
From nobody Tue Sep  2 15:30:55 2014
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Subject: [netext] Stephen Farrell's No Objection on draft-ietf-netext-pmip-cp-up-separation-07: (with COMMENT)
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Stephen Farrell has entered the following ballot position for
draft-ietf-netext-pmip-cp-up-separation-07: No Objection

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----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------


Thanks for addressing my discuss points.



From nobody Wed Sep  3 06:09:59 2014
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Subject: [netext] Protocol Action: 'Separation of Control and User Plane for Proxy Mobile IPv6' to Proposed Standard (draft-ietf-netext-pmip-cp-up-separation-07.txt)
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The IESG has approved the following document:
- 'Separation of Control and User Plane for Proxy Mobile IPv6'
  (draft-ietf-netext-pmip-cp-up-separation-07.txt) as Proposed Standard

This document is the product of the Network-Based Mobility Extensions
Working Group.

The IESG contact persons are Brian Haberman and Ted Lemon.

A URL of this Internet Draft is:
http://datatracker.ietf.org/doc/draft-ietf-netext-pmip-cp-up-separation/




Technical Summary:

   This document specifies a method to split the Control Plane (CP) and
   User Plane (UP) for a Proxy Mobile IPv6 based network infrastructure.
   Existing specifications allow a Mobile Access Gateway (MAG) to
   separate its control and user plane using the Alternate Care of
   address mobility option for IPv6, or Alternate IPv4 Care of Address
   option for IPv4.  However, the current specification does not provide
   any mechanism allowing the Local Mobility Anchor (LMA) to perform an
   analogous functional split.  To remedy that shortcoming, this
   document specifies a mobility option enabling a LMA to provide an
   alternate LMA address to be used for the bi-directional user plane
   traffic between the MAG and LMA.  With this new option, a LMA will be
   able to use an IP address for its user plane which is different than
   the IP address used for the control plane.

Working Group Summary:

Was there anything in WG process that is worth noting? For example,
was there controversy about particular points or were there decisions
where the consensus was particularly rough? 

This document has sailed through the WG process because the problem
that it aims to solve is clear and has strong consensus among the WG
members. 

Document Quality:

Are there existing implementations of the protocol? Have a significant
number of vendors indicated their plan to implement the specification?
Are there any reviewers that merit special mention as having done a
thorough review, e.g., one that resulted in important changes or a
conclusion that the document had no substantive issues? If there was a
MIB Doctor, Media Type or other expert review, what was its course
(briefly)? In the case of a Media Type review, on what date was the
request posted? 

No known implementations of the protocol exist at this time. No
vendors have expressly stated a plan to implement this specification
either. 
The I-D acknowledges the reviewers who have helped improve the I-D.

Personnel:

Document Shepherd: Basavaraj Patil
Responsible AD: Brian Haberman


From nobody Wed Sep  3 23:09:48 2014
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Subject: [netext] I-D Action: draft-ietf-netext-logical-interface-support-10.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Network-Based Mobility Extensions Working Group of the IETF.

        Title           : Logical Interface Support for multi-mode IP Hosts
        Authors         : Telemaco Melia
                          Sri Gundavelli
	Filename        : draft-ietf-netext-logical-interface-support-10.txt
	Pages           : 19
	Date            : 2014-09-03

Abstract:
   A Logical Interface is a software semantic internal to the host
   operating system.  This semantic is available in all popular
   operating systems and is used in various protocol implementations.
   The Logical Interface support is required on the mobile node
   operating in a Proxy Mobile IPv6 domain, for leveraging various
   network-based mobility management features such as inter-technology
   handoffs, multihoming and flow mobility support.  This document
   explains the operational details of Logical Interface construct and
   the specifics on how the link-layer implementations hide the physical
   interfaces from the IP stack and from the network nodes on the
   attached access networks.  Furthermore, this document identifies the
   applicability of this approach to various link-layer technologies and
   analyzes the issues around it when used in context with various
   mobility management features.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-netext-logical-interface-support/

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From nobody Mon Sep  8 06:52:23 2014
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Subject: [netext] I-D Action: draft-ietf-netext-ani-location-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Network-Based Mobility Extensions Working Group of the IETF.

        Title           : Extensions to the PMIPv6 Access Network Identifier Option
        Authors         : Rajesh S. Pazhyannur
                          Sebastian Speicher
                          Sri Gundavelli
                          Jouni Korhonen
                          John Kaippallimalil
	Filename        : draft-ietf-netext-ani-location-03.txt
	Pages           : 11
	Date            : 2014-09-08

Abstract:
   Access Network Identifier (ANI) Mobility option was introduced in
   [RFC6757] enabling a MAG to convey identifiers like network
   identifier, geolocation, and operator identifier.  This specification
   extends the Access Network Identifier mobility option with sub-
   options to carry civic location and MAG group Identifier.  This
   specification also defines a ANI Update timer sub-option that
   determines when and how often the ANI will be updated.


The IETF datatracker status page for this draft is:
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From nobody Tue Sep  9 13:00:00 2014
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From: Rajeev Koodli <rajeev.koodli@gmail.com>
To: "netext@ietf.org" <netext@ietf.org>
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Subject: [netext] Addition of text for IANA section of WiFi-EAP Attributes draft
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--f46d043c7f0405fe130502a7610a
Content-Type: text/plain; charset=UTF-8

Hello folks,

background: draft-ietf-netext-wifi-epc-eap-attributes specifies a new IANA
registry for EAP attributes, with a Specification Required clause. Jouni
and Pierrick have agreed to be the Designated Experts for future IANA
requests for assignments.

proposal: the following text is proposed for the IANA Designated Expert's
review of future requests for EAP attribute assignments from the
above-mentioned registry. This text is a guidance for IANA, and I am
including here for WG information.

"The Designated Expert should review the requirements for new assignments
based on factors including, but not limited to, the source of request
(e.g., standards bodies), deployment needs (e.g., industry consortium,
operator community) and experimental needs (e.g., academia, industrial
labs). A document outlining the purpose of new assignments should accompany
the request. Such a document could be a standards document, or a research
project description. The Designated Expert should consider that there is
sufficient evidence of potential usage both on the end-points (e.g., Mobile
Devices etc.) and the infrastructure (e.g., AAA servers, gateways etc.)"

Please let me know if you have any comments.

Thanks.

-Rajeev

--f46d043c7f0405fe130502a7610a
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><div>Hello folks,</div><div><br></div><div>background:=
 draft-ietf-netext-wifi-epc-eap-attributes specifies a new IANA registry fo=
r EAP attributes, with a Specification Required clause. Jouni and Pierrick =
have agreed to be the Designated Experts for future IANA requests for assig=
nments.=C2=A0</div><div><br></div><div>proposal: the following text is prop=
osed for the IANA Designated Expert&#39;s review of future requests for EAP=
 attribute assignments from the above-mentioned registry.=C2=A0<span style=
=3D"font-family:arial,sans-serif;font-size:13px">This text is a guidance fo=
r IANA, and I am including here for WG information.=C2=A0</span></div><div>=
<br></div><div><span style=3D"font-family:arial,sans-serif;font-size:13px">=
&quot;The Designated Expert should review the requirements for new assignme=
nts based on factors including, but not limited to, the source of request (=
e.g., standards bodies), deployment needs (e.g., industry consortium, opera=
tor community) and experimental needs (e.g., academia, industrial labs). A =
document outlining the purpose of new assignments should accompany the requ=
est. Such a document could be a standards document, or a research project d=
escription. The Designated Expert should consider that there is sufficient =
evidence of potential usage both on the end-points (e.g., Mobile Devices et=
c.) and the infrastructure (e.g., AAA servers, gateways etc.)&quot;</span><=
br></div><div><span style=3D"font-family:arial,sans-serif;font-size:13px"><=
br></span></div><div><span style=3D"font-family:arial,sans-serif;font-size:=
13px">Please let me know if you have any comments.</span><br></div><div><sp=
an style=3D"font-family:arial,sans-serif;font-size:13px"><br></span></div><=
div><span style=3D"font-family:arial,sans-serif;font-size:13px">Thanks.</sp=
an></div><div><span style=3D"font-family:arial,sans-serif;font-size:13px"><=
br></span></div><div><span style=3D"font-family:arial,sans-serif;font-size:=
13px">-Rajeev</span></div><div><span style=3D"font-family:arial,sans-serif;=
font-size:13px"><br></span></div></div>

--f46d043c7f0405fe130502a7610a--


From nobody Sun Sep 14 13:16:41 2014
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From: "Riegel, Maximilian (NSN - DE/Munich)" <maximilian.riegel@nsn.com>
To: "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support-09
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Date: Sun, 14 Sep 2014 20:16:29 +0000
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Subject: Re: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support-09
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From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: "Riegel, Maximilian (NSN - DE/Munich)" <maximilian.riegel@nsn.com>, "netext@ietf.org" <netext@ietf.org>
Thread-Topic: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support-09
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Subject: Re: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support-09
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Hi Max,

Thanks. We still have to address your comments from prev review. Will take =
care of this comments in =9610 version.


Regards
Sri


From: <Riegel>, "Maximilian (NSN - DE/Munich)" <maximilian.riegel@nsn.com<m=
ailto:maximilian.riegel@nsn.com>>
Date: Sunday, September 14, 2014 1:16 PM
To: "netext@ietf.org<mailto:netext@ietf.org>" <netext@ietf.org<mailto:netex=
t@ietf.org>>
Cc: "draft-ietf-netext-logical-interface-support-09@tools.ietf.org<mailto:d=
raft-ietf-netext-logical-interface-support-09@tools.ietf.org>" <draft-ietf-=
netext-logical-interface-support-09@tools.ietf.org<mailto:draft-ietf-netext=
-logical-interface-support-09@tools.ietf.org>>
Subject: Re: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support=
-09

Hi,

I would like to provide a few review comments on the draft:

While strongly supporting that the I-D is moving forward and finally gettin=
g published as Informational RFC I found a number of shortcomings which sho=
uld be addressed before publication.


-    The overall structure is leading to replication of information and doe=
s not provide a clear story line. I would recommend a structure like

o    Introduction

o    Terminology

o    Problem statement

o    Link Layer interface behavior

o    Logical Interface Functional Description

o    Logical Interface Deployment Examples

-    (1. Introduction)

-    (2. Terminology)

o    IMHO, a PIF is the interface coming out of the host to the physical wo=
rld. I would recommend to clean up terminology to clearly identify the rele=
vant interfaces in the communication stack, e.g. by introduction of a 'Link=
 Interface' or even a 'Link SAP'. Taking a look into IEEE 802 specification=
s may help to find appropriate wording.

-    (3. Hiding Link-layer Technologies - Approaches and Applicability

o    Title is somewhat misleading; the topic is to enable an IP interface t=
o connect sequentially or simultaneous to multiple different 'Link SAPs'.

-   (3.2.1 Link Layer Abstraction - Approaches)

o    Abstraction is not really the issue; switching and multiplexing multip=
le links into one is the topic.

o    Text on IEEE 802 Link Layer support should focus not on PHY technologi=
es but on the differences in the 'Link SAPs'. IEEE 802.1AC may be of great =
help to understand the commonalities and differences of the SAPs among the =
different 802 technologies.

o    3GPP requires a much more comprehensive description here. TS23.401 pro=
vides a generic network architecture, but the details of the link interface=
s are specified within other documents.

o    A logical interface has not necessarily multiple physical interfaces b=
eneath. Neither is a logical interface bound to the applications mentioned =
in the I-D.

-    (3.2 Applicability Statement)

o    I wonder about the 'above solutions'. Which solutions? I see only list=
ing of common PHYs and technology terms ('connection manager', ANDSF). How =
do these relate to the solutions?

o    Both 'multi technology support' and 'sequential vs. simultaneous acces=
s' should be explained by a few sentences. At this location the terms are n=
ot self-explanatory yet.

o    I am not clear, what you would like to explain in this section. Someho=
w it looks like an extension to the 'link layer support' and 'logical inter=
face' paragraphs in the previous section.

-    (4. Technology Use Cases)

o    Looks like an repetition of information of the previous sections.

o    PPP vs. NBMA vs. BMA requires comprehensive considerations.

-    (5. Logical Interface Functional Details)

o    Logical Interface should be defined independent from physical wires, a=
s a logical interface may also be used with 'tunnels'.

o    I miss considerations about interface functions like ND/ARP/DHCP. Prob=
ably the I-D should make a reference to IPv6 node requirements (RFC 6434) a=
nd provide comments to all statements which require special treatment for t=
he LIF, e.g.

=A7  What are the issues coming up when combining a PPP link with an Ethern=
et link for one logical interface.

o    Is FLOW management mandatory for all kind of LIFs? I would guess, that=
 the specification text belongs to the 'simultaneous access' scenario, not =
to all scenarios.



-    Overall, I would appreciate more thorough considerations about the iss=
ues coming up when combining multiple different link types, e.g. switching =
between an Ethernet and a PPP link. What about reachability of other hosts =
on the Ethernet when selecting the PPP link? What about multicast services,=
 what about a mix of stateful and stateless auto configuration?

Bye
Max


From: netext [mailto:netext-bounces@ietf.org] On Behalf Of ext Basavaraj Pa=
til
Sent: Wednesday, August 27, 2014 16:27
To: netext@ietf.org<mailto:netext@ietf.org>
Cc: draft-ietf-netext-logical-interface-support-09@tools.ietf.org<mailto:dr=
aft-ietf-netext-logical-interface-support-09@tools.ietf.org>
Subject: [netext] WGLC: I-D draft-ietf-netext-logical-interface-support-09


Hello,

The WG I-D: Logical Interface Support for multi-mode IP Hosts
            <draft-ietf-netext-logical-interface-support-09>
is ready for working group last call.

This I-D is intended to be published as an Informational RFC.

Please treat this email as the start of the WGLC for this I-D.
The WGLC will end on Sept 15th, 2014. Please send your review comments to t=
he WG mailing list or the authors directly.

-Chairs

--
Basavaraj Patil

--_000_D03B8DF4164251sgundaveciscocom_
Content-Type: text/html; charset="Windows-1252"
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Content-Transfer-Encoding: quoted-printable

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ly: Calibri, sans-serif; ">
<div>Hi Max,</div>
<div><br>
</div>
<div>Thanks. We still have to address your comments from prev review. Will =
take care of this comments in =9610 version.</div>
<div><br>
</div>
<div><br>
</div>
<div>Regards</div>
<div>Sri</div>
<div><br>
</div>
<div><br>
</div>
<span id=3D"OLK_SRC_BODY_SECTION">
<div style=3D"font-family:Calibri; font-size:11pt; text-align:left; color:b=
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<span style=3D"font-weight:bold">From: </span>&lt;Riegel&gt;, &quot;Maximil=
ian (NSN - DE/Munich)&quot; &lt;<a href=3D"mailto:maximilian.riegel@nsn.com=
">maximilian.riegel@nsn.com</a>&gt;<br>
<span style=3D"font-weight:bold">Date: </span>Sunday, September 14, 2014 1:=
16 PM<br>
<span style=3D"font-weight:bold">To: </span>&quot;<a href=3D"mailto:netext@=
ietf.org">netext@ietf.org</a>&quot; &lt;<a href=3D"mailto:netext@ietf.org">=
netext@ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Cc: </span>&quot;<a href=3D"mailto:draft-i=
etf-netext-logical-interface-support-09@tools.ietf.org">draft-ietf-netext-l=
ogical-interface-support-09@tools.ietf.org</a>&quot; &lt;<a href=3D"mailto:=
draft-ietf-netext-logical-interface-support-09@tools.ietf.org">draft-ietf-n=
etext-logical-interface-support-09@tools.ietf.org</a>&gt;<br>
<span style=3D"font-weight:bold">Subject: </span>Re: [netext] WGLC: I-D dra=
ft-ietf-netext-logical-interface-support-09<br>
</div>
<div><br>
</div>
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<div lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; ">Hi,<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; ">I would like to provide a few review comments on the draft:<=
o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; ">While strongly supporting that the I-D is moving forward and=
 finally getting published as Informational
 RFC I found a number of shortcomings which should be addressed before publ=
ication.<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">The overall structure is leading t=
o replication of information and does not
 provide a clear story line. I would recommend a structure like <o:p></o:p>=
</span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Introduction<o:p></o:p></span></fo=
nt></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Terminology<o:p></o:p></span></fon=
t></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Problem statement<o:p></o:p></span=
></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Link Layer interface behavior<o:p>=
</o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Logical Interface Functional Descr=
iption<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Logical Interface Deployment Examp=
les<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(1. Introduction)<o:p></o:p></span=
></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(2. Terminology)<o:p></o:p></span>=
</font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">IMHO, a PIF is the interface comin=
g out of the host to the physical world.
 I would recommend to clean up terminology to clearly identify the relevant=
 interfaces in the communication stack, e.g. by introduction of a 'Link Int=
erface' or even a 'Link SAP'. Taking a look into IEEE 802 specifications ma=
y help to find appropriate wording.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(3. Hiding Link-layer Technologies=
 - Approaches and Applicability<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Title is somewhat misleading; the =
topic is to enable an IP interface to connect
 sequentially or simultaneous to multiple different 'Link SAPs'.<o:p></o:p>=
</span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;</span></font></span></span></font><!--[endif]--><fon=
t size=3D"1" color=3D"#2f5496" face=3D"Courier New"><span style=3D"font-siz=
e: 9pt; color: rgb(47, 84, 150); font-family: 'Courier New'; ">(3.2.1
 Link Layer Abstraction - Approaches)<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Abstraction is not really the issu=
e; switching and multiplexing multiple links
 into one is the topic.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Text on IEEE 802 Link Layer suppor=
t should focus not on PHY technologies but
 on the differences in the 'Link SAPs'. IEEE 802.1AC may be of great help t=
o understand the commonalities and differences of the SAPs among the differ=
ent 802 technologies.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">3GPP requires a much more comprehe=
nsive description here. TS23.401 provides
 a generic network architecture, but the details of the link interfaces are=
 specified within other documents.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">A logical interface has not necess=
arily multiple physical interfaces beneath.
 Neither is a logical interface bound to the applications mentioned in the =
I-D.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(3.2 Applicability Statement)<o:p>=
</o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">I wonder about the 'above solution=
s'. Which solutions? I see only listing
 of common PHYs and technology terms ('connection manager', ANDSF). How do =
these relate to the solutions?<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Both 'multi technology support' an=
d 'sequential vs. simultaneous access' should
 be explained by a few sentences. At this location the terms are not self-e=
xplanatory yet.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">I am not clear, what you would lik=
e to explain in this section. Somehow it
 looks like an extension to the 'link layer support' and 'logical interface=
' paragraphs in the previous section.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(4. Technology Use Cases)<o:p></o:=
p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Looks like an repetition of inform=
ation of the previous sections.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">PPP vs. NBMA vs. BMA requires comp=
rehensive considerations.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">(5. Logical Interface Functional D=
etails)<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Logical Interface should be define=
d independent from physical wires, as a
 logical interface may also be used with 'tunnels'.<o:p></o:p></span></font=
></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">I miss considerations about interf=
ace functions like ND/ARP/DHCP. Probably
 the I-D should make a reference to IPv6 node requirements (RFC 6434) and p=
rovide comments to all statements which require special treatment for the L=
IF, e.g.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:108.0pt;text-indent:-18.=
0pt;mso-list:l0 level3 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Wingdin=
gs"><span style=3D"font-size:9.0pt;font-family:Wingdings;color:#2F5496"><sp=
an style=3D"mso-list:Ignore">=A7<font size=3D"1" face=3D"Times New Roman"><=
span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">What are the issues coming up when=
 combining a PPP link with an Ethernet link
 for one logical interface.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1">
<!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=3D"Courier=
 New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier New&quot;;co=
lor:#2F5496"><span style=3D"mso-list:Ignore">o<font size=3D"1" face=3D"Time=
s New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quot;">&nbsp;&=
nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Is FLOW management mandatory for a=
ll kind of LIFs? I would guess, that the
 specification text belongs to the 'simultaneous access' scenario, not to a=
ll scenarios.<o:p></o:p></span></font></p>
<p class=3D"MsoListParagraph" style=3D"margin-left:72.0pt"><font size=3D"1"=
 color=3D"#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; colo=
r: rgb(47, 84, 150); font-family: 'Courier New'; "><o:p>&nbsp;</o:p></span>=
</font></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><!--[if !supportLists]--><font size=3D"1" color=3D"#2f5496" face=
=3D"Courier New"><span style=3D"font-size:9.0pt;font-family:&quot;Courier N=
ew&quot;;color:#2F5496"><span style=3D"mso-list:Ignore">-<font size=3D"1" f=
ace=3D"Times New Roman"><span style=3D"font:7.0pt &quot;Times New Roman&quo=
t;">&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><!--[endif]--><font size=3D"1" color=3D"=
#2f5496" face=3D"Courier New"><span style=3D"font-size: 9pt; color: rgb(47,=
 84, 150); font-family: 'Courier New'; ">Overall, I would appreciate more t=
horough considerations about the issues
 coming up when combining multiple different link types, e.g. switching bet=
ween an Ethernet and a PPP link. What about reachability of other hosts on =
the Ethernet when selecting the PPP link? What about multicast services, wh=
at about a mix of stateful and stateless
 auto configuration?<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; ">Bye<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; ">Max<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"1" color=3D"#2f5496" face=3D"Courier N=
ew"><span style=3D"font-size: 9pt; color: rgb(47, 84, 150); font-family: 'C=
ourier New'; "><o:p>&nbsp;</o:p></span></font></p>
<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Calibri"><span style=3D"=
font-size: 11pt; font-weight: bold; font-family: Calibri, sans-serif; ">Fro=
m:</span></font></b><font size=3D"2" face=3D"Calibri"><span style=3D"font-s=
ize: 11pt; font-family: Calibri, sans-serif; ">
 netext [<a href=3D"mailto:netext-bounces@ietf.org">mailto:netext-bounces@i=
etf.org</a>]
<b><span style=3D"font-weight:bold">On Behalf Of </span></b>ext Basavaraj P=
atil<br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Wednesday, August 27, =
2014 16:27<br>
<b><span style=3D"font-weight:bold">To:</span></b> <a href=3D"mailto:netext=
@ietf.org">
netext@ietf.org</a><br>
<b><span style=3D"font-weight:bold">Cc:</span></b> <a href=3D"mailto:draft-=
ietf-netext-logical-interface-support-09@tools.ietf.org">
draft-ietf-netext-logical-interface-support-09@tools.ietf.org</a><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> [netext] WGLC: I-D =
draft-ietf-netext-logical-interface-support-09<o:p></o:p></span></font></p>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
<div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">Hello,<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">The WG I-D: Logical Interface Support for multi-mode=
 IP Hosts<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;draft-=
ietf-netext-logical-interface-support-09&gt;<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">is ready for working group last call.<o:p></o:p></sp=
an></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">This I-D is intended to be published as an Informati=
onal RFC.<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">Please treat this email as the start of the WGLC for=
 this I-D.&nbsp;<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">The WGLC will end on Sept 15th, 2014. Please send yo=
ur review comments to the WG mailing list or the authors directly.<o:p></o:=
p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">-Chairs<o:p></o:p></span></font></p>
</div>
<div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><o:p>&nbsp;</o:p></span></font></p>
</div>
<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">--
<br>
Basavaraj Patil <o:p></o:p></span></font></p>
</div>
</div>
</div>
</div>
</span>
</body>
</html>

--_000_D03B8DF4164251sgundaveciscocom_--


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Subject: [netext] I-D Action: draft-ietf-netext-wifi-epc-eap-attributes-12.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Network-Based Mobility Extensions Working Group of the IETF.

        Title           : EAP Attributes for Wi-Fi - EPC Integration
        Authors         : Ravi Valmikam
                          Rajeev Koodli
	Filename        : draft-ietf-netext-wifi-epc-eap-attributes-12.txt
	Pages           : 17
	Date            : 2014-09-15

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

   The EAP/AKA (and EAP/AKA') protocol is required for mobile devices to
   access the mobile Evolved Packet Core (EPC) via trusted Wi-Fi
   networks.  This document defines a few new EAP attributes to enable
   the above-mentioned functions in trusted Wi-Fi 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-12

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-netext-wifi-epc-eap-attributes-12


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

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


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--_000_D03D11DE1645D3sgundaveciscocom_
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Hi Authors:

I've reviewed the -01 version of Wi-Fi QoS document. Its is well written. I=
ts in a good shape. Few comments below.



Major Comment:

> Section 3: "However, there are no standards defined way for the AP to ini=
tiate a QoS service request to the MN."

I'm bit disappointed to see the removal of the support for network initiate=
d QoS set-up.  John, Rajesh and myself had several offline discussions on t=
his few months back; Here is my comment from earlier discussions. I'm not a=
sking the Authors to add the support for network-initiated dynamic QoS, but=
 I thought it will be good to get some feedback from others.

"I do not understand the 802.11 guys thinking on this entire StreamId busin=
ess. When I first looked at it this, I thought this is just a identifier us=
ed in Application signaling. But, when this is tied to .1Q, even the basic =
semantics on the StreamId length or how its used in the network is not clea=
r to me. Their view that the tag is global and can be enforced in the entir=
e network seems bit broken. But, that spec is not my area of expertise and =
so may be I missing the real intent here.

However, when I look at this from PMIP QoS point of view and with the goal =
of realizing end to end QoS, the QoS enforcement  in this context is on the=
 MAG/AP. QoS enforcement on the rest of the network (MAG to LMA) is PMIP is=
sue. If that is the baseline requirement, my point is what stops the UE or =
the MAG implementation to ignore the StreamId completely ? MAG and UE repre=
sent the two end points of the air interface and they both have the TFT.  S=
o, this entire streamId business is total non-sense, specially the key prot=
ocols such as SIP have no mapping. So, even if there is public OUI allocati=
on, I fail to understand how it fits in the overall scheme of things. So, m=
y initial suggestion was to workaround the StreamId and make the spec work.
"



Additional Comments:

> Introduction: "STA"
Please add a reference or explanation on "STA" term - Station; In general, =
please add references/explanations to all Wi-Fi terminology.

> "The Mean Data Rate does not include the MAC and PHY overheads [WMM1.2.0]=
"
 Some explanation can help.

> However, this document does not exclude
   various deployments including those where AP and WLC are separate
   nodes, or the MAG control and data planes are separate."

Should there any guidance on how the QoS parameters are negotiated/exchange=
d between AP and WLC in the split mode ?

> Section 1.2: TSPEC
Add a reference to TSPEC

> GBR, AMBR Terminology
You may want to add a reference to RFC 7222 Terminology section. There is e=
xplanation for GBR, AMBR and other parameters

> PMIPV6
Should be PMIPv6

> Handovers ?
I did not see much text on what happens to the QoS states after a MN's inte=
r-MAG handovers.

> Section 4.1
Please use "Traffic Class" in the table, instead of "DSCP"

> Error Code Mapping
RFC7222 defines couple of error codes. Its not clear how those error codes =
map to the Cause Codes in ADDTS Response. I saw just one Cause Code. Is tha=
t all ?

> Scope: Per-MN, Per-Session,
No discussion on the scope. Its unclear how the Per-Session, Per-MN attribu=
tes map to different Wi-Fi QoS elements

> Security Considerations
You may want to add some text on how WLAN security architecture can protect=
 the integrity of the QoS signaling messages on the air interface. The curr=
ent text may not be sufficient.


> References
Informative Reference to RFC 5213 and 5844 as the PBU/PBA messages are used=
 in call flows
Add a reference to UPN/UPA spec (RFC7077) as its used in call flows






--_000_D03D11DE1645D3sgundaveciscocom_
Content-Type: text/html; charset="us-ascii"
Content-ID: <DBC4F1756DE9564EA951910B86C4278F@emea.cisco.com>
Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif; ">
<div>Hi Authors:</div>
<div><br>
</div>
<div>I've reviewed the -01 version of Wi-Fi QoS document. Its is well writt=
en. Its in a good shape. Few comments below.</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Major Comment:</div>
<div><br>
</div>
<div>&gt; Section 3: &quot;However, there are no standards defined way&nbsp=
;for the AP to initiate a QoS service request to the MN.&quot;</div>
<div><br>
</div>
<div>I'm bit disappointed to see the removal of the support for network ini=
tiated QoS set-up. &nbsp;John, Rajesh and myself had several offline discus=
sions on this few months back; Here is my comment from earlier discussions.=
 I'm not asking the Authors to add the
 support for network-initiated dynamic QoS, but I thought it will be good t=
o get some feedback from others.</div>
<div><br>
</div>
<div>
<div>&quot;I do not understand the 802.11 guys thinking on this entire Stre=
amId business. When I first looked at it this, I thought this is just a ide=
ntifier used in Application signaling. But, when this is tied to .1Q, even =
the basic semantics on the StreamId length
 or how its used in the network is not clear to me. Their view that the tag=
 is global and can be enforced in the entire network seems bit broken. But,=
 that spec is not my area of expertise and so may be I missing the real int=
ent here.&nbsp;</div>
<div><br>
</div>
<div>However, when I look at this from PMIP QoS point of view and with the =
goal of realizing end to end QoS, the QoS enforcement &nbsp;in this context=
 is on the MAG/AP. QoS enforcement on the rest of the network (MAG to LMA) =
is PMIP issue. If that is the baseline
 requirement, my point is what stops the UE or the MAG implementation to ig=
nore the StreamId completely ? MAG and UE represent the two end points of t=
he air interface and they both have the TFT.&nbsp;&nbsp;So, this entire str=
eamId business is total non-sense, specially
 the key protocols such as SIP have no mapping. So, even if there is public=
 OUI allocation, I fail to understand how it fits in the overall scheme of =
things. So, my initial suggestion was to workaround the StreamId and make t=
he spec work.</div>
<div>&quot;&nbsp;</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Additional Comments:</div>
<div><br>
</div>
<div>&gt; Introduction: &quot;STA&quot;</div>
<div>Please add a reference or explanation on &quot;STA&quot; term - Statio=
n; In general, please add references/explanations to all Wi-Fi terminology.=
</div>
<div><br>
</div>
<div>&gt; &quot;The Mean Data&nbsp;Rate does not include the MAC and PHY ov=
erheads [WMM1.2.0]&quot;</div>
<div>&nbsp;Some explanation can help.</div>
<div><br>
</div>
<div>&gt;&nbsp;However, this document does not exclude</div>
<div>&nbsp; &nbsp;various deployments including those where AP and WLC are =
separate</div>
<div>&nbsp; &nbsp;nodes, or the MAG control and data planes are separate.&q=
uot;</div>
<div><br>
</div>
<div>Should there any guidance on how the QoS parameters are negotiated/exc=
hanged between AP and WLC in the split mode ?</div>
<div><br>
</div>
<div>&gt; Section 1.2: TSPEC</div>
<div>Add a reference to TSPEC</div>
<div><br>
</div>
<div>&gt; GBR, AMBR Terminology</div>
<div>You may want to add a reference to RFC 7222 Terminology section. There=
 is explanation for GBR, AMBR and other parameters</div>
<div><br>
</div>
<div>&gt; PMIPV6&nbsp;</div>
<div>Should be PMIPv6&nbsp;</div>
<div><br>
</div>
<div>&gt; Handovers ?</div>
<div>I did not see much text on what happens to the QoS states after a MN's=
 inter-MAG handovers.</div>
<div><br>
</div>
<div>&gt; Section 4.1</div>
<div>Please use &quot;Traffic Class&quot; in the table, instead of &quot;DS=
CP&quot;&nbsp;</div>
<div><br>
</div>
<div>&gt; Error Code Mapping</div>
<div>RFC7222 defines couple of error codes. Its not clear how those error c=
odes map to the Cause Codes in ADDTS Response. I saw just one Cause Code. I=
s that all ?</div>
<div><br>
</div>
<div>&gt; Scope: Per-MN, Per-Session,&nbsp;</div>
<div>No discussion on the scope. Its unclear how the Per-Session, Per-MN at=
tributes map to different Wi-Fi QoS elements</div>
<div><br>
</div>
<div>&gt; Security Considerations</div>
<div>You may want to add some text on how WLAN security architecture can pr=
otect the integrity of the QoS signaling messages on the air interface. The=
 current text may not be sufficient.</div>
<div><br>
</div>
<div><br>
</div>
<div>&gt; References</div>
<div>Informative Reference to RFC 5213 and 5844 as the PBU/PBA messages are=
 used in call flows</div>
<div>Add a reference to UPN/UPA spec (RFC7077) as its used in call flows</d=
iv>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
</body>
</html>

--_000_D03D11DE1645D3sgundaveciscocom_--


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From: John Kaippallimalil <John.Kaippallimalil@huawei.com>
To: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>, "netext@ietf.org" <netext@ietf.org>, "Rajesh Pazhyannur (rpazhyan)" <rpazhyan@cisco.com>, Parviz Yegani <pyegani@juniper.net>
Thread-Topic: Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-01
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Date: Tue, 16 Sep 2014 18:34:32 +0000
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References: <6561EABF52675C45BCDACA1B4D7AA1171D9BF77E@dfweml703-chm.china.huawei.com> <D03D11DE.1645D3%sgundave@cisco.com>
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Subject: Re: [netext] Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-01
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Hi Sri,
Thank you for a very thorough review and comments.

With regard to the major comment: - for QoS setup from AP to STA,  we canno=
t convey  the relevant flow/stream in 802.11aa (it would need further stand=
ardization in IEEE).
Rajesh and I can discuss with you some simple text to address this comment.

The other comments are relatively straightforward (see some notes inline be=
low).

In the next revision, we will address all these comments.

Best Regards,
John



From: netext [mailto:netext-bounces@ietf.org] On Behalf Of Sri Gundavelli (=
sgundave)
Sent: Tuesday, September 16, 2014 12:47 AM
To: netext@ietf.org
Subject: [netext] Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-0=
1

Hi Authors:

I've reviewed the -01 version of Wi-Fi QoS document. Its is well written. I=
ts in a good shape. Few comments below.



Major Comment:

> Section 3: "However, there are no standards defined way for the AP to ini=
tiate a QoS service request to the MN."

I'm bit disappointed to see the removal of the support for network initiate=
d QoS set-up.  John, Rajesh and myself had several offline discussions on t=
his few months back; Here is my comment from earlier discussions. I'm not a=
sking the Authors to add the support for network-initiated dynamic QoS, but=
 I thought it will be good to get some feedback from others.

"I do not understand the 802.11 guys thinking on this entire StreamId busin=
ess. When I first looked at it this, I thought this is just a identifier us=
ed in Application signaling. But, when this is tied to .1Q, even the basic =
semantics on the StreamId length or how its used in the network is not clea=
r to me. Their view that the tag is global and can be enforced in the entir=
e network seems bit broken. But, that spec is not my area of expertise and =
so may be I missing the real intent here.

However, when I look at this from PMIP QoS point of view and with the goal =
of realizing end to end QoS, the QoS enforcement  in this context is on the=
 MAG/AP. QoS enforcement on the rest of the network (MAG to LMA) is PMIP is=
sue. If that is the baseline requirement, my point is what stops the UE or =
the MAG implementation to ignore the StreamId completely ? MAG and UE repre=
sent the two end points of the air interface and they both have the TFT.  S=
o, this entire streamId business is total non-sense, specially the key prot=
ocols such as SIP have no mapping. So, even if there is public OUI allocati=
on, I fail to understand how it fits in the overall scheme of things. So, m=
y initial suggestion was to workaround the StreamId and make the spec work.
"



Additional Comments:

> Introduction: "STA"
Please add a reference or explanation on "STA" term - Station; In general, =
please add references/explanations to all Wi-Fi terminology.
OK, will revise

> "The Mean Data Rate does not include the MAC and PHY overheads [WMM1.2.0]=
"
 Some explanation can help.
Will add explanation

> However, this document does not exclude
   various deployments including those where AP and WLC are separate
   nodes, or the MAG control and data planes are separate."

Should there any guidance on how the QoS parameters are negotiated/exchange=
d between AP and WLC in the split mode ?
Did not want to add specifics since this is implementation specific.

> Section 1.2: TSPEC
Add a reference to TSPEC
OK, will revise

> GBR, AMBR Terminology
You may want to add a reference to RFC 7222 Terminology section. There is e=
xplanation for GBR, AMBR and other parameters
OK, will revise.

> PMIPV6
Should be PMIPv6
OK.

> Handovers ?
I did not see much text on what happens to the QoS states after a MN's inte=
r-MAG handovers.
We refer to RFC 7222 for the overall session handling.
In

> Section 4.1
Please use "Traffic Class" in the table, instead of "DSCP"
OK.

> Error Code Mapping
RFC7222 defines couple of error codes. Its not clear how those error codes =
map to the Cause Codes in ADDTS Response. I saw just one Cause Code. Is tha=
t all ?
Will revise to add other error codes.

> Scope: Per-MN, Per-Session,
No discussion on the scope. Its unclear how the Per-Session, Per-MN attribu=
tes map to different Wi-Fi QoS elements
The connection parameters - 4.1 shows the mapping per session and MN attrib=
utes.
Can revise text in introduction that refers to per MN and per session to gi=
ve the context.

> Security Considerations
You may want to add some text on how WLAN security architecture can protect=
 the integrity of the QoS signaling messages on the air interface. The curr=
ent text may not be sufficient.
Will review.


> References
Informative Reference to RFC 5213 and 5844 as the PBU/PBA messages are used=
 in call flows
Add a reference to UPN/UPA spec (RFC7077) as its used in call flows
OK.






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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hi Sri,<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Thank you for a very thor=
ough review and comments.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">With regard to the major =
comment: - for QoS setup from AP to STA, &nbsp;we cannot convey&nbsp; the r=
elevant flow/stream in 802.11aa (it would need further standardization
 in IEEE).<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Rajesh and I can discuss =
with you some simple text to address this comment.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">The other comments are re=
latively straightforward (see some notes inline below).<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">In the next revision, we =
will address all these comments.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Best Regards,<o:p></o:p><=
/span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">John<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> netext [=
mailto:netext-bounces@ietf.org]
<b>On Behalf Of </b>Sri Gundavelli (sgundave)<br>
<b>Sent:</b> Tuesday, September 16, 2014 12:47 AM<br>
<b>To:</b> netext@ietf.org<br>
<b>Subject:</b> [netext] Review Comments on I-D: draft-ietf-netext-pmip-qos=
-wifi-01<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Hi Authors:<o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">I've reviewed the -01 versi=
on of Wi-Fi QoS document. Its is well written. Its in a good shape. Few com=
ments below.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Major Comment:<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Section 3: &quot;Howev=
er, there are no standards defined way&nbsp;for the AP to initiate a QoS se=
rvice request to the MN.&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">I'm bit disappointed to see=
 the removal of the support for network initiated QoS set-up. &nbsp;John, R=
ajesh and myself had several offline discussions on this few
 months back; Here is my comment from earlier discussions. I'm not asking t=
he Authors to add the support for network-initiated dynamic QoS, but I thou=
ght it will be good to get some feedback from others.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&quot;I do not understand t=
he 802.11 guys thinking on this entire StreamId business. When I first look=
ed at it this, I thought this is just a identifier used in Application
 signaling. But, when this is tied to .1Q, even the basic semantics on the =
StreamId length or how its used in the network is not clear to me. Their vi=
ew that the tag is global and can be enforced in the entire network seems b=
it broken. But, that spec is not
 my area of expertise and so may be I missing the real intent here.&nbsp;<o=
:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">However, when I look at thi=
s from PMIP QoS point of view and with the goal of realizing end to end QoS=
, the QoS enforcement &nbsp;in this context is on the MAG/AP.
 QoS enforcement on the rest of the network (MAG to LMA) is PMIP issue. If =
that is the baseline requirement, my point is what stops the UE or the MAG =
implementation to ignore the StreamId completely ? MAG and UE represent the=
 two end points of the air interface
 and they both have the TFT.&nbsp;&nbsp;So, this entire streamId business i=
s total non-sense, specially the key protocols such as SIP have no mapping.=
 So, even if there is public OUI allocation, I fail to understand how it fi=
ts in the overall scheme of things. So, my
 initial suggestion was to workaround the StreamId and make the spec work.<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&quot;&nbsp;<o:p></o:p></sp=
an></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Additional Comments:<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Introduction: &quot;ST=
A&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Please add a reference or e=
xplanation on &quot;STA&quot; term - Station; In general, please add refere=
nces/explanations to all Wi-Fi terminology.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK, will revise<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; &quot;The Mean Data&nb=
sp;Rate does not include the MAC and PHY overheads [WMM1.2.0]&quot;<o:p></o=
:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp;Some explanation can =
help.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Will add explanation<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt;&nbsp;However, this doc=
ument does not exclude<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; &nbsp;various deploy=
ments including those where AP and WLC are separate<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&nbsp; &nbsp;nodes, or the =
MAG control and data planes are separate.&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Should there any guidance o=
n how the QoS parameters are negotiated/exchanged between AP and WLC in the=
 split mode ?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Did not want to add speci=
fics since this is implementation specific.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Section 1.2: TSPEC<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Add a reference to TSPEC<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK, will revise<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; GBR, AMBR Terminology<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">You may want to add a refer=
ence to RFC 7222 Terminology section. There is explanation for GBR, AMBR an=
d other parameters<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK, will revise.<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; PMIPV6&nbsp;<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Should be PMIPv6&nbsp;<o:p>=
</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Handovers ?<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">I did not see much text on =
what happens to the QoS states after a MN's inter-MAG handovers.<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">We refer to RFC 7222 for =
the overall session handling.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">In
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Section 4.1<o:p></o:p>=
</span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Please use &quot;Traffic Cl=
ass&quot; in the table, instead of &quot;DSCP&quot;&nbsp;<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Error Code Mapping<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">RFC7222 defines couple of e=
rror codes. Its not clear how those error codes map to the Cause Codes in A=
DDTS Response. I saw just one Cause Code. Is that all ?<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Will revise to add other =
error codes.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Scope: Per-MN, Per-Ses=
sion,&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">No discussion on the scope.=
 Its unclear how the Per-Session, Per-MN attributes map to different Wi-Fi =
QoS elements<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">The connection parameters=
 &#8211; 4.1 shows the mapping per session and MN attributes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Can revise text in introd=
uction that refers to per MN and per session to give the context.<o:p></o:p=
></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; Security Consideration=
s<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">You may want to add some te=
xt on how WLAN security architecture can protect the integrity of the QoS s=
ignaling messages on the air interface. The current text
 may not be sufficient.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Will review.<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">&gt; References<o:p></o:p><=
/span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Informative Reference to RF=
C 5213 and 5844 as the PBU/PBA messages are used in call flows<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black">Add a reference to UPN/UPA =
spec (RFC7077) as its used in call flows<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p=
>
</div>
</div>
</div>
</body>
</html>

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From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: John Kaippallimalil <John.Kaippallimalil@huawei.com>, "netext@ietf.org" <netext@ietf.org>, "Rajesh Pazhyannur (rpazhyan)" <rpazhyan@cisco.com>, Parviz Yegani <pyegani@juniper.net>
Thread-Topic: Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-01
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--_000_D03DD28A164779sgundaveciscocom_
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Hi John,

> With regard to the major comment: - for QoS setup from AP to STA,  we can=
not convey  the relevant flow/stream in 802.11aa (it would need further sta=
ndardization in IEEE).

May be a recommendation on the needed changes will help.


Regards
Sri

From: John Kaippallimalil <John.Kaippallimalil@huawei.com<mailto:John.Kaipp=
allimalil@huawei.com>>
Date: Tuesday, September 16, 2014 11:34 AM
To: Sri Gundavelli <sgundave@cisco.com<mailto:sgundave@cisco.com>>, "netext=
@ietf.org<mailto:netext@ietf.org>" <netext@ietf.org<mailto:netext@ietf.org>=
>, "Rajesh Pazhyannur (rpazhyan)" <rpazhyan@cisco.com<mailto:rpazhyan@cisco=
.com>>, Parviz Yegani <pyegani@juniper.net<mailto:pyegani@juniper.net>>
Subject: RE: Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-01

Hi Sri,
Thank you for a very thorough review and comments.

With regard to the major comment: - for QoS setup from AP to STA,  we canno=
t convey  the relevant flow/stream in 802.11aa (it would need further stand=
ardization in IEEE).
Rajesh and I can discuss with you some simple text to address this comment.

The other comments are relatively straightforward (see some notes inline be=
low).

In the next revision, we will address all these comments.

Best Regards,
John



From: netext [mailto:netext-bounces@ietf.org] On Behalf Of Sri Gundavelli (=
sgundave)
Sent: Tuesday, September 16, 2014 12:47 AM
To: netext@ietf.org<mailto:netext@ietf.org>
Subject: [netext] Review Comments on I-D: draft-ietf-netext-pmip-qos-wifi-0=
1

Hi Authors:

I've reviewed the -01 version of Wi-Fi QoS document. Its is well written. I=
ts in a good shape. Few comments below.



Major Comment:

> Section 3: "However, there are no standards defined way for the AP to ini=
tiate a QoS service request to the MN."

I'm bit disappointed to see the removal of the support for network initiate=
d QoS set-up.  John, Rajesh and myself had several offline discussions on t=
his few months back; Here is my comment from earlier discussions. I'm not a=
sking the Authors to add the support for network-initiated dynamic QoS, but=
 I thought it will be good to get some feedback from others.

"I do not understand the 802.11 guys thinking on this entire StreamId busin=
ess. When I first looked at it this, I thought this is just a identifier us=
ed in Application signaling. But, when this is tied to .1Q, even the basic =
semantics on the StreamId length or how its used in the network is not clea=
r to me. Their view that the tag is global and can be enforced in the entir=
e network seems bit broken. But, that spec is not my area of expertise and =
so may be I missing the real intent here.

However, when I look at this from PMIP QoS point of view and with the goal =
of realizing end to end QoS, the QoS enforcement  in this context is on the=
 MAG/AP. QoS enforcement on the rest of the network (MAG to LMA) is PMIP is=
sue. If that is the baseline requirement, my point is what stops the UE or =
the MAG implementation to ignore the StreamId completely ? MAG and UE repre=
sent the two end points of the air interface and they both have the TFT.  S=
o, this entire streamId business is total non-sense, specially the key prot=
ocols such as SIP have no mapping. So, even if there is public OUI allocati=
on, I fail to understand how it fits in the overall scheme of things. So, m=
y initial suggestion was to workaround the StreamId and make the spec work.
"



Additional Comments:

> Introduction: "STA"
Please add a reference or explanation on "STA" term - Station; In general, =
please add references/explanations to all Wi-Fi terminology.
OK, will revise

> "The Mean Data Rate does not include the MAC and PHY overheads [WMM1.2.0]=
"
 Some explanation can help.
Will add explanation

> However, this document does not exclude
   various deployments including those where AP and WLC are separate
   nodes, or the MAG control and data planes are separate."

Should there any guidance on how the QoS parameters are negotiated/exchange=
d between AP and WLC in the split mode ?
Did not want to add specifics since this is implementation specific.

> Section 1.2: TSPEC
Add a reference to TSPEC
OK, will revise

> GBR, AMBR Terminology
You may want to add a reference to RFC 7222 Terminology section. There is e=
xplanation for GBR, AMBR and other parameters
OK, will revise.

> PMIPV6
Should be PMIPv6
OK.

> Handovers ?
I did not see much text on what happens to the QoS states after a MN's inte=
r-MAG handovers.
We refer to RFC 7222 for the overall session handling.
In

> Section 4.1
Please use "Traffic Class" in the table, instead of "DSCP"
OK.

> Error Code Mapping
RFC7222 defines couple of error codes. Its not clear how those error codes =
map to the Cause Codes in ADDTS Response. I saw just one Cause Code. Is tha=
t all ?
Will revise to add other error codes.

> Scope: Per-MN, Per-Session,
No discussion on the scope. Its unclear how the Per-Session, Per-MN attribu=
tes map to different Wi-Fi QoS elements
The connection parameters =96 4.1 shows the mapping per session and MN attr=
ibutes.
Can revise text in introduction that refers to per MN and per session to gi=
ve the context.

> Security Considerations
You may want to add some text on how WLAN security architecture can protect=
 the integrity of the QoS signaling messages on the air interface. The curr=
ent text may not be sufficient.
Will review.


> References
Informative Reference to RFC 5213 and 5844 as the PBU/PBA messages are used=
 in call flows
Add a reference to UPN/UPA spec (RFC7077) as its used in call flows
OK.






--_000_D03DD28A164779sgundaveciscocom_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
</head>
<body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif; ">
<div>Hi John,</div>
<div><br>
</div>
<div>&gt;&nbsp;<span class=3D"Apple-style-span" style=3D"color: rgb(31, 73,=
 125); font-size: 15px; ">With regard to the major comment: - for QoS setup=
 from AP to STA, &nbsp;we cannot convey&nbsp; the relevant flow/stream in 8=
02.11aa (it would need further standardization in IEEE).</span></div>
<div><br>
</div>
<div>May be a recommendation on the needed changes will help.</div>
<div><br>
</div>
<div><br>
</div>
<div>Regards</div>
<div>Sri</div>
<div><br>
</div>
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<span style=3D"font-weight:bold">From: </span>John Kaippallimalil &lt;<a hr=
ef=3D"mailto:John.Kaippallimalil@huawei.com">John.Kaippallimalil@huawei.com=
</a>&gt;<br>
<span style=3D"font-weight:bold">Date: </span>Tuesday, September 16, 2014 1=
1:34 AM<br>
<span style=3D"font-weight:bold">To: </span>Sri Gundavelli &lt;<a href=3D"m=
ailto:sgundave@cisco.com">sgundave@cisco.com</a>&gt;, &quot;<a href=3D"mail=
to:netext@ietf.org">netext@ietf.org</a>&quot; &lt;<a href=3D"mailto:netext@=
ietf.org">netext@ietf.org</a>&gt;, &quot;Rajesh Pazhyannur (rpazhyan)&quot;
 &lt;<a href=3D"mailto:rpazhyan@cisco.com">rpazhyan@cisco.com</a>&gt;, Parv=
iz Yegani &lt;<a href=3D"mailto:pyegani@juniper.net">pyegani@juniper.net</a=
>&gt;<br>
<span style=3D"font-weight:bold">Subject: </span>RE: Review Comments on I-D=
: draft-ietf-netext-pmip-qos-wifi-01<br>
</div>
<div><br>
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<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Hi Sri,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Thank you for a very thorough revi=
ew and comments.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">With regard to the major comment: =
- for QoS setup from AP to STA, &nbsp;we cannot convey&nbsp; the relevant f=
low/stream in 802.11aa (it would need further
 standardization in IEEE).<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Rajesh and I can discuss with you =
some simple text to address this comment.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">The other comments are relatively =
straightforward (see some notes inline below).<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">In the next revision, we will addr=
ess all these comments.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Best Regards,<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">John<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size: 10pt; font-family: Taho=
ma, sans-serif; ">From:</span></b><span style=3D"font-size: 10pt; font-fami=
ly: Tahoma, sans-serif; "> netext [<a href=3D"mailto:netext-bounces@ietf.or=
g">mailto:netext-bounces@ietf.org</a>]
<b>On Behalf Of </b>Sri Gundavelli (sgundave)<br>
<b>Sent:</b> Tuesday, September 16, 2014 12:47 AM<br>
<b>To:</b> <a href=3D"mailto:netext@ietf.org">netext@ietf.org</a><br>
<b>Subject:</b> [netext] Review Comments on I-D: draft-ietf-netext-pmip-qos=
-wifi-01<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Hi Authors:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">I've reviewed the -01 version of Wi-Fi QoS =
document. Its is well written. Its in a good shape. Few comments below.<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Major Comment:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Section 3: &quot;However, there are no=
 standards defined way&nbsp;for the AP to initiate a QoS service request to=
 the MN.&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">I'm bit disappointed to see the removal of =
the support for network initiated QoS set-up. &nbsp;John, Rajesh and myself=
 had several offline discussions on this
 few months back; Here is my comment from earlier discussions. I'm not aski=
ng the Authors to add the support for network-initiated dynamic QoS, but I =
thought it will be good to get some feedback from others.<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&quot;I do not understand the 802.11 guys t=
hinking on this entire StreamId business. When I first looked at it this, I=
 thought this is just a identifier used in
 Application signaling. But, when this is tied to .1Q, even the basic seman=
tics on the StreamId length or how its used in the network is not clear to =
me. Their view that the tag is global and can be enforced in the entire net=
work seems bit broken. But, that
 spec is not my area of expertise and so may be I missing the real intent h=
ere.&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">However, when I look at this from PMIP QoS =
point of view and with the goal of realizing end to end QoS, the QoS enforc=
ement &nbsp;in this context is on the MAG/AP.
 QoS enforcement on the rest of the network (MAG to LMA) is PMIP issue. If =
that is the baseline requirement, my point is what stops the UE or the MAG =
implementation to ignore the StreamId completely ? MAG and UE represent the=
 two end points of the air interface
 and they both have the TFT.&nbsp;&nbsp;So, this entire streamId business i=
s total non-sense, specially the key protocols such as SIP have no mapping.=
 So, even if there is public OUI allocation, I fail to understand how it fi=
ts in the overall scheme of things. So, my
 initial suggestion was to workaround the StreamId and make the spec work.<=
o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&quot;&nbsp;<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Additional Comments:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Introduction: &quot;STA&quot;<o:p></o:=
p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Please add a reference or explanation on &q=
uot;STA&quot; term - Station; In general, please add references/explanation=
s to all Wi-Fi terminology.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK, will revise<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; &quot;The Mean Data&nbsp;Rate does not=
 include the MAC and PHY overheads [WMM1.2.0]&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&nbsp;Some explanation can help.<o:p></o:p>=
</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Will add explanation<o:p></o:p></s=
pan></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt;&nbsp;However, this document does not e=
xclude<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&nbsp; &nbsp;various deployments including =
those where AP and WLC are separate<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&nbsp; &nbsp;nodes, or the MAG control and =
data planes are separate.&quot;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Should there any guidance on how the QoS pa=
rameters are negotiated/exchanged between AP and WLC in the split mode ?<o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Did not want to add specifics sinc=
e this is implementation specific.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Section 1.2: TSPEC<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Add a reference to TSPEC<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK, will revise<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; GBR, AMBR Terminology<o:p></o:p></span=
></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">You may want to add a reference to RFC 7222=
 Terminology section. There is explanation for GBR, AMBR and other paramete=
rs<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK, will revise.<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; PMIPV6&nbsp;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Should be PMIPv6&nbsp;<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Handovers ?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">I did not see much text on what happens to =
the QoS states after a MN's inter-MAG handovers.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">We refer to RFC 7222 for the overa=
ll session handling.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">In
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Section 4.1<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Please use &quot;Traffic Class&quot; in the=
 table, instead of &quot;DSCP&quot;&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Error Code Mapping<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">RFC7222 defines couple of error codes. Its =
not clear how those error codes map to the Cause Codes in ADDTS Response. I=
 saw just one Cause Code. Is that all
 ?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Will revise to add other error cod=
es.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Scope: Per-MN, Per-Session,&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">No discussion on the scope. Its unclear how=
 the Per-Session, Per-MN attributes map to different Wi-Fi QoS elements<o:p=
></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">The connection parameters =96 4.1 =
shows the mapping per session and MN attributes.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Can revise text in introduction th=
at refers to per MN and per session to give the context.<o:p></o:p></span><=
/p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; Security Considerations<o:p></o:p></sp=
an></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">You may want to add some text on how WLAN s=
ecurity architecture can protect the integrity of the QoS signaling message=
s on the air interface. The current
 text may not be sufficient.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">Will review.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">&gt; References<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Informative Reference to RFC 5213 and 5844 =
as the PBU/PBA messages are used in call flows<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; ">Add a reference to UPN/UPA spec (RFC7077) a=
s its used in call flows<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size: 11pt; color: rgb(31, 73, 1=
25); font-family: Calibri, sans-serif; ">OK.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size: 10.5pt; color: black; font=
-family: Calibri, sans-serif; "><o:p>&nbsp;</o:p></span></p>
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