br>Basavaraj Patil
</div></div>

--089e0149c800edbd8c04e0a25c9a--

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Subject: [netext] Working group last call: for I-D: draft-ietf-netext-pd-pmip
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--001a11330b2223c7fd04e0a26d65
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This is a working group last call for I-D:

Prefix Delegation Support for Proxy Mobile IPv6

<draft-ietf-netext-pd-pmip>


An IPR disclosure for this I-D has been posted at

https://datatracker.ietf.org/ipr/2121/


Also note that during earlier discussions at the working group
meetings Alex Petrescu has also said that he may be aware of an IPR
that is relevant to this


Please review the I-D as well as these disclosures and provide
feedback on the ML or to the chairs or authors.


The WG last call will end on July 19th, 2013.


-Chairs

--001a11330b2223c7fd04e0a26d65
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<div dir=3D"ltr"><div><br></div>This is a working group last call for I-D:<=
div><pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:=
rgb(0,0,0);font-size:13px">Prefix Delegation Support for Proxy Mobile IPv6<=
/pre>
<pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(=
0,0,0);font-size:13px">&lt;draft-ietf-netext-pd-pmip&gt;</pre><pre style=3D=
"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(0,0,0);font-s=
ize:13px">
<br></pre><pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;=
color:rgb(0,0,0);font-size:13px">An IPR disclosure for this I-D has been po=
sted at=A0</pre><pre style=3D"line-height:1.2em;margin-top:0px;margin-botto=
m:0px;color:rgb(0,0,0);font-size:13px">
<a href=3D"https://datatracker.ietf.org/ipr/2121/" target=3D"_blank" style=
=3D"line-height:normal;font-family:arial,sans-serif">https://datatracker.ie=
tf.org/ipr/2121/</a></pre><pre style=3D"line-height:1.2em;margin-top:0px;ma=
rgin-bottom:0px;color:rgb(0,0,0);font-size:13px">
<br></pre><pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;=
color:rgb(0,0,0);font-size:13px">Also note that during earlier discussions =
at the working group meetings Alex Petrescu has also said that he may be aw=
are of an IPR that is relevant to this </pre>
<pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(=
0,0,0);font-size:13px"><br></pre><pre style=3D"line-height:1.2em;margin-top=
:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13px">Please review the I=
-D as well as these disclosures and provide feedback on the ML or to the ch=
airs or authors.</pre>
<pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(=
0,0,0);font-size:13px"><br></pre><pre style=3D"line-height:1.2em;margin-top=
:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13px">The WG last call wi=
ll end on July 19th, 2013.</pre>
<pre style=3D"line-height:1.2em;margin-top:0px;margin-bottom:0px;color:rgb(=
0,0,0);font-size:13px"><br></pre><pre style=3D"line-height:1.2em;margin-top=
:0px;margin-bottom:0px;color:rgb(0,0,0);font-size:13px">-Chairs</pre><div><=
br>
</div></div></div>

--001a11330b2223c7fd04e0a26d65--

From cjbc@it.uc3m.es  Thu Jul 11 08:00:14 2013
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From: Carlos =?ISO-8859-1?Q?Jes=FAs?= Bernardos Cano <cjbc@it.uc3m.es>
To: sarikaya@ieee.org
Date: Thu, 11 Jul 2013 17:00:00 +0200
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Subject: Re: [netext] #19: Issue in using BID from RFC 5648
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Hi Behcet,

Resuming the discussion on this. Hopefully we would be able to progress
on this in Berlin. See inline below...

On Mon, 2013-02-25 at 12:15 -0600, Behcet Sarikaya wrote:
> Hi Carlos,
> 
> I don't understand why LMA would need the BID?
> As I mentioned, the problem is MAGs who only see one interface.
> 
> Another important point you keep missing is that in RFC5648, there is
> a clear distinction between the home interface and the visited
> interfaces. 

Can you point me in the spec where that clear distinction is made? I
cannot find any protocol field about it.
> 
> When PMIPv6 deviates from RFC 5213 model for the interfaces and start
> to treat the different interfaces from the same MN in an integrated
> fashion PMIPv6 also has to do the same.
> 
> That's why you need interface marking. By using interface marking MAG
> gets to know about multiple interfaces and LMA can differentiate
> between the two type of interface registrations.
> 
> BID is superfluous  in that there is already flow id in 6089.
> 
I disagree. The BID is a local identifier, assigned and used by the
local mobility anchor to identify which entry of the flow mobility cache
is used to decide how to route a given flow.

Thanks,

Carlos
> 
> Regards,
> 
> Behcet
> 
> On Sun, Feb 24, 2013 at 12:54 PM, netext issue tracker <trac
> +netext@grenache.tools.ietf.org> wrote:
>         #19: Issue in using BID from RFC 5648
>         
>         
>         
>         Comment (by cjbc@it.uc3m.es):
>         
>          Hi,
>         
>          Apologies for the late reply.
>         
>          Let me explain the background of this solution design
>         decision. The idea
>          is to avoid defining as many new stuff as possible. It is
>         true that the
>          BID, as defined in RFC 5648, is registered by the MN, but
>         here we are just
>          trying to re-use the signaling, though obviusly the context
>         is a bit
>          different. Here is what -05 says about it:
>         
>             "This specification re-uses the extensions defined in
>         [RFC5648] to
>             manage multiple registrations, but in the context of Proxy
>         Mobile
>             IPv6.  The binding cache is therefore extended to include
>         more than
>             one proxy care-of addresses and to associate each of them
>         with a
>             binding identifier (BID).  Note that the BID is a local
>         identifier,
>             assigned and used by the local mobility anchor to identify
>         which
>             entry of the flow mobility cache is used to decide how to
>         route a
>             given flow."
>         
>          Also note that this BID in the BC of the LMA is used in
>         conjunction with
>          the flow mobility cache, which basically re-uses the
>         extensions defined in
>          RFC6089, which is about flow mobility (in the context of
>         MIPv6).
>          Therefore, I see that RFC5648 + RFC6089 are about 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          |  Resolution:
>          Keywords:  BID, PMIPv6, flow mobility  |
>         
>         ----------------------------------------+--------------------------------
>         
>         Ticket URL:
>         <http://trac.tools.ietf.org/wg/netext/trac/ticket/19#comment:1>
>         netext <http://tools.ietf.org/netext/>
>         
> 



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--089e0149c8004393f304e13e8f36
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Hello,

We have a 2 hour slot allocated for the WG meeting at IETF87.

Please send a request if you would like a slot on the agenda.

-Chairs

--089e0149c8004393f304e13e8f36
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<div dir="ltr"><div><br></div><div style>Hello,</div><div style><br></div><div style>We have a 2 hour slot allocated for the WG meeting at IETF87.</div><div style><br></div><div style>Please send a request if you would like a slot on the agenda.</div>
<div style><br></div><div style>-Chairs</div><br></div>

--089e0149c8004393f304e13e8f36--

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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           : EAP Attributes for WiFi - EPC Integration
	Author(s)       : Ravi Valmikam
                          Rajeev Koodli
	Filename        : draft-ietf-netext-wifi-epc-eap-attributes-03.txt
	Pages           : 13
	Date            : 2013-07-12

Abstract:
   With WiFi beginning to establishing itself as a trusted access
   network for service providers, it has become important to provide
   functions commonly available in 3G and 4G networks in WiFi access
   networks.  Such functions include Access Point Name (APN) Selection,
   multiple Packet Data Network (PDN) connections and seamless mobility
   between WiFi and 3G/4G networks.

   EAP/AKA (and EAP/AKA') is standardized by 3GPP as the access
   authentication protocol for trusted access networks.  This IETF
   specification is required for mobile devices to access the 3GPP
   Evolved Packet Core (EPC) networks.  This document defines a few new
   EAP attributes and procedures to provide the above-mentioned
   functions in trusted WiFi access networks.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-netext-wifi-epc-eap-attributes

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-netext-wifi-epc-eap-attributes-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-netext-wifi-epc-eap-attribute=
s-03


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


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Subject: [netext] I-D Action: draft-ietf-netext-pmip6-qos-03.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           : Quality of Service Option for Proxy Mobile IPv6
	Author(s)       : Marco Liebsch
                          Pierrick Seite
                          Hidetoshi Yokota
                          Jouni Korhonen
                          Sri Gundavelli
	Filename        : draft-ietf-netext-pmip6-qos-03.txt
	Pages           : 35
	Date            : 2013-07-15

Abstract:
   This specification defines a new mobility option that can be used by
   the mobility entities in the Proxy Mobile IPv6 domain to exchange
   Quality of Service parameters associated with a subscriber's IP
   flows.  Using the QoS option, the local mobility anchor and the
   mobile access gateway can exchange available QoS attributes and
   associated values.  This enables QoS policing and labeling of packets
   to enforce QoS differentiation on the path between the local mobility
   anchor and the mobile access gateway.  Furthermore, making QoS
   parameters available on the MAG enables mapping these parameters to
   QoS rules being specific to the access technology which operates
   below the mobile access gateway.  After such mapping, QoS rules can
   be enforced on the access technology components, such as an IEEE
   802.11e Wireless LAN controller.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-netext-pmip6-qos

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-netext-pmip6-qos-03

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-netext-pmip6-qos-03


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


From ryuji.wakikawa@gmail.com  Mon Jul 15 15:01:26 2013
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Subject: [netext] Fwd: New Version Notification for draft-wakikawa-netext-pmip-cp-up-separation-00.txt
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Hi=20

We submitted a draft for data- and user plane separation of PMIP. We =
introduce a new mobility option to carry LMA's user plane address. The =
spec is very simple. Your comment are appreciated.

Chairs,
I would like to have a slot in netext meeting.

thanks!
ryuji

Begin forwarded message:

> From: internet-drafts@ietf.org
> Subject: New Version Notification for =
draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> Date: July 16, 2013 6:57:05 AM GMT+09:00
> To: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>, Rajesh S. Pazhyannur =
<rpazhyan@cisco.com>, Rajesh Pazhyannur <rpazhyan@cisco.com>, Sri =
Gundavelli <sgundave@cisco.com>
>=20
>=20
> A new version of I-D, =
draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> has been successfully submitted by Ryuji Wakikawa and posted to the
> IETF repository.
>=20
> Filename:	 draft-wakikawa-netext-pmip-cp-up-separation
> Revision:	 00
> Title:		 Separation of Control and User Plane for Proxy =
Mobile IPv6
> Creation date:	 2013-07-16
> Group:		 Individual Submission
> Number of pages: 7
> URL:             =
http://www.ietf.org/internet-drafts/draft-wakikawa-netext-pmip-cp-up-separ=
ation-00.txt
> Status:          =
http://datatracker.ietf.org/doc/draft-wakikawa-netext-pmip-cp-up-separatio=
n
> Htmlized:        =
http://tools.ietf.org/html/draft-wakikawa-netext-pmip-cp-up-separation-00
>=20
>=20
> Abstract:
>   This document describes splitting of Control Plane (CP) and User
>   Plane (UP) for a Proxy Mobile IPv6 based network infrastructure.
>   Existing specifications allow a MAG to perform splitting of its
>   control and user plane using Alternate Care of address mobility
>   option for IPv6, or Alternate IPv4 Care of Address option for IPv4.
>   However, the current specification does not have semantics for
>   allowing the LMA to perform such functional split.  To realize this
>   requirement, this specification defines a mobility option that
>   enables a local mobility anchor to provide an alternate LMA address
>   to be used for the bi-directional tunnel between the MAG and LMA.
>   With this extension, a local mobility anchor will be able to use an
>   IP address for its user plane which is different than what is used
>   for the control plane.
>=20
>=20
>=20
>=20
> The IETF Secretariat
>=20


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--e89a8fb200e65507b704e1a2671d
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Rev: 0

Network-Based Mobility Extensions (netext):
WG meeting agenda for IETF87

TUESDAY, July 30, 2013,  Afternoon Session I (1300-1500)
Room: Tiergarten 1/2

--------------------------------------------

1. Logistics (Bluesheets, minutes takers, jabber, agenda bashing) 5 mins

2. WG Status update        Chairs                    5 Mins

3. Proxy Mobile IPv6 Extensions to Support Flow Mobility  15 Mins
   I-D: draft-ietf-netext-pmipv6-flowmob                CJ Bernardos

4. Quality of Service Option for Proxy Mobile IPv6 5 Mins
   I-D: draft-ietf-netext-pmip6-qos-03        Marco Liebsch


5. Separation of Control and User Plane for Proxy Mobile IPv6  15 Mins
   I-D: draft-wakikawa-netext-pmip-cp-up-separation-00   R. Wakikawa

6. Dynamic CoA Support for PMIPv6 5 Mins
   I-D: TBA              Sri Gundavelli

7. MAG Identifier Option for PMIPv6 5 Mins
   I-D: TBA              Sri Gundavelli

8. Mapping PMIP Quality of Service in WiFi Network 10 Mins
  I-D: draft-kaippallimalil-netext-pmip-qos-wifi-02  J. Kaippallimalil

9. Summary and Next steps     Chairs

-----------------------------------------------

- Presentation slides will be available a day prior to the meeting.

- Meetecho support has been requested for remote attendees. Will
  update as soon as the links are available.

-- 
Basavaraj Patil

--e89a8fb200e65507b704e1a2671d
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><br></div><div><div><br></div><div>Rev: 0</div><div><=
br></div><div>Network-Based Mobility Extensions (netext):=A0</div><div>WG m=
eeting agenda for IETF87</div><div><br></div><div>TUESDAY, July 30, 2013, =
=A0Afternoon Session I (1300-1500)</div>
<div>Room: Tiergarten 1/2</div><div><br></div><div>------------------------=
--------------------</div><div><br></div><div>1. Logistics (Bluesheets, min=
utes takers, jabber, agenda bashing) 5 mins</div><div><br></div><div>2. WG =
Status update =A0 =A0 =A0 =A0Chairs =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
5 Mins</div>
<div><br></div><div>3. Proxy Mobile IPv6 Extensions to Support Flow Mobilit=
y =A015 Mins</div><div>=A0 =A0I-D: draft-ietf-netext-pmipv6-flowmob =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 =A0CJ Bernardos</div><div><br></div><div>4. Quality of=
 Service Option for Proxy Mobile IPv6<span class=3D"" style=3D"white-space:=
pre">	</span>5 Mins</div>
<div>=A0 =A0I-D: draft-ietf-netext-pmip6-qos-03 <span class=3D"" style=3D"w=
hite-space:pre">	</span> =A0 =A0 =A0<span class=3D"" style=3D"white-space:p=
re">		</span>Marco Liebsch</div><div><br></div><div><br></div><div>5. Separ=
ation of Control and User Plane for Proxy Mobile IPv6 =A015 Mins</div>
<div>=A0 =A0I-D: draft-wakikawa-netext-pmip-cp-up-separation-00 =A0 R. Waki=
kawa</div><div><br></div><div>6. Dynamic CoA Support for PMIPv6<span class=
=3D"" style=3D"white-space:pre">			</span> 5 Mins</div><div>=A0 =A0I-D: TBA=
 =A0 =A0<span class=3D"" style=3D"white-space:pre">	</span> =A0 =A0 =A0 <sp=
an class=3D"" style=3D"white-space:pre">	</span> =A0 <span class=3D"" style=
=3D"white-space:pre">		</span>Sri Gundavelli</div>
<div><br></div><div>7. MAG Identifier Option for PMIPv6<span class=3D"" sty=
le=3D"white-space:pre">			</span>5 Mins</div><div>=A0 =A0I-D: TBA =A0 =A0<s=
pan class=3D"" style=3D"white-space:pre">	</span> =A0 =A0 =A0 <span class=
=3D"" style=3D"white-space:pre">	</span> =A0 <span class=3D"" style=3D"whit=
e-space:pre">		</span>Sri Gundavelli</div>
<div><br></div><div>8. Mapping PMIP Quality of Service in WiFi Network<span=
 class=3D"" style=3D"white-space:pre">	</span>10 Mins</div><div>=A0 I-D: dr=
aft-kaippallimalil-netext-pmip-qos-wifi-02 =A0J. Kaippallimalil</div><div><=
br></div>
<div>9. Summary and Next steps<span class=3D"" style=3D"white-space:pre">		=
	</span> =A0 =A0 Chairs</div><div><br></div><div>--------------------------=
---------------------</div><div><br></div><div>- Presentation slides will b=
e available a day prior to the meeting.</div>
<div><br></div><div>- Meetecho support has been requested for remote attend=
ees. Will</div><div>=A0 update as soon as the links are available.</div></d=
iv><div><br></div>-- <br>Basavaraj Patil
</div>

--e89a8fb200e65507b704e1a2671d--

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From: Behcet Sarikaya <sarikaya2012@gmail.com>
To: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>
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Subject: Re: [netext] Fwd: New Version Notification for draft-wakikawa-netext-pmip-cp-up-separation-00.txt
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Hi Ryuji,

Have you looked at Charlie's draft:

draft-perkins-netext-hatunaddr-00

I think he already defined extensions for both MIP and PMIP that you are
trying to define.

You may also look at my draft, draft-sarikaya-dmm-cloud-mm-00.txt which is
now expired.

Regards,

Behcet


On Mon, Jul 15, 2013 at 5:01 PM, Ryuji Wakikawa <ryuji.wakikawa@gmail.com>wrote:

> Hi
>
> We submitted a draft for data- and user plane separation of PMIP. We
> introduce a new mobility option to carry LMA's user plane address. The spec
> is very simple. Your comment are appreciated.
>
> Chairs,
> I would like to have a slot in netext meeting.
>
> thanks!
> ryuji
>
> Begin forwarded message:
>
> > From: internet-drafts@ietf.org
> > Subject: New Version Notification for
> draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> > Date: July 16, 2013 6:57:05 AM GMT+09:00
> > To: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>, Rajesh S. Pazhyannur <
> rpazhyan@cisco.com>, Rajesh Pazhyannur <rpazhyan@cisco.com>, Sri
> Gundavelli <sgundave@cisco.com>
> >
> >
> > A new version of I-D, draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> > has been successfully submitted by Ryuji Wakikawa and posted to the
> > IETF repository.
> >
> > Filename:      draft-wakikawa-netext-pmip-cp-up-separation
> > Revision:      00
> > Title:                 Separation of Control and User Plane for Proxy
> Mobile IPv6
> > Creation date:         2013-07-16
> > Group:                 Individual Submission
> > Number of pages: 7
> > URL:
> http://www.ietf.org/internet-drafts/draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> > Status:
> http://datatracker.ietf.org/doc/draft-wakikawa-netext-pmip-cp-up-separation
> > Htmlized:
> http://tools.ietf.org/html/draft-wakikawa-netext-pmip-cp-up-separation-00
> >
> >
> > Abstract:
> >   This document describes splitting of Control Plane (CP) and User
> >   Plane (UP) for a Proxy Mobile IPv6 based network infrastructure.
> >   Existing specifications allow a MAG to perform splitting of its
> >   control and user plane using Alternate Care of address mobility
> >   option for IPv6, or Alternate IPv4 Care of Address option for IPv4.
> >   However, the current specification does not have semantics for
> >   allowing the LMA to perform such functional split.  To realize this
> >   requirement, this specification defines a mobility option that
> >   enables a local mobility anchor to provide an alternate LMA address
> >   to be used for the bi-directional tunnel between the MAG and LMA.
> >   With this extension, a local mobility anchor will be able to use an
> >   IP address for its user plane which is different than what is used
> >   for the control plane.
> >
> >
> >
> >
> > The IETF Secretariat
> >
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>

--089e012284fa6d398c04e1a7ba20
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<div dir=3D"ltr"><div><div><div><div><div>Hi Ryuji,<br><br></div>Have you l=
ooked at Charlie&#39;s draft:<br><br>draft-perkins-netext-hatunaddr-00<br><=
br></div>I think he already defined extensions for both MIP and PMIP that y=
ou are trying to define.<br>
<br></div>You may also look at my draft, draft-sarikaya-dmm-cloud-mm-00.txt=
 which is now expired.<br><br></div>Regards,<br><br></div>Behcet<br></div><=
div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Mon, Jul 15=
, 2013 at 5:01 PM, Ryuji Wakikawa <span dir=3D"ltr">&lt;<a href=3D"mailto:r=
yuji.wakikawa@gmail.com" target=3D"_blank">ryuji.wakikawa@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">Hi<br>
<br>
We submitted a draft for data- and user plane separation of PMIP. We introd=
uce a new mobility option to carry LMA&#39;s user plane address. The spec i=
s very simple. Your comment are appreciated.<br>
<br>
Chairs,<br>
I would like to have a slot in netext meeting.<br>
<br>
thanks!<br>
ryuji<br>
<br>
Begin forwarded message:<br>
<br>
&gt; From: <a href=3D"mailto:internet-drafts@ietf.org">internet-drafts@ietf=
.org</a><br>
&gt; Subject: New Version Notification for draft-wakikawa-netext-pmip-cp-up=
-separation-00.txt<br>
&gt; Date: July 16, 2013 6:57:05 AM GMT+09:00<br>
&gt; To: Ryuji Wakikawa &lt;<a href=3D"mailto:ryuji.wakikawa@gmail.com">ryu=
ji.wakikawa@gmail.com</a>&gt;, Rajesh S. Pazhyannur &lt;<a href=3D"mailto:r=
pazhyan@cisco.com">rpazhyan@cisco.com</a>&gt;, Rajesh Pazhyannur &lt;<a hre=
f=3D"mailto:rpazhyan@cisco.com">rpazhyan@cisco.com</a>&gt;, Sri Gundavelli =
&lt;<a href=3D"mailto:sgundave@cisco.com">sgundave@cisco.com</a>&gt;<br>

&gt;<br>
&gt;<br>
&gt; A new version of I-D, draft-wakikawa-netext-pmip-cp-up-separation-00.t=
xt<br>
&gt; has been successfully submitted by Ryuji Wakikawa and posted to the<br=
>
&gt; IETF repository.<br>
&gt;<br>
&gt; Filename: =A0 =A0 =A0draft-wakikawa-netext-pmip-cp-up-separation<br>
&gt; Revision: =A0 =A0 =A000<br>
&gt; Title: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Separation of Control and User =
Plane for Proxy Mobile IPv6<br>
&gt; Creation date: =A0 =A0 =A0 =A0 2013-07-16<br>
&gt; Group: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Individual Submission<br>
&gt; Number of pages: 7<br>
&gt; URL: =A0 =A0 =A0 =A0 =A0 =A0 <a href=3D"http://www.ietf.org/internet-d=
rafts/draft-wakikawa-netext-pmip-cp-up-separation-00.txt" target=3D"_blank"=
>http://www.ietf.org/internet-drafts/draft-wakikawa-netext-pmip-cp-up-separ=
ation-00.txt</a><br>

&gt; Status: =A0 =A0 =A0 =A0 =A0<a href=3D"http://datatracker.ietf.org/doc/=
draft-wakikawa-netext-pmip-cp-up-separation" target=3D"_blank">http://datat=
racker.ietf.org/doc/draft-wakikawa-netext-pmip-cp-up-separation</a><br>
&gt; Htmlized: =A0 =A0 =A0 =A0<a href=3D"http://tools.ietf.org/html/draft-w=
akikawa-netext-pmip-cp-up-separation-00" target=3D"_blank">http://tools.iet=
f.org/html/draft-wakikawa-netext-pmip-cp-up-separation-00</a><br>
&gt;<br>
&gt;<br>
&gt; Abstract:<br>
&gt; =A0 This document describes splitting of Control Plane (CP) and User<b=
r>
&gt; =A0 Plane (UP) for a Proxy Mobile IPv6 based network infrastructure.<b=
r>
&gt; =A0 Existing specifications allow a MAG to perform splitting of its<br=
>
&gt; =A0 control and user plane using Alternate Care of address mobility<br=
>
&gt; =A0 option for IPv6, or Alternate IPv4 Care of Address option for IPv4=
.<br>
&gt; =A0 However, the current specification does not have semantics for<br>
&gt; =A0 allowing the LMA to perform such functional split. =A0To realize t=
his<br>
&gt; =A0 requirement, this specification defines a mobility option that<br>
&gt; =A0 enables a local mobility anchor to provide an alternate LMA addres=
s<br>
&gt; =A0 to be used for the bi-directional tunnel between the MAG and LMA.<=
br>
&gt; =A0 With this extension, a local mobility anchor will be able to use a=
n<br>
&gt; =A0 IP address for its user plane which is different than what is used=
<br>
&gt; =A0 for the control plane.<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; The IETF Secretariat<br>
&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></div>

--089e012284fa6d398c04e1a7ba20--

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Hi Ryuji,

The idea of splitting the CP and UP for PMIP6 has been around for quite a
while.
In fact if I were to recollect, Vijay D. had proposed this during the
development of the PMIP6 protocol in Netlmm.

Its a good idea to allow the protocol to optionally have a separate CP/UP
between the MAG and LMA. It would essentially be equivalent to 3GPPs GTP-C
and GTP-U.

The draft itself is preliminary and hopefully will be improved if the WG
decides to adopt it.
Looking forward to the presentation/discussion in Berlin.

-Raj

-- 
Basavaraj Patil

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<div dir=3D"ltr"><div><br></div>Hi Ryuji,<div><br></div><div>The idea of sp=
litting the CP and UP for PMIP6 has been around for quite a while.</div><di=
v>In fact if I were to recollect, Vijay D. had proposed this during the dev=
elopment of the PMIP6 protocol in Netlmm.</div>
<div><br></div><div>Its a good idea to allow the protocol to optionally hav=
e a separate CP/UP between the MAG and LMA. It would essentially be equival=
ent to 3GPPs GTP-C and GTP-U.=A0</div><div><br></div><div>The draft itself =
is preliminary and hopefully will be improved if the WG decides to adopt it=
.=A0</div>
<div>Looking forward to the presentation/discussion in Berlin.</div><div><b=
r></div><div>-Raj<br clear=3D"all"><div><br></div>-- <br>Basavaraj Patil
</div></div>

--047d7b33d3e092937b04e1a86d46--

From ryuji.wakikawa@gmail.com  Tue Jul 16 15:56:35 2013
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Hi Raj,

Thanks for the comments.=20
I remember Vijay's proposal and found his slide;-)
http://www.ietf.org/proceedings/73/slides/netlmm-4.pdf
I should probably reuse his slide in Berlin;-)

The idea is around for a while. We should standardise an extension now =
so that PMIP can be deployed more.

thanks,
ryuji

On Jul 17, 2013, at 7:23 AM, Basavaraj Patil <bpatil1@gmail.com> wrote:

>=20
> Hi Ryuji,
>=20
> The idea of splitting the CP and UP for PMIP6 has been around for =
quite a while.
> In fact if I were to recollect, Vijay D. had proposed this during the =
development of the PMIP6 protocol in Netlmm.
>=20
> Its a good idea to allow the protocol to optionally have a separate =
CP/UP between the MAG and LMA. It would essentially be equivalent to =
3GPPs GTP-C and GTP-U.=20
>=20
> The draft itself is preliminary and hopefully will be improved if the =
WG decides to adopt it.=20
> Looking forward to the presentation/discussion in Berlin.
>=20
> -Raj
>=20
> --=20
> Basavaraj Patil
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext


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From: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>
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Hi Behecet

Thanks for the pointer.=20
I was not aware of Charlie's document. I was away from IETF and am =
catching up IETF work now.
Yes, his document is what we need! I am happy to help his document and =
definitely support it.

thanks,
ryuji

On Jul 17, 2013, at 6:33 AM, Behcet Sarikaya <sarikaya2012@gmail.com> =
wrote:

> Hi Ryuji,
>=20
> Have you looked at Charlie's draft:
>=20
> draft-perkins-netext-hatunaddr-00
>=20
> I think he already defined extensions for both MIP and PMIP that you =
are trying to define.
>=20
> You may also look at my draft, draft-sarikaya-dmm-cloud-mm-00.txt =
which is now expired.
>=20
> Regards,
>=20
> Behcet
>=20
>=20
> On Mon, Jul 15, 2013 at 5:01 PM, Ryuji Wakikawa =
<ryuji.wakikawa@gmail.com> wrote:
> Hi
>=20
> We submitted a draft for data- and user plane separation of PMIP. We =
introduce a new mobility option to carry LMA's user plane address. The =
spec is very simple. Your comment are appreciated.
>=20
> Chairs,
> I would like to have a slot in netext meeting.
>=20
> thanks!
> ryuji
>=20
> Begin forwarded message:
>=20
> > From: internet-drafts@ietf.org
> > Subject: New Version Notification for =
draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> > Date: July 16, 2013 6:57:05 AM GMT+09:00
> > To: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>, Rajesh S. Pazhyannur =
<rpazhyan@cisco.com>, Rajesh Pazhyannur <rpazhyan@cisco.com>, Sri =
Gundavelli <sgundave@cisco.com>
> >
> >
> > A new version of I-D, =
draft-wakikawa-netext-pmip-cp-up-separation-00.txt
> > has been successfully submitted by Ryuji Wakikawa and posted to the
> > IETF repository.
> >
> > Filename:      draft-wakikawa-netext-pmip-cp-up-separation
> > Revision:      00
> > Title:                 Separation of Control and User Plane for =
Proxy Mobile IPv6
> > Creation date:         2013-07-16
> > Group:                 Individual Submission
> > Number of pages: 7
> > URL:             =
http://www.ietf.org/internet-drafts/draft-wakikawa-netext-pmip-cp-up-separ=
ation-00.txt
> > Status:          =
http://datatracker.ietf.org/doc/draft-wakikawa-netext-pmip-cp-up-separatio=
n
> > Htmlized:        =
http://tools.ietf.org/html/draft-wakikawa-netext-pmip-cp-up-separation-00
> >
> >
> > Abstract:
> >   This document describes splitting of Control Plane (CP) and User
> >   Plane (UP) for a Proxy Mobile IPv6 based network infrastructure.
> >   Existing specifications allow a MAG to perform splitting of its
> >   control and user plane using Alternate Care of address mobility
> >   option for IPv6, or Alternate IPv4 Care of Address option for =
IPv4.
> >   However, the current specification does not have semantics for
> >   allowing the LMA to perform such functional split.  To realize =
this
> >   requirement, this specification defines a mobility option that
> >   enables a local mobility anchor to provide an alternate LMA =
address
> >   to be used for the bi-directional tunnel between the MAG and LMA.
> >   With this extension, a local mobility anchor will be able to use =
an
> >   IP address for its user plane which is different than what is used
> >   for the control plane.
> >
> >
> >
> >
> > The IETF Secretariat
> >
>=20
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext
>=20


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From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: Basavaraj Patil <bpatil1@gmail.com>
Thread-Topic: [netext] Comments on I-D: draft-wakikawa-netext-pmip-cp-up-separation
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Subject: Re: [netext] Comments on I-D:	draft-wakikawa-netext-pmip-cp-up-separation
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I agree as well.=20

This is a known issue/gap. Many people including Vijay, Charlie and others =
in the past have suggested that we fix this gap. This data point is importa=
nt, it makes a case that this is a valid issue and the authors are not on r=
esearch track.=20

This is a minor extension, needed for enabling PMIP-based mobility solution=
s on platforms with modular architectures and in certain types of WLAN syst=
ems.


Sri


On Jul 17, 2013, at 12:23 AM, "Basavaraj Patil" <bpatil1@gmail.com> wrote:

>=20
> Hi Ryuji,
>=20
> The idea of splitting the CP and UP for PMIP6 has been around for quite a=
 while.
> In fact if I were to recollect, Vijay D. had proposed this during the dev=
elopment of the PMIP6 protocol in Netlmm.
>=20
> Its a good idea to allow the protocol to optionally have a separate CP/UP=
 between the MAG and LMA. It would essentially be equivalent to 3GPPs GTP-C=
 and GTP-U.=20
>=20
> The draft itself is preliminary and hopefully will be improved if the WG =
decides to adopt it.=20
> Looking forward to the presentation/discussion in Berlin.
>=20
> -Raj
>=20
> --=20
> Basavaraj Patil
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext

From suresh.krishnan@ericsson.com  Wed Jul 17 11:58:11 2013
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Subject: Re: [netext] Comments on I-D: draft-wakikawa-netext-pmip-cp-up-separation
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Hi Ryuji,

On 07/16/2013 06:56 PM, Ryuji Wakikawa wrote:
> Hi Raj,
> 
> Thanks for the comments. 
> I remember Vijay's proposal and found his slide;-)
> http://www.ietf.org/proceedings/73/slides/netlmm-4.pdf
> I should probably reuse his slide in Berlin;-)

Yep. I also think that there is quite a bit of earlier work we can
reuse. There was also an accompanying draft to Vijay's proposal

http://tools.ietf.org/html/draft-devarapalli-netlmm-pmipv6-data-plane-00

Cheers
Suresh


From ryuji.wakikawa@gmail.com  Wed Jul 17 18:18:03 2013
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From: Ryuji Wakikawa <ryuji.wakikawa@gmail.com>
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Cc: netext@ietf.org, draft-wakikawa-netext-pmip-cp-up-separation@tools.ietf.org, Basavaraj Patil <bpatil1@gmail.com>
Subject: Re: [netext] Comments on I-D: draft-wakikawa-netext-pmip-cp-up-separation
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Hi Suresh and all,

Thanks for the draft published in 2008! 5 years ago!
Indeed, many proposals has been submitted in the past.=20

Isn't it good timing to standardise this small extension to PMIP!?

thanks,
ryuji

On Jul 18, 2013, at 3:55 AM, Suresh Krishnan =
<suresh.krishnan@ericsson.com> wrote:

> Hi Ryuji,
>=20
> On 07/16/2013 06:56 PM, Ryuji Wakikawa wrote:
>> Hi Raj,
>>=20
>> Thanks for the comments.=20
>> I remember Vijay's proposal and found his slide;-)
>> http://www.ietf.org/proceedings/73/slides/netlmm-4.pdf
>> I should probably reuse his slide in Berlin;-)
>=20
> Yep. I also think that there is quite a bit of earlier work we can
> reuse. There was also an accompanying draft to Vijay's proposal
>=20
> =
http://tools.ietf.org/html/draft-devarapalli-netlmm-pmipv6-data-plane-00
>=20
> Cheers
> Suresh
>=20


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In past I also had some strong opinions about PMIPv6 UP/CP split
but maybe those can be left now behind ;-)

Regarding the draft it is unclear to me how the LMA knows the
MAG supports the new functionality. Is PMIPv6 Domain wide support
assumed? Second, I think the interactions and co-existence with=20
RFC6463 need to be detailed. Last, how is IPv4 address encoded
within the LMA User Plane Address field? Would it make sense to
encode the address using as 4 octets IPv4 address or is the draft
assuming IPv4-mapped IPv6 address?

- Jouni



On Jul 18, 2013, at 4:17 AM, Ryuji Wakikawa <ryuji.wakikawa@gmail.com> =
wrote:

> Hi Suresh and all,
>=20
> Thanks for the draft published in 2008! 5 years ago!
> Indeed, many proposals has been submitted in the past.=20
>=20
> Isn't it good timing to standardise this small extension to PMIP!?
>=20
> thanks,
> ryuji
>=20
> On Jul 18, 2013, at 3:55 AM, Suresh Krishnan =
<suresh.krishnan@ericsson.com> wrote:
>=20
>> Hi Ryuji,
>>=20
>> On 07/16/2013 06:56 PM, Ryuji Wakikawa wrote:
>>> Hi Raj,
>>>=20
>>> Thanks for the comments.=20
>>> I remember Vijay's proposal and found his slide;-)
>>> http://www.ietf.org/proceedings/73/slides/netlmm-4.pdf
>>> I should probably reuse his slide in Berlin;-)
>>=20
>> Yep. I also think that there is quite a bit of earlier work we can
>> reuse. There was also an accompanying draft to Vijay's proposal
>>=20
>> =
http://tools.ietf.org/html/draft-devarapalli-netlmm-pmipv6-data-plane-00
>>=20
>> Cheers
>> Suresh
>>=20
>=20
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext


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--089e0149c800e3736f04e1cf0ca5
Content-Type: text/plain; charset=ISO-8859-1

Hello,

The Netext WG I-D: Update Notifications for Proxy Mobile IPv6
<draft-ietf-netext-update-notifications-05> has completed working
group last call and is ready for IESG review and approval. Below is
the completed proto writeup for the I-D.

-Raj

------------------------------------------

(1) What type of RFC is being requested (BCP, Proposed Standard,
Internet Standard, Informational, Experimental, or Historic)? Why is
this the proper type of RFC? Is this type of RFC indicated in the
title page header?

Proposed Standard


(2) The IESG approval announcement includes a Document Announcement
Write-Up. Please provide such a Document Announcement Write-Up. Recent
examples can be found in the "Action" announcements for approved
documents. The approval announcement contains the following sections:

Technical Summary:

   This document specifies protocol enhancements for allowing the local
   mobility anchor in a Proxy Mobile IPv6 domain to asynchronously
   notify the mobile access gateway about changes related to a mobility
   session.  These update notification messages are exchanged using a
   new Mobility Header message type specifically designed for this
   purpose.

Working Group Summary:

The extension to Proxy Mobile IPv6 was viewed as essential to the
protocol and hence was adopted by the working group and progressed
with no issues.

Document Quality:

The document has been reviewed by multiple experts within the working
group and has been updated based on the feedback received. The quality
of the document itself is good and ready for IESG review. All
reviewers have been acknowledged in the I-D. The extension is relevant
and has been requested by 3GPP as an enhancement to the
protocol. Multiple vendors are likely to implement this extension to
Proxy Mobile IPv6.

Are there existing
Personnel:

Who is the Document Shepherd? Who is the Responsible Area Director?

Document Shepherd: Basavaraj Patil
Responsible AD: Brian Haberman


(3) Briefly describe the review of this document that was performed by
the Document Shepherd. If this version of the document is not ready
for publication, please explain why the document is being forwarded to
the IESG.

I have reviewed the I-D multiple times during the course of the work
being progressed in the working group. The authors have been receptive
to the suggestions and have updated the draft accordingly. At this
time I am satisfied with the quality of the I-D and believe that it is
ready for IESG review.


(4) Does the document Shepherd have any concerns about the depth or
breadth of the reviews that have been performed?

No. The I-D has been reviewed sufficiently.


(5) Do portions of the document need review from a particular or from
broader perspective, e.g., security, operational complexity, AAA, DNS,
DHCP, XML, or internationalization? If so, describe the review that
took place.

No. The I-D proposes an extension to the base protocol (Proxy Mobile
IPv6) and hence does not need any additional review from experts in
other areas.

(6) Describe any specific concerns or issues that the Document
Shepherd has with this document that the Responsible Area Director
and/or the IESG should be aware of? For example, perhaps he or she is
uncomfortable with certain parts of the document, or has concerns
whether there really is a need for it. In any event, if the WG has
discussed those issues and has indicated that it still wishes to
advance the document, detail those concerns here.

The WG does not have any concerns with this I-D. No major issues or
concerns have been raised that would need to be flagged here.

(7) Has each author confirmed that any and all appropriate IPR
disclosures required for full conformance with the provisions of BCP
78 and BCP 79 have already been filed. If not, explain why?

Each author has confirmed that they are in line with the provisions of
BCP 78, 79.


(8) Has an IPR disclosure been filed that references this document? If
so, summarize any WG discussion and conclusion regarding the IPR
disclosures.

No IPR disclosures have been filed w.r.t this I-D.


(9) How solid is the WG consensus behind this document? Does it
represent the strong concurrence of a few individuals, with others
being silent, or does the WG as a whole understand and agree with it?

There is broad WG consensus on the need for this extension to Proxy
Mobile IPv6. I believe most of the active WG participants understand
the need for this extension and are supportive of it.

(10) Has anyone threatened an appeal or otherwise indicated extreme
discontent? If so, please summarise the areas of conflict in separate
email messages to the Responsible Area Director. (It should be in a
separate email because this questionnaire is publicly available.)

No.

(11) Identify any ID nits the Document Shepherd has found in this
document. (See http://www.ietf.org/tools/idnits/ and the
Internet-Drafts Checklist). Boilerplate checks are not enough; this
check needs to be thorough.

I have checked the I-D for nits with the following result:

"
    Summary: 0 errors (**), 0 flaws (~~), 1 warning (==), 1 comment
    (--).
"


(12) Describe how the document meets any required formal review
criteria, such as the MIB Doctor, media type, and URI type reviews.

The I-D does not specify any MIB, media type or URI types.

(13) Have all references within this document been identified as
either normative or informative?

Yes. The I-D splits the references into normative and informative
sections.


(14) Are there normative references to documents that are not ready
for advancement or are otherwise in an unclear state? If such
normative references exist, what is the plan for their completion?

No normative references exist which are pending advancement.

(15) Are there downward normative references references (see RFC
3967)? If so, list these downward references to support the Area
Director in the Last Call procedure.

No.


(16) Will publication of this document change the status of any
existing RFCs? Are those RFCs listed on the title page header, listed
in the abstract, and discussed in the introduction? If the RFCs are
not listed in the Abstract and Introduction, explain why, and point to
the part of the document where the relationship of this document to
the other RFCs is discussed. If this information is not in the
document, explain why the WG considers it unnecessary.

Status of existing Proxy Mobile IPv6 RFCs will not be affected. This
is an extension to the base protocol and hence there is no impact
caused to the base protocol itself.


(17) Describe the Document Shepherd's review of the IANA
considerations section, especially with regard to its consistency with
the body of the document. Confirm that all protocol extensions that
the document makes are associated with the appropriate reservations in
IANA registries. Confirm that any referenced IANA registries have been
clearly identified. Confirm that newly created IANA registries include
a detailed specification of the initial contents for the registry,
that allocations procedures for future registrations are defined, and
a reasonable name for the new registry has been suggested (see RFC
5226).

The IANA considerations section is complete and includes all the
information that would be required by IANA.
A new registry is required. And the details for this are specified in
the IANA considerations section.


(18) List any new IANA registries that require Expert Review for
future allocations. Provide any public guidance that the IESG would
find useful in selecting the IANA Experts for these new registries.

A new IANA registry called : "Update Notification Reasons Registry" is
required. Experts who can assist IANA for these registries include the
current working group chairs (Basavaraj Patil/Rajeev Koodli) as well
as other active participants in this WG such as: Charles Perkins, Kent
Leung, Pete McCann.


(19) Describe reviews and automated checks performed by the Document
Shepherd to validate sections of the document written in a formal
language, such as XML code, BNF rules, MIB definitions, etc.

Not required for this I-D.



-- 
Basavaraj Patil

--089e0149c800e3736f04e1cf0ca5
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><div><br></div><div>Hello,</div><div><br></div><div>T=
he Netext WG I-D: Update Notifications for Proxy Mobile IPv6</div><div>&lt;=
draft-ietf-netext-update-notifications-05&gt; has completed working</div><d=
iv>
group last call and is ready for IESG review and approval. Below is</div><d=
iv>the completed proto writeup for the I-D.</div><div><br></div><div>-Raj</=
div><div><br></div><div>------------------------------------------</div>
<div><br></div><div>(1) What type of RFC is being requested (BCP, Proposed =
Standard,</div><div>Internet Standard, Informational, Experimental, or Hist=
oric)? Why is</div><div>this the proper type of RFC? Is this type of RFC in=
dicated in the</div>
<div>title page header?=A0</div><div><br></div><div>Proposed Standard</div>=
<div><br></div><div><br></div><div>(2) The IESG approval announcement inclu=
des a Document Announcement</div><div>Write-Up. Please provide such a Docum=
ent Announcement Write-Up. Recent</div>
<div>examples can be found in the &quot;Action&quot; announcements for appr=
oved</div><div>documents. The approval announcement contains the following =
sections:=A0</div><div><br></div><div>Technical Summary:</div><div><br></di=
v>
<div>=A0 =A0This document specifies protocol enhancements for allowing the =
local</div><div>=A0 =A0mobility anchor in a Proxy Mobile IPv6 domain to asy=
nchronously</div><div>=A0 =A0notify the mobile access gateway about changes=
 related to a mobility</div>
<div>=A0 =A0session. =A0These update notification messages are exchanged us=
ing a</div><div>=A0 =A0new Mobility Header message type specifically design=
ed for this</div><div>=A0 =A0purpose.</div><div><br></div><div>Working Grou=
p Summary:</div>
<div><br></div><div>The extension to Proxy Mobile IPv6 was viewed as essent=
ial to the</div><div>protocol and hence was adopted by the working group an=
d progressed</div><div>with no issues.</div><div><br></div><div>Document Qu=
ality:</div>
<div><br></div><div>The document has been reviewed by multiple experts with=
in the working</div><div>group and has been updated based on the feedback r=
eceived. The quality</div><div>of the document itself is good and ready for=
 IESG review. All</div>
<div>reviewers have been acknowledged in the I-D. The extension is relevant=
</div><div>and has been requested by 3GPP as an enhancement to the</div><di=
v>protocol. Multiple vendors are likely to implement this extension to</div=
>
<div>Proxy Mobile IPv6.</div><div><br></div><div>Are there existing</div><d=
iv>Personnel:</div><div><br></div><div>Who is the Document Shepherd? Who is=
 the Responsible Area Director?</div><div><br></div><div>Document Shepherd:=
 Basavaraj Patil</div>
<div>Responsible AD: Brian Haberman</div><div><br></div><div><br></div><div=
>(3) Briefly describe the review of this document that was performed by</di=
v><div>the Document Shepherd. If this version of the document is not ready<=
/div>
<div>for publication, please explain why the document is being forwarded to=
</div><div>the IESG.=A0</div><div><br></div><div>I have reviewed the I-D mu=
ltiple times during the course of the work</div><div>being progressed in th=
e working group. The authors have been receptive</div>
<div>to the suggestions and have updated the draft accordingly. At this</di=
v><div>time I am satisfied with the quality of the I-D and believe that it =
is</div><div>ready for IESG review.</div><div><br></div><div><br></div>
<div>(4) Does the document Shepherd have any concerns about the depth or</d=
iv><div>breadth of the reviews that have been performed?=A0</div><div><br><=
/div><div>No. The I-D has been reviewed sufficiently.=A0</div><div><br></di=
v>
<div><br></div><div>(5) Do portions of the document need review from a part=
icular or from</div><div>broader perspective, e.g., security, operational c=
omplexity, AAA, DNS,</div><div>DHCP, XML, or internationalization? If so, d=
escribe the review that</div>
<div>took place.=A0</div><div><br></div><div>No. The I-D proposes an extens=
ion to the base protocol (Proxy Mobile</div><div>IPv6) and hence does not n=
eed any additional review from experts in</div><div>other areas.</div><div>
<br></div><div>(6) Describe any specific concerns or issues that the Docume=
nt</div><div>Shepherd has with this document that the Responsible Area Dire=
ctor</div><div>and/or the IESG should be aware of? For example, perhaps he =
or she is</div>
<div>uncomfortable with certain parts of the document, or has concerns</div=
><div>whether there really is a need for it. In any event, if the WG has</d=
iv><div>discussed those issues and has indicated that it still wishes to</d=
iv>
<div>advance the document, detail those concerns here.=A0</div><div><br></d=
iv><div>The WG does not have any concerns with this I-D. No major issues or=
</div><div>concerns have been raised that would need to be flagged here.</d=
iv>
<div><br></div><div>(7) Has each author confirmed that any and all appropri=
ate IPR</div><div>disclosures required for full conformance with the provis=
ions of BCP</div><div>78 and BCP 79 have already been filed. If not, explai=
n why?=A0</div>
<div><br></div><div>Each author has confirmed that they are in line with th=
e provisions of</div><div>BCP 78, 79.</div><div><br></div><div><br></div><d=
iv>(8) Has an IPR disclosure been filed that references this document? If</=
div>
<div>so, summarize any WG discussion and conclusion regarding the IPR</div>=
<div>disclosures.=A0</div><div><br></div><div>No IPR disclosures have been =
filed w.r.t this I-D.</div><div><br></div><div><br></div><div>(9) How solid=
 is the WG consensus behind this document? Does it</div>
<div>represent the strong concurrence of a few individuals, with others</di=
v><div>being silent, or does the WG as a whole understand and agree with it=
?=A0</div><div><br></div><div>There is broad WG consensus on the need for t=
his extension to Proxy</div>
<div>Mobile IPv6. I believe most of the active WG participants understand</=
div><div>the need for this extension and are supportive of it.</div><div><b=
r></div><div>(10) Has anyone threatened an appeal or otherwise indicated ex=
treme</div>
<div>discontent? If so, please summarise the areas of conflict in separate<=
/div><div>email messages to the Responsible Area Director. (It should be in=
 a</div><div>separate email because this questionnaire is publicly availabl=
e.)=A0</div>
<div><br></div><div>No.</div><div><br></div><div>(11) Identify any ID nits =
the Document Shepherd has found in this</div><div>document. (See <a href=3D=
"http://www.ietf.org/tools/idnits/">http://www.ietf.org/tools/idnits/</a> a=
nd the</div>
<div>Internet-Drafts Checklist). Boilerplate checks are not enough; this</d=
iv><div>check needs to be thorough.</div><div><br></div><div>I have checked=
 the I-D for nits with the following result:</div><div><br></div><div>&quot=
;</div>
<div>=A0 =A0 Summary: 0 errors (**), 0 flaws (~~), 1 warning (=3D=3D), 1 co=
mment</div><div>=A0 =A0 (--).</div><div>&quot;</div><div>=A0</div><div><br>=
</div><div>(12) Describe how the document meets any required formal review<=
/div><div>
criteria, such as the MIB Doctor, media type, and URI type reviews.=A0</div=
><div><br></div><div>The I-D does not specify any MIB, media type or URI ty=
pes.</div><div><br></div><div>(13) Have all references within this document=
 been identified as</div>
<div>either normative or informative?=A0</div><div><br></div><div>Yes. The =
I-D splits the references into normative and informative</div><div>sections=
.</div><div><br></div><div><br></div><div>(14) Are there normative referenc=
es to documents that are not ready</div>
<div>for advancement or are otherwise in an unclear state? If such</div><di=
v>normative references exist, what is the plan for their completion?=A0</di=
v><div><br></div><div>No normative references exist which are pending advan=
cement.</div>
<div><br></div><div>(15) Are there downward normative references references=
 (see RFC</div><div>3967)? If so, list these downward references to support=
 the Area</div><div>Director in the Last Call procedure.=A0</div><div><br>
</div><div>No.=A0</div><div><br></div><div><br></div><div>(16) Will publica=
tion of this document change the status of any</div><div>existing RFCs? Are=
 those RFCs listed on the title page header, listed</div><div>in the abstra=
ct, and discussed in the introduction? If the RFCs are</div>
<div>not listed in the Abstract and Introduction, explain why, and point to=
</div><div>the part of the document where the relationship of this document=
 to</div><div>the other RFCs is discussed. If this information is not in th=
e</div>
<div>document, explain why the WG considers it unnecessary.=A0</div><div><b=
r></div><div>Status of existing Proxy Mobile IPv6 RFCs will not be affected=
. This</div><div>is an extension to the base protocol and hence there is no=
 impact</div>
<div>caused to the base protocol itself.</div><div><br></div><div><br></div=
><div>(17) Describe the Document Shepherd&#39;s review of the IANA</div><di=
v>considerations section, especially with regard to its consistency with</d=
iv>
<div>the body of the document. Confirm that all protocol extensions that</d=
iv><div>the document makes are associated with the appropriate reservations=
 in</div><div>IANA registries. Confirm that any referenced IANA registries =
have been</div>
<div>clearly identified. Confirm that newly created IANA registries include=
</div><div>a detailed specification of the initial contents for the registr=
y,</div><div>that allocations procedures for future registrations are defin=
ed, and</div>
<div>a reasonable name for the new registry has been suggested (see RFC</di=
v><div>5226).=A0</div><div><br></div><div>The IANA considerations section i=
s complete and includes all the</div><div>information that would be require=
d by IANA.=A0</div>
<div>A new registry is required. And the details for this are specified in<=
/div><div>the IANA considerations section.=A0</div><div><br></div><div><br>=
</div><div>(18) List any new IANA registries that require Expert Review for=
</div>
<div>future allocations. Provide any public guidance that the IESG would</d=
iv><div>find useful in selecting the IANA Experts for these new registries.=
=A0</div><div><br></div><div>A new IANA registry called : &quot;Update Noti=
fication Reasons Registry&quot; is</div>
<div>required. Experts who can assist IANA for these registries include the=
</div><div>current working group chairs (Basavaraj Patil/Rajeev Koodli) as =
well</div><div>as other active participants in this WG such as: Charles Per=
kins, Kent</div>
<div>Leung, Pete McCann.=A0</div><div><br></div><div><br></div><div>(19) De=
scribe reviews and automated checks performed by the Document</div><div>She=
pherd to validate sections of the document written in a formal</div><div>
language, such as XML code, BNF rules, MIB definitions, etc.=A0</div><div><=
br></div><div>Not required for this I-D.</div></div><div><br></div><br clea=
r=3D"all"><div><br></div>-- <br>Basavaraj Patil
</div>

--089e0149c800e3736f04e1cf0ca5--

From brian@innovationslab.net  Wed Jul 24 11:21:11 2013
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Date: Wed, 24 Jul 2013 14:20:59 -0400
From: Brian Haberman <brian@innovationslab.net>
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Subject: [netext] Fwd: AD Evaluation : draft-ietf-netext-update-notifications
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-------- Original Message --------
Subject: AD Evaluation : draft-ietf-netext-update-notifications
Date: Wed, 24 Jul 2013 14:16:26 -0400
From: Brian Haberman <brian@innovationslab.net>
To: netext-chairs@tools.ietf.org <netext-chairs@tools.ietf.org>, 
draft-ietf-netext-update-notifications@tools.ietf.org

All,
      I have performed my AD evaluation of
draft-ietf-netext-update-notifications as a part of the RFC publication
process.  Thank you for a well-written document.  The following
comments/questions need to be addressed prior to issuing an IETF Last
Call for the draft.  Please let me know if there is any clarification I
can provide on these comments.

* Introduction

- The 2nd sentence in the 2nd paragraph is clunky.  I finally figured
out that what it is trying to say is that the MAG proxies all MIPv6
signaling on behalf of the mobile node and the LMA acts as a MIPv6 home
agent.  I would suggest re-writing the sentence to be clearer for those
readers who are not experts in the mobility protocols.

- The last sentence of the 2nd paragraph should say that PMIPv6 does not
*currently* have an LMA-to-MAG signaling mechanism.

- The first sentence in the 3rd paragraph is missing an article.  I
believe it should be "... re-register the mobility session..."

- The last sentence in the 3rd paragraph that discusses the use of
existing headers is confusing.  It starts off by saying it is possible
to use existing headers for this signaling and ends by saying they can't
be used.

* Section 4

- Is there any guidance needed on managing the wrapping of the Sequence #'s?

- Is it worth mentioning the Pad1 and PadN options given the alignment
requirements?

- Are there informative references that could be added for mobility
options other than the vendor-specific ones?

* Section 5

- The last bullet is extraneous since it simply points to the very next
sub-section.

- Can you provide an example of where an LMA would not request an ACK
for a UPN?

- I assume that the sequence numbers used in these messages are the same
sequence numbers used for other PMIPv6/MIPv6 messages.  It might be
worthwhile to mention that, if it is true.

* Section 5.2

- I am surprised by the use of SHOULD (SHOULD NOT) for re-transmission
rules.  When would you expect these rules to be ignored?

* Section 6.1

- The 2nd bullet is useless.  If an implementation does not support
these messages, they wouldn't know to look here for responses.  The base
PMIPv6 spec covers the response message for unknown message types.

- Should there be any validation performed on the sequence number?

* IANA

- I would like to see some more guidance given to IANA on where the new
registries should be placed in their protocol hierarchy.

Regards,
Brian



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--001a11c2f3d88f3cd704e24841bb
Content-Type: text/plain; charset=ISO-8859-1

The WG last call for this I-D ( ) has now ended.
We have not received any comments or perspectives based on the IPR
disclosure. At this time we will go ahead and forward the I-D to the IESG.

-Chairs


On Wed, Jul 3, 2013 at 4:48 PM, Basavaraj Patil <bpatil1@gmail.com> wrote:

>
> This is a working group last call for I-D:
>
> Prefix Delegation Support for Proxy Mobile IPv6
>
> <draft-ietf-netext-pd-pmip>
>
>
> An IPR disclosure for this I-D has been posted at
>
> https://datatracker.ietf.org/ipr/2121/
>
>
> Also note that during earlier discussions at the working group meetings Alex Petrescu has also said that he may be aware of an IPR that is relevant to this
>
>
> Please review the I-D as well as these disclosures and provide feedback on the ML or to the chairs or authors.
>
>
> The WG last call will end on July 19th, 2013.
>
>
> -Chairs
>
>
>


-- 
Basavaraj Patil

--001a11c2f3d88f3cd704e24841bb
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><div>The WG last call for this I-D ( ) has now ended.<=
/div><div>We have not received any comments or perspectives based on the IP=
R disclosure. At this time we will go ahead and forward the I-D to the IESG=
.</div>
<div><br></div><div>-Chairs</div></div><div class=3D"gmail_extra"><br><br><=
div class=3D"gmail_quote">On Wed, Jul 3, 2013 at 4:48 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"><div dir=3D"ltr"><div><br></div>This is a wo=
rking group last call for I-D:<div><pre style=3D"line-height:1.2em;font-siz=
e:13px;margin-bottom:0px;margin-top:0px">
Prefix Delegation Support for Proxy Mobile IPv6</pre>
<pre style=3D"line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top=
:0px">&lt;draft-ietf-netext-pd-pmip&gt;</pre><pre style=3D"line-height:1.2e=
m;font-size:13px;margin-bottom:0px;margin-top:0px"><br></pre><pre style=3D"=
line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top:0px">
An IPR disclosure for this I-D has been posted at=A0</pre><pre style=3D"lin=
e-height:1.2em;font-size:13px;margin-bottom:0px;margin-top:0px"><a href=3D"=
https://datatracker.ietf.org/ipr/2121/" style=3D"line-height:normal;font-fa=
mily:arial,sans-serif" target=3D"_blank">https://datatracker.ietf.org/ipr/2=
121/</a></pre>
<pre style=3D"line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top=
:0px"><br></pre><pre style=3D"line-height:1.2em;font-size:13px;margin-botto=
m:0px;margin-top:0px">Also note that during earlier discussions at the work=
ing group meetings Alex Petrescu has also said that he may be aware of an I=
PR that is relevant to this </pre>

<pre style=3D"line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top=
:0px"><br></pre><pre style=3D"line-height:1.2em;font-size:13px;margin-botto=
m:0px;margin-top:0px">Please review the I-D as well as these disclosures an=
d provide feedback on the ML or to the chairs or authors.</pre>

<pre style=3D"line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top=
:0px"><br></pre><pre style=3D"line-height:1.2em;font-size:13px;margin-botto=
m:0px;margin-top:0px">The WG last call will end on July 19th, 2013.</pre>
<pre style=3D"line-height:1.2em;font-size:13px;margin-bottom:0px;margin-top=
:0px"><br></pre><pre style=3D"line-height:1.2em;font-size:13px;margin-botto=
m:0px;margin-top:0px">-Chairs</pre><div><br>
</div></div></div>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>Basavaraj Pa=
til
</div>

--001a11c2f3d88f3cd704e24841bb--

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Message-ID: <CAA5F1T0R08Zjrx0GNfghGf6VHXghWY-Qbr8+uDMspsMrYOVPtQ@mail.gmail.com>
From: Basavaraj Patil <bpatil1@gmail.com>
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Subject: [netext] Request to progress I-D: draft-ietf-netext-pd-pmip
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--047d7b471da48eda1e04e2495259
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Hello,

The Netext working group has completed the working group last call for
I-D: Prefix Delegation Support for Proxy Mobile IPv6
<draft-ietf-netext-pd-pmip-09>.

The I-D is now ready for IESG review and approval. Below is the
completed proto writeup.

-Chairs


(1) What type of RFC is being requested (BCP, Proposed Standard,
Internet Standard, Informational, Experimental, or Historic)? Why is
this the proper type of RFC? Is this type of RFC indicated in the
title page header?

Proposed Standard. Type of RFC is indicated in the title page header.


(2) The IESG approval announcement includes a Document Announcement
Write-Up. Please provide such a Document Announcement Write-Up. Recent
examples can be found in the "Action" announcements for approved
documents. The approval announcement contains the following sections:

Technical Summary:

   This specification defines extensions to Proxy Mobile IPv6 protocol
   for allowing a mobile router in a Proxy Mobile IPv6 domain to obtain
   delegated IP prefixes for its attached mobile networks.  The mobility
   entities in the network will provide network-based mobility
   management support for those delegated IP prefixes just as how IP
   mobility support is provided for the mobile node's home address.
   Even as the mobile router performs a handoff and changes its network
   point of attachment, mobility support is ensured for all the
   delegated IP prefixes and for all the IP nodes in the mobile network
   that use IP address configuration from those delegated IP prefixes.

Working Group Summary:

  The working group has discussed this I-D at length. Comments by
  Alexandru Petrescu
  (http://www.ietf.org/mail-archive/web/netext/current/msg02815.html)
  claimed that the proposal was similar to work being done in other
  working groups. However the working group members believe that this
  extension is essential for Proxy Mobile IPv6 and hence needs to be
  published on its own.

Document Quality:

  The document has been reviewed extensively and revised as a result
  of these reviews. The quality of the document at this time is good
  and ready for IESG review.
  No known implementations of this extension to the Proxy Mobile IPv6
  protocol exist. However a few vendors have expressed plans to
  implement it.
  All reviewers have been appropriately acknowledged in the I-D.


Personnel:

Who is the Document Shepherd? Who is the Responsible Area Director?

  Document Shepherd: Basavaraj Patil
  Responsible AD:    Brian Haberman

(3) Briefly describe the review of this document that was performed by
the Document Shepherd. If this version of the document is not ready
for publication, please explain why the document is being forwarded to
the IESG.

  I have reviewed this I-D multiple times (different versions) and
  have worked with the authors in updating and improving it. This
  version of the document is ready for IESG review and publication.


(4) Does the document Shepherd have any concerns about the depth or
breadth of the reviews that have been performed?

  No.

(5) Do portions of the document need review from a particular or from
broader perspective, e.g., security, operational complexity, AAA, DNS,
DHCP, XML, or internationalization? If so, describe the review that
took place.

  The I-D proposes a solution for prefix delegation by a mobile
  router. There is no necessity of a broader review from the
  perspective of security, operational complexity, DHCP, DNS or
  internationalization. This specification inherits security and
  operational aspects from the base protocol (RFC5213).

(6) Describe any specific concerns or issues that the Document
Shepherd has with this document that the Responsible Area Director
and/or the IESG should be aware of? For example, perhaps he or she is
uncomfortable with certain parts of the document, or has concerns
whether there really is a need for it. In any event, if the WG has
discussed those issues and has indicated that it still wishes to
advance the document, detail those concerns here.

  As document shepherd, I do not not have any concerns with this
  document.


(7) Has each author confirmed that any and all appropriate IPR
disclosures required for full conformance with the provisions of BCP
78 and BCP 79 have already been filed. If not, explain why?

All authors have confirmed that they are in full conformance of BCP 78
and 79.
An IPR disclosure has been provided to the WG. See:
https://datatracker.ietf.org/ipr/2121/


(8) Has an IPR disclosure been filed that references this document? If
so, summarize any WG discussion and conclusion regarding the IPR
disclosures.

  Yes. IPR disclosure has been filed. The WG was notified about this
  IPR disclosure and a last call conducted. The WG did not have any
  comments or concerns expressed regarding the IPR disclosure.

(9) How solid is the WG consensus behind this document? Does it
represent the strong concurrence of a few individuals, with others
being silent, or does the WG as a whole understand and agree with it?

  There is strong WG consensus for publishing this I-D as a proposed
  standard. Consensus ia across the broader WG.

(10) Has anyone threatened an appeal or otherwise indicated extreme
discontent? If so, please summarise the areas of conflict in separate
email messages to the Responsible Area Director. (It should be in a
separate email because this questionnaire is publicly available.)

  There has not been any extreme discontent by anyone w.r.t this
  I-D. There has been some opposition to this I-D, but this has been
  limited to one WG member only and does not represent the broader WG
  consensus.

(11) Identify any ID nits the Document Shepherd has found in this
document. (See http://www.ietf.org/tools/idnits/ and the
Internet-Drafts Checklist). Boilerplate checks are not enough; this
check needs to be thorough.

I-D nits summary:
"
  Checking nits according to http://www.ietf.org/id-info/checklist :

----------------------------------------------------------------------------

     No issues found here.

"

(12) Describe how the document meets any required formal review
criteria, such as the MIB Doctor, media type, and URI type reviews.

  The document does not specify a MIB, media types of URI types and
  hence does not require a review from experts in those areas.

(13) Have all references within this document been identified as
either normative or informative?

 Yes.

(14) Are there normative references to documents that are not ready
for advancement or are otherwise in an unclear state? If such
normative references exist, what is the plan for their completion?

No. All references in this I-D are published RFCs.


(15) Are there downward normative references references (see RFC
3967)? If so, list these downward references to support the Area
Director in the Last Call procedure.

  No. There are no downward normative references.


(16) Will publication of this document change the status of any
existing RFCs? Are those RFCs listed on the title page header, listed
in the abstract, and discussed in the introduction? If the RFCs are
not listed in the Abstract and Introduction, explain why, and point to
the part of the document where the relationship of this document to
the other RFCs is discussed. If this information is not in the
document, explain why the WG considers it unnecessary.

  Publication of this document will not change the status of existing
  RFCs including the Proxy Mobile IPv6 base protocol (RFC5213).


(17) Describe the Document Shepherd's review of the IANA
considerations section, especially with regard to its consistency with
the body of the document. Confirm that all protocol extensions that
the document makes are associated with the appropriate reservations in
IANA registries. Confirm that any referenced IANA registries have been
clearly identified. Confirm that newly created IANA registries include
a detailed specification of the initial contents for the registry,
that allocations procedures for future registrations are defined, and
a reasonable name for the new registry has been suggested (see RFC
5226).

  The IANA considerations section specifies two actions for IANA. As
  shepherd I have reviewed the IANA considerations section and believe
  that all relevant information has been included for IANA to act on.


(18) List any new IANA registries that require Expert Review for
future allocations. Provide any public guidance that the IESG would
find useful in selecting the IANA Experts for these new registries.

  No new IANA registries are required as a result of this I-D.

(19) Describe reviews and automated checks performed by the Document
Shepherd to validate sections of the document written in a formal
language, such as XML code, BNF rules, MIB definitions, etc.

  The I-D does not include any XML code, BNF rules or MIB
  definitions.


-- 
Basavaraj Patil

--047d7b471da48eda1e04e2495259
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><br></div><div>Hello,</div><div><br></div><div>The Ne=
text working group has completed the working group last call for</div><div>=
I-D: Prefix Delegation Support for Proxy Mobile IPv6</div><div>&lt;draft-ie=
tf-netext-pd-pmip-09&gt;.</div>
<div><br></div><div>The I-D is now ready for IESG review and approval. Belo=
w is the</div><div>completed proto writeup.=A0</div><div><br></div><div>-Ch=
airs</div><div><br></div><div><br></div><div>(1) What type of RFC is being =
requested (BCP, Proposed Standard,</div>
<div>Internet Standard, Informational, Experimental, or Historic)? Why is</=
div><div>this the proper type of RFC? Is this type of RFC indicated in the<=
/div><div>title page header?=A0</div><div><br></div><div>Proposed Standard.=
 Type of RFC is indicated in the title page header.</div>
<div><br></div><div><br></div><div>(2) The IESG approval announcement inclu=
des a Document Announcement</div><div>Write-Up. Please provide such a Docum=
ent Announcement Write-Up. Recent</div><div>examples can be found in the &q=
uot;Action&quot; announcements for approved</div>
<div>documents. The approval announcement contains the following sections:=
=A0</div><div><br></div><div>Technical Summary:</div><div><br></div><div>=
=A0 =A0This specification defines extensions to Proxy Mobile IPv6 protocol<=
/div>
<div>=A0 =A0for allowing a mobile router in a Proxy Mobile IPv6 domain to o=
btain</div><div>=A0 =A0delegated IP prefixes for its attached mobile networ=
ks. =A0The mobility</div><div>=A0 =A0entities in the network will provide n=
etwork-based mobility</div>
<div>=A0 =A0management support for those delegated IP prefixes just as how =
IP</div><div>=A0 =A0mobility support is provided for the mobile node&#39;s =
home address.</div><div>=A0 =A0Even as the mobile router performs a handoff=
 and changes its network</div>
<div>=A0 =A0point of attachment, mobility support is ensured for all the</d=
iv><div>=A0 =A0delegated IP prefixes and for all the IP nodes in the mobile=
 network</div><div>=A0 =A0that use IP address configuration from those dele=
gated IP prefixes.</div>
<div><br></div><div>Working Group Summary:</div><div><br></div><div>=A0 The=
 working group has discussed this I-D at length. Comments by</div><div>=A0 =
Alexandru Petrescu</div><div>=A0 (<a href=3D"http://www.ietf.org/mail-archi=
ve/web/netext/current/msg02815.html">http://www.ietf.org/mail-archive/web/n=
etext/current/msg02815.html</a>)</div>
<div>=A0 claimed that the proposal was similar to work being done in other<=
/div><div>=A0 working groups. However the working group members believe tha=
t this</div><div>=A0 extension is essential for Proxy Mobile IPv6 and hence=
 needs to be</div>
<div>=A0 published on its own.</div><div><br></div><div>Document Quality:</=
div><div><br></div><div>=A0 The document has been reviewed extensively and =
revised as a result</div><div>=A0 of these reviews. The quality of the docu=
ment at this time is good</div>
<div>=A0 and ready for IESG review.</div><div>=A0 No known implementations =
of this extension to the Proxy Mobile IPv6</div><div>=A0 protocol exist. Ho=
wever a few vendors have expressed plans to</div><div>=A0 implement it.=A0<=
/div><div>
=A0 All reviewers have been appropriately acknowledged in the I-D.=A0</div>=
<div><br></div><div><br></div><div>Personnel:</div><div><br></div><div>Who =
is the Document Shepherd? Who is the Responsible Area Director?</div><div><=
br>
</div><div>=A0 Document Shepherd: Basavaraj Patil</div><div>=A0 Responsible=
 AD: =A0 =A0Brian Haberman</div><div><br></div><div>(3) Briefly describe th=
e review of this document that was performed by</div><div>the Document Shep=
herd. If this version of the document is not ready</div>
<div>for publication, please explain why the document is being forwarded to=
</div><div>the IESG.=A0</div><div><br></div><div>=A0 I have reviewed this I=
-D multiple times (different versions) and</div><div>=A0 have worked with t=
he authors in updating and improving it. This</div>
<div>=A0 version of the document is ready for IESG review and publication.<=
/div><div><br></div><div><br></div><div>(4) Does the document Shepherd have=
 any concerns about the depth or</div><div>breadth of the reviews that have=
 been performed?=A0</div>
<div><br></div><div>=A0 No.</div><div><br></div><div>(5) Do portions of the=
 document need review from a particular or from</div><div>broader perspecti=
ve, e.g., security, operational complexity, AAA, DNS,</div><div>DHCP, XML, =
or internationalization? If so, describe the review that</div>
<div>took place.=A0</div><div><br></div><div>=A0 The I-D proposes a solutio=
n for prefix delegation by a mobile</div><div>=A0 router. There is no neces=
sity of a broader review from the</div><div>=A0 perspective of security, op=
erational complexity, DHCP, DNS or</div>
<div>=A0 internationalization. This specification inherits security and</di=
v><div>=A0 operational aspects from the base protocol (RFC5213).</div><div>=
<br></div><div>(6) Describe any specific concerns or issues that the Docume=
nt</div>
<div>Shepherd has with this document that the Responsible Area Director</di=
v><div>and/or the IESG should be aware of? For example, perhaps he or she i=
s</div><div>uncomfortable with certain parts of the document, or has concer=
ns</div>
<div>whether there really is a need for it. In any event, if the WG has</di=
v><div>discussed those issues and has indicated that it still wishes to</di=
v><div>advance the document, detail those concerns here.=A0</div><div><br>
</div><div>=A0 As document shepherd, I do not not have any concerns with th=
is</div><div>=A0 document.</div><div><br></div><div><br></div><div>(7) Has =
each author confirmed that any and all appropriate IPR</div><div>disclosure=
s required for full conformance with the provisions of BCP</div>
<div>78 and BCP 79 have already been filed. If not, explain why?=A0</div><d=
iv><br></div><div>All authors have confirmed that they are in full conforma=
nce of BCP 78</div><div>and 79.=A0</div><div>An IPR disclosure has been pro=
vided to the WG. See:</div>
<div><a href=3D"https://datatracker.ietf.org/ipr/2121/">https://datatracker=
.ietf.org/ipr/2121/</a></div><div><br></div><div><br></div><div>(8) Has an =
IPR disclosure been filed that references this document? If</div><div>so, s=
ummarize any WG discussion and conclusion regarding the IPR</div>
<div>disclosures.=A0</div><div><br></div><div>=A0 Yes. IPR disclosure has b=
een filed. The WG was notified about this</div><div>=A0 IPR disclosure and =
a last call conducted. The WG did not have any</div><div>=A0 comments or co=
ncerns expressed regarding the IPR disclosure.</div>
<div><br></div><div>(9) How solid is the WG consensus behind this document?=
 Does it</div><div>represent the strong concurrence of a few individuals, w=
ith others</div><div>being silent, or does the WG as a whole understand and=
 agree with it?=A0</div>
<div>=A0</div><div>=A0 There is strong WG consensus for publishing this I-D=
 as a proposed</div><div>=A0 standard. Consensus ia across the broader WG.=
=A0</div><div><br></div><div>(10) Has anyone threatened an appeal or otherw=
ise indicated extreme</div>
<div>discontent? If so, please summarise the areas of conflict in separate<=
/div><div>email messages to the Responsible Area Director. (It should be in=
 a</div><div>separate email because this questionnaire is publicly availabl=
e.)=A0</div>
<div><br></div><div>=A0 There has not been any extreme discontent by anyone=
 w.r.t this</div><div>=A0 I-D. There has been some opposition to this I-D, =
but this has been</div><div>=A0 limited to one WG member only and does not =
represent the broader WG</div>
<div>=A0 consensus.=A0</div><div><br></div><div>(11) Identify any ID nits t=
he Document Shepherd has found in this</div><div>document. (See <a href=3D"=
http://www.ietf.org/tools/idnits/">http://www.ietf.org/tools/idnits/</a> an=
d the</div>
<div>Internet-Drafts Checklist). Boilerplate checks are not enough; this</d=
iv><div>check needs to be thorough.=A0</div><div><br></div><div>I-D nits su=
mmary:</div><div>&quot;</div><div>=A0 Checking nits according to <a href=3D=
"http://www.ietf.org/id-info/checklist">http://www.ietf.org/id-info/checkli=
st</a> :</div>
<div>=A0 ------------------------------------------------------------------=
----------</div><div><br></div><div>=A0 =A0 =A0No issues found here.</div><=
div><br></div><div>&quot;</div><div><br></div><div>(12) Describe how the do=
cument meets any required formal review</div>
<div>criteria, such as the MIB Doctor, media type, and URI type reviews.=A0=
</div><div><br></div><div>=A0 The document does not specify a MIB, media ty=
pes of URI types and</div><div>=A0 hence does not require a review from exp=
erts in those areas.</div>
<div><br></div><div>(13) Have all references within this document been iden=
tified as</div><div>either normative or informative?=A0</div><div><br></div=
><div>=A0Yes.=A0</div><div><br></div><div>(14) Are there normative referenc=
es to documents that are not ready</div>
<div>for advancement or are otherwise in an unclear state? If such</div><di=
v>normative references exist, what is the plan for their completion?=A0</di=
v><div><br></div><div>No. All references in this I-D are published RFCs.</d=
iv>
<div><br></div><div><br></div><div>(15) Are there downward normative refere=
nces references (see RFC</div><div>3967)? If so, list these downward refere=
nces to support the Area</div><div>Director in the Last Call procedure.=A0<=
/div>
<div><br></div><div>=A0 No. There are no downward normative references.</di=
v><div><br></div><div><br></div><div>(16) Will publication of this document=
 change the status of any</div><div>existing RFCs? Are those RFCs listed on=
 the title page header, listed</div>
<div>in the abstract, and discussed in the introduction? If the RFCs are</d=
iv><div>not listed in the Abstract and Introduction, explain why, and point=
 to</div><div>the part of the document where the relationship of this docum=
ent to</div>
<div>the other RFCs is discussed. If this information is not in the</div><d=
iv>document, explain why the WG considers it unnecessary.=A0</div><div><br>=
</div><div>=A0 Publication of this document will not change the status of e=
xisting</div>
<div>=A0 RFCs including the Proxy Mobile IPv6 base protocol (RFC5213).</div=
><div><br></div><div><br></div><div>(17) Describe the Document Shepherd&#39=
;s review of the IANA</div><div>considerations section, especially with reg=
ard to its consistency with</div>
<div>the body of the document. Confirm that all protocol extensions that</d=
iv><div>the document makes are associated with the appropriate reservations=
 in</div><div>IANA registries. Confirm that any referenced IANA registries =
have been</div>
<div>clearly identified. Confirm that newly created IANA registries include=
</div><div>a detailed specification of the initial contents for the registr=
y,</div><div>that allocations procedures for future registrations are defin=
ed, and</div>
<div>a reasonable name for the new registry has been suggested (see RFC</di=
v><div>5226).=A0</div><div><br></div><div>=A0 The IANA considerations secti=
on specifies two actions for IANA. As</div><div>=A0 shepherd I have reviewe=
d the IANA considerations section and believe</div>
<div>=A0 that all relevant information has been included for IANA to act on=
.</div><div><br></div><div><br></div><div>(18) List any new IANA registries=
 that require Expert Review for</div><div>future allocations. Provide any p=
ublic guidance that the IESG would</div>
<div>find useful in selecting the IANA Experts for these new registries.=A0=
</div><div><br></div><div>=A0 No new IANA registries are required as a resu=
lt of this I-D.</div><div><br></div><div>(19) Describe reviews and automate=
d checks performed by the Document</div>
<div>Shepherd to validate sections of the document written in a formal</div=
><div>language, such as XML code, BNF rules, MIB definitions, etc.=A0</div>=
<div><br></div><div>=A0 The I-D does not include any XML code, BNF rules or=
 MIB</div>
<div>=A0 definitions.=A0</div><div><br></div><div><br></div>-- <br>Basavara=
j Patil
</div>

--047d7b471da48eda1e04e2495259--

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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [netext] Request to progress I-D: draft-ietf-netext-pd-pmip
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Hello Raj, NETEXTers,

Please allow me to comment on a few points below.

Le 25/07/2013 00:20, Basavaraj Patil a écrit :
>
> Hello,
>
> The Netext working group has completed the working group last call
> for I-D: Prefix Delegation Support for Proxy Mobile IPv6
> <draft-ietf-netext-pd-pmip-09>.
>
> The I-D is now ready for IESG review and approval. Below is the
> completed proto writeup.
>
> -Chairs
>
>
> (1) What type of RFC is being requested (BCP, Proposed Standard,
> Internet Standard, Informational, Experimental, or Historic)? Why is
>  this the proper type of RFC? Is this type of RFC indicated in the
> title page header?
>
> Proposed Standard. Type of RFC is indicated in the title page
> header.
>
>
> (2) The IESG approval announcement includes a Document Announcement
> Write-Up. Please provide such a Document Announcement Write-Up.
> Recent examples can be found in the "Action" announcements for
> approved documents. The approval announcement contains the following
> sections:
>
> Technical Summary:
>
> This specification defines extensions to Proxy Mobile IPv6 protocol
> for allowing a mobile router in a Proxy Mobile IPv6 domain to obtain
>  delegated IP prefixes for its attached mobile networks.  The
> mobility entities in the network will provide network-based mobility
>  management support for those delegated IP prefixes just as how IP
> mobility support is provided for the mobile node's home address.
> Even as the mobile router performs a handoff and changes its network
> point of attachment, mobility support is ensured for all the
> delegated IP prefixes and for all the IP nodes in the mobile network
> that use IP address configuration from those delegated IP prefixes.
>
> Working Group Summary:
>
> The working group has discussed this I-D at length. Comments by
> Alexandru Petrescu
> (http://www.ietf.org/mail-archive/web/netext/current/msg02815.html)
> claimed that the proposal was similar to work being done in other
> working groups. However the working group members believe that this
> extension is essential for Proxy Mobile IPv6 and hence needs to be
> published on its own.

YEs, this summarizes what was discussed.

I would like to reiterate the points I would like to understand: what is
the goal of this draft?

If the goal is to support network mobility in a 3GPP domain, then until
DHCPv6-PD gets deployed, that is already achieved with 64share (see
v6ops WG for the item 64share and reports of widespread implementations).

Why Mobile Routers and moving networks at all, instead of simply mobile
terminals?  Are the deployments more of a kind of personal mobile
hotspot?  Or more vehicular networks?

These are the points I am trying to make.

[...]

> (7) Has each author confirmed that any and all appropriate IPR
> disclosures required for full conformance with the provisions of BCP
>  78 and BCP 79 have already been filed. If not, explain why?
>
> All authors have confirmed that they are in full conformance of BCP
> 78 and 79. An IPR disclosure has been provided to the WG. See:
> https://datatracker.ietf.org/ipr/2121/
>
>
> (8) Has an IPR disclosure been filed that references this document?
> If so, summarize any WG discussion and conclusion regarding the IPR
> disclosures.
>
> Yes. IPR disclosure has been filed. The WG was notified about this
> IPR disclosure and a last call conducted. The WG did not have any
> comments or concerns expressed regarding the IPR disclosure.

For sake of completeness, let me add a few points here.

First, I do not have concerns regarding advancing this draft given the
current known IPR situation, as long as the licensing scheme is the
typical practice at IETF (RAND or similar).  For that I may need to
discuss with our local attorney.

Second, for doubt, in my non-lawyer interpretation, I wonder whether
there may be other IPR documents which may apply to the use of Mobile
Routers in a PMIPv6 domain, e.g.:

WO2009014318, "...MANAGING MOBILE ROUTER IN PROXY MOBILE INTERNET
PROTOCOL VERSION 6 DOMAIN".

Finally, here I am with our IPR department in the process of applying
for another intellectual property, which may be relevant.  The draft is
draft-petrescu-netext-pmip-nemo-01.  The advancement status of this
application is confidential at this time.

Alex


From brian@innovationslab.net  Thu Jul 25 07:04:32 2013
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Date: Thu, 25 Jul 2013 10:04:26 -0400
From: Brian Haberman <brian@innovationslab.net>
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Subject: Re: [netext] Fwd: AD Evaluation : draft-ietf-netext-update-notifications
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All,
      I just want to notify the WG of a slight change in the processing 
of this document.  Normally, as the document goes through IESG review 
and discussion, the document authors, WG chairs, and draft shepherd are 
copied on all correspondence.  For this draft, we will be experimenting 
with also having the WG mailing list copied on the discussion.

      The goal is to have as much transparency as possible into the 
review and publication process.  Having the WG mailing list copied will 
allow everyone to see (and comment on) feedback from directorate and AD 
reviews.  Once the publication process is complete, I would invite you 
to send me any and all feedback you might have on this change.

Regards,
Brian

On 7/24/13 2:20 PM, Brian Haberman wrote:
>
>
>
> -------- Original Message --------
> Subject: AD Evaluation : draft-ietf-netext-update-notifications
> Date: Wed, 24 Jul 2013 14:16:26 -0400
> From: Brian Haberman <brian@innovationslab.net>
> To: netext-chairs@tools.ietf.org <netext-chairs@tools.ietf.org>,
> draft-ietf-netext-update-notifications@tools.ietf.org
>
> All,
>       I have performed my AD evaluation of
> draft-ietf-netext-update-notifications as a part of the RFC publication
> process.  Thank you for a well-written document.  The following
> comments/questions need to be addressed prior to issuing an IETF Last
> Call for the draft.  Please let me know if there is any clarification I
> can provide on these comments.
>
> * Introduction
>
> - The 2nd sentence in the 2nd paragraph is clunky.  I finally figured
> out that what it is trying to say is that the MAG proxies all MIPv6
> signaling on behalf of the mobile node and the LMA acts as a MIPv6 home
> agent.  I would suggest re-writing the sentence to be clearer for those
> readers who are not experts in the mobility protocols.
>
> - The last sentence of the 2nd paragraph should say that PMIPv6 does not
> *currently* have an LMA-to-MAG signaling mechanism.
>
> - The first sentence in the 3rd paragraph is missing an article.  I
> believe it should be "... re-register the mobility session..."
>
> - The last sentence in the 3rd paragraph that discusses the use of
> existing headers is confusing.  It starts off by saying it is possible
> to use existing headers for this signaling and ends by saying they can't
> be used.
>
> * Section 4
>
> - Is there any guidance needed on managing the wrapping of the Sequence
> #'s?
>
> - Is it worth mentioning the Pad1 and PadN options given the alignment
> requirements?
>
> - Are there informative references that could be added for mobility
> options other than the vendor-specific ones?
>
> * Section 5
>
> - The last bullet is extraneous since it simply points to the very next
> sub-section.
>
> - Can you provide an example of where an LMA would not request an ACK
> for a UPN?
>
> - I assume that the sequence numbers used in these messages are the same
> sequence numbers used for other PMIPv6/MIPv6 messages.  It might be
> worthwhile to mention that, if it is true.
>
> * Section 5.2
>
> - I am surprised by the use of SHOULD (SHOULD NOT) for re-transmission
> rules.  When would you expect these rules to be ignored?
>
> * Section 6.1
>
> - The 2nd bullet is useless.  If an implementation does not support
> these messages, they wouldn't know to look here for responses.  The base
> PMIPv6 spec covers the response message for unknown message types.
>
> - Should there be any validation performed on the sequence number?
>
> * IANA
>
> - I would like to see some more guidance given to IANA on where the new
> registries should be placed in their protocol hierarchy.
>
> Regards,
> Brian
>
>
> _______________________________________________
> netext mailing list
> netext@ietf.org
> https://www.ietf.org/mailman/listinfo/netext


From sgundave@cisco.com  Sat Jul 27 16:09:52 2013
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To: Brian Haberman <brian@innovationslab.net>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] Fwd: AD Evaluation : draft-ietf-netext-update-notifications
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Hi Brian,

Thanks for the review comments. Please see inline.




On 7/24/13 11:20 AM, "Brian Haberman" <brian@innovationslab.net> wrote:

>
>
>
>-------- Original Message --------
>Subject: AD Evaluation : draft-ietf-netext-update-notifications
>Date: Wed, 24 Jul 2013 14:16:26 -0400
>From: Brian Haberman <brian@innovationslab.net>
>To: netext-chairs@tools.ietf.org <netext-chairs@tools.ietf.org>,
>draft-ietf-netext-update-notifications@tools.ietf.org
>
>All,
>      I have performed my AD evaluation of
>draft-ietf-netext-update-notifications as a part of the RFC publication
>process.  Thank you for a well-written document.  The following
>comments/questions need to be addressed prior to issuing an IETF Last
>Call for the draft.  Please let me know if there is any clarification I
>can provide on these comments.
>
>* Introduction
>
>- The 2nd sentence in the 2nd paragraph is clunky.  I finally figured
>out that what it is trying to say is that the MAG proxies all MIPv6
>signaling on behalf of the mobile node and the LMA acts as a MIPv6 home
>agent.  I would suggest re-writing the sentence to be clearer for those
>readers who are not experts in the mobility protocols.



OK. Will reword that sentence/paragraph.


>
>- The last sentence of the 2nd paragraph should say that PMIPv6 does not
>*currently* have an LMA-to-MAG signaling mechanism.


Sure.

>
>- The first sentence in the 3rd paragraph is missing an article.  I
>believe it should be "... re-register the mobility session..."


Ok. Sure

>
>- The last sentence in the 3rd paragraph that discusses the use of
>existing headers is confusing.  It starts off by saying it is possible
>to use existing headers for this signaling and ends by saying they can't
>be used.

Will reword it.


>
>* Section 4
>
>- Is there any guidance needed on managing the wrapping of the Sequence
>#'s?

We just require some random number, without collusions. We can add some
text to say how to manage that field.



>
>- Is it worth mentioning the Pad1 and PadN options given the alignment
>requirements?


That was implied with all options. But, its probably good to include some
text.


>
>- Are there informative references that could be added for mobility
>options other than the vendor-specific ones?


Potentially some some new work items that we can point to. If there are
Active I-D's will add a reference.



>
>* Section 5
>
>- The last bullet is extraneous since it simply points to the very next
>sub-section.


Agree. Will remove it


>
>- Can you provide an example of where an LMA would not request an ACK
>for a UPN?


Message String extension. LMA sending some status messages related to the
service its offering. These service message may not need Ack's.

Also, a UPN message with NR=3DRE-register may not need a Ack messages. The
LMA after sending the UPN message with that NR code can wait the PBU
message.




>
>- I assume that the sequence numbers used in these messages are the same
>sequence numbers used for other PMIPv6/MIPv6 messages.  It might be
>worthwhile to mention that, if it is true.

This is a good point. We did not say one way, or the other. Will clarify
it.



>
>* Section 5.2
>
>- I am surprised by the use of SHOULD (SHOULD NOT) for re-transmission
>rules.  When would you expect these rules to be ignored?



Ok. Will review this again.





>
>* Section 6.1
>
>- The 2nd bullet is useless.  If an implementation does not support
>these messages, they wouldn't know to look here for responses.  The base
>PMIPv6 spec covers the response message for unknown message types.

This is about LMA sending a UPN message to a MAG that does not support and
how to deal with that scenario.
If the response to a UPN message is a Binding Error message, then the LMA
can be forced not to send any more UPN messages.


>
>- Should there be any validation performed on the sequence number?

Exact considerations from 6275 apply here. Its just for matching the
request to the response. Will review the text related to this field.



>
>* IANA
>
>- I would like to see some more guidance given to IANA on where the new
>registries should be placed in their protocol hierarchy.


Ok. Will review this

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


From brian@innovationslab.net  Mon Jul 29 00:44:00 2013
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Hi Sri,
      I have deleted those points where there is no additional 
discussion needed...

On 7/27/13 7:09 PM, Sri Gundavelli (sgundave) wrote:
>> * Section 4
>>
>> - Is there any guidance needed on managing the wrapping of the Sequence
>> #'s?
>
> We just require some random number, without collusions. We can add some
> text to say how to manage that field.
>

Ok.  Just ensure that the descriptive text does not impact the Sequence 
# usage defined in the base PMIPv6 spec.

>>
>> - Are there informative references that could be added for mobility
>> options other than the vendor-specific ones?
>
>
> Potentially some some new work items that we can point to. If there are
> Active I-D's will add a reference.
>

That would be useful.  Just make sure they are informative references so 
that this spec does not get held up on a reference to an I-D.

>>
>> - Can you provide an example of where an LMA would not request an ACK
>> for a UPN?
>
>
> Message String extension. LMA sending some status messages related to the
> service its offering. These service message may not need Ack's.
>
> Also, a UPN message with NR=RE-register may not need a Ack messages. The
> LMA after sending the UPN message with that NR code can wait the PBU
> message.
>

So, is it worth mentioning these in the draft?  It seems that the LMA is 
in full control of whether an ACK is needed, but it *could* be useful to 
describe the *types* of options that do not need an ACK.

I am not insisting on this.  Just trying to see if such an addition 
would make the spec easier to understand/implement.

>>
>> * Section 5.2
>>
>> - I am surprised by the use of SHOULD (SHOULD NOT) for re-transmission
>> rules.  When would you expect these rules to be ignored?
>
>
>
> Ok. Will review this again.
>

If the SHOULDs are appropriate, it would be good to describe a scenario 
(or type of scenaro) where the SHOULD would be ignored.

>>
>> * Section 6.1
>>
>> - The 2nd bullet is useless.  If an implementation does not support
>> these messages, they wouldn't know to look here for responses.  The base
>> PMIPv6 spec covers the response message for unknown message types.
>
> This is about LMA sending a UPN message to a MAG that does not support and
> how to deal with that scenario.
> If the response to a UPN message is a Binding Error message, then the LMA
> can be forced not to send any more UPN messages.
>

Given that section 6.1 talks about MAG considerations, it seemed odd to 
describe how the MAG is supposed to respond if it doesn't support this 
function.

Regards,
Brian


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From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: Brian Haberman <brian@innovationslab.net>
Thread-Topic: [netext] Fwd: AD Evaluation : draft-ietf-netext-update-notifications
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Hi Brian,

Please see inline.


On 7/29/13 12:43 AM, "Brian Haberman" <brian@innovationslab.net> wrote:

>Hi Sri,
>      I have deleted those points where there is no additional
>discussion needed...
>
>On 7/27/13 7:09 PM, Sri Gundavelli (sgundave) wrote:
>>> * Section 4
>>>
>>> - Is there any guidance needed on managing the wrapping of the Sequence
>>> #'s?
>>
>> We just require some random number, without collusions. We can add some
>> text to say how to manage that field.
>>
>
>Ok.  Just ensure that the descriptive text does not impact the Sequence
># usage defined in the base PMIPv6 spec.


Ok

>
>>>
>>> - Are there informative references that could be added for mobility
>>> options other than the vendor-specific ones?
>>
>>
>> Potentially some some new work items that we can point to. If there are
>> Active I-D's will add a reference.
>>
>
>That would be useful.  Just make sure they are informative references so
>that this spec does not get held up on a reference to an I-D.


Ok

>
>>>
>>> - Can you provide an example of where an LMA would not request an ACK
>>> for a UPN?
>>
>>
>> Message String extension. LMA sending some status messages related to
>>the
>> service its offering. These service message may not need Ack's.
>>
>> Also, a UPN message with NR=3DRE-register may not need a Ack messages. T=
he
>> LMA after sending the UPN message with that NR code can wait the PBU
>> message.
>>
>
>So, is it worth mentioning these in the draft?  It seems that the LMA is
>in full control of whether an ACK is needed, but it *could* be useful to
>describe the *types* of options that do not need an ACK.


IMO, this may not be needed, unless the protocol definition is incorrect.
But, we can add a statement or two explaining as when the LMA may choose
not to set the flag..in general terms.

>
>I am not insisting on this.  Just trying to see if such an addition
>would make the spec easier to understand/implement.
>
>>>
>>> * Section 5.2
>>>
>>> - I am surprised by the use of SHOULD (SHOULD NOT) for re-transmission
>>> rules.  When would you expect these rules to be ignored?
>>
>>
>>
>> Ok. Will review this again.
>>
>
>If the SHOULDs are appropriate, it would be good to describe a scenario
>(or type of scenaro) where the SHOULD would be ignored.


Ok

>
>>>
>>> * Section 6.1
>>>
>>> - The 2nd bullet is useless.  If an implementation does not support
>>> these messages, they wouldn't know to look here for responses.  The
>>>base
>>> PMIPv6 spec covers the response message for unknown message types.
>>
>> This is about LMA sending a UPN message to a MAG that does not support
>>and
>> how to deal with that scenario.
>> If the response to a UPN message is a Binding Error message, then the
>>LMA
>> can be forced not to send any more UPN messages.
>>
>
>Given that section 6.1 talks about MAG considerations, it seemed odd to
>describe how the MAG is supposed to respond if it doesn't support this
>function.

Let me check on this. Will fix it.

Will post the updated document this week.

Regards
Sri
>


From charliep@computer.org  Mon Jul 29 01:56:02 2013
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Subject: Re: [netext] Comments on I-D:draft-wakikawa-netext-pmip-cp-up-separation
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Hello folks,

The problem isn't just for PMIP, but also for MIP.  Here's a draft
from a couple of years ago with some different details.
http://tools.ietf.org/id/draft-perkins-mext-hatunaddr-01.txt

Regards,
Charlie P.


On 7/16/2013 3:56 PM, Ryuji Wakikawa wrote:
> Hi Raj,
>
> Thanks for the comments.
> I remember Vijay's proposal and found his slide;-)
> http://www.ietf.org/proceedings/73/slides/netlmm-4.pdf
> I should probably reuse his slide in Berlin;-)
>
> The idea is around for a while. We should standardise an extension now so that PMIP can be deployed more.
>
> thanks,
> ryuji
>
> On Jul 17, 2013, at 7:23 AM, Basavaraj Patil <bpatil1@gmail.com> wrote:
>
>> Hi Ryuji,
>>
>> The idea of splitting the CP and UP for PMIP6 has been around for quite a while.
>> In fact if I were to recollect, Vijay D. had proposed this during the development of the PMIP6 protocol in Netlmm.
>>
>> Its a good idea to allow the protocol to optionally have a separate CP/UP between the MAG and LMA. It would essentially be equivalent to 3GPPs GTP-C and GTP-U.
>>
>> The draft itself is preliminary and hopefully will be improved if the WG decides to adopt it.
>> Looking forward to the presentation/discussion in Berlin.
>>
>> -Raj
>>
>> -- 
>> Basavaraj Patil
>> _______________________________________________
>> 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
>


-- 
Regards,
Charlie P.


From cjbc@it.uc3m.es  Mon Jul 29 03:55:31 2013
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From: Carlos =?ISO-8859-1?Q?Jes=FAs?= Bernardos Cano <cjbc@it.uc3m.es>
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Subject: [netext] Network-based DMM demo at IETF 87 (Tue 17:00 "Check" room)
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Dear all,

(Apologies for the cross-posting).

We will show a network-based DMM Linux implementation demo tomorrow
(Tuesday, 30th July) at 17h, in "Check" room (2nd floor).

The demo will showcase a particular use-case as an example of the
advantages provided by DMM: Content Distribution Networking (CDN) and
Distributed Mobility Management (DMM).

The setup is composed of three "anchor routers", a "centralized LMA" for
control plane, CDN cache nodes co-located with the anchor routers, some
correspondent nodes (including a video server) and a legacy IPv6 mobile
node. The implementation is based on the following two drafts:

[1] http://tools.ietf.org/html/draft-bernardos-dmm-pmip

[2] http://tools.ietf.org/html/draft-bernardos-dmm-distributed-anchoring

The demo will take about 20 to 30 minutes.

Looking forward to seeing you there and getting your feedback.

Thanks,

Carlos et al.


From charliep@computer.org  Tue Jul 30 02:41:25 2013
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Subject: [netext] Comments on draft-ietf-netext-pmip6-qos-02
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Hello folks,

I have numerous comments, from editorial to technical,
on draft-ietf-netext-pmip6-qos-02.  I've been meaning to
extract them from the attached file for a more normal
email discussion format, but maybe it's anyway better to
have the nice format showing the differences.

If desired, I can format the major questions as issues for
the issue tracker.  If the attached file is a terrible way to
submit comments, please let me know.

-- 
Regards,
Charlie P.


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From cjbc@it.uc3m.es  Tue Jul 30 07:07:58 2013
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From: Carlos =?ISO-8859-1?Q?Jes=FAs?= Bernardos Cano <cjbc@it.uc3m.es>
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Date: Tue, 30 Jul 2013 16:07:49 +0200
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Subject: Re: [netext] Network-based DMM demo at IETF 87 (Tue 17:00 "Check" room)
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Hi,

Please note that today's DMM demo at 17h is in the "Check" room, 2nd
floor. If you don't know how to find, please look at the floor plans:

http://www.ietf.org/meeting/87/floor-plans.pdf

Thanks,

Carlos

On Mon, 2013-07-29 at 12:55 +0200, Carlos JesÃºs Bernardos Cano wrote:
> Dear all,
> 
> (Apologies for the cross-posting).
> 
> We will show a network-based DMM Linux implementation demo tomorrow
> (Tuesday, 30th July) at 17h, in "Check" room (2nd floor).
> 
> The demo will showcase a particular use-case as an example of the
> advantages provided by DMM: Content Distribution Networking (CDN) and
> Distributed Mobility Management (DMM).
> 
> The setup is composed of three "anchor routers", a "centralized LMA" for
> control plane, CDN cache nodes co-located with the anchor routers, some
> correspondent nodes (including a video server) and a legacy IPv6 mobile
> node. The implementation is based on the following two drafts:
> 
> [1] http://tools.ietf.org/html/draft-bernardos-dmm-pmip
> 
> [2] http://tools.ietf.org/html/draft-bernardos-dmm-distributed-anchoring
> 
> The demo will take about 20 to 30 minutes.
> 
> Looking forward to seeing you there and getting your feedback.
> 
> Thanks,
> 
> Carlos et al.



