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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [its] I-D Action: draft-li-ipv4-over-80211ocb-00.txt
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I support this draft.

Even though IPv4 is not in the [ipwave] charter there is requirement for
IPv4 prototypes in vehicular networks on 802.11-OCB, at least at this time.

Informally speaking, I would like to ask whether at your organization
there is now, or planned, prototype implementation of running IPv4 over
802.11-OCB.  I am asking because in the past we have played with some
vehicular 'Mobile Router' platform from some provider: it did feature
IPv4 but mostly on LTE, not on 802.11-OCB at 5.9GHz.  Maybe this changed...

Alex

Le 01/12/2016 à 06:35, Gonzalo Salgueiro (gsalguei) a écrit :
> Hi IPWAVErs -
>
> We have just published a draft documenting how IPv4 is encoded over
> 802.11OCB.  You can find it here:
>
> https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>
> We are fully aware that the WG is focused on IPv6 and that in Seoul
> there was consensus to remove IPv4 from
> draft-petrescu-ipv6-over-80211p. I believe that at the last meeting
> the decision was to use an individual submission for IPv4 and that
> WG/chairs would determine how best to coordinate with this.
>
> I speak for the other authors and collaborators of this draft when I
> say that we’re all strongly in favor of an IPv6 focus for the WG.
> It seems we may have a subtle disagreement on the need to simply
> document how IPv4 is to be encoded, especially in light of how
> consistent the alignment is with IPv6.  Obviously, our preference
> would be for the work (IPv4 over 802.11OCB) to be done officially by
> the WG since it seems an almost trivial exercise and with minimal
> overhead.  That said, we’re not here to trump WG consensus, so at
> this point we are making the WG aware of the existence of this draft
> and looking for any reviews and comments to improve the document.
> Additionally, we’d greatly appreciate any coordination assistance
> and guidance on how best (and most efficiently) to get this
> individual submission progressed.
>
> Thanks,
>
> Gonzalo
>
>
>> On Nov 30, 2016, at 4:43 PM, internet-drafts@ietf.org
>> <mailto:internet-drafts@ietf.org> wrote:
>>
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts
>>  directories.
>>
>>
>> Title           : Transmission of IPv4 over IEEE 802.11 in OCB mode
>> Authors         : Tony Li Gonzalo Salgueiro Dino Farinacci Filename
>> : draft-li-ipv4-over-80211ocb-00.txt Pages : 12 Date            :
>> 2016-11-30
>>
>> Abstract: This document describes the transmission of IPv4 packets
>> over IEEE 802.11-2012 networks when run Outside the Context of a
>> BSS (802.11-OCB, earlier known as 802.11p).
>>
>>
>> The IETF datatracker status page for this draft is:
>> https://datatracker.ietf.org/doc/draft-li-ipv4-over-80211ocb/
>>
>> There's also a htmlized version available at:
>> https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>>
>>
>> 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/
>>
>> _______________________________________________ I-D-Announce
>> mailing list I-D-Announce@ietf.org
>> https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft
>> directories: http://www.ietf.org/shadow.html or
>> ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>
>
>
> _______________________________________________ its mailing list
> its@ietf.org https://www.ietf.org/mailman/listinfo/its
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From nobody Thu Dec  1 07:47:22 2016
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Subject: [its] I-D Action: draft-ietf-ipwave-ipv6-over-80211ocb-00.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 IP Wireless Access in Vehicular Environments of the IETF.

        Title           : Transmission of IPv6 Packets over IEEE 802.11 Networks in mode Outside the Context of a Basic Service Set (IPv6-over-80211ocb)
        Authors         : Alexandre Petrescu
                          Nabil Benamar
                          JÃ©rÃ´me HÃ¤rri
                          Christian Huitema
                          Jong-Hyouk Lee
                          Thierry Ernst
                          Tony Li
	Filename        : draft-ietf-ipwave-ipv6-over-80211ocb-00.txt
	Pages           : 41
	Date            : 2016-12-01

Abstract:
   In order to transmit IPv6 packets on IEEE 802.11 networks run outside
   the context of a basic service set (OCB, earlier "802.11p") there is
   a need to define a few parameters such as the recommended Maximum
   Transmission Unit size, the header format preceding the IPv6 header,
   the Type value within it, and others.  This document describes these
   parameters for IPv6 and IEEE 802.11 OCB networks; it portrays the
   layering of IPv6 on 802.11 OCB similarly to other known 802.11 and
   Ethernet layers - by using an Ethernet Adaptation Layer.

   In addition, the document attempts to list what is different in
   802.11 OCB (802.11p) compared to more 'traditional' 802.11a/b/g/n
   layers, layers over which IPv6 protocols operates without issues.
   Most notably, the operation outside the context of a BSS (OCB) has
   impact on IPv6 handover behaviour and on IPv6 security.

   An example of an IPv6 packet captured while transmitted over an IEEE
   802.11 OCB link (802.11p) is given.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-ipwave-ipv6-over-80211ocb/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-ipwave-ipv6-over-80211ocb-00


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

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


From nobody Fri Dec  2 02:04:53 2016
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 I read your draft and wrote some point may be help full your revise draft

Description about: Transmission of IPv4 and ARP packets over IEEE
802.11-2012 or IEEE 802.11-OCB for vehicles, when run Outside the Context
of a BSS (Basic service set).

It only describes encapsulation of IPv4 packets.

=C2=B7         IEEE 802.11-OCB earlier known as 802.11p.

=C2=B7         Encapsulation process of IPv4: According to IEEE802.11-OCB (=
IPv4
packets are encapsulated in a LLC SNAP layer and then the 802.11 MAC layer
before transmission.)


*[image: Inline image 1] *





                 SNAP-Subnetwork access protocol

                 LLC-Logical Link Control

IPv4 packets can be transmitted as "IEEE 802.11 Data" or alternatively as
"IEEE 802.11 QoS Data". Thus, formatted frames may appear in either of
these formats:

[image: Inline image 2]

Value of Type/subtype field differs according to formats:

 802.11 Data header: 0x20 (Data, Data)

 802.11 QoS header: 0x28 (Data, QoS Data)

 *Adaptation Layer:* These formats are slightly different than standard
Ethernet framing for IPv4, so implementations must use an adaptation layer
in between MAC and N/w layer to *merge up the difference* so that the
network layer perceives traditional Ethernet encapsulation.


[image: Inline image 3]



=C2=B7         Translated encapsulation is not sent over the 802.11-OCB net=
work,
but is instead presented by the device driver to the operating system. This
allows 802.11-OCB interfaces to easily take advantage of all of the
operating system facilities that exist for Ethernet already.

=C2=B7         MTU (Maximum transmission unit) size for IPv4 packets on
802.11-OCB is 1500 octets.

=C2=B7         If a packet is fragmented by the IPv4 network layer before
transmission on 802.11-OCB, the field "Sequence number" in the 802.11 Data
header should increment for each fragment and the "Fragment number" field
should remain 0. This is recommended because the link layer cannot do IP
fragment reassembly.

IPv4 unicast addressing strategies are:

=C2=B7         Static addressing

=C2=B7          DHCP with network assigned addresses [RFC2131]

=C2=B7          DHCP with private addressing and NAT [RFC1918] [RFC3022]

=C2=B7         Link-local addressing [RFC3927]

Advantages

=C2=B7          802.11-OCB already attempts to assist with privacy by havin=
g a
station change its MAC address.

Drawbacks:

=C2=B7         Link layer does not provide any authentication mechanism.

=C2=B7         The L2 headers of IEEE 802.11-OCB and L3 headers of IPv4 are=
 not
encrypted, and expose the MAC address and IP address of both the source and
destination. Adversaries could monitor the L2 or L3 headers, track the
addresses, and through that track the position of a vehicle over time.

=C2=B7         MAC address randomization will not prevent tracking if the
address stays constant for long intervals. If renumbering events are too
infrequent, they will not protect privacy, but if they are too frequent
they will disrupt service.

=C2=B7         If any of the addresses stops working, traffic continues to =
flow
on the working addresses. However, in this situation, advertising multiple
addresses would defeat the privacy goals.

Remarks:

=C2=B7         IPsec can be used to protect unicast communications. If no
protection is used by the IP layer, upper layers should be
cryptographically protected.

=C2=B7         802.11-OCB provides no link level security, some hosts may c=
hoose
to implement cryptographic techniques to provide data privacy and
authentication.

=C2=B7         Key exchange needs to be performed prior to the exchange of =
other
key information. Simply transmitting constant certificates can violate the
privacy requirements. To preserve privacy, a host must change its
certificate any time it has a renumbering event.

=C2=B7         Hosts would be able to maintain transport connections across
renumbering events by making use of multipath TCP.

Thank You


On Thu, Dec 1, 2016 at 2:50 PM, Alexandre Petrescu <
alexandre.petrescu@gmail.com> wrote:

> I support this draft.
>
> Even though IPv4 is not in the [ipwave] charter there is requirement for
> IPv4 prototypes in vehicular networks on 802.11-OCB, at least at this tim=
e.
>
> Informally speaking, I would like to ask whether at your organization
> there is now, or planned, prototype implementation of running IPv4 over
> 802.11-OCB.  I am asking because in the past we have played with some
> vehicular 'Mobile Router' platform from some provider: it did feature
> IPv4 but mostly on LTE, not on 802.11-OCB at 5.9GHz.  Maybe this changed.=
..
>
> Alex
>
>
> Le 01/12/2016 =C3=A0 06:35, Gonzalo Salgueiro (gsalguei) a =C3=A9crit :
>
>> Hi IPWAVErs -
>>
>> We have just published a draft documenting how IPv4 is encoded over
>> 802.11OCB.  You can find it here:
>>
>> https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>>
>> We are fully aware that the WG is focused on IPv6 and that in Seoul
>> there was consensus to remove IPv4 from
>> draft-petrescu-ipv6-over-80211p. I believe that at the last meeting
>> the decision was to use an individual submission for IPv4 and that
>> WG/chairs would determine how best to coordinate with this.
>>
>> I speak for the other authors and collaborators of this draft when I
>> say that we=E2=80=99re all strongly in favor of an IPv6 focus for the WG=
.
>> It seems we may have a subtle disagreement on the need to simply
>> document how IPv4 is to be encoded, especially in light of how
>> consistent the alignment is with IPv6.  Obviously, our preference
>> would be for the work (IPv4 over 802.11OCB) to be done officially by
>> the WG since it seems an almost trivial exercise and with minimal
>> overhead.  That said, we=E2=80=99re not here to trump WG consensus, so a=
t
>> this point we are making the WG aware of the existence of this draft
>> and looking for any reviews and comments to improve the document.
>> Additionally, we=E2=80=99d greatly appreciate any coordination assistanc=
e
>> and guidance on how best (and most efficiently) to get this
>> individual submission progressed.
>>
>> Thanks,
>>
>> Gonzalo
>>
>>
>> On Nov 30, 2016, at 4:43 PM, internet-drafts@ietf.org
>>> <mailto:internet-drafts@ietf.org> wrote:
>>>
>>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>>  directories.
>>>
>>>
>>> Title           : Transmission of IPv4 over IEEE 802.11 in OCB mode
>>> Authors         : Tony Li Gonzalo Salgueiro Dino Farinacci Filename
>>> : draft-li-ipv4-over-80211ocb-00.txt Pages : 12 Date            :
>>> 2016-11-30
>>>
>>> Abstract: This document describes the transmission of IPv4 packets
>>> over IEEE 802.11-2012 networks when run Outside the Context of a
>>> BSS (802.11-OCB, earlier known as 802.11p).
>>>
>>>
>>> The IETF datatracker status page for this draft is:
>>> https://datatracker.ietf.org/doc/draft-li-ipv4-over-80211ocb/
>>>
>>> There's also a htmlized version available at:
>>> https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>>>
>>>
>>> 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/
>>>
>>> _______________________________________________ I-D-Announce
>>> mailing list I-D-Announce@ietf.org
>>> https://www.ietf.org/mailman/listinfo/i-d-announce Internet-Draft
>>> directories: http://www.ietf.org/shadow.html or
>>> ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>>>
>>
>>
>>
>> _______________________________________________ its mailing list
>> its@ietf.org https://www.ietf.org/mailman/listinfo/its
>>
>>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>



--=20
Best Regards

*Dr. Karan Verma *
Assistant Professor
Computer Science and Engineering Dept.
Central University Rajasthan, India
Website: www.drkaranverma.com
Phone: +917568169258

--001a11401d0434a99d0542aa11e4
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<div dir=3D"ltr">=C2=A0I read your draft and wrote some point may be help f=
ull your revise draft=C2=A0<div><br><div><p class=3D"MsoNormal" style=3D"ma=
rgin-bottom:0.0001pt;line-height:normal"><span lang=3D"EN-US" style=3D"font=
-size:9pt"><font face=3D"monospace, monospace">Description
about: Transmission of IPv4 and ARP packets over IEEE 802.11-2012 or IEEE
802.11-OCB for vehicles, when run Outside the Context of a BSS (Basic servi=
ce
set).<span></span></font></span></p>

<p class=3D"MsoNormal" style=3D"margin-bottom:0.0001pt;line-height:normal">=
<span lang=3D"EN-US" style=3D"font-size:9pt"><font face=3D"monospace, monos=
pace">It
only describes encapsulation of IPv4 packets.<span></span></font></span></p=
>

<p class=3D"gmail-MsoListParagraphCxSpFirst"><font face=3D"monospace, monos=
pace"><span lang=3D"EN-US" style=3D"font-size:9pt;line-height:115%">=C2=B7<=
span style=3D"font-variant-numeric:normal;font-stretch:normal;font-size:7pt=
;line-height:normal">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-size:9pt;line-height:115%"=
>IEEE 802.11-OCB earlier
known as 802.11p.<span></span></span></font></p>

<p class=3D"gmail-MsoListParagraphCxSpLast"><span lang=3D"EN-US" style=3D"f=
ont-size:9pt;line-height:115%"><font face=3D"monospace, monospace">=C2=B7<s=
pan style=3D"font-variant-numeric:normal;font-stretch:normal;font-size:7pt;=
line-height:normal">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></font></span><span lang=3D"EN-US" style=3D"font-size:9pt;line-heigh=
t:115%"><font face=3D"monospace, monospace">Encapsulation process
of IPv4: According to IEEE802.11-OCB (IPv4 packets are encapsulated in a LL=
C
SNAP layer and then the 802.11 MAC layer before transmission.)</font><font =
face=3D"times new roman, serif"><span></span></font></span></p><div>

<p class=3D"gmail-MsoListParagraphCxSpLast">

</p><table cellpadding=3D"0" cellspacing=3D"0" align=3D"left">
 <tbody><tr>
  <td width=3D"49" height=3D"8"></td>
 </tr>
 <tr>
  <td></td>
  <td><br></td>
 </tr>
</tbody></table>

<i><span lang=3D"EN-US" style=3D"font-size:12pt;line-height:115%"><span><im=
g src=3D"cid:ii_158bef1283561234" alt=3D"Inline image 1" width=3D"313" heig=
ht=3D"194" style=3D"margin-right: 0px;">=C2=A0</span></span></i><i><span la=
ng=3D"EN-US" style=3D"font-size:8pt;line-height:115%">=C2=A0</span></i><i><=
span lang=3D"EN-US" style=3D"font-size:8pt;line-height:115%">=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0</span></i=
>

<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:8pt;line-hei=
ght:115%"><span>=C2=A0</span></span></p>

<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;line-he=
ight:115%">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 SNAP-Subnetwork access
protocol<span></span></span></p>

<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10pt;line-he=
ight:115%">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 LLC-Logical Link Control<span></span></sp=
an></p>

<p class=3D"gmail-MsoListParagraphCxSpFirst"><font face=3D"monospace, monos=
pace"><span lang=3D"EN-US" style=3D"font-size:10pt;line-height:115%">IPv4 p=
ackets can be transmitted as &quot;IEEE
802.11 Data&quot; or alternatively as &quot;IEEE 802.11 QoS Data&quot;. Thu=
s,
formatted frames may appear in either of these formats:</span><span lang=3D=
"EN-US" style=3D"font-size:10pt;line-height:115%">=C2=A0</span></font><span=
 style=3D"font-family:garamond,serif;font-size:12pt"><br></span></p><p clas=
s=3D"gmail-MsoListParagraphCxSpFirst"></p><img src=3D"cid:ii_158bef597d42a3=
85" alt=3D"Inline image 2" width=3D"472" height=3D"61"></div><div><p class=
=3D"gmail-MsoListParagraph"><span lang=3D"EN-US" style=3D"line-height:115%;=
font-family:&quot;times new roman&quot;,serif">Value
of Type/subtype field differs according to formats:<span></span></span></p>

<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"line-height:115%;font-=
family:&quot;times new roman&quot;,serif">=C2=A0802.11 Data header: 0x20 (D=
ata, Data)</span><span lang=3D"EN-US" style=3D"font-size:7pt;line-height:11=
5%;font-family:&quot;times new roman&quot;,serif"> <span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpFirst"><span lang=3D"EN-US" style=3D"=
line-height:115%;font-family:&quot;times new roman&quot;,serif"><span>=C2=
=A0</span></span><span style=3D"font-family:&quot;times new roman&quot;,ser=
if">802.11
QoS header: 0x28 (Data, QoS Data)</span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-size:7pt;line-height:115%;font-family:&quot;times new roman&quot;,ser=
if"><span>=C2=A0</span></span><b><span lang=3D"EN-US" style=3D"line-height:=
115%;font-family:&quot;times new roman&quot;,serif">Adaptation
Layer:</span></b><span lang=3D"EN-US" style=3D"font-size:7pt;line-height:11=
5%;font-family:&quot;times new roman&quot;,serif"> </span><span lang=3D"EN-=
US" style=3D"line-height:115%;font-family:&quot;times new roman&quot;,serif=
">These formats are slightly different than standard
Ethernet framing for IPv4, so implementations must use an adaptation layer =
in
between MAC and N/w layer to <b>merge up the difference</b> so that the net=
work
layer perceives traditional Ethernet encapsulation.</span></p><p></p>

<p class=3D"gmail-MsoListParagraphCxSpLast"><b><span lang=3D"EN-US" style=
=3D"font-size:12pt;line-height:115%"><span><font face=3D"garamond, serif">=
=C2=A0</font></span></span></b></p><img src=3D"cid:ii_158bef73d1115013" alt=
=3D"Inline image 3" width=3D"281" height=3D"185"><b><span lang=3D"EN-US" st=
yle=3D"font-size:12pt;line-height:115%"><font face=3D"garamond, serif">=C2=
=A0</font></span></b>

<p class=3D"MsoNormal" style=3D"margin-left:18pt"><b><span lang=3D"EN-US" s=
tyle=3D"font-size:12pt;line-height:115%"><span><font face=3D"garamond, seri=
f">=C2=A0</font></span></span></b></p>

<p class=3D"gmail-MsoListParagraphCxSpFirst"><span lang=3D"EN-US" style=3D"=
font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-s=
tretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new =
roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Translated encapsulation is not sent over the
802.11-OCB network, but is instead presented by the device driver to the
operating system. This allows 802.11-OCB interfaces to easily take advantag=
e of
all of the operating system facilities that exist for Ethernet already.<spa=
n></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-=
stretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new=
 roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">MTU (Maximum transmission unit) size for IPv4
packets on 802.11-OCB is 1500 octets.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-=
stretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new=
 roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">If a packet is fragmented by the IPv4 network layer
before transmission on 802.11-OCB, the field &quot;Sequence number&quot; in=
 the
802.11 Data header should increment for each fragment and the &quot;Fragmen=
t
number&quot; field should remain 0. This is recommended because the link la=
yer
cannot do IP fragment reassembly.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle" style=3D"margin-left:18pt"><s=
pan lang=3D"EN-US" style=3D"font-family:&quot;times new roman&quot;,serif">=
IPv4 unicast addressing strategies are:<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-=
stretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new=
 roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Static addressing <span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-=
stretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new=
 roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">=C2=A0DHCP with
network assigned addresses [RFC2131]<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle"><span lang=3D"EN-US" style=3D=
"font-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-=
stretch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new=
 roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">=C2=A0DHCP with
private addressing and NAT [RFC1918] [RFC3022] <span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpLast"><span lang=3D"EN-US" style=3D"f=
ont-family:symbol">=C2=B7<span style=3D"font-variant-numeric:normal;font-st=
retch:normal;font-size:7pt;line-height:normal;font-family:&quot;times new r=
oman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Link-local addressing [RFC3927]<span></span></span></p>

<p class=3D"MsoNormal" style=3D"margin-left:18pt"><span lang=3D"EN-US" styl=
e=3D"font-family:&quot;times new roman&quot;,serif">Advantages<span></span>=
</span></p>

<p class=3D"gmail-MsoListParagraph" style=3D"margin-left:54pt"><span lang=
=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-variant-n=
umeric:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-fam=
ily:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">=C2=A0802.11-OCB
already attempts to assist with privacy by having a station change its MAC
address.<span></span></span></p>

<p class=3D"MsoNormal" style=3D"margin-left:18pt"><span lang=3D"EN-US" styl=
e=3D"font-family:&quot;times new roman&quot;,serif">Drawbacks:<span></span>=
</span></p>

<p class=3D"gmail-MsoListParagraphCxSpFirst" style=3D"margin-left:54pt"><sp=
an lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-va=
riant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:normal;f=
ont-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Link layer does not provide any authentication
mechanism.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle" style=3D"margin-left:54pt"><s=
pan lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-v=
ariant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:normal;=
font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">The L2 headers of IEEE 802.11-OCB and L3 headers of
IPv4 are not encrypted, and expose the MAC address and IP address of both t=
he
source and destination. Adversaries could monitor the L2 or L3 headers, tra=
ck
the addresses, and through that track the position of a vehicle over time.<=
span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle" style=3D"margin-left:54pt"><s=
pan lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-v=
ariant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:normal;=
font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">MAC address randomization will not prevent tracking
if the address stays constant for long intervals. If renumbering events are=
 too
infrequent, they will not protect privacy, but if they are too frequent the=
y
will disrupt service.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpLast" style=3D"margin-left:54pt"><spa=
n lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-var=
iant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:normal;fo=
nt-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">If any of the addresses stops working, traffic
continues to flow on the working addresses. However, in this situation,
advertising multiple addresses would defeat the privacy goals.<span></span>=
</span></p>

<p class=3D"MsoNormal" style=3D"margin-left:36pt"><span lang=3D"EN-US" styl=
e=3D"font-family:&quot;times new roman&quot;,serif">Remarks:<span></span></=
span></p>

<p class=3D"gmail-MsoListParagraphCxSpFirst" style=3D"margin-left:76.15pt">=
<span lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font=
-variant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:norma=
l;font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">IPsec can be used to protect unicast communications.
If no protection is used by the IP layer, upper layers should be
cryptographically protected.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle" style=3D"margin-left:76.15pt"=
><span lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"fon=
t-variant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:norm=
al;font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">802.11-OCB provides no link level security, some
hosts may choose to implement cryptographic techniques to provide data priv=
acy
and authentication.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpMiddle" style=3D"margin-left:76.15pt"=
><span lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"fon=
t-variant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:norm=
al;font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Key exchange needs to be performed prior to the
exchange of other key information. Simply transmitting constant certificate=
s can
violate the privacy requirements. To preserve privacy, a host must change i=
ts
certificate any time it has a renumbering event.<span></span></span></p>

<p class=3D"gmail-MsoListParagraphCxSpLast" style=3D"margin-left:76.15pt"><=
span lang=3D"EN-US" style=3D"font-family:symbol">=C2=B7<span style=3D"font-=
variant-numeric:normal;font-stretch:normal;font-size:7pt;line-height:normal=
;font-family:&quot;times new roman&quot;">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0
</span></span><span lang=3D"EN-US" style=3D"font-family:&quot;times new rom=
an&quot;,serif">Hosts would be able to maintain transport
connections across renumbering events by making use of multipath TCP.</span=
></p><p class=3D"gmail-MsoListParagraphCxSpLast" style=3D"margin-left:76.15=
pt"><span lang=3D"EN-US" style=3D"font-family:&quot;times new roman&quot;,s=
erif"></span></p>Thank You=C2=A0</div></div></div><div><br></div></div><div=
 class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, Dec 1, 2016 a=
t 2:50 PM, Alexandre Petrescu <span dir=3D"ltr">&lt;<a href=3D"mailto:alexa=
ndre.petrescu@gmail.com" target=3D"_blank">alexandre.petrescu@gmail.com</a>=
&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I support this draft.<=
br>
<br>
Even though IPv4 is not in the [ipwave] charter there is requirement for<br=
>
IPv4 prototypes in vehicular networks on 802.11-OCB, at least at this time.=
<br>
<br>
Informally speaking, I would like to ask whether at your organization<br>
there is now, or planned, prototype implementation of running IPv4 over<br>
802.11-OCB.=C2=A0 I am asking because in the past we have played with some<=
br>
vehicular &#39;Mobile Router&#39; platform from some provider: it did featu=
re<br>
IPv4 but mostly on LTE, not on 802.11-OCB at 5.9GHz.=C2=A0 Maybe this chang=
ed...<br>
<br>
Alex<div><div class=3D"h5"><br>
<br>
Le 01/12/2016 =C3=A0 06:35, Gonzalo Salgueiro (gsalguei) a =C3=A9crit :<br>
</div></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex"><div><div class=3D"h5">
Hi IPWAVErs -<br>
<br>
We have just published a draft documenting how IPv4 is encoded over<br>
802.11OCB.=C2=A0 You can find it here:<br>
<br>
<a href=3D"https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00" rel=
=3D"noreferrer" target=3D"_blank">https://tools.ietf.org/html/dr<wbr>aft-li=
-ipv4-over-80211ocb-00</a><br>
<br>
We are fully aware that the WG is focused on IPv6 and that in Seoul<br>
there was consensus to remove IPv4 from<br>
draft-petrescu-ipv6-over-80211<wbr>p. I believe that at the last meeting<br=
>
the decision was to use an individual submission for IPv4 and that<br>
WG/chairs would determine how best to coordinate with this.<br>
<br>
I speak for the other authors and collaborators of this draft when I<br>
say that we=E2=80=99re all strongly in favor of an IPv6 focus for the WG.<b=
r>
It seems we may have a subtle disagreement on the need to simply<br>
document how IPv4 is to be encoded, especially in light of how<br>
consistent the alignment is with IPv6.=C2=A0 Obviously, our preference<br>
would be for the work (IPv4 over 802.11OCB) to be done officially by<br>
the WG since it seems an almost trivial exercise and with minimal<br>
overhead.=C2=A0 That said, we=E2=80=99re not here to trump WG consensus, so=
 at<br>
this point we are making the WG aware of the existence of this draft<br>
and looking for any reviews and comments to improve the document.<br>
Additionally, we=E2=80=99d greatly appreciate any coordination assistance<b=
r>
and guidance on how best (and most efficiently) to get this<br>
individual submission progressed.<br>
<br>
Thanks,<br>
<br>
Gonzalo<br>
<br>
<br>
</div></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex"><div><div class=3D"h5">
On Nov 30, 2016, at 4:43 PM, <a href=3D"mailto:internet-drafts@ietf.org" ta=
rget=3D"_blank">internet-drafts@ietf.org</a><br></div></div><span class=3D"=
">
&lt;mailto:<a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank">in=
ternet-drafts@ietf.o<wbr>rg</a>&gt; wrote:<br>
<br>
<br>
A New Internet-Draft is available from the on-line Internet-Drafts<br>
=C2=A0directories.<br>
<br>
<br>
Title=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Transmission of IPv4 over I=
EEE 802.11 in OCB mode<br>
Authors=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: Tony Li Gonzalo Salgueiro Dino F=
arinacci Filename<br>
: draft-li-ipv4-over-80211ocb-00<wbr>.txt Pages : 12 Date=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 :<br>
2016-11-30<br>
<br>
Abstract: This document describes the transmission of IPv4 packets<br>
over IEEE 802.11-2012 networks when run Outside the Context of a<br>
BSS (802.11-OCB, earlier known as 802.11p).<br>
<br>
<br>
The IETF datatracker status page for this draft is:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-li-ipv4-over-80211ocb/" r=
el=3D"noreferrer" target=3D"_blank">https://datatracker.ietf.org/d<wbr>oc/d=
raft-li-ipv4-over-80211ocb<wbr>/</a><br>
<br>
There&#39;s also a htmlized version available at:<br>
<a href=3D"https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00" rel=
=3D"noreferrer" target=3D"_blank">https://tools.ietf.org/html/dr<wbr>aft-li=
-ipv4-over-80211ocb-00</a><br>
<br>
<br>
Please note that it may take a couple of minutes from the time of<br>
submission until the htmlized version and diff are available at<br>
<a href=3D"http://tools.ietf.org" rel=3D"noreferrer" target=3D"_blank">tool=
s.ietf.org</a>.<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<br>
<a href=3D"ftp://ftp.ietf.org/internet-drafts/" rel=3D"noreferrer" target=
=3D"_blank">ftp://ftp.ietf.org/internet-dr<wbr>afts/</a><br>
<br>
______________________________<wbr>_________________ I-D-Announce<br>
mailing list <a href=3D"mailto:I-D-Announce@ietf.org" target=3D"_blank">I-D=
-Announce@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/i-d-announce" rel=3D"noref=
errer" target=3D"_blank">https://www.ietf.org/mailman/l<wbr>istinfo/i-d-ann=
ounce</a> Internet-Draft<br>
directories: <a href=3D"http://www.ietf.org/shadow.html" rel=3D"noreferrer"=
 target=3D"_blank">http://www.ietf.org/shadow.htm<wbr>l</a> or<br>
<a href=3D"ftp://ftp.ietf.org/ietf/1shadow-sites.txt" rel=3D"noreferrer" ta=
rget=3D"_blank">ftp://ftp.ietf.org/ietf/1shado<wbr>w-sites.txt</a><br>
</span></blockquote>
<br>
<br>
<br>
______________________________<wbr>_________________ its mailing list<br>
<a href=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</a> <a href=
=3D"https://www.ietf.org/mailman/listinfo/its" rel=3D"noreferrer" target=3D=
"_blank">https://www.ietf.org/mailman/l<wbr>istinfo/its</a><br>
<br>
</blockquote>
<br>
______________________________<wbr>_________________<br>
its mailing list<br>
<a href=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/its" rel=3D"noreferrer" ta=
rget=3D"_blank">https://www.ietf.org/mailman/l<wbr>istinfo/its</a><br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><d=
iv><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><div style=3D"fo=
nt-size:12.8000001907349px"><span style=3D"font-size:small">Best Regards=C2=
=A0</span><br></div><div style=3D"font-size:12.8000001907349px"><div style=
=3D"font-size:small"><br></div><b style=3D"color:rgb(102,0,0);font-size:lar=
ge"><i>Dr. Karan Verma=C2=A0</i></b><span style=3D"font-size:small">=C2=A0<=
/span><br style=3D"font-size:small"><div style=3D"font-size:small">Assistan=
t Professor=C2=A0=C2=A0<br></div><div style=3D"font-size:small">Computer Sc=
ience and Engineering Dept.<br></div><div dir=3D"ltr" style=3D"font-size:sm=
all"><div>Central University Rajasthan, India=C2=A0</div><div>Website:=C2=
=A0<a href=3D"http://www.drkaranverma.com/" style=3D"color:rgb(17,85,204)" =
target=3D"_blank">www.drkaranverma.com</a><br></div><div>Phone: +9175681692=
58</div></div></div></div></div></div></div></div></div></div>
</div>

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From nobody Fri Dec  2 02:16:40 2016
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To: "Dr. Karan Verma" <karan.verma.phd@gmail.com>
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Cc: gsalguei@cisco.com, its@ietf.org
Subject: Re: [its] I-D Action: draft-li-ipv4-over-80211ocb-00.txt
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Hi Dr. Verma,

I would like to say that I am not co-author of this 
draft-li-ipv4-over-80211ocb-00.txt, but I support it.

Additionally, I do not understand which part of the text are your 
comments.  Could you please specify which are your comments and which is 
the text from the draft?  In this way the authors may take it into 
consideration.

On the email lists at IETF there is common practice of talking like this:

person1 said:
 >>> bit is leftmost
 >>
 >> person2 said:
 >
 > bit is rightmost

Remark the use of '>' for indenting and the atribution of persons to 
text.  Common email programs realize that indentation automatically when 
one presses the 'Reply'.

Alex

Le 02/12/2016 Ã  11:04, Dr. Karan Verma a Ã©crit :
>  I read your draft and wrote some point may be help full your revise draft
>
> Description about: Transmission of IPv4 and ARP packets over IEEE
> 802.11-2012 or IEEE 802.11-OCB for vehicles, when run Outside the
> Context of a BSS (Basic service set).
>
> It only describes encapsulation of IPv4 packets.
>
> Â·         IEEE 802.11-OCB earlier known as 802.11p.
>
> Â·         Encapsulation process of IPv4: According to IEEE802.11-OCB
> (IPv4 packets are encapsulated in a LLC SNAP layer and then the 802.11
> MAC layer before transmission.)
>
> 	
>
> /Inline image 1 // //
>
>                                             /
>
>
>
>                  SNAP-Subnetwork access protocol
>
>                  LLC-Logical Link Control
>
> IPv4 packets can be transmitted as "IEEE 802.11 Data" or alternatively
> as "IEEE 802.11 QoS Data". Thus, formatted frames may appear in either
> of these formats:
>
> Inline image 2
>
> Value of Type/subtype field differs according to formats:
>
>  802.11 Data header: 0x20 (Data, Data)
>
>  802.11 QoS header: 0x28 (Data, QoS Data)
>
>  *Adaptation Layer:*These formats are slightly different than standard
> Ethernet framing for IPv4, so implementations must use an adaptation
> layer in between MAC and N/w layer to *merge up the difference* so that
> the network layer perceives traditional Ethernet encapsulation.
>
> * *
>
> Inline image 3* *
>
> * *
>
> Â·         Translated encapsulation is not sent over the 802.11-OCB
> network, but is instead presented by the device driver to the operating
> system. This allows 802.11-OCB interfaces to easily take advantage of
> all of the operating system facilities that exist for Ethernet already.
>
> Â·         MTU (Maximum transmission unit) size for IPv4 packets on
> 802.11-OCB is 1500 octets.
>
> Â·         If a packet is fragmented by the IPv4 network layer before
> transmission on 802.11-OCB, the field "Sequence number" in the 802.11
> Data header should increment for each fragment and the "Fragment number"
> field should remain 0. This is recommended because the link layer cannot
> do IP fragment reassembly.
>
> IPv4 unicast addressing strategies are:
>
> Â·         Static addressing
>
> Â·          DHCP with network assigned addresses [RFC2131]
>
> Â·          DHCP with private addressing and NAT [RFC1918] [RFC3022]
>
> Â·         Link-local addressing [RFC3927]
>
> Advantages
>
> Â·          802.11-OCB already attempts to assist with privacy by having
> a station change its MAC address.
>
> Drawbacks:
>
> Â·         Link layer does not provide any authentication mechanism.
>
> Â·         The L2 headers of IEEE 802.11-OCB and L3 headers of IPv4 are
> not encrypted, and expose the MAC address and IP address of both the
> source and destination. Adversaries could monitor the L2 or L3 headers,
> track the addresses, and through that track the position of a vehicle
> over time.
>
> Â·         MAC address randomization will not prevent tracking if the
> address stays constant for long intervals. If renumbering events are too
> infrequent, they will not protect privacy, but if they are too frequent
> they will disrupt service.
>
> Â·         If any of the addresses stops working, traffic continues to
> flow on the working addresses. However, in this situation, advertising
> multiple addresses would defeat the privacy goals.
>
> Remarks:
>
> Â·         IPsec can be used to protect unicast communications. If no
> protection is used by the IP layer, upper layers should be
> cryptographically protected.
>
> Â·         802.11-OCB provides no link level security, some hosts may
> choose to implement cryptographic techniques to provide data privacy and
> authentication.
>
> Â·         Key exchange needs to be performed prior to the exchange of
> other key information. Simply transmitting constant certificates can
> violate the privacy requirements. To preserve privacy, a host must
> change its certificate any time it has a renumbering event.
>
> Â·         Hosts would be able to maintain transport connections across
> renumbering events by making use of multipath TCP.
>
> Thank You
>
>
> On Thu, Dec 1, 2016 at 2:50 PM, Alexandre Petrescu
> <alexandre.petrescu@gmail.com <mailto:alexandre.petrescu@gmail.com>> wrote:
>
>     I support this draft.
>
>     Even though IPv4 is not in the [ipwave] charter there is requirement for
>     IPv4 prototypes in vehicular networks on 802.11-OCB, at least at
>     this time.
>
>     Informally speaking, I would like to ask whether at your organization
>     there is now, or planned, prototype implementation of running IPv4 over
>     802.11-OCB.  I am asking because in the past we have played with some
>     vehicular 'Mobile Router' platform from some provider: it did feature
>     IPv4 but mostly on LTE, not on 802.11-OCB at 5.9GHz.  Maybe this
>     changed...
>
>     Alex
>
>
>     Le 01/12/2016 Ã  06:35, Gonzalo Salgueiro (gsalguei) a Ã©crit :
>
>         Hi IPWAVErs -
>
>         We have just published a draft documenting how IPv4 is encoded over
>         802.11OCB.  You can find it here:
>
>         https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>         <https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00>
>
>         We are fully aware that the WG is focused on IPv6 and that in Seoul
>         there was consensus to remove IPv4 from
>         draft-petrescu-ipv6-over-80211p. I believe that at the last meeting
>         the decision was to use an individual submission for IPv4 and that
>         WG/chairs would determine how best to coordinate with this.
>
>         I speak for the other authors and collaborators of this draft when I
>         say that weâ€™re all strongly in favor of an IPv6 focus for the WG.
>         It seems we may have a subtle disagreement on the need to simply
>         document how IPv4 is to be encoded, especially in light of how
>         consistent the alignment is with IPv6.  Obviously, our preference
>         would be for the work (IPv4 over 802.11OCB) to be done officially by
>         the WG since it seems an almost trivial exercise and with minimal
>         overhead.  That said, weâ€™re not here to trump WG consensus, so at
>         this point we are making the WG aware of the existence of this draft
>         and looking for any reviews and comments to improve the document.
>         Additionally, weâ€™d greatly appreciate any coordination assistance
>         and guidance on how best (and most efficiently) to get this
>         individual submission progressed.
>
>         Thanks,
>
>         Gonzalo
>
>
>             On Nov 30, 2016, at 4:43 PM, internet-drafts@ietf.org
>             <mailto:internet-drafts@ietf.org>
>             <mailto:internet-drafts@ietf.org
>             <mailto:internet-drafts@ietf.org>> wrote:
>
>
>             A New Internet-Draft is available from the on-line
>             Internet-Drafts
>              directories.
>
>
>             Title           : Transmission of IPv4 over IEEE 802.11 in
>             OCB mode
>             Authors         : Tony Li Gonzalo Salgueiro Dino Farinacci
>             Filename
>             : draft-li-ipv4-over-80211ocb-00.txt Pages : 12 Date
>                 :
>             2016-11-30
>
>             Abstract: This document describes the transmission of IPv4
>             packets
>             over IEEE 802.11-2012 networks when run Outside the Context of a
>             BSS (802.11-OCB, earlier known as 802.11p).
>
>
>             The IETF datatracker status page for this draft is:
>             https://datatracker.ietf.org/doc/draft-li-ipv4-over-80211ocb/ <https://datatracker.ietf.org/doc/draft-li-ipv4-over-80211ocb/>
>
>             There's also a htmlized version available at:
>             https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00
>             <https://tools.ietf.org/html/draft-li-ipv4-over-80211ocb-00>
>
>
>             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 <http://tools.ietf.org>.
>
>             Internet-Drafts are also available by anonymous FTP at:
>             ftp://ftp.ietf.org/internet-drafts/
>             <ftp://ftp.ietf.org/internet-drafts/>
>
>             _______________________________________________ I-D-Announce
>             mailing list I-D-Announce@ietf.org
>             <mailto:I-D-Announce@ietf.org>
>             https://www.ietf.org/mailman/listinfo/i-d-announce
>             <https://www.ietf.org/mailman/listinfo/i-d-announce>
>             Internet-Draft
>             directories: http://www.ietf.org/shadow.html
>             <http://www.ietf.org/shadow.html> or
>             ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>             <ftp://ftp.ietf.org/ietf/1shadow-sites.txt>
>
>
>
>
>         _______________________________________________ its mailing list
>         its@ietf.org <mailto:its@ietf.org>
>         https://www.ietf.org/mailman/listinfo/its
>         <https://www.ietf.org/mailman/listinfo/its>
>
>
>     _______________________________________________
>     its mailing list
>     its@ietf.org <mailto:its@ietf.org>
>     https://www.ietf.org/mailman/listinfo/its
>     <https://www.ietf.org/mailman/listinfo/its>
>
>
>
>
> --
> Best Regards
>
> */Dr. Karan Verma /*
> Assistant Professor
> Computer Science and Engineering Dept.
> Central University Rajasthan, India
> Website: www.drkaranverma.com <http://www.drkaranverma.com/>
> Phone: +917568169258


From nobody Thu Dec  8 00:18:01 2016
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: [ipwave] change filters to ipwave, and proposed welcome text
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Hello IPWAVErs,

We will change the subject line of this list from [its] to [ipwave] to 
reflect the name of the Working Group.

The proposed welcome text is the following:


> This list is for discussions relative to IPWAVE - IP Wireless Access 
> in Vehicular Environments. This is a Working Group created in October 
> 2016 at the Internet Engineering Task Force (IETF).  The Charter of 
> IPWAVE describes the work ambition related to vehicular 
> communications.  It is at https://datatracker.ietf.org/wg/ipwave/charter/

Yours,

Alex


--------------B4D06FEA03D535A05011BDEE
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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=utf-8">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <p><font size="-1"><font face="Courier New">Hello IPWAVErs,</font></font></p>
    <p><font size="-1"><font face="Courier New">We will change the
          subject line of this list from [its] to [ipwave] to reflect
          the name of the Working Group.</font></font></p>
    <p><font size="-1"><font face="Courier New">The proposed welcome
          text is the following:<br>
        </font></font></p>
    <p><font size="-1"><font face="Courier New"><br>
          <blockquote type="cite">This list is for discussions relative
            to IPWAVE - IP Wireless Access in Vehicular Environments.Â 
            This is a Working Group created in October 2016 at the
            Internet Engineering Task Force (IETF).Â  The Charter of
            IPWAVE describes the work ambition related to vehicular
            communications.Â  It is at
            <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/wg/ipwave/charter/">https://datatracker.ietf.org/wg/ipwave/charter/</a></blockquote>
          <br>
        </font></font></p>
    <p><font size="-1"><font face="Courier New">Yours,</font></font></p>
    <p><font size="-1"><font face="Courier New">Alex<br>
        </font></font></p>
  </body>
</html>

--------------B4D06FEA03D535A05011BDEE--


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A new meeting session request has just been submitted by Russ Housley, a Chair of the ipwave working group.


---------------------------------------------------------
Working Group Name: IP Wireless Access in Vehicular Environments
Area Name: Internet Area
Session Requester: Russ Housley

Number of Sessions: 1
Length of Session(s):  1.5 Hours
Number of Attendees: 100
Conflicts to Avoid: 
 First Priority:  lamps stir intarea 6lo 6man manet rtgarea saag l2sm
 Second Priority: cfrg dhc roll ospf i2nsf isis lime



Special Requests:
  
---------------------------------------------------------


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> Working Group Name: IP Wireless Access in Vehicular Environments
> Area Name: Internet Area
> Session Requester: Russ Housley
> 
> Number of Sessions: 1
> Length of Session(s):  1.5 Hours
> Number of Attendees: 100
> Conflicts to Avoid: 
> First Priority:  lamps stir intarea 6lo 6man manet rtgarea saag l2sm
> Second Priority: cfrg dhc roll ospf i2nsf isis lime

Please send requests for presentation time to the mail list.

Russ


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An update to a meeting session request has just been submitted by Carlos J. Bernardos, a Chair of the ipwave working group.


---------------------------------------------------------
Working Group Name: IP Wireless Access in Vehicular Environments
Area Name: Internet Area
Session Requester: Carlos Bernardos

Number of Sessions: 1
Length of Session(s):  1.5 Hours
Number of Attendees: 100
Conflicts to Avoid: 
 First Priority: lamps stir intarea 6lo 6man manet rtgarea saag l2sm nfvrg sdnrg detnet
 Second Priority: cfrg dhc roll ospf i2nsf isis lime sfc



Special Requests:
  
---------------------------------------------------------


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An update to a meeting session request has just been submitted by Carlos J. Bernardos, a Chair of the ipwave working group.


---------------------------------------------------------
Working Group Name: IP Wireless Access in Vehicular Environments
Area Name: Internet Area
Session Requester: Carlos Bernardos

Number of Sessions: 1
Length of Session(s):  1.5 Hours
Number of Attendees: 100
Conflicts to Avoid: 
 First Priority: l2sm saag rtgarea manet 6man 6lo intarea stir lamps nfvrg sdnrg detnet
 Second Priority: lime isis i2nsf ospf roll dhc cfrg sfc



Special Requests:
  We are interested in experimenting with a classroom setup (no boardroom).
---------------------------------------------------------

