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From: "Huangjing (A)" <james.huang@huawei.com>
To: "its@ietf.org" <its@ietf.org>
Thread-Topic: Fwd: New Version Notification for draft-petrescu-its-cacc-sdo-01.txt
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Date: Wed, 8 Jul 2015 12:29:00 +0000
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Subject: [geonet/its] Fwd: New Version Notification for draft-petrescu-its-cacc-sdo-01.txt
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Hi, Folks,

A new version of our draft is available online, you can find it by the foll=
owing link:
https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01

A new sub-section about the way 3GPP sees C-ACC is added in this version.

If you have any opinions or comments, please let us know. Thanks a lot!

Best Regards
James





A new version of I-D, draft-petrescu-its-cacc-sdo-01.txt

has been successfully submitted by Alexandre Petrescu and posted to the IET=
F repository.



Name:               draft-petrescu-its-cacc-sdo

Revision:  01

Title:                  Cooperative Adaptive Cruise Control and Platooning =
at SDOs

Document date:       2015-07-02

Group:               Individual Submission

Pages:               10

URL:            https://www.ietf.org/internet-drafts/draft-petrescu-its-cac=
c-sdo-01.txt

Status:         https://datatracker.ietf.org/doc/draft-petrescu-its-cacc-sd=
o/

Htmlized:       https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01

Diff:           https://www.ietf.org/rfcdiff?url2=3Ddraft-petrescu-its-cacc=
-sdo-01



Abstract:

   This document describes the use-cases of Cooperative Adaptive Cruise

   Control, and Platooning, as defined by several Standards Development

   Organizations such as ETSI, IEEE 1609, SAE and 3GPP.



   C-ACC and Platooning involve concepts of direct vehicle-to-vehicle,

   and device-to-device communications, which are developped by 3GPP and

   precursory by the METIS EU project.  They are illustrated very

   clearly in emergency settings such as FirstNet.



   IP messages - instead of link-layer messages - are pertinent for

   C-ACC and Platooning use-cases because applications for road safety

   such as WAZE, iRezQ and Coyote (currently involving infrastructure)

   are IP messages, and proved succesful in deployments.  Applications

   such as Sentinel are direct between vehicles but are not IP,

   currently.









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



The IETF Secretariat





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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi, Folks,<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">A new version of our draft is a=
vailable online, you can find it by the following link:<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"https://tools.ietf.o=
rg/html/draft-petrescu-its-cacc-sdo-01">https://tools.ietf.org/html/draft-p=
etrescu-its-cacc-sdo-01</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">A new sub-section about the way=
 3GPP sees C-ACC is added in this version.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you have any opinions or com=
ments, please let us know. Thanks a lot!<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">James<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">A new version of I-D, draft-=
petrescu-its-cacc-sdo-01.txt<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">has been successfully submit=
ted by Alexandre Petrescu and posted to the IETF repository.<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Name:&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-petresc=
u-its-cacc-sdo<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Revision:&nbsp; 01<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Title:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; Cooperative Adaptive Cruise Control and Platooning at SDOs<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Document date:&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp; 2015-07-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Group:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Individual S=
ubmission<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Pages:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">URL:&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://www.ietf.org/=
internet-drafts/draft-petrescu-its-cacc-sdo-01.txt">
https://www.ietf.org/internet-drafts/draft-petrescu-its-cacc-sdo-01.txt</a>=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Status:&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://datatracker.ietf.org/doc/dra=
ft-petrescu-its-cacc-sdo/">
https://datatracker.ietf.org/doc/draft-petrescu-its-cacc-sdo/</a><o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Htmlized:&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; <a href=3D"https://tools.ietf.org/html/draft-petrescu-its=
-cacc-sdo-01">
https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01</a><o:p></o:p></=
span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Diff:&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://www.ietf.org/rfcdi=
ff?url2=3Ddraft-petrescu-its-cacc-sdo-01">
https://www.ietf.org/rfcdiff?url2=3Ddraft-petrescu-its-cacc-sdo-01</a><o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Abstract:<o:p></o:p></span><=
/p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; This document d=
escribes the use-cases of Cooperative Adaptive Cruise<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; Control, and Pl=
atooning, as defined by several Standards Development<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; Organizations s=
uch as ETSI, IEEE 1609, SAE and 3GPP.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; C-ACC and Plato=
oning involve concepts of direct vehicle-to-vehicle,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; and device-to-d=
evice communications, which are developped by 3GPP and<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; precursory by t=
he METIS EU project.&nbsp; They are illustrated very<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; clearly in emer=
gency settings such as FirstNet.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; IP messages - i=
nstead of link-layer messages - are pertinent for<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; C-ACC and Plato=
oning use-cases because applications for road safety<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; such as WAZE, i=
RezQ and Coyote (currently involving infrastructure)<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; are IP messages=
, and proved succesful in deployments.&nbsp; Applications<o:p></o:p></span>=
</p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; such as Sentine=
l are direct between vehicles but are not IP,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; currently.<o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">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.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">The IETF Secretariat<o:p></o=
:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
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From: "Huangjing (A)" <james.huang@huawei.com>
To: "its@ietf.org" <its@ietf.org>
Thread-Topic: Fwd: New Version Notification for draft-petrescu-its-cacc-sdo-01.txt
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Date: Mon, 6 Jul 2015 09:00:17 +0000
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Cc: Rex Buddenberg <buddenbergr@gmail.com>, "Huangjing \(A\)" <james.huang@huawei.com>, Alexandre Petrescu <alexandre.petrescu@cea.fr>, "thierry.ernst@mines-paristech.fr" <thierry.ernst@mines-paristech.fr>
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Hi, Folks,

A new version of our draft is available online, you can find it by the foll=
owing link:
https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01

A new sub-section about the way 3GPP sees C-ACC is added in this version.

If you have any opinions or comments, please let us know. Thanks a lot!

Best Regards
James





A new version of I-D, draft-petrescu-its-cacc-sdo-01.txt

has been successfully submitted by Alexandre Petrescu and posted to the IET=
F repository.



Name:               draft-petrescu-its-cacc-sdo

Revision:  01

Title:                  Cooperative Adaptive Cruise Control and Platooning =
at SDOs

Document date:       2015-07-02

Group:               Individual Submission

Pages:               10

URL:            https://www.ietf.org/internet-drafts/draft-petrescu-its-cac=
c-sdo-01.txt

Status:         https://datatracker.ietf.org/doc/draft-petrescu-its-cacc-sd=
o/

Htmlized:       https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01

Diff:           https://www.ietf.org/rfcdiff?url2=3Ddraft-petrescu-its-cacc=
-sdo-01



Abstract:

   This document describes the use-cases of Cooperative Adaptive Cruise

   Control, and Platooning, as defined by several Standards Development

   Organizations such as ETSI, IEEE 1609, SAE and 3GPP.



   C-ACC and Platooning involve concepts of direct vehicle-to-vehicle,

   and device-to-device communications, which are developped by 3GPP and

   precursory by the METIS EU project.  They are illustrated very

   clearly in emergency settings such as FirstNet.



   IP messages - instead of link-layer messages - are pertinent for

   C-ACC and Platooning use-cases because applications for road safety

   such as WAZE, iRezQ and Coyote (currently involving infrastructure)

   are IP messages, and proved succesful in deployments.  Applications

   such as Sentinel are direct between vehicles but are not IP,

   currently.









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



The IETF Secretariat




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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hi, Folks,<o:p></o:p></span></p=
>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">A new version of our draft is a=
vailable online, you can find it by the following link:<o:p></o:p></span></=
p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><a href=3D"https://tools.ietf.o=
rg/html/draft-petrescu-its-cacc-sdo-01">https://tools.ietf.org/html/draft-p=
etrescu-its-cacc-sdo-01</a><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">A new sub-section about the way=
 3GPP sees C-ACC is added in this version.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If you have any opinions or com=
ments, please let us know. Thanks a lot!<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Best Regards<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"EN-US">James<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">A new version of I-D, draft-=
petrescu-its-cacc-sdo-01.txt<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">has been successfully submit=
ted by Alexandre Petrescu and posted to the IETF repository.<o:p></o:p></sp=
an></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Name:&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; draft-petresc=
u-its-cacc-sdo<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Revision:&nbsp; 01<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Title:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; Cooperative Adaptive Cruise Control and Platooning at SDOs<o:p></o:p>=
</span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Document date:&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp; 2015-07-02<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Group:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Individual S=
ubmission<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Pages:&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10<o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">URL:&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://www.ietf.org/=
internet-drafts/draft-petrescu-its-cacc-sdo-01.txt">
https://www.ietf.org/internet-drafts/draft-petrescu-its-cacc-sdo-01.txt</a>=
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Status:&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://datatracker.ietf.org/doc/dra=
ft-petrescu-its-cacc-sdo/">
https://datatracker.ietf.org/doc/draft-petrescu-its-cacc-sdo/</a><o:p></o:p=
></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Htmlized:&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp; <a href=3D"https://tools.ietf.org/html/draft-petrescu-its=
-cacc-sdo-01">
https://tools.ietf.org/html/draft-petrescu-its-cacc-sdo-01</a><o:p></o:p></=
span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Diff:&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"https://www.ietf.org/rfcdi=
ff?url2=3Ddraft-petrescu-its-cacc-sdo-01">
https://www.ietf.org/rfcdiff?url2=3Ddraft-petrescu-its-cacc-sdo-01</a><o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">Abstract:<o:p></o:p></span><=
/p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; This document d=
escribes the use-cases of Cooperative Adaptive Cruise<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; Control, and Pl=
atooning, as defined by several Standards Development<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; Organizations s=
uch as ETSI, IEEE 1609, SAE and 3GPP.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; C-ACC and Plato=
oning involve concepts of direct vehicle-to-vehicle,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; and device-to-d=
evice communications, which are developped by 3GPP and<o:p></o:p></span></p=
>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; precursory by t=
he METIS EU project.&nbsp; They are illustrated very<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; clearly in emer=
gency settings such as FirstNet.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; IP messages - i=
nstead of link-layer messages - are pertinent for<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; C-ACC and Plato=
oning use-cases because applications for road safety<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; such as WAZE, i=
RezQ and Coyote (currently involving infrastructure)<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; are IP messages=
, and proved succesful in deployments.&nbsp; Applications<o:p></o:p></span>=
</p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; such as Sentine=
l are direct between vehicles but are not IP,<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp; currently.<o:p>=
</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">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.<o:p></o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US">The IETF Secretariat<o:p></o=
:p></span></p>
<p class=3D"MsoPlainText"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p>&nbsp;</o:p></span></p>
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</body>
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From nobody Thu Jul 16 01:53:02 2015
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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
To: "its@ietf.org" <its@ietf.org>
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Date: Thu, 16 Jul 2015 10:52:52 +0200
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Subject: [geonet/its] ITS bar bof - meet Wednesday 11h30 at Registration Desk
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Hello,

Meet us Wednesday 11h30 at the IETF Registration Desk.

We will discuss the current charter proposal for ITS - mainly V2V 
aspects.  I will soon post the integrated text with all the received 
feedback.

Yours,

Alex Petrescu and Dapeng Liu


From nobody Thu Jul 16 05:20:44 2015
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Subject: [geonet/its] charter proposal
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Hello,

We will discuss this charter proposal in Prague.

Alex

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

Goal
----
Establishing direct and secure IP connectivity between a few vehicles
in close range is the goal of this group.

Intro
-----
Automobiles and vehicles of all types are increasingly connected to
the Internet.  Entertainment apps enhancing comfort on-board, reliable
data exchanges for road safety, and automated driving, are highly
appreciated marketing arguments for automobiles to hit the roads from
now to year 2020.  Emergency apps for new instrumented ambulances
carry many benefits both to the users and to society in general.

Why IP?
-------
Whereas the Vehicle-to-Infrastructure technologies are considered
completed and deployed in currently sold automobiles (e.g. car
tethering through driver's cellular smartphone, or SIM in On-Board
Unit, or cellular USB dongle, with NAT/DHCP and potentially Mobile
IP), the Vehicle-to-Vehicle communications are still in an infancy
stage: primitive link-specific data exchanges are limited to a
non-harmonized and limited set of applications, such as ETSI's
CAM/DENM presence signalling.  On another hand, the industry needs to
employ IP data exchanges between vehicles rather than link-specific
exchanges, in order to benefit from the reuse of a huge number of a
desktop Internet applications in a vehicular environment (extend the
Internet to mobile platforms).

Scenarios?
----------
Some of the scenarios needing IP V2V communications are: Cooperative
Adaptive Cruise Control and Platooning of vehicles.  In the emergency
landscape other applications exhibiting a need for V2V comms are also
important: virtual siren - emergency vehicle multicasting a radio
warning to nearby vehicles to make place.

How is V2V vs V2I?
------------------
Establishing direct and secure IP connectivity between a few vehicles
in close range is the goal of this group.  V2V is more than simply
connecting a vehicle to the Internet (V2I).  Because it needs a
peer-to-peer manner of IP route establishment between equally-potent
Routers in vehicles, in such a way to not disturb the V2I
communications already in place.  This manner is a step forward from
known V2I Host-to-Router or Client-to-Server paradigms (protocols
Neighbor Discovery, DHCP, ppp, Mobile IP, and similar).

What kind of solutions?
-----------------------
The current technical solutions considered to achieve IP V2V
communications are of two kinds: IP routing protocols for n-hop path
establishment between vehicles (e.g. Babel, OSPF, others) and 1-hop
link-scoped IP protocol enhancements (such as route establishment with
ICMP Router Advertisements).

There is a concern in sending IPv6 packets over the current ETSI
geonetworking protocols, with risks of the channel being swamped due
to inefficiencies of the protocol, or simply due to communication
abuse.

What kind of requirements?
--------------------------
The keyhole applications C-ACC, Platooning and virtual siren involve
IP multicast mechanisms.  The 1-hop IP V2V paths will gracefully
support IP multicast.  Due to the inherent characteristics of
safety-related communications, all new V2V mechanisms must afford
authenticity and confidentiality where necessary.  Dynamically
establishing ephemeral communication paths between automobiles in
public areas must offer privacy safeguards for the end users
(passengers).  Establishing 1-hop IP V2V paths must not break the
existing on-board protocols and applications which communicate with
the infrastructure, possibly via multiple radios.

Current version of Internet protocols
-------------------------------------
The version of the IP protocol is IPv6, to acommodate the current
generation of Internet protocols.  For backwards compatibility, IPv4
may be considered as well, but not exclusively.  Link-local addresses
will be used.

What SDOs may need this work?
-----------------------------
The requirements and standards for an Internet of Vehicles are
developed mainly at 3GPP, ETSI, NHTSA and IEEE.  For
Vehicle-to-Internet communications, 3GPP LTE and other cellular
technologies represent the long-range connectivity method; for
Vehicle-to-Vehicle communications, LTE Direct is currently specified.
Several use-cases exhibit a need for IPv6 data exchanges between
vehicles: ETSI's Cooperative Adaptive Cruise Control and Platooning.
The IEEE developed a popular link for short-range communications -
IEEE 802.11p "WAVE".  The NHTSA wrote a set of requirements for V2V
communications.

Work Items
----------
- use-case and scenarios of C-ACC and Platooning at SDOs
- Problem Statement for IP V2V application communications
- Security and Privacy Requirements for IP V2V communications
- Potentially new protocol, or protocol extensions for establishing IP
   paths for 1-hop V2V communications.  With MIB and security.

Timeline
--------
- BoF in Yokohama
- Couple of work items submitted to IESG in November 2016.
- recharter to work on solution for IP V2V.


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Subject: [geonet/its] vehicular comm's talk at tomorrow's Technical Plenary
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vehicular comm's talk at tomorrow's Technical Plenary:

https://datatracker.ietf.org/meeting/93/agenda/iab/

https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf
https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf

Alex

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    <font face="Courier New">vehicular comm's talk at tomorrow's
      Technical Plenary:<br>
      <br>
      <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/meeting/93/agenda/iab/">https://datatracker.ietf.org/meeting/93/agenda/iab/</a><br>
      <br>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf">https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf</a><br>
<a class="moz-txt-link-freetext" href="https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf">https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf</a><br>
      <br>
      Alex<br>
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If time allows this will be presented in the TLS WG Wednesday.

Alex


Le 26/06/2015 13:36, Alexandru Petrescu a écrit :
> Hello,
>
> For information, there is a new draft about TLS security.  It has been
> announced on the IETF announcements and ETSI ITS WG5 (Security) email
> lists.
>
> Please comment:
>
> https://www.ietf.org/internet-drafts/draft-lonc-tls-certieee1609-01.txt
>
> Yours,
>
> Alex Petrescu
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>
>


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Subject: Re: [geonet/its] vehicular comm's talk at tomorrow's Technical Plenary
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addition:

https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-4.pdf

Alex

Le 20/07/2015 19:33, Alexandru Petrescu a écrit :
> vehicular comm's talk at tomorrow's Technical Plenary:
>
> https://datatracker.ietf.org/meeting/93/agenda/iab/
>
> https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf
> https://www.ietf.org/proceedings/93/slides/slides-93-iab-techplenary-3.pdf
>
> Alex
>
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>


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Subject: [geonet/its] Fwd: [93attendees] FYI - live video streams available for Tech Plenary, Admin Plenary, Thursday lunch speaker
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For remote attendance the live video of the Tech Plenary, including the 
Tech Topic on Vehicular communications
is at:

https://www.ietf.org/live/

The entire tech plenary is today 9h30-11h30 Prague time:
1. Welcome
2. Reporting
   - IAB Chair
       - Appeal discussion (Ted Hardie)
   - IRTF Chair
   - RSE and RSOC Chair
3. Technical Topic: Vehicular Communications
4. Message from the ITU Secretary General
5. Highlight: Coordinating Attack Response at Internet Scale (CARIS) 
Workshop
6. IAB Open Mic

(30second delay).
There is also a "queue experiment" displayed on a screen in the Congress 
Hall.

Alex


-------- Message transfĂ©rĂ© --------
Sujet : 	[93attendees] FYI - live video streams available for Tech 
Plenary, Admin Plenary, Thursday lunch speaker
Date : 	Mon, 20 Jul 2015 22:02:17 +0000
De : 	Dan York <york@isoc.org>
Pour : 	93attendees@ietf.org <93attendees@ietf.org>



IETF 93 attendees,

As we have done at recent IETF meetings, we will be streaming the 
plenaries out of the IETF's YouTube channel.  All links can be found at:

https://www.ietf.org/live/

We are currently planning streaming coverage of the following IETF 93 
sessions:

Ă˘Â€Â˘ Technical Plenary - Tuesday, 21 July 2015, 09:30-11:30 CEST, 
Congress Hall I/II
Ă˘Â€Â˘ Administrative Plenary - Thursday, 23 July 2015, 09:00-11:30 CEST, 
Congress I/II
Ă˘Â€Â˘ Thursday lunch presentation - Thursday, 23 July 2015, 12:00-12:45 
CEST, Grand Hilton Ballroom

If you want to invite anyone remote to watch the sessions, please send 
them that link.

Please note that for viewers in Germany who are restricted from watching 
YouTube live streams, we have arranged to *also* stream the video 
through the Internet Society's Livestream.com <http://Livestream.com> 
account which we are told *is* viewable in Germany.  Those links are 
also on the https://www.ietf.org/live/ page.

Enjoy,
Dan

P.S. The Internet Society's briefing panel on Tuesday, 21 July from 
11:45-12:45pm CEST will also be streamed live. More info about it can be 
found at: 
https://www.internetsociety.org/internet-society-briefing-panel-ietf-93

--
Dan York
Senior Content Strategist, Internet Society
york@isoc.org <mailto:york@isoc.org>   +1-802-735-1624
Jabber: york@jabber.isoc.org <mailto:york@jabber.isoc.org>
Skype: danyork http://twitter.com/danyork

http://www.internetsociety.org/ <http://www.internetsociety.org/deploy360/>






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  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <font face="Courier New">For remote attendance the live video of the
      Tech Plenary, including the Tech Topic on Vehicular communications<br>
      is at:<br>
      <br>
      <a class="moz-txt-link-freetext" href="https://www.ietf.org/live/">https://www.ietf.org/live/</a><br>
      <br>
      The entire tech plenary is today 9h30-11h30 Prague time:<br>
      1. Welcome<br>
      2. Reporting<br>
      Â  - IAB Chair<br>
      Â Â Â Â Â  - Appeal discussion (Ted Hardie)<br>
      Â  - IRTF Chair<br>
      Â  - RSE and RSOC Chair<br>
      3. Technical Topic: Vehicular Communications<br>
      4. Message from the ITU Secretary General<br>
      5. Highlight: Coordinating Attack Response at Internet Scale
      (CARIS) Workshop<br>
      6. IAB Open Mic<br>
      <br>
      (30second delay).<br>
      There is also a "queue experiment" displayed on a screen in the
      Congress Hall.<br>
      <br>
      Alex<br>
    </font>
    <div class="moz-forward-container"><br>
      <br>
      -------- Message transfĂ©rĂ© --------
      <table class="moz-email-headers-table" border="0" cellpadding="0"
        cellspacing="0">
        <tbody>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">SujetÂ :
            </th>
            <td>[93attendees] FYI - live video streams available for
              Tech Plenary, Admin Plenary, Thursday lunch speaker</td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">DateÂ : </th>
            <td>Mon, 20 Jul 2015 22:02:17 +0000</td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">DeÂ : </th>
            <td>Dan York <a class="moz-txt-link-rfc2396E" href="mailto:york@isoc.org">&lt;york@isoc.org&gt;</a></td>
          </tr>
          <tr>
            <th nowrap="nowrap" valign="BASELINE" align="RIGHT">PourÂ : </th>
            <td><a class="moz-txt-link-abbreviated" href="mailto:93attendees@ietf.org">93attendees@ietf.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:93attendees@ietf.org">&lt;93attendees@ietf.org&gt;</a></td>
          </tr>
        </tbody>
      </table>
      <br>
      <br>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      IETF 93 attendees,
      <div class=""><br class="">
      </div>
      <div class="">As we have done at recent IETF meetings, we will be
        streaming the plenaries out of the IETF's YouTube channel. Â All
        links can be found at:</div>
      <div class=""><br class="">
      </div>
      <div class="">Â Â <a moz-do-not-send="true"
          href="https://www.ietf.org/live/" class="">https://www.ietf.org/live/</a></div>
      <div class=""><br class="">
      </div>
      <div class="">We are currently planning streaming coverage of the
        following IETF 93 sessions:</div>
      <div class=""><br class="">
      </div>
      <div class="">
        <div class=""><span class="Apple-tab-span" style="white-space:pre"></span>Ă˘Â€Â˘
          Technical PlenaryÂ - Tuesday, 21 July 2015, 09:30-11:30 CEST,
          Congress Hall I/II<br class="">
        </div>
        <div class=""><span class="Apple-tab-span" style="white-space:pre"></span>Ă˘Â€Â˘
          Administrative PlenaryÂ - Thursday, 23 July 2015, 09:00-11:30
          CEST, Congress I/II<br class="">
        </div>
        <div class=""><span class="Apple-tab-span" style="white-space:pre"></span>Ă˘Â€Â˘
          Thursday lunch presentationÂ - Thursday, 23 July 2015,
          12:00-12:45 CEST, Grand Hilton Ballroom</div>
        <div class=""><br class="">
        </div>
        <div class="">If you want to invite anyone remote to watch the
          sessions, please send them that link. Â </div>
        <div class=""><br class="">
        </div>
        <div class="">Please note that for viewers in Germany who are
          restricted from watching YouTube live streams, we have
          arranged to *also* stream the video through the Internet
          Society's
          <a moz-do-not-send="true" href="http://Livestream.com"
            class="">Livestream.com</a> account which we are told *is*
          viewable in Germany. Â Those links are also on the
          <a moz-do-not-send="true" href="https://www.ietf.org/live/"
            class="">https://www.ietf.org/live/</a>Â page.</div>
        <div class=""><br class="">
        </div>
        <div class="">Enjoy,</div>
        <div class="">Dan</div>
        <div class=""><br class="">
        </div>
        <div class="">P.S. The Internet Society's briefing panel on
          Tuesday, 21 July from 11:45-12:45pm CEST will also be streamed
          live. More info about it can be found at:Â <a
            moz-do-not-send="true"
href="https://www.internetsociety.org/internet-society-briefing-panel-ietf-93"
            class=""><a class="moz-txt-link-freetext" href="https://www.internetsociety.org/internet-society-briefing-panel-ietf-93">https://www.internetsociety.org/internet-society-briefing-panel-ietf-93</a></a>Â </div>
        <div class=""><br class="">
        </div>
        <div class="">
          <div style="color: rgb(0, 0, 0); letter-spacing: normal;
            orphans: auto; text-align: start; text-indent: 0px;
            text-transform: none; white-space: normal; widows: auto;
            word-spacing: 0px; -webkit-text-stroke-width: 0px;
            word-wrap: break-word; -webkit-nbsp-mode: space;
            -webkit-line-break: after-white-space;" class="">
            <div apple-content-edited="true" class="">
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                --</div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif">Dan York</font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif">Senior Content
                  Strategist, Internet Society</font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif"><a
                    moz-do-not-send="true" href="mailto:york@isoc.org"
                    class=""><a class="moz-txt-link-abbreviated" href="mailto:york@isoc.org">york@isoc.org</a></a>Â Â  +1-802-735-1624</font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif">Jabber:Â <a
                    moz-do-not-send="true"
                    href="mailto:york@jabber.isoc.org" class=""><a class="moz-txt-link-abbreviated" href="mailto:york@jabber.isoc.org">york@jabber.isoc.org</a></a>Â </font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif">Skype: danyork
                  Â Â <a moz-do-not-send="true"
                    href="http://twitter.com/danyork" class="">http://twitter.com/danyork</a></font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif"><br class="">
                </font></div>
              <div style="font-family: Calibri, sans-serif; font-size:
                14px; background-color: rgb(255, 255, 255);" class="">
                <font class="" face="Calibri,sans-serif"><a
                    moz-do-not-send="true"
                    href="http://www.internetsociety.org/deploy360/"
                    class=""><a class="moz-txt-link-freetext" href="http://www.internetsociety.org/">http://www.internetsociety.org/</a></a></font></div>
            </div>
          </div>
          <br class="Apple-interchange-newline">
          <br class="Apple-interchange-newline">
        </div>
        <br class="">
      </div>
      <br>
    </div>
    <br>
  </body>
</html>

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From nobody Wed Jul 22 01:50:52 2015
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Subject: [geonet/its] Fwd: TR: I-D Action: draft-ietf-ecrit-car-crash-03.txt
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For your information


Pour info

-----Message d'origine-----
De : I-D-Announce [mailto:i-d-announce-bounces@ietf.org] De la part de internet-drafts@ietf.org
Envoyé : lundi 6 juillet 2015 21:20
Ŕ : i-d-announce@ietf.org
Cc : ecrit@ietf.org
Objet : I-D Action: draft-ietf-ecrit-car-crash-03.txt


A New Internet-Draft is available from the on-line Internet-Drafts directories.
  This draft is a work item of the Emergency Context Resolution with Internet Technologies Working Group of the IETF.

         Title           : Next-Generation Vehicle-Initiated Emergency Calls
         Authors         : Randall Gellens
                           Brian Rosen
                           Hannes Tschofenig
	Filename        : draft-ietf-ecrit-car-crash-03.txt
	Pages           : 22
	Date            : 2015-07-06

Abstract:
    This document describes how to use IP-based emergency services
    mechanisms to support the next generation of emergency calls placed
    by vehicles (automatically in the event of a crash or serious
    incident, or manually invoked by a vehicle occupant) and conveying
    vehicle, sensor, and location data related to the crash or incident.
    Such calls are often referred to as "Automatic Crash Notification"
    (ACN), or "Advanced Automatic Crash Notification" (AACN), even in the
    case of manual trigger.  The "Advanced" qualifier refers to the
    ability to carry a richer set of data.

    This document also registers a MIME Content Type and an Emergency
    Call Additional Data Block for the vehicle, sensor, and location data
    (often referred to as "crash data" even though there is not
    necessarily a crash).  An external specification for the data format,
    contents, and structure are referenced in this document.

    Profiling and simplifications of the general emergency call
    mechanism, as described in [RFC6443] and [RFC6881], are possible due
    to the nature of the functionality that is provided in vehicles such
    as the usage of Global Satellite Navigation System (GNSS).

    This document reuses the technical aspects of next-generation pan-
    European eCall (a mandated and standardized system for emergency
    calls by in-vehicle systems within Europe and other regions), as
    described in [I-D.ietf-ecrit-ecall].  However, this document
    specifies a different set of vehicle (crash) data, specifically, the
    Vehicle Emergency Data Set (VEDS) rather than the eCall Minimum Set
    of Data (MSD).


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-ecrit-car-crash/

There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-ecrit-car-crash-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-ecrit-car-crash-03


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





From nobody Wed Jul 22 03:05:38 2015
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From: Dapeng Liu <maxpassion@gmail.com>
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Subject: [geonet/its] ITS barbof draft charter discussion today
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--bcaec502d9fa7b2344051b73e9bc
Content-Type: text/plain; charset=UTF-8

Hello all,

Time: 11:30-13:00
The location is the meeting room near the terminal room called attendee
room.
If you have interest, please join us.

------
Best Regards,
Dapeng Liu & Alex

--bcaec502d9fa7b2344051b73e9bc
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_signature">Hello all,</div><div class=
=3D"gmail_signature"><br></div><div class=3D"gmail_signature">Time: 11:30-1=
3:00</div><div class=3D"gmail_signature">The location is the meeting room n=
ear the terminal room called attendee room.</div><div class=3D"gmail_signat=
ure">If you have interest, please join us.</div><div class=3D"gmail_signatu=
re"><br>------<br>Best Regards,<br>Dapeng Liu &amp; Alex</div>
</div>

--bcaec502d9fa7b2344051b73e9bc--


From nobody Wed Jul 22 04:30:08 2015
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From: Dapeng Liu <maxpassion@gmail.com>
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Subject: [geonet/its] Why not using IPv6 link local address for one hop V2V
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--089e013a13bc9be44c051b751766
Content-Type: text/plain; charset=UTF-8

Hello all,

During the noon discussion, we were discussing whether we can use IPv6 link
local address for one hop V-V IP communication.

One reason is that the vehicle that discover a neighbor with link local
IPv6 address can not distinguish whether that is another vehicle or it is a
smart phone in the car or it is a smart phone from road side passengers.

If we want to use IPv6 link local address, a dedicate prefix for V2V may
needed.

Any thoughts?


------
Best Regards,
Dapeng Liu

--089e013a13bc9be44c051b751766
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hello all,<div><br></div><div>During the noon discussion, =
we were discussing whether we can use IPv6 link local address for one hop V=
-V IP communication.</div><div><br></div><div>One reason is that the vehicl=
e that discover a neighbor with link local IPv6 address can not distinguish=
 whether that is another vehicle or it is a smart phone in the car or it is=
 a smart phone from road side passengers. =C2=A0<br clear=3D"all"><div><br>=
</div><div>If we want to use IPv6 link local address, a dedicate prefix for=
 V2V may needed.</div><div><br></div><div>Any thoughts?</div><br><div class=
=3D"gmail_signature"><br>------<br>Best Regards,<br>Dapeng Liu</div>
</div></div>

--089e013a13bc9be44c051b751766--


From nobody Wed Jul 22 05:37:20 2015
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To: its@ietf.org
References: <CAKcc6AdUZnfRtw3sCfcCm+hHMDRaT9puTGAm1WsaJTvBxnWL3Q@mail.gmail.com>
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Date: Wed, 22 Jul 2015 14:37:13 +0200
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Hi Dapeng,

YEs, during the bar bof discussion a couple of people agreed LL 
addresses may be sufficient.  A question was raised on whether or not 
the use of link-local addresses is enough to make vehicles in close 
range talk to each other in a 1-hop manner.

To clarify, the topology would be the following:

     ----       ----  LL   LL  ----       ----
    | H1 |-----| R1 |--o   o--| R2 |-----| H2 |
     ----       ----           ----       ----

R1 and R2 may be able to communicate to each other by using their LL 
addresses, but could H1 talk to H2?

H1, R1 are in car1, and H2, R2 are in car2.  H1 is the GPS data source 
and H2 is the GPS data receiver.  H1 needs to send the location data to 
H2, in order to inform the nearby vehicle about whether they can try to 
platoon themselves.

The GPS data could be any other app-level data, for example the output 
of the odometer (speed measurement), or a camera streaming an IP video.

To me, yes, LL addresses between R1 and R2 are sufficient, but they are 
not sufficient for communication between H1 and H2.

Dedicate prefix for V2V management?  Yes, why not, could be a good help 
in making addresses.  What do the other think?

Duplicate Address Detection taking too much time between R1 and R2? 
Maybe yes.  Maybe avoid it?

LL addresses using random MAC addresses?  Good idea for privacy, but 
maybe depends on the privacy concerns?  MAC address randomization impact 
on fast auto-configuration?  Are MAC addresses required by the law to be 
visible just like the license plates are?  Or are the MAC addresses more 
like the photo of the driver - private data accepted so by the government.

Alex

Le 22/07/2015 13:30, Dapeng Liu a écrit :
> Hello all,
>
> During the noon discussion, we were discussing whether we can use IPv6
> link local address for one hop V-V IP communication.
>
> One reason is that the vehicle that discover a neighbor with link local
> IPv6 address can not distinguish whether that is another vehicle or it
> is a smart phone in the car or it is a smart phone from road side
> passengers.
>
> If we want to use IPv6 link local address, a dedicate prefix for V2V may
> needed.
>
> Any thoughts?
>
>
> ------
> Best Regards,
> Dapeng Liu
>
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>


From nobody Wed Jul 22 06:12:00 2015
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From: "Huangjing (A)" <james.huang@huawei.com>
To: Alexandru Petrescu <alexandru.petrescu@gmail.com>
Thread-Topic: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Hi, Alexandru,

Not sure why H1 cannot communicate with H2, is it because they are out of r=
ange and need another node to forward/relay the message for them?
If this is the case, then I think this is multi-hop communication, rather 1=
-hop.

Random address generation may not be a good idea due to possible duplicated=
 address.

James

> -----Original Message-----
> From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru Petrescu
> Sent: Wednesday, July 22, 2015 8:37 PM
> To: its@ietf.org
> Subject: Re: [geonet/its] Why not using IPv6 link local address for one h=
op V2V
>=20
> Hi Dapeng,
>=20
> YEs, during the bar bof discussion a couple of people agreed LL addresses=
 may
> be sufficient.  A question was raised on whether or not the use of link-l=
ocal
> addresses is enough to make vehicles in close range talk to each other in=
 a
> 1-hop manner.
>=20
> To clarify, the topology would be the following:
>=20
>      ----       ----  LL   LL  ----       ----
>     | H1 |-----| R1 |--o   o--| R2 |-----| H2 |
>      ----       ----           ----       ----
>=20
> R1 and R2 may be able to communicate to each other by using their LL
> addresses, but could H1 talk to H2?
>=20
> H1, R1 are in car1, and H2, R2 are in car2.  H1 is the GPS data source an=
d H2
> is the GPS data receiver.  H1 needs to send the location data to H2, in o=
rder to
> inform the nearby vehicle about whether they can try to platoon themselve=
s.
>=20
> The GPS data could be any other app-level data, for example the output of=
 the
> odometer (speed measurement), or a camera streaming an IP video.
>=20
> To me, yes, LL addresses between R1 and R2 are sufficient, but they are n=
ot
> sufficient for communication between H1 and H2.
>=20
> Dedicate prefix for V2V management?  Yes, why not, could be a good help i=
n
> making addresses.  What do the other think?
>=20
> Duplicate Address Detection taking too much time between R1 and R2?
> Maybe yes.  Maybe avoid it?
>=20
> LL addresses using random MAC addresses?  Good idea for privacy, but
> maybe depends on the privacy concerns?  MAC address randomization impact
> on fast auto-configuration?  Are MAC addresses required by the law to be
> visible just like the license plates are?  Or are the MAC addresses more =
like
> the photo of the driver - private data accepted so by the government.
>=20
> Alex
>=20
> Le 22/07/2015 13:30, Dapeng Liu a =E9crit :
> > Hello all,
> >
> > During the noon discussion, we were discussing whether we can use IPv6
> > link local address for one hop V-V IP communication.
> >
> > One reason is that the vehicle that discover a neighbor with link
> > local
> > IPv6 address can not distinguish whether that is another vehicle or it
> > is a smart phone in the car or it is a smart phone from road side
> > passengers.
> >
> > If we want to use IPv6 link local address, a dedicate prefix for V2V
> > may needed.
> >
> > Any thoughts?
> >
> >
> > ------
> > Best Regards,
> > Dapeng Liu
> >
> >
> > _______________________________________________
> > its mailing list
> > its@ietf.org
> > https://www.ietf.org/mailman/listinfo/its
> >
>=20
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its


From nobody Wed Jul 22 06:17:08 2015
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From: "Huangjing (A)" <james.huang@huawei.com>
To: Dapeng Liu <maxpassion@gmail.com>, "its@ietf.org" <its@ietf.org>
Thread-Topic: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Date: Wed, 22 Jul 2015 16:14:22 +0200
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From: Dapeng Liu <maxpassion@gmail.com>
To: "Huangjing (A)" <james.huang@huawei.com>
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Sure. My point is we can not just use IPv6 link local address to fulfill
the requirement.  agree?

Thanks,
Dapeng Liu

2015-07-22 15:16 GMT+02:00 Huangjing (A) <james.huang@huawei.com>:

>  Hi, Dapeng,
>
>
>
> Maybe we can distinguish a vehicle from a mobile by other means, rather
> than IP prefix / address.
>
> For message broadcast (e.g. safety related message), we may require a
> dedicated multicast address; for Unicast communication, I think we should
> make use of higher level information, such as TCP/UDP(or similar one) port
> or application level information
>
>
>
> Any thoughts?
>
>
>
> James
>
>
>
> *From:* its [mailto:its-bounces@ietf.org] *On Behalf Of *Dapeng Liu
> *Sent:* Wednesday, July 22, 2015 7:30 PM
> *To:* its@ietf.org
> *Subject:* [geonet/its] Why not using IPv6 link local address for one hop
> V2V
>
>
>
> Hello all,
>
>
>
> During the noon discussion, we were discussing whether we can use IPv6
> link local address for one hop V-V IP communication.
>
>
>
> One reason is that the vehicle that discover a neighbor with link local
> IPv6 address can not distinguish whether that is another vehicle or it is a
> smart phone in the car or it is a smart phone from road side passengers.
>
>
>
> If we want to use IPv6 link local address, a dedicate prefix for V2V may
> needed.
>
>
>
> Any thoughts?
>
>
>
>
> ------
> Best Regards,
> Dapeng Liu
>



-- 

------
Best Regards,
Dapeng Liu

--bcaec502d9fa269afa051b776344
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<div dir=3D"ltr">Sure. My point is we can not just use IPv6 link local addr=
ess to fulfill the requirement. =C2=A0agree?<div><br></div><div>Thanks,</di=
v><div>Dapeng Liu</div></div><div class=3D"gmail_extra"><br><div class=3D"g=
mail_quote">2015-07-22 15:16 GMT+02:00 Huangjing (A) <span dir=3D"ltr">&lt;=
<a href=3D"mailto:james.huang@huawei.com" target=3D"_blank">james.huang@hua=
wei.com</a>&gt;</span>:<br><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





<div lang=3D"ZH-CN" link=3D"blue" vlink=3D"purple">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Hi, Dapeng=
,<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Maybe we c=
an distinguish a vehicle from a mobile by other means, rather than IP prefi=
x / address.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">For messag=
e broadcast (e.g. safety related message), we may require a dedicated multi=
cast address; for Unicast communication, I think we should
 make use of higher level information, such as TCP/UDP(or similar one) port=
 or application level information<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Any though=
ts?<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">James<u></=
u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:10.5pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;fo=
nt-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span =
lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;"> its [mailto:<a href=3D"mailto:its-bounces@ietf.org" t=
arget=3D"_blank">its-bounces@ietf.org</a>]
<b>On Behalf Of </b>Dapeng Liu<br>
<b>Sent:</b> Wednesday, July 22, 2015 7:30 PM<br>
<b>To:</b> <a href=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</=
a><br>
<b>Subject:</b> [geonet/its] Why not using IPv6 link local address for one =
hop V2V<u></u><u></u></span></p>
</div>
</div><div><div class=3D"h5">
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Hello all,<u></u><u></u></span>=
</p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">During the noon discussion, we =
were discussing whether we can use IPv6 link local address for one hop V-V =
IP communication.<u></u><u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">One reason is that the vehicle =
that discover a neighbor with link local IPv6 address can not distinguish w=
hether that is another vehicle or it is a smart phone in the car or it is a=
 smart phone from road side passengers.
 =C2=A0<br clear=3D"all">
<u></u><u></u></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">If we want to use IPv6 link loc=
al address, a dedicate prefix for V2V may needed.<u></u><u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US">Any thoughts?<u></u><u></u></sp=
an></p>
</div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p>
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US"><br>
------<br>
Best Regards,<br>
Dapeng Liu<u></u><u></u></span></p>
</div>
</div>
</div>
</div></div></div>
</div>
</div>

</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature"><br>------<br>Best Regards,<br>Dapeng Liu</div>
</div>

--bcaec502d9fa269afa051b776344--


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To: its@ietf.org
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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Date: Wed, 22 Jul 2015 16:47:10 +0200
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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I tend to agree.  Just that I dont think we need another kind of addresses.

In other words: yes, just using LL addresses to realize V2V 
communication is not enough.  no, in that messages between routers can 
be sourced just by their link-local addresses.

Or maybe a prefix between vehicles would be needed.

The creation of IP addresses _inside_ vehicles is currently a problem as 
well.

Alex

Le 22/07/2015 16:14, Dapeng Liu a écrit :
> Sure. My point is we can not just use IPv6 link local address to fulfill
> the requirement.  agree?
>
> Thanks,
> Dapeng Liu
>
> 2015-07-22 15:16 GMT+02:00 Huangjing (A) <james.huang@huawei.com
> <mailto:james.huang@huawei.com>>:
>
>     Hi, Dapeng,____
>
>     __ __
>
>     Maybe we can distinguish a vehicle from a mobile by other means,
>     rather than IP prefix / address.____
>
>     For message broadcast (e.g. safety related message), we may require
>     a dedicated multicast address; for Unicast communication, I think we
>     should make use of higher level information, such as TCP/UDP(or
>     similar one) port or application level information____
>
>     __ __
>
>     Any thoughts?____
>
>     __ __
>
>     James____
>
>     __ __
>
>     *From:*its [mailto:its-bounces@ietf.org
>     <mailto:its-bounces@ietf.org>] *On Behalf Of *Dapeng Liu
>     *Sent:* Wednesday, July 22, 2015 7:30 PM
>     *To:* its@ietf.org <mailto:its@ietf.org>
>     *Subject:* [geonet/its] Why not using IPv6 link local address for
>     one hop V2V____
>
>     __ __
>
>     Hello all,____
>
>     __ __
>
>     During the noon discussion, we were discussing whether we can use
>     IPv6 link local address for one hop V-V IP communication.____
>
>     __ __
>
>     One reason is that the vehicle that discover a neighbor with link
>     local IPv6 address can not distinguish whether that is another
>     vehicle or it is a smart phone in the car or it is a smart phone
>     from road side passengers.
>     ____
>
>     __ __
>
>     If we want to use IPv6 link local address, a dedicate prefix for V2V
>     may needed.____
>
>     __ __
>
>     Any thoughts?____
>
>     __ __
>
>
>     ------
>     Best Regards,
>     Dapeng Liu____
>
>
>
>
> --
>
> ------
> Best Regards,
> Dapeng Liu
>
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>


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To: "Huangjing (A)" <james.huang@huawei.com>
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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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One has to think these vehicles approach and their Routers (R1, R2) are 
reachable to each other, on their egress 802.11p interfaces.

But the Hosts inside each vehicle (H1 and H2) can not see each other, 
simple because they have Ethernet cable interfaces (not 802.11p).

     ----       ----  LL   LL  ----       ----
    | H1 |-----| R1 |--o   o--| R2 |-----| H2 |
     ----       ----           ----       ----

        Ethernet        11p        Ethernet



Between H1 and H2 there are indeed 2 IP hops (R1 and R2).

But the range of action of protocols we would like to concentrate on is 
the hop between vehicles.  And use existing protocols on the hop 
_inside_ the vehicle.

R1 and R2 should do something simple between them, on that single 1-hop, 
such that H1 and H2 can talk to each other, even though H1 and H2 may be 
separated by 2 or more IP hops.

The structure inside each vehicle is relatively stable, there is no 
mobility.

The structure between vehicles is highly dynamic, but they are all 
neighbors in IP terms.

Alex


Le 22/07/2015 15:11, Huangjing (A) a écrit :
> Hi, Alexandru,
>
> Not sure why H1 cannot communicate with H2, is it because they are out of range and need another node to forward/relay the message for them?
> If this is the case, then I think this is multi-hop communication, rather 1-hop.
>
> Random address generation may not be a good idea due to possible duplicated address.
>
> James
>
>> -----Original Message-----
>> From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru Petrescu
>> Sent: Wednesday, July 22, 2015 8:37 PM
>> To: its@ietf.org
>> Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
>>
>> Hi Dapeng,
>>
>> YEs, during the bar bof discussion a couple of people agreed LL addresses may
>> be sufficient.  A question was raised on whether or not the use of link-local
>> addresses is enough to make vehicles in close range talk to each other in a
>> 1-hop manner.
>>
>> To clarify, the topology would be the following:
>>
>>       ----       ----  LL   LL  ----       ----
>>      | H1 |-----| R1 |--o   o--| R2 |-----| H2 |
>>       ----       ----           ----       ----
>>
>> R1 and R2 may be able to communicate to each other by using their LL
>> addresses, but could H1 talk to H2?
>>
>> H1, R1 are in car1, and H2, R2 are in car2.  H1 is the GPS data source and H2
>> is the GPS data receiver.  H1 needs to send the location data to H2, in order to
>> inform the nearby vehicle about whether they can try to platoon themselves.
>>
>> The GPS data could be any other app-level data, for example the output of the
>> odometer (speed measurement), or a camera streaming an IP video.
>>
>> To me, yes, LL addresses between R1 and R2 are sufficient, but they are not
>> sufficient for communication between H1 and H2.
>>
>> Dedicate prefix for V2V management?  Yes, why not, could be a good help in
>> making addresses.  What do the other think?
>>
>> Duplicate Address Detection taking too much time between R1 and R2?
>> Maybe yes.  Maybe avoid it?
>>
>> LL addresses using random MAC addresses?  Good idea for privacy, but
>> maybe depends on the privacy concerns?  MAC address randomization impact
>> on fast auto-configuration?  Are MAC addresses required by the law to be
>> visible just like the license plates are?  Or are the MAC addresses more like
>> the photo of the driver - private data accepted so by the government.
>>
>> Alex
>>
>> Le 22/07/2015 13:30, Dapeng Liu a écrit :
>>> Hello all,
>>>
>>> During the noon discussion, we were discussing whether we can use IPv6
>>> link local address for one hop V-V IP communication.
>>>
>>> One reason is that the vehicle that discover a neighbor with link
>>> local
>>> IPv6 address can not distinguish whether that is another vehicle or it
>>> is a smart phone in the car or it is a smart phone from road side
>>> passengers.
>>>
>>> If we want to use IPv6 link local address, a dedicate prefix for V2V
>>> may needed.
>>>
>>> Any thoughts?
>>>
>>>
>>> ------
>>> Best Regards,
>>> Dapeng Liu
>>>
>>>
>>> _______________________________________________
>>> 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
>


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Subject: [geonet/its] Prague plans?
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Hi all -- sorry I wasn't able to get to the meet up after the Plenary. If
anyone's still in Prague I'm around after the 17.40-19.40 session and would
be interested in meeting up in the hotel lobby to get something to eat or a
drink.

Cheers,

William

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<div dir=3D"ltr">Hi all -- sorry I wasn&#39;t able to get to the meet up af=
ter the Plenary. If anyone&#39;s still in Prague I&#39;m around after the 1=
7.40-19.40 session and would be interested in meeting up in the hotel lobby=
 to get something to eat or a drink.<div><br></div><div>Cheers,</div><div><=
br></div><div>William</div></div>

--001a11c0429e745c3a051b7848ab--


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Subject: Re: [geonet/its] Prague plans?
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Let's meet at 20h at the IETF Registration Desk go for a beer or eat.

Alex

Le 22/07/2015 17:18, William Whyte a Ă©crit :
> Hi all -- sorry I wasn't able to get to the meet up after the Plenary.
> If anyone's still in Prague I'm around after the 17.40-19.40 session and
> would be interested in meeting up in the hotel lobby to get something to
> eat or a drink.
>
> Cheers,
>
> William


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See you there!

-----Original Message-----
From: Alexandru Petrescu [mailto:alexandru.petrescu@gmail.com]
Sent: Wednesday, July 22, 2015 5:21 PM
To: William Whyte
Cc: Huangjing (A); its@ietf.org
Subject: Re: Prague plans?

Let's meet at 20h at the IETF Registration Desk go for a beer or eat.

Alex

Le 22/07/2015 17:18, William Whyte a =C3=A9crit :
> Hi all -- sorry I wasn't able to get to the meet up after the Plenary.
> If anyone's still in Prague I'm around after the 17.40-19.40 session and
> would be interested in meeting up in the hotel lobby to get something to
> eat or a drink.
>
> Cheers,
>
> William


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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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The problem with physical (as opposed to logical) 'v-v' connection is
that you have good probability of not reaching the vehicles you need to
reach most.  Like crossing traffic where the RF path is blocked by a
building.  
     Organizing unicast groups seems to me to be the logical way out.
The group membership is likely to be very dynamic.

On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:
> Hello all,
> 
> 
> During the noon discussion, we were discussing whether we can use IPv6
> link local address for one hop V-V IP communication.
> 
> 
> One reason is that the vehicle that discover a neighbor with link
> local IPv6 address can not distinguish whether that is another vehicle
> or it is a smart phone in the car or it is a smart phone from road
> side passengers.  
> 
> 
> If we want to use IPv6 link local address, a dedicate prefix for V2V
> may needed.
> 
> 
> Any thoughts?
> 
> 
> ------
> Best Regards,
> Dapeng Liu
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its



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Date: Thu, 23 Jul 2015 01:05:01 +0200
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From: Dapeng Liu <maxpassion@gmail.com>
To: dickroy@alum.mit.edu
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hopV2V
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OK. That comes to the question: should we use IP for one hop V2V. I guess
Alex have posted a picture to explain the scenario why IP is needed..

Thanks,
Dapeng Liu

2015-07-23 0:33 GMT+02:00 Richard Roy <dickroy@alum.mit.edu>:

> The real question is not "can we use IPv6 for single-hop communications?",
> the real question is "should we use a network protocol for single-hop
> communications when it is really a link-layer issue?"  I think most people
> would say "IPv6 is not necessary; MAC bridging at the data link layer is
> more than enough for this situation".
>
> IPv6 carries an overhead (>39 bytes) that V2V comms, especially on the
> crowded safety channel, do not need.
>
> Cheers,
>
> RR
>
> > -----Original Message-----
> > From: Rex Buddenberg [mailto:buddenbergr@gmail.com]
> > Sent: Wednesday, July 22, 2015 9:25 AM
> > To: Dapeng Liu
> > Cc: its@ietf.org
> > Subject: Re: [geonet/its] Why not using IPv6 link local address for one
> > hopV2V
> >
> > The problem with physical (as opposed to logical) 'v-v' connection is
> > that you have good probability of not reaching the vehicles you need to
> > reach most.  Like crossing traffic where the RF path is blocked by a
> > building.
> >      Organizing unicast groups seems to me to be the logical way out.
> > The group membership is likely to be very dynamic.
> >
> > On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:
> > > Hello all,
> > >
> > >
> > > During the noon discussion, we were discussing whether we can use IPv6
> > > link local address for one hop V-V IP communication.
> > >
> > >
> > > One reason is that the vehicle that discover a neighbor with link
> > > local IPv6 address can not distinguish whether that is another vehicle
> > > or it is a smart phone in the car or it is a smart phone from road
> > > side passengers.
> > >
> > >
> > > If we want to use IPv6 link local address, a dedicate prefix for V2V
> > > may needed.
> > >
> > >
> > > Any thoughts?
> > >
> > >
> > > ------
> > > Best Regards,
> > > Dapeng Liu
> > > _______________________________________________
> > > its mailing list
> > > its@ietf.org
> > > https://www.ietf.org/mailman/listinfo/its
> >
> >
>
>
>


-- 

------
Best Regards,
Dapeng Liu

--485b397dd5eff00c4a051b7ecc4c
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">OK. That comes to the question: should we use IP for one h=
op V2V. I guess Alex have posted a picture to explain the scenario why IP i=
s needed..<div><br></div><div>Thanks,</div><div>Dapeng Liu</div></div><div =
class=3D"gmail_extra"><br><div class=3D"gmail_quote">2015-07-23 0:33 GMT+02=
:00 Richard Roy <span dir=3D"ltr">&lt;<a href=3D"mailto:dickroy@alum.mit.ed=
u" target=3D"_blank">dickroy@alum.mit.edu</a>&gt;</span>:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex">The real question is not &quot;can we use IPv6 for single-=
hop communications?&quot;,<br>
the real question is &quot;should we use a network protocol for single-hop<=
br>
communications when it is really a link-layer issue?&quot;=C2=A0 I think mo=
st people<br>
would say &quot;IPv6 is not necessary; MAC bridging at the data link layer =
is<br>
more than enough for this situation&quot;.<br>
<br>
IPv6 carries an overhead (&gt;39 bytes) that V2V comms, especially on the<b=
r>
crowded safety channel, do not need.<br>
<br>
Cheers,<br>
<br>
RR<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
&gt; -----Original Message-----<br>
&gt; From: Rex Buddenberg [mailto:<a href=3D"mailto:buddenbergr@gmail.com">=
buddenbergr@gmail.com</a>]<br>
&gt; Sent: Wednesday, July 22, 2015 9:25 AM<br>
&gt; To: Dapeng Liu<br>
&gt; Cc: <a href=3D"mailto:its@ietf.org">its@ietf.org</a><br>
&gt; Subject: Re: [geonet/its] Why not using IPv6 link local address for on=
e<br>
&gt; hopV2V<br>
&gt;<br>
&gt; The problem with physical (as opposed to logical) &#39;v-v&#39; connec=
tion is<br>
&gt; that you have good probability of not reaching the vehicles you need t=
o<br>
&gt; reach most.=C2=A0 Like crossing traffic where the RF path is blocked b=
y a<br>
&gt; building.<br>
&gt;=C2=A0 =C2=A0 =C2=A0 Organizing unicast groups seems to me to be the lo=
gical way out.<br>
&gt; The group membership is likely to be very dynamic.<br>
&gt;<br>
&gt; On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:<br>
&gt; &gt; Hello all,<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; During the noon discussion, we were discussing whether we can use=
 IPv6<br>
&gt; &gt; link local address for one hop V-V IP communication.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; One reason is that the vehicle that discover a neighbor with link=
<br>
&gt; &gt; local IPv6 address can not distinguish whether that is another ve=
hicle<br>
&gt; &gt; or it is a smart phone in the car or it is a smart phone from roa=
d<br>
&gt; &gt; side passengers.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; If we want to use IPv6 link local address, a dedicate prefix for =
V2V<br>
&gt; &gt; may needed.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; Any thoughts?<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; ------<br>
&gt; &gt; Best Regards,<br>
&gt; &gt; Dapeng Liu<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; its mailing list<br>
&gt; &gt; <a href=3D"mailto:its@ietf.org">its@ietf.org</a><br>
&gt; &gt; <a href=3D"https://www.ietf.org/mailman/listinfo/its" rel=3D"nore=
ferrer" target=3D"_blank">https://www.ietf.org/mailman/listinfo/its</a><br>
&gt;<br>
&gt;<br>
<br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
<div class=3D"gmail_signature"><br>------<br>Best Regards,<br>Dapeng Liu</d=
iv>
</div>

--485b397dd5eff00c4a051b7ecc4c--


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To: "'Dapeng Liu'" <maxpassion@gmail.com>, <dickroy@alum.mit.edu>
Date: Thu, 23 Jul 2015 10:35:11 +0200
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hopV2V
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Hi Dapeng,

=20

To the risk of mentioning it again (Dick and I had a same discussion in =
this ITS group around the same time last  year, please see the logs) and =
again still agree with his statement below, the true question is indeed =
not if we should use IP for one-hop V2V, but also which application =
would need to have a 1-hop V2V in IPv6.=20

=20

Both ETSI and IEEE do not rely on IP for 1-hop V2V for safety-related =
communications, as simply stated: it is not required, period.=20

=20

IP is necessary for interoperability and global connectivity. So, this =
group should describe which applications would require either =
interoperability between different technologies and/or global =
connectivity (to the cloud, between vehicles over the cloud), and which =
would require direct V2V communication (which would not be done better =
via the cloud/backend).=20

=20

Once we have such description, then we can discuss if we need IPv6 for =
V2V and how to make it happen.

=20

There could be some of these applications, e.g. proximity/social =
networking (unsupervised LTE D2D, maybe WiFi direct, etc..), cellular =
traffic offloading, to name a few=E2=80=A6but we should really take the =
debate from the right end.

=20

My two cents=E2=80=A6

=20

Cheers,

=20

J=C3=A9r=C3=B4me

=20

=20

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

Dr. habil J=C3=A9r=C3=B4me H=C3=A4rri

Tenured Assistant Professor

Wireless Vehicular Networks

Description: Description : EURECOM_20ANS_FR_50

EURECOM

2229 Route des Cr=C3=AAtes - BP193

06904 SOPHIA ANTIPOLIS CEDEX

-------------------------------------------------------------------------=
---

=20

=20

=20

From: its [mailto:its-bounces@ietf.org] On Behalf Of Dapeng Liu
Sent: Thursday 23 July 2015 01:05
To: dickroy@alum.mit.edu
Cc: Rex Buddenberg; its@ietf.org
Subject: Re: [geonet/its] Why not using IPv6 link local address for one =
hopV2V

=20

OK. That comes to the question: should we use IP for one hop V2V. I =
guess Alex have posted a picture to explain the scenario why IP is =
needed..

=20

Thanks,

Dapeng Liu

=20

2015-07-23 0:33 GMT+02:00 Richard Roy <dickroy@alum.mit.edu>:

The real question is not "can we use IPv6 for single-hop =
communications?",
the real question is "should we use a network protocol for single-hop
communications when it is really a link-layer issue?"  I think most =
people
would say "IPv6 is not necessary; MAC bridging at the data link layer is
more than enough for this situation".

IPv6 carries an overhead (>39 bytes) that V2V comms, especially on the
crowded safety channel, do not need.

Cheers,

RR


> -----Original Message-----
> From: Rex Buddenberg [mailto:buddenbergr@gmail.com]
> Sent: Wednesday, July 22, 2015 9:25 AM
> To: Dapeng Liu
> Cc: its@ietf.org
> Subject: Re: [geonet/its] Why not using IPv6 link local address for =
one
> hopV2V
>
> The problem with physical (as opposed to logical) 'v-v' connection is
> that you have good probability of not reaching the vehicles you need =
to
> reach most.  Like crossing traffic where the RF path is blocked by a
> building.
>      Organizing unicast groups seems to me to be the logical way out.
> The group membership is likely to be very dynamic.
>
> On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:
> > Hello all,
> >
> >
> > During the noon discussion, we were discussing whether we can use =
IPv6
> > link local address for one hop V-V IP communication.
> >
> >
> > One reason is that the vehicle that discover a neighbor with link
> > local IPv6 address can not distinguish whether that is another =
vehicle
> > or it is a smart phone in the car or it is a smart phone from road
> > side passengers.
> >
> >
> > If we want to use IPv6 link local address, a dedicate prefix for V2V
> > may needed.
> >
> >
> > Any thoughts?
> >
> >
> > ------
> > Best Regards,
> > Dapeng Liu
> > _______________________________________________
> > its mailing list
> > its@ietf.org
> > https://www.ietf.org/mailman/listinfo/its
>
>







=20

--=20


------
Best Regards,
Dapeng Liu


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style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Hi Dapeng,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>To the risk of mentioning it again (Dick and I had a same discussion =
in this ITS group around the same time last=C2=A0 year, please see the =
logs) and again still agree with his statement below, the true question =
is indeed not if we should use IP for one-hop V2V, but also which =
application would need to have a 1-hop V2V in IPv6. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Both ETSI and IEEE do not rely on IP for 1-hop V2V for safety-related =
communications, as simply stated: it is not required, period. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>IP is necessary for interoperability and global connectivity. So, =
this group should describe which applications would require either =
interoperability between different technologies and/or global =
connectivity (to the cloud, between vehicles over the cloud), and which =
would require direct V2V communication (which would not be done better =
via the cloud/backend). <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Once we have such description, then we can discuss if we need IPv6 =
for V2V and how to make it happen.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>There could be some of these applications, e.g. proximity/social =
networking (unsupervised LTE D2D, maybe WiFi direct, etc..), cellular =
traffic offloading, to name a few=E2=80=A6but we should really take the =
debate from the right end.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>My two cents=E2=80=A6<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Cheers,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>J=C3=A9r=C3=B4me<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DFR =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
>--------------------------------------------------------------</span><sp=
an lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><b><span lang=3DFR =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
>Dr. habil J=C3=A9r=C3=B4me H=C3=A4rri</span></b><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><b><span lang=3DFR =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
>Tenured Assistant Professor</span></b><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
>Wireless Vehicular Networks</span></b><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
><img width=3D122 height=3D50 id=3D"Image_x0020_1" =
src=3D"cid:image001.jpg@01D0C532.8AEC6810" alt=3D"Description: =
Description&nbsp;: EURECOM_20ANS_FR_50"></span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR =
style=3D'font-size:8.0pt;font-family:"Calibri","sans-serif";color:black'>=
EURECOM</span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR =
style=3D'font-size:8.0pt;font-family:"Calibri","sans-serif";color:black'>=
2229 Route des Cr=C3=AAtes - BP193</span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR =
style=3D'font-size:8.0pt;font-family:"Calibri","sans-serif";color:black'>=
06904 SOPHIA ANTIPOLIS CEDEX</span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:9.0pt;font-family:"Calibri","sans-serif";color:black'>=
-------------------------------------------------------------------------=
---</span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'=
>&nbsp;</span><span lang=3DNL =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> <o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
its [mailto:its-bounces@ietf.org] <b>On Behalf Of </b>Dapeng =
Liu<br><b>Sent:</b> Thursday 23 July 2015 01:05<br><b>To:</b> =
dickroy@alum.mit.edu<br><b>Cc:</b> Rex Buddenberg; =
its@ietf.org<br><b>Subject:</b> Re: [geonet/its] Why not using IPv6 link =
local address for one hopV2V<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>OK. =
That comes to the question: should we use IP for one hop V2V. I guess =
Alex have posted a picture to explain the scenario why IP is =
needed..<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Thanks,<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Dapeng Liu<o:p></o:p></p></div></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p =
class=3DMsoNormal>2015-07-23 0:33 GMT+02:00 Richard Roy &lt;<a =
href=3D"mailto:dickroy@alum.mit.edu" =
target=3D"_blank">dickroy@alum.mit.edu</a>&gt;:<o:p></o:p></p><p =
class=3DMsoNormal>The real question is not &quot;can we use IPv6 for =
single-hop communications?&quot;,<br>the real question is &quot;should =
we use a network protocol for single-hop<br>communications when it is =
really a link-layer issue?&quot;&nbsp; I think most people<br>would say =
&quot;IPv6 is not necessary; MAC bridging at the data link layer =
is<br>more than enough for this situation&quot;.<br><br>IPv6 carries an =
overhead (&gt;39 bytes) that V2V comms, especially on the<br>crowded =
safety channel, do not =
need.<br><br>Cheers,<br><br>RR<o:p></o:p></p><div><div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br>&gt; -----Original =
Message-----<br>&gt; From: Rex Buddenberg [mailto:<a =
href=3D"mailto:buddenbergr@gmail.com">buddenbergr@gmail.com</a>]<br>&gt; =
Sent: Wednesday, July 22, 2015 9:25 AM<br>&gt; To: Dapeng Liu<br>&gt; =
Cc: <a href=3D"mailto:its@ietf.org">its@ietf.org</a><br>&gt; Subject: =
Re: [geonet/its] Why not using IPv6 link local address for one<br>&gt; =
hopV2V<br>&gt;<br>&gt; The problem with physical (as opposed to logical) =
'v-v' connection is<br>&gt; that you have good probability of not =
reaching the vehicles you need to<br>&gt; reach most.&nbsp; Like =
crossing traffic where the RF path is blocked by a<br>&gt; =
building.<br>&gt;&nbsp; &nbsp; &nbsp; Organizing unicast groups seems to =
me to be the logical way out.<br>&gt; The group membership is likely to =
be very dynamic.<br>&gt;<br>&gt; On Wed, 2015-07-22 at 13:30 +0200, =
Dapeng Liu wrote:<br>&gt; &gt; Hello all,<br>&gt; &gt;<br>&gt; =
&gt;<br>&gt; &gt; During the noon discussion, we were discussing whether =
we can use IPv6<br>&gt; &gt; link local address for one hop V-V IP =
communication.<br>&gt; &gt;<br>&gt; &gt;<br>&gt; &gt; One reason is that =
the vehicle that discover a neighbor with link<br>&gt; &gt; local IPv6 =
address can not distinguish whether that is another vehicle<br>&gt; &gt; =
or it is a smart phone in the car or it is a smart phone from =
road<br>&gt; &gt; side passengers.<br>&gt; &gt;<br>&gt; &gt;<br>&gt; =
&gt; If we want to use IPv6 link local address, a dedicate prefix for =
V2V<br>&gt; &gt; may needed.<br>&gt; &gt;<br>&gt; &gt;<br>&gt; &gt; Any =
thoughts?<br>&gt; &gt;<br>&gt; &gt;<br>&gt; &gt; ------<br>&gt; &gt; =
Best Regards,<br>&gt; &gt; Dapeng Liu<br>&gt; &gt; =
_______________________________________________<br>&gt; &gt; its mailing =
list<br>&gt; &gt; <a =
href=3D"mailto:its@ietf.org">its@ietf.org</a><br>&gt; &gt; <a =
href=3D"https://www.ietf.org/mailman/listinfo/its" =
target=3D"_blank">https://www.ietf.org/mailman/listinfo/its</a><br>&gt;<b=
r>&gt;<br><br><o:p></o:p></p></div></div></div><p =
class=3DMsoNormal><br><br clear=3Dall><o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><p class=3DMsoNormal>-- =
<o:p></o:p></p><div><p class=3DMsoNormal><br>------<br>Best =
Regards,<br>Dapeng Liu<o:p></o:p></p></div></div></div></body></html>
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From: maxpassion@gmail.com
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Cc: Rex Buddenberg <buddenbergr@gmail.com>, =?UTF-8?Q?J=C3=A9r=C3=B4me_H=C3=A4rri?= <jerome.haerri@eurecom.fr>, its@ietf.org
Subject: Re: [geonet/its] Why not using IPv6 link local address for one hopV2V
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Thanks for the comment=EF=BC=8C I agree with this approach.

Regards=EF=BC=8C
Dapeng Liu



=E2=80=94
=E9=80=9A=E8=BF=87 Mailbox =E5=8F=91=E9=80=81

On Thu, Jul 23, 2015 at 10:43 AM, Richard Roy <dickroy@alum.mit.edu>
wrote:

> Thanks Jerome.  I could not have stated it better!
>=20=20
> RR
>=20=20
>   =5F=5F=5F=5F=5F=20=20
> From: J=C3=A9r=C3=B4me H=C3=A4rri [mailto:jerome.haerri@eurecom.fr]=20
> Sent: Thursday, July 23, 2015 1:35 AM
> To: 'Dapeng Liu'; dickroy@alum.mit.edu
> Cc: 'Rex Buddenberg'; its@ietf.org
> Subject: RE: [geonet/its] Why not using IPv6 link local address for one
> hopV2V
>=20=20
> Hi Dapeng,
>=20=20
> To the risk of mentioning it again (Dick and I had a same discussion in =
this
> ITS group around the same time last  year, please see the logs) and =
again
> still agree with his statement below, the true question is indeed not if =
we
> should use IP for one-hop V2V, but also which application would need to =
have
> a 1-hop V2V in IPv6.=20
>=20=20
> Both ETSI and IEEE do not rely on IP for 1-hop V2V for safety-related
> communications, as simply stated: it is not required, period.=20
>=20=20
> IP is necessary for interoperability and global connectivity. So, this =
group
> should describe which applications would require either interoperability
> between different technologies and/or global connectivity (to the cloud,
> between vehicles over the cloud), and which would require direct V2V
> communication (which would not be done better via the cloud/backend).=20
>=20=20
> Once we have such description, then we can discuss if we need IPv6 for =
V2V
> and how to make it happen.
>=20=20
> There could be some of these applications, e.g. proximity/social =
networking
> (unsupervised LTE D2D, maybe WiFi direct, etc..), cellular traffic
> offloading, to name a few=C2=85but we should really take the debate from =
the
> right end.
>=20=20
> My two cents=C2=85
>=20=20
> Cheers,
>=20=20
> J=C3=A9r=C3=B4me
>=20=20
>=20=20
> --------------------------------------------------------------
> Dr. habil J=C3=A9r=C3=B4me H=C3=A4rri
> Tenured Assistant Professor
> Wireless Vehicular Networks
> Description: Description : EURECOM=5F20ANS=5FFR=5F50
> EURECOM
> 2229 Route des Cr=C3=AAtes - BP193
> 06904 SOPHIA ANTIPOLIS CEDEX
> -------------------------------------------------------------------------=
---
>=20=20
>=20=20
>=20=20
>=20=20
> From: its [mailto:its-bounces@ietf.org] On Behalf Of Dapeng Liu
> Sent: Thursday 23 July 2015 01:05
> To: dickroy@alum.mit.edu
> Cc: Rex Buddenberg; its@ietf.org
> Subject: Re: [geonet/its] Why not using IPv6 link local address for one
> hopV2V
>=20=20
> OK. That comes to the question: should we use IP for one hop V2V. I =
guess
> Alex have posted a picture to explain the scenario why IP is needed..
>=20=20
> Thanks,
> Dapeng Liu
>=20=20
> 2015-07-23 0:33 GMT+02:00 Richard Roy <dickroy@alum.mit.edu>:
> The real question is not =22can we use IPv6 for single-hop =
communications=3F=22,
> the real question is =22should we use a network protocol for single-hop
> communications when it is really a link-layer issue=3F=22  I think most =
people
> would say =22IPv6 is not necessary; MAC bridging at the data link layer =
is
> more than enough for this situation=22.
> IPv6 carries an overhead (>39 bytes) that V2V comms, especially on the
> crowded safety channel, do not need.
> Cheers,
> RR
>> -----Original Message-----
>> From: Rex Buddenberg [mailto:buddenbergr@gmail.com]
>> Sent: Wednesday, July 22, 2015 9:25 AM
>> To: Dapeng Liu
>> Cc: its@ietf.org
>> Subject: Re: [geonet/its] Why not using IPv6 link local address for one
>> hopV2V
>>
>> The problem with physical (as opposed to logical) 'v-v' connection is
>> that you have good probability of not reaching the vehicles you need to
>> reach most.  Like crossing traffic where the RF path is blocked by a
>> building.
>>      Organizing unicast groups seems to me to be the logical way out.
>> The group membership is likely to be very dynamic.
>>
>> On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:
>> > Hello all,
>> >
>> >
>> > During the noon discussion, we were discussing whether we can use =
IPv6
>> > link local address for one hop V-V IP communication.
>> >
>> >
>> > One reason is that the vehicle that discover a neighbor with link
>> > local IPv6 address can not distinguish whether that is another =
vehicle
>> > or it is a smart phone in the car or it is a smart phone from road
>> > side passengers.
>> >
>> >
>> > If we want to use IPv6 link local address, a dedicate prefix for V2V
>> > may needed.
>> >
>> >
>> > Any thoughts=3F
>> >
>> >
>> > ------
>> > Best Regards,
>> > Dapeng Liu
>> > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
>> > its mailing list
>> > its@ietf.org
>> > https://www.ietf.org/mailman/listinfo/its
>>
>>
>=20=20
> --=20
> ------
> Best Regards,
> Dapeng Liu
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<div>Thanks for the comment=EF=BC=8C I agree with this approach.=
<br><br>Regards=EF=BC=8C<br>Dapeng Liu</div>
<div class=3D=22mailbox=5Fsignature=22>
<br>=E2=80=94<br>=E9=80=9A=E8=BF=87 <a href=3D=22https://www.dropbox.=
com/mailbox=22>Mailbox </a>=E5=8F=91=E9=80=81</div>
<br><br><div class=3D=22gmail=5Fquote=22><p>On Thu, Jul 23, 2015 at 10:43 =
AM, Richard Roy <span dir=3D=22ltr=22>&lt;<a href=3D=22mailto:dickroy@alum.=
mit.edu=22 target=3D=22=5Fblank=22>dickroy@alum.mit.edu</a>&gt;</span> =
wrote:<br></p><blockquote class=3D=22gmail=5Fquote=22 style=3D=22margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;=22><div =
lang=3D=22EN-US=22>

<div class=3D=22Section1=22>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22navy=22 =
face=3D=22Arial=22><span style=3D=22font-size:
10.0pt;font-family:Arial;color:navy=22>Thanks Jerome.=C2=A0 I could not =
have stated it
better!<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22navy=22 =
face=3D=22Arial=22><span style=3D=22font-size:
10.0pt;font-family:Arial;color:navy=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22navy=22 =
face=3D=22Arial=22><span style=3D=22font-size:
10.0pt;font-family:Arial;color:navy=22>RR<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22navy=22 =
face=3D=22Arial=22><span style=3D=22font-size:
10.0pt;font-family:Arial;color:navy=22><p>=C2=A0</p></span></font></p>

<div style=3D=22border:none;border-left:solid blue 1.5pt;padding:0in 0in =
0in 4.0pt=22>

<div>

<div class=3D=22MsoNormal=22 align=3D=22center=22 style=3D=22text-align:cen=
ter=22><font size=3D=223=22 face=3D=22Times New Roman=22><span =
style=3D=22font-size:12.0pt=22>

<hr size=3D=223=22 width=3D=22100%=22 align=3D=22center=22></span></font></=
div>

<p class=3D=22MsoNormal=22><b><font size=3D=222=22 face=3D=22Tahoma=22><spa=
n style=3D=22font-size:10.0pt;
font-family:Tahoma;font-weight:bold=22>From:</span></font></b><font =
size=3D=222=22 face=3D=22Tahoma=22><span style=3D=22font-size:10.=
0pt;font-family:Tahoma=22> J=C3=A9r=C3=B4me H=C3=A4rri
[mailto:jerome.haerri@eurecom.fr] <br><b><span style=3D=22font-weight:bold=
=22>Sent:</span></b> Thursday, July 23, 2015 1:35
AM<br><b><span style=3D=22font-weight:bold=22>To:</span></b> 'Dapeng Liu'; =
dickroy@alum.mit.edu<br><b><span style=3D=22font-weight:bold=22>Cc:</span><=
/b> 'Rex Buddenberg'; its@ietf.org<br><b><span style=3D=22font-weight:bold=
=22>Subject:</span></b> RE: [geonet/its] Why not
using IPv6 link local address for one hopV2V</span></font></p>
<p></p>

</div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>Hi Dapeng,<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>To the risk of
mentioning it again (Dick and I had a same discussion in this ITS group =
around
the same time last=C2=A0 year, please see the logs) and again still agree =
with
his statement below, the true question is indeed not if we should use IP =
for
one-hop V2V, but also which application would need to have a 1-hop V2V in =
IPv6.
<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>Both ETSI and IEEE
do not rely on IP for 1-hop V2V for safety-related communications, as =
simply
stated: it is not required, period. <p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>IP is necessary for
interoperability and global connectivity. So, this group should describe =
which
applications would require either interoperability between different
technologies and/or global connectivity (to the cloud, between vehicles =
over
the cloud), and which would require direct V2V communication (which would =
not
be done better via the cloud/backend). <p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>Once we have such
description, then we can discuss if we need IPv6 for V2V and how to make =
it
happen.<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>There could be some
of these applications, e.g. proximity/social networking (unsupervised LTE =
D2D,
maybe WiFi direct, etc..), cellular traffic offloading, to name a =
few=E2=80=A6but we
should really take the debate from the right end.<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>My two cents=E2=80=A6<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>Cheers,<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22>J=C3=A9r=C3=B4me<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:11.=
0pt;font-family:Calibri;color:black=22>------------------------------------=
--------------------------</span></font><font size=3D=222=22 =
color=3D=22#1f497d=22 face=3D=22Calibri=22><span lang=3D=22NL=22 =
style=3D=22font-size:11.0pt;
font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><b><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:11.=
0pt;font-family:Calibri;color:black;font-weight:bold=22>Dr.
habil J=C3=A9r=C3=B4me H=C3=A4rri</span></font></b><font size=3D=222=22 =
color=3D=22#1f497d=22 face=3D=22Calibri=22><span lang=3D=22NL=22 =
style=3D=22font-size:11.0pt;font-family:Calibri;color:#1F497D=22><p></p></s=
pan></font></p>

<p class=3D=22MsoNormal=22><b><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:11.=
0pt;font-family:Calibri;color:black;font-weight:bold=22>Tenured
Assistant Professor</span></font></b><font size=3D=222=22 =
color=3D=22#1f497d=22 face=3D=22Calibri=22><span lang=3D=22NL=22 =
style=3D=22font-size:11.0pt;font-family:Calibri;color:#1F497D=22><p></p></s=
pan></font></p>

<p class=3D=22MsoNormal=22><b><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:black;font-weight:bold=22>Wireless
Vehicular Networks</span></font></b><font size=3D=222=22 =
color=3D=22#1f497d=22 face=3D=22Calibri=22><span lang=3D=22NL=22 =
style=3D=22font-size:11.0pt;font-family:Calibri;color:#1F497D=22><p></p></s=
pan></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:black=22><div id=3D=22mailbox-mask=22>&lt;image001.=
jpg&gt;</div></span></font><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span lang=3D=22NL=22 style=3D=22font-size:11.0pt;
font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=221=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:8.=
0pt;font-family:Calibri;color:black=22>EURECOM</span></font><font =
size=3D=222=22 color=3D=22#1f497d=22 face=3D=22Calibri=22><span =
lang=3D=22NL=22 style=3D=22font-size:11.0pt;
font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=221=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:8.=
0pt;font-family:Calibri;color:black=22>2229 Route des Cr=C3=AAtes -
BP193</span></font><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span lang=3D=22NL=22 style=3D=22font-size:11.=
0pt;font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=221=22 color=3D=22black=22 =
face=3D=22Calibri=22><span lang=3D=22FR=22 style=3D=22font-size:8.=
0pt;font-family:Calibri;color:black=22>06904 SOPHIA ANTIPOLIS
CEDEX</span></font><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span lang=3D=22NL=22 style=3D=22font-size:11.=
0pt;font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=221=22 color=3D=22black=22 =
face=3D=22Calibri=22><span style=3D=22font-size:9.0pt;font-family:Calibri;c=
olor:black=22>-------------------------------------------------------------=
---------------</span></font><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span lang=3D=22NL=22 style=3D=22font-size:11.0pt;
font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22black=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:black=22>=C2=A0</span></font><font size=3D=222=22 =
color=3D=22#1f497d=22 face=3D=22Calibri=22><span lang=3D=22NL=22 =
style=3D=22font-size:11.0pt;
font-family:Calibri;color:#1F497D=22><p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=222=22 color=3D=22#1f497d=22 =
face=3D=22Calibri=22><span style=3D=22font-size:11.0pt;font-family:Calibri;=
color:#1F497D=22><p>=C2=A0</p></span></font></p>

<p class=3D=22MsoNormal=22><b><font size=3D=222=22 face=3D=22Tahoma=22><spa=
n style=3D=22font-size:10.0pt;
font-family:Tahoma;font-weight:bold=22>From:</span></font></b><font =
size=3D=222=22 face=3D=22Tahoma=22><span style=3D=22font-size:10.=
0pt;font-family:Tahoma=22> its
[mailto:its-bounces@ietf.org] <b><span style=3D=22font-weight:bold=22>On =
Behalf Of </span></b>Dapeng
Liu<br><b><span style=3D=22font-weight:bold=22>Sent:</span></b> Thursday 23=
 July 2015 01:05<br><b><span style=3D=22font-weight:bold=22>To:</span></b> =
dickroy@alum.mit.edu<br><b><span style=3D=22font-weight:bold=22>Cc:</span><=
/b> Rex Buddenberg; its@ietf.org<br><b><span style=3D=22font-weight:bold=22=
>Subject:</span></b> Re: [geonet/its] Why not
using IPv6 link local address for one hopV2V<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><p>=C2=A0</p></span></font></p>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>OK. That comes to the question: should we use IP for one hop V2V.=
 I
guess Alex have posted a picture to explain the scenario why IP is needed..=
<p></p></span></font></p>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><p>=C2=A0</p></span></font></p>

</div>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>Thanks,<p></p></span></font></p>

</div>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>Dapeng Liu<p></p></span></font></p>

</div>

</div>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><p>=C2=A0</p></span></font></p>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>2015-07-23 0:33 GMT+02:00 Richard Roy &lt;<a =
href=3D=22mailto:dickroy@alum.mit.edu=22>dickroy@alum.mit.=
edu</a>&gt;:<p></p></span></font></p>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>The real question is not =22can we use IPv6 for single-hop
communications=3F=22,<br>
the real question is =22should we use a network protocol for =
single-hop<br>
communications when it is really a link-layer issue=3F=22=C2=A0 I think =
most
people<br>
would say =22IPv6 is not necessary; MAC bridging at the data link layer =
is<br>
more than enough for this situation=22.<br><br>
IPv6 carries an overhead (&gt;39 bytes) that V2V comms, especially on =
the<br>
crowded safety channel, do not need.<br><br>
Cheers,<br><br>
RR<p></p></span></font></p>

<div>

<div>

<p class=3D=22MsoNormal=22 style=3D=22margin-bottom:12.0pt=22><font =
size=3D=223=22 face=3D=22Times New Roman=22><span style=3D=22font-size:12.=
0pt=22><br>
&gt; -----Original Message-----<br>
&gt; From: Rex Buddenberg [mailto:<a href=3D=22mailto:buddenbergr@gmail.=
com=22>buddenbergr@gmail.com</a>]<br>
&gt; Sent: Wednesday, July 22, 2015 9:25 AM<br>
&gt; To: Dapeng Liu<br>
&gt; Cc: <a href=3D=22mailto:its@ietf.org=22>its@ietf.org</a><br>
&gt; Subject: Re: [geonet/its] Why not using IPv6 link local address for =
one<br>
&gt; hopV2V<br>
&gt;<br>
&gt; The problem with physical (as opposed to logical) 'v-v' connection =
is<br>
&gt; that you have good probability of not reaching the vehicles you need =
to<br>
&gt; reach most.=C2=A0 Like crossing traffic where the RF path is blocked =
by a<br>
&gt; building.<br>
&gt;=C2=A0 =C2=A0 =C2=A0 Organizing unicast groups seems to me to be the
logical way out.<br>
&gt; The group membership is likely to be very dynamic.<br>
&gt;<br>
&gt; On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:<br>
&gt; &gt; Hello all,<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; During the noon discussion, we were discussing whether we can =
use
IPv6<br>
&gt; &gt; link local address for one hop V-V IP communication.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; One reason is that the vehicle that discover a neighbor with =
link<br>
&gt; &gt; local IPv6 address can not distinguish whether that is another
vehicle<br>
&gt; &gt; or it is a smart phone in the car or it is a smart phone from =
road<br>
&gt; &gt; side passengers.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; If we want to use IPv6 link local address, a dedicate prefix for =
V2V<br>
&gt; &gt; may needed.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; Any thoughts=3F<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; ------<br>
&gt; &gt; Best Regards,<br>
&gt; &gt; Dapeng Liu<br>
&gt; &gt; =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F<br>
&gt; &gt; its mailing list<br>
&gt; &gt; <a href=3D=22mailto:its@ietf.org=22>its@ietf.org</a><br>
&gt; &gt; <a href=3D=22https://www.ietf.org/mailman/listinfo/its=22>https:/=
/www.ietf.org/mailman/listinfo/its</a><br>
&gt;<br>
&gt;<p></p></span></font></p>

</div>

</div>

</div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><br><br clear=3D=22all=22><p></p></span></font></p>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><p>=C2=A0</p></span></font></p>

</div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22>-- <p></p></span></font></p>

<div>

<p class=3D=22MsoNormal=22><font size=3D=223=22 face=3D=22Times New =
Roman=22><span style=3D=22font-size:
12.0pt=22><br>
------<br>
Best Regards,<br>
Dapeng Liu<p></p></span></font></p>

</div>

</div>

</div>

</div>



</div></blockquote></div><br>
------Nodemailer-0.5.0-?=_1-1437650426982--


From nobody Thu Jul 23 05:25:28 2015
Return-Path: <maxpassion@gmail.com>
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References: <CAKcc6AdUZnfRtw3sCfcCm+hHMDRaT9puTGAm1WsaJTvBxnWL3Q@mail.gmail.com> <1437582310.1975.212.camel@localhost.localdomain> <EAEDC8E09CA64D84BF43F9C6096C2CD5@SRA4> <CAKcc6AeaZtn8M_dYGNWgoErz4Oc9GoBFgRnc5tyTTo7Nfp1MwQ@mail.gmail.com> <EA87A11379544158B1581436E787BECC@SRA4>
Date: Thu, 23 Jul 2015 14:25:16 +0200
Message-ID: <CAKcc6AcAs-jMvhrU7=WTEs0jkQPcipmmhyd6+0uGqkMu8_dMiw@mail.gmail.com>
From: Dapeng Liu <maxpassion@gmail.com>
To: dickroy@alum.mit.edu
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Cc: Rex Buddenberg <buddenbergr@gmail.com>, "its@ietf.org" <its@ietf.org>
Subject: Re: [geonet/its] Why not using IPv6 link local address for one hopV2V
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--bcaec5196a6fddbc54051b89fa34
Content-Type: text/plain; charset=UTF-8

This one:
https://mailarchive.ietf.org/arch/msg/its/APoKCskywm6sEVSo2g7RjuRH15E


2015-07-23 1:29 GMT+02:00 Richard Roy <dickroy@alum.mit.edu>:

>
>
>
>   ------------------------------
>
> *From:* Dapeng Liu [mailto:maxpassion@gmail.com]
> *Sent:* Wednesday, July 22, 2015 4:05 PM
> *To:* dickroy@alum.mit.edu
> *Cc:* Rex Buddenberg; its@ietf.org
> *Subject:* Re: [geonet/its] Why not using IPv6 link local address for one
> hopV2V
>
>
>
> OK. That comes to the question: should we use IP for one hop V2V. I guess
> Alex have posted a picture to explain the scenario why IP is needed..
>
> *[RR>] Not sure I've seen that posting.  Perhaps Alex could re-post it??*
>
>
>
> Thanks,
>
> Dapeng Liu
>
>
>
> 2015-07-23 0:33 GMT+02:00 Richard Roy <dickroy@alum.mit.edu>:
>
> The real question is not "can we use IPv6 for single-hop communications?",
> the real question is "should we use a network protocol for single-hop
> communications when it is really a link-layer issue?"  I think most people
> would say "IPv6 is not necessary; MAC bridging at the data link layer is
> more than enough for this situation".
>
> IPv6 carries an overhead (>39 bytes) that V2V comms, especially on the
> crowded safety channel, do not need.
>
> Cheers,
>
> RR
>
>
> > -----Original Message-----
> > From: Rex Buddenberg [mailto:buddenbergr@gmail.com]
> > Sent: Wednesday, July 22, 2015 9:25 AM
> > To: Dapeng Liu
> > Cc: its@ietf.org
> > Subject: Re: [geonet/its] Why not using IPv6 link local address for one
> > hopV2V
> >
> > The problem with physical (as opposed to logical) 'v-v' connection is
> > that you have good probability of not reaching the vehicles you need to
> > reach most.  Like crossing traffic where the RF path is blocked by a
> > building.
> >      Organizing unicast groups seems to me to be the logical way out.
> > The group membership is likely to be very dynamic.
> >
> > On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:
> > > Hello all,
> > >
> > >
> > > During the noon discussion, we were discussing whether we can use IPv6
> > > link local address for one hop V-V IP communication.
> > >
> > >
> > > One reason is that the vehicle that discover a neighbor with link
> > > local IPv6 address can not distinguish whether that is another vehicle
> > > or it is a smart phone in the car or it is a smart phone from road
> > > side passengers.
> > >
> > >
> > > If we want to use IPv6 link local address, a dedicate prefix for V2V
> > > may needed.
> > >
> > >
> > > Any thoughts?
> > >
> > >
> > > ------
> > > Best Regards,
> > > Dapeng Liu
> > > _______________________________________________
> > > its mailing list
> > > its@ietf.org
> > > https://www.ietf.org/mailman/listinfo/its
> >
> >
>
>
>
>
>
> --
>
>
> ------
> Best Regards,
> Dapeng Liu
>



-- 

------
Best Regards,
Dapeng Liu

--bcaec5196a6fddbc54051b89fa34
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">This one: =C2=A0<div><a href=3D"https://mailarchive.ietf.o=
rg/arch/msg/its/APoKCskywm6sEVSo2g7RjuRH15E">https://mailarchive.ietf.org/a=
rch/msg/its/APoKCskywm6sEVSo2g7RjuRH15E</a><br></div><div><br></div></div><=
div class=3D"gmail_extra"><br><div class=3D"gmail_quote">2015-07-23 1:29 GM=
T+02:00 Richard Roy <span dir=3D"ltr">&lt;<a href=3D"mailto:dickroy@alum.mi=
t.edu" target=3D"_blank">dickroy@alum.mit.edu</a>&gt;</span>:<br><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">




<u></u>





<div lang=3D"EN-US" link=3D"blue" vlink=3D"blue">

<div>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"navy" face=3D"Arial"><span=
 style=3D"font-size:10.0pt;font-family:Arial;color:navy"><u></u>=C2=A0<u></=
u></span></font></p>

<p class=3D"MsoNormal"><font size=3D"2" color=3D"navy" face=3D"Arial"><span=
 style=3D"font-size:10.0pt;font-family:Arial;color:navy"><u></u>=C2=A0<u></=
u></span></font></p>

<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in =
4.0pt">

<div>

<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center"><font=
 size=3D"3" face=3D"Times New Roman"><span style=3D"font-size:12.0pt">

<hr size=3D"3" width=3D"100%" align=3D"center">

</span></font></div>

<p class=3D"MsoNormal"><b><font size=3D"2" face=3D"Tahoma"><span style=3D"f=
ont-size:10.0pt;font-family:Tahoma;font-weight:bold">From:</span></font></b=
><font size=3D"2" face=3D"Tahoma"><span style=3D"font-size:10.0pt;font-fami=
ly:Tahoma"> Dapeng Liu
[mailto:<a href=3D"mailto:maxpassion@gmail.com" target=3D"_blank">maxpassio=
n@gmail.com</a>] <br>
<b><span style=3D"font-weight:bold">Sent:</span></b> Wednesday, July 22, 20=
15
4:05 PM<br>
<b><span style=3D"font-weight:bold">To:</span></b> <u></u><a href=3D"mailto=
:dickroy@alum.mit.edu" target=3D"_blank">dickroy@alum.mit.edu</a><u></u><br=
>
<b><span style=3D"font-weight:bold">Cc:</span></b> Rex Buddenberg; <a href=
=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</a><span class=3D""=
><br>
<b><span style=3D"font-weight:bold">Subject:</span></b> Re: [geonet/its] Wh=
y not
using IPv6 link local address for one hopV2V</span></span></font><u></u><u>=
</u></p>

</div>

<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><u></u>=C2=A0<u></u></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">OK. That comes to the question: should we use IP for=
 one hop V2V. I
guess Alex have posted a picture to explain the scenario why IP is needed..=
<u></u><u></u></span></font></p>

<p class=3D"MsoNormal"><b><i><font size=3D"2" color=3D"navy" face=3D"Arial"=
><span style=3D"font-size:10.0pt;font-family:Arial;color:navy;font-weight:b=
old;font-style:italic">[RR&gt;] Not sure I&#39;ve seen that posting.=C2=A0 =
Perhaps Alex
could re-post it??</span></font></i></b><font size=3D"2" color=3D"navy" fac=
e=3D"Arial"><span style=3D"font-size:10.0pt;font-family:Arial;color:navy"><=
u></u><u></u></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"><u></u>=C2=A0<u></u></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">Thanks,<u></u><u></u></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">Dapeng Liu<u></u><u></u></span></font></p>

</div>

</div><div><div class=3D"h5">

<div>

<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><u></u>=C2=A0<u></u></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">2015-07-23 0:33 GMT+02:00 Richard Roy &lt;<a href=3D=
"mailto:dickroy@alum.mit.edu" target=3D"_blank">dickroy@alum.mit.edu</a>&gt=
;:<u></u><u></u></span></font></p>

<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt">The real question is not &quot;can we use IPv6 for s=
ingle-hop
communications?&quot;,<br>
the real question is &quot;should we use a network protocol for single-hop<=
br>
communications when it is really a link-layer issue?&quot;=C2=A0 I think mo=
st
people<br>
would say &quot;IPv6 is not necessary; MAC bridging at the data link layer =
is<br>
more than enough for this situation&quot;.<br>
<br>
IPv6 carries an overhead (&gt;39 bytes) that V2V comms, especially on the<b=
r>
crowded safety channel, do not need.<br>
<br>
Cheers,<br>
<br>
RR<u></u><u></u></span></font></p>

<div>

<div>

<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><font size=3D"3" face=
=3D"Times New Roman"><span style=3D"font-size:12.0pt"><br>
&gt; -----Original Message-----<br>
&gt; From: Rex Buddenberg [mailto:<a href=3D"mailto:buddenbergr@gmail.com" =
target=3D"_blank">buddenbergr@gmail.com</a>]<br>
&gt; Sent: Wednesday, July 22, 2015 9:25 AM<br>
&gt; To: Dapeng Liu<br>
&gt; Cc: <a href=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</a>=
<br>
&gt; Subject: Re: [geonet/its] Why not using IPv6 link local address for on=
e<br>
&gt; hopV2V<br>
&gt;<br>
&gt; The problem with physical (as opposed to logical) &#39;v-v&#39; connec=
tion is<br>
&gt; that you have good probability of not reaching the vehicles you need t=
o<br>
&gt; reach most.=C2=A0 Like crossing traffic where the RF path is blocked b=
y a<br>
&gt; building.<br>
&gt;=C2=A0 =C2=A0 =C2=A0 Organizing unicast groups seems to me to be the
logical way out.<br>
&gt; The group membership is likely to be very dynamic.<br>
&gt;<br>
&gt; On Wed, 2015-07-22 at 13:30 +0200, Dapeng Liu wrote:<br>
&gt; &gt; Hello all,<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; During the noon discussion, we were discussing whether we can use
IPv6<br>
&gt; &gt; link local address for one hop V-V IP communication.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; One reason is that the vehicle that discover a neighbor with link=
<br>
&gt; &gt; local IPv6 address can not distinguish whether that is another
vehicle<br>
&gt; &gt; or it is a smart phone in the car or it is a smart phone from roa=
d<br>
&gt; &gt; side passengers.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; If we want to use IPv6 link local address, a dedicate prefix for =
V2V<br>
&gt; &gt; may needed.<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; Any thoughts?<br>
&gt; &gt;<br>
&gt; &gt;<br>
&gt; &gt; ------<br>
&gt; &gt; Best Regards,<br>
&gt; &gt; Dapeng Liu<br>
&gt; &gt; _______________________________________________<br>
&gt; &gt; its mailing list<br>
&gt; &gt; <a href=3D"mailto:its@ietf.org" target=3D"_blank">its@ietf.org</a=
><br>
&gt; &gt; <a href=3D"https://www.ietf.org/mailman/listinfo/its" target=3D"_=
blank">https://www.ietf.org/mailman/listinfo/its</a><br>
&gt;<br>
&gt;<br>
<br>
<u></u><u></u></span></font></p>

</div>

</div>

</div>

<p class=3D"MsoNormal"><font size=3D"3" face=3D"Times New Roman"><span styl=
e=3D"font-size:12.0pt"><br>
<br clear=3D"all">
<u></u><u></u></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"><u></u>=C2=A0<u></u></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">-- <u></u><u></u></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>
------<br>
Best Regards,<br>
Dapeng Liu<u></u><u></u></span></font></p>

</div>

</div>

</div></div></div>

</div>

</div>


</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature"><br>------<br>Best Regards,<br>Dapeng Liu</div>
</div>

--bcaec5196a6fddbc54051b89fa34--


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From: "Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com>
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Subject: [geonet/its]  Request for Meeting
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--001a1139797ee303c5051b9292e6
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Hi Geonet/ITS buddy,
My name is Paul Jeong, a faculty member at Sungkyunkwan University in South
Korea.

I heard your activity for ITS and VANET research at IETF.
I have much interest in this group because my lab research is focused on
vehicular MAC protocols, data forwarding, safety driving, and navigation.

If some of you related to this group are still staying in the IETF93 venue,
I would like to meet you and discuss how to contribute to the activity of
this group.
Please let me know when and where I can meet you this Friday.

Thanks.

Paul
-- 
===========================
Mr. Jaehoon (Paul) Jeong, Ph.D.
Assistant Professor
Department of Software
Sungkyunkwan University
Office: +82-31-299-4957
Email: jaehoon.paul@gmail.com, pauljeong@skku.edu
Personal Homepage: http://cpslab.skku.edu/people-jaehoon-jeong.php

--001a1139797ee303c5051b9292e6
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<div dir=3D"ltr">Hi Geonet/ITS buddy,<div>My name is Paul Jeong, a faculty =
member at Sungkyunkwan University in South Korea.</div><div><br></div><div>=
I heard your activity for ITS and VANET research at IETF.</div><div>I have =
much interest in this group because my lab research is focused on</div><div=
>vehicular MAC protocols, data forwarding, safety driving, and navigation.<=
/div><div><br></div><div>If some of you related to this group are still sta=
ying in the IETF93 venue,</div><div>I would like to meet you and discuss ho=
w to contribute to the activity of this group.</div><div>Please let me know=
 when and where I can meet you this Friday.<br></div><div><br></div><div>Th=
anks.</div><div><br></div><div>Paul</div><div>-- <br><div class=3D"gmail_si=
gnature"><div dir=3D"ltr"><div><div dir=3D"ltr">=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br>Mr. Jaehoon (Paul=
) Jeong, Ph.D.<br>Assistant Professor<br>Department of Software<br>Sungkyun=
kwan University<br>Office: +82-31-299-4957<br>Email: <a href=3D"mailto:jaeh=
oon.paul@gmail.com" target=3D"_blank">jaehoon.paul@gmail.com</a>,=C2=A0<a h=
ref=3D"mailto:pauljeong@skku.edu" style=3D"font-size:12.8000001907349px" ta=
rget=3D"_blank">pauljeong@skku.edu</a><br>Personal Homepage: <a href=3D"htt=
p://cpslab.skku.edu/people-jaehoon-jeong.php" target=3D"_blank">http://cpsl=
ab.skku.edu/people-jaehoon-jeong.php</a><br></div></div></div></div>
</div></div>

--001a1139797ee303c5051b9292e6--


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From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Date: Fri, 24 Jul 2015 06:54:04 +0200
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Subject: Re: [geonet/its] Request for Meeting
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At 12h at the IETF Registration Desk.

Alex

Le 24/07/2015 00:40, Mr. Jaehoon Paul Jeong a écrit :
> Hi Geonet/ITS buddy,
> My name is Paul Jeong, a faculty member at Sungkyunkwan University in
> South Korea.
>
> I heard your activity for ITS and VANET research at IETF.
> I have much interest in this group because my lab research is focused on
> vehicular MAC protocols, data forwarding, safety driving, and navigation.
>
> If some of you related to this group are still staying in the IETF93 venue,
> I would like to meet you and discuss how to contribute to the activity
> of this group.
> Please let me know when and where I can meet you this Friday.
>
> Thanks.
>
> Paul
> --
> ===========================
> Mr. Jaehoon (Paul) Jeong, Ph.D.
> Assistant Professor
> Department of Software
> Sungkyunkwan University
> Office: +82-31-299-4957
> Email: jaehoon.paul@gmail.com <mailto:jaehoon.paul@gmail.com>,
> pauljeong@skku.edu <mailto:pauljeong@skku.edu>
> Personal Homepage: http://cpslab.skku.edu/people-jaehoon-jeong.php
>
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its
>


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--94eb2c0767f03b3393051b97f7e3
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Hi Alex,
Sure, let's meet at 12h at IETF registration desk.

Other people are welcomed.

Thanks.

Paul

On Fri, Jul 24, 2015 at 6:54 AM, Alexandru Petrescu <
alexandru.petrescu@gmail.com> wrote:

> At 12h at the IETF Registration Desk.
>
> Alex
>
> Le 24/07/2015 00:40, Mr. Jaehoon Paul Jeong a =C3=A9crit :
>
>> Hi Geonet/ITS buddy,
>> My name is Paul Jeong, a faculty member at Sungkyunkwan University in
>> South Korea.
>>
>> I heard your activity for ITS and VANET research at IETF.
>> I have much interest in this group because my lab research is focused on
>> vehicular MAC protocols, data forwarding, safety driving, and navigation=
.
>>
>> If some of you related to this group are still staying in the IETF93
>> venue,
>> I would like to meet you and discuss how to contribute to the activity
>> of this group.
>> Please let me know when and where I can meet you this Friday.
>>
>> Thanks.
>>
>> Paul
>> --
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>> Mr. Jaehoon (Paul) Jeong, Ph.D.
>> Assistant Professor
>> Department of Software
>> Sungkyunkwan University
>> Office: +82-31-299-4957
>> Email: jaehoon.paul@gmail.com <mailto:jaehoon.paul@gmail.com>,
>> pauljeong@skku.edu <mailto:pauljeong@skku.edu>
>> Personal Homepage: http://cpslab.skku.edu/people-jaehoon-jeong.php
>>
>>
>> _______________________________________________
>> 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
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D
Mr. Jaehoon (Paul) Jeong, Ph.D.
Assistant Professor
Department of Software
Sungkyunkwan University
Office: +82-31-299-4957
Email: jaehoon.paul@gmail.com, pauljeong@skku.edu
Personal Homepage: http://cpslab.skku.edu/people-jaehoon-jeong.php

--94eb2c0767f03b3393051b97f7e3
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<div dir=3D"ltr">Hi Alex,<div>Sure, let&#39;s meet at 12h at IETF registrat=
ion desk.</div><div><br></div><div>Other people are welcomed.</div><div><br=
></div><div>Thanks.</div><div><br></div><div>Paul</div></div><div class=3D"=
gmail_extra"><br><div class=3D"gmail_quote">On Fri, Jul 24, 2015 at 6:54 AM=
, Alexandru Petrescu <span dir=3D"ltr">&lt;<a href=3D"mailto:alexandru.petr=
escu@gmail.com" target=3D"_blank">alexandru.petrescu@gmail.com</a>&gt;</spa=
n> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex">At 12h at the IETF Registration=
 Desk.<br>
<br>
Alex<span class=3D""><br>
<br>
Le 24/07/2015 00:40, Mr. Jaehoon Paul Jeong a =C3=A9crit :<br>
</span><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-=
left:1px #ccc solid;padding-left:1ex"><span class=3D"">
Hi Geonet/ITS buddy,<br>
My name is Paul Jeong, a faculty member at Sungkyunkwan University in<br>
South Korea.<br>
<br>
I heard your activity for ITS and VANET research at IETF.<br>
I have much interest in this group because my lab research is focused on<br=
>
vehicular MAC protocols, data forwarding, safety driving, and navigation.<b=
r>
<br>
If some of you related to this group are still staying in the IETF93 venue,=
<br>
I would like to meet you and discuss how to contribute to the activity<br>
of this group.<br>
Please let me know when and where I can meet you this Friday.<br>
<br>
Thanks.<br>
<br>
Paul<br>
--<br>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D<br>
Mr. Jaehoon (Paul) Jeong, Ph.D.<br>
Assistant Professor<br>
Department of Software<br>
Sungkyunkwan University<br>
Office: <a href=3D"tel:%2B82-31-299-4957" value=3D"+82312994957" target=3D"=
_blank">+82-31-299-4957</a><br></span>
Email: <a href=3D"mailto:jaehoon.paul@gmail.com" target=3D"_blank">jaehoon.=
paul@gmail.com</a> &lt;mailto:<a href=3D"mailto:jaehoon.paul@gmail.com" tar=
get=3D"_blank">jaehoon.paul@gmail.com</a>&gt;,<br>
<a href=3D"mailto:pauljeong@skku.edu" target=3D"_blank">pauljeong@skku.edu<=
/a> &lt;mailto:<a href=3D"mailto:pauljeong@skku.edu" target=3D"_blank">paul=
jeong@skku.edu</a>&gt;<span class=3D""><br>
Personal Homepage: <a href=3D"http://cpslab.skku.edu/people-jaehoon-jeong.p=
hp" rel=3D"noreferrer" target=3D"_blank">http://cpslab.skku.edu/people-jaeh=
oon-jeong.php</a><br>
<br>
<br></span>
_______________________________________________<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/listinfo/its</a><br>
<br>
</blockquote>
<br>
_______________________________________________<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/listinfo/its</a><br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div class=
=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr">=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br>Mr. J=
aehoon (Paul) Jeong, Ph.D.<br>Assistant Professor<br>Department of Software=
<br>Sungkyunkwan University<br>Office: +82-31-299-4957<br>Email: <a href=3D=
"mailto:jaehoon.paul@gmail.com" target=3D"_blank">jaehoon.paul@gmail.com</a=
>,=C2=A0<a href=3D"mailto:pauljeong@skku.edu" style=3D"font-size:12.8000001=
907349px" target=3D"_blank">pauljeong@skku.edu</a><br>Personal Homepage: <a=
 href=3D"http://cpslab.skku.edu/people-jaehoon-jeong.php" target=3D"_blank"=
>http://cpslab.skku.edu/people-jaehoon-jeong.php</a><br></div></div></div><=
/div>
</div>

--94eb2c0767f03b3393051b97f7e3--


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From: "Huangjing (A)" <james.huang@huawei.com>
To: Alexandru Petrescu <alexandru.petrescu@gmail.com>
Thread-Topic: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Agree, link local address is not sufficient for V2V communication.
But, if we consider only 1-hop communication, it is probably sufficient.

James

> -----Original Message-----
> From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru Petrescu
> Sent: Wednesday, July 22, 2015 10:47 PM
> To: its@ietf.org
> Subject: Re: [geonet/its] Why not using IPv6 link local address for one h=
op V2V
>=20
> I tend to agree.  Just that I dont think we need another kind of addresse=
s.
>=20
> In other words: yes, just using LL addresses to realize V2V communication=
 is
> not enough.  no, in that messages between routers can be sourced just by
> their link-local addresses.
>=20
> Or maybe a prefix between vehicles would be needed.
>=20
> The creation of IP addresses _inside_ vehicles is currently a problem as =
well.
>=20
> Alex
>=20
> Le 22/07/2015 16:14, Dapeng Liu a =E9crit :
> > Sure. My point is we can not just use IPv6 link local address to
> > fulfill the requirement.  agree?
> >
> > Thanks,
> > Dapeng Liu
> >
> > 2015-07-22 15:16 GMT+02:00 Huangjing (A) <james.huang@huawei.com
> > <mailto:james.huang@huawei.com>>:
> >
> >     Hi, Dapeng,____
> >
> >     __ __
> >
> >     Maybe we can distinguish a vehicle from a mobile by other means,
> >     rather than IP prefix / address.____
> >
> >     For message broadcast (e.g. safety related message), we may require
> >     a dedicated multicast address; for Unicast communication, I think w=
e
> >     should make use of higher level information, such as TCP/UDP(or
> >     similar one) port or application level information____
> >
> >     __ __
> >
> >     Any thoughts?____
> >
> >     __ __
> >
> >     James____
> >
> >     __ __
> >
> >     *From:*its [mailto:its-bounces@ietf.org
> >     <mailto:its-bounces@ietf.org>] *On Behalf Of *Dapeng Liu
> >     *Sent:* Wednesday, July 22, 2015 7:30 PM
> >     *To:* its@ietf.org <mailto:its@ietf.org>
> >     *Subject:* [geonet/its] Why not using IPv6 link local address for
> >     one hop V2V____
> >
> >     __ __
> >
> >     Hello all,____
> >
> >     __ __
> >
> >     During the noon discussion, we were discussing whether we can use
> >     IPv6 link local address for one hop V-V IP communication.____
> >
> >     __ __
> >
> >     One reason is that the vehicle that discover a neighbor with link
> >     local IPv6 address can not distinguish whether that is another
> >     vehicle or it is a smart phone in the car or it is a smart phone
> >     from road side passengers.
> >     ____
> >
> >     __ __
> >
> >     If we want to use IPv6 link local address, a dedicate prefix for V2=
V
> >     may needed.____
> >
> >     __ __
> >
> >     Any thoughts?____
> >
> >     __ __
> >
> >
> >     ------
> >     Best Regards,
> >     Dapeng Liu____
> >
> >
> >
> >
> > --
> >
> > ------
> > Best Regards,
> > Dapeng Liu
> >
> >
> > _______________________________________________
> > its mailing list
> > its@ietf.org
> > https://www.ietf.org/mailman/listinfo/its
> >
>=20
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its


From nobody Fri Jul 24 12:09:37 2015
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To: "Huangjing (A)" <james.huang@huawei.com>
References: <CAKcc6AdUZnfRtw3sCfcCm+hHMDRaT9puTGAm1WsaJTvBxnWL3Q@mail.gmail.com> <774B240D54DAB844B37EE80C2DD8E8BC6746D282@SZXEMA501-MBX.china.huawei.com> <CAKcc6Ac-SbwSGbLrYM7Em6ovtLsypv987LY0wP5bxyuYY62uZA@mail.gmail.com> <55AFACEE.5010408@gmail.com> <774B240D54DAB844B37EE80C2DD8E8BC67470C3D@SZXEMA501-MBX.china.huawei.com>
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Date: Fri, 24 Jul 2015 21:09:24 +0200
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Cc: "its@ietf.org" <its@ietf.org>
Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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Maybe the terminology should change from 1-hop to 1-variable-hop and n 
stable hops (the Ethernets in the cars).

Not sure what name to give to this: n-stable-hops plus 1 variable hop.

That's the structure in V2V.

Alex

Le 24/07/2015 12:41, Huangjing (A) a écrit :
> Agree, link local address is not sufficient for V2V communication.
> But, if we consider only 1-hop communication, it is probably sufficient.
>
> James
>
>> -----Original Message-----
>> From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru Petrescu
>> Sent: Wednesday, July 22, 2015 10:47 PM
>> To: its@ietf.org
>> Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
>>
>> I tend to agree.  Just that I dont think we need another kind of addresses.
>>
>> In other words: yes, just using LL addresses to realize V2V communication is
>> not enough.  no, in that messages between routers can be sourced just by
>> their link-local addresses.
>>
>> Or maybe a prefix between vehicles would be needed.
>>
>> The creation of IP addresses _inside_ vehicles is currently a problem as well.
>>
>> Alex
>>
>> Le 22/07/2015 16:14, Dapeng Liu a écrit :
>>> Sure. My point is we can not just use IPv6 link local address to
>>> fulfill the requirement.  agree?
>>>
>>> Thanks,
>>> Dapeng Liu
>>>
>>> 2015-07-22 15:16 GMT+02:00 Huangjing (A) <james.huang@huawei.com
>>> <mailto:james.huang@huawei.com>>:
>>>
>>>      Hi, Dapeng,____
>>>
>>>      __ __
>>>
>>>      Maybe we can distinguish a vehicle from a mobile by other means,
>>>      rather than IP prefix / address.____
>>>
>>>      For message broadcast (e.g. safety related message), we may require
>>>      a dedicated multicast address; for Unicast communication, I think we
>>>      should make use of higher level information, such as TCP/UDP(or
>>>      similar one) port or application level information____
>>>
>>>      __ __
>>>
>>>      Any thoughts?____
>>>
>>>      __ __
>>>
>>>      James____
>>>
>>>      __ __
>>>
>>>      *From:*its [mailto:its-bounces@ietf.org
>>>      <mailto:its-bounces@ietf.org>] *On Behalf Of *Dapeng Liu
>>>      *Sent:* Wednesday, July 22, 2015 7:30 PM
>>>      *To:* its@ietf.org <mailto:its@ietf.org>
>>>      *Subject:* [geonet/its] Why not using IPv6 link local address for
>>>      one hop V2V____
>>>
>>>      __ __
>>>
>>>      Hello all,____
>>>
>>>      __ __
>>>
>>>      During the noon discussion, we were discussing whether we can use
>>>      IPv6 link local address for one hop V-V IP communication.____
>>>
>>>      __ __
>>>
>>>      One reason is that the vehicle that discover a neighbor with link
>>>      local IPv6 address can not distinguish whether that is another
>>>      vehicle or it is a smart phone in the car or it is a smart phone
>>>      from road side passengers.
>>>      ____
>>>
>>>      __ __
>>>
>>>      If we want to use IPv6 link local address, a dedicate prefix for V2V
>>>      may needed.____
>>>
>>>      __ __
>>>
>>>      Any thoughts?____
>>>
>>>      __ __
>>>
>>>
>>>      ------
>>>      Best Regards,
>>>      Dapeng Liu____
>>>
>>>
>>>
>>>
>>> --
>>>
>>> ------
>>> Best Regards,
>>> Dapeng Liu
>>>
>>>
>>> _______________________________________________
>>> 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
>


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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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--Apple-Mail=_113A69AE-A26C-4A30-8894-B1781EDCD818
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	charset=windows-1252

Hi Dick

If an application always need only one hop and it is alway deployed in =
the same manner in the car, probably we can use only link layer =
technologies to address and transport application data. But the same =
application could some time use one-hop and another time use multi-hop =
communications =85 of course we could manage this in an intermediate =
layer such as the ETSI facilities but it becomes more complex. It could =
be simpler for the applications to always use IP.=20

If the concern is just about the overhead due to the IP header, is could =
be reduce a lot using header compression technics.=20

JM

> Le 24 juil. 2015 =E0 21:09, Alexandru Petrescu =
<alexandru.petrescu@gmail.com> a =E9crit :
>=20
> Maybe the terminology should change from 1-hop to 1-variable-hop and n =
stable hops (the Ethernets in the cars).
>=20
> Not sure what name to give to this: n-stable-hops plus 1 variable hop.
>=20
> That's the structure in V2V.
>=20
> Alex
>=20
> Le 24/07/2015 12:41, Huangjing (A) a =E9crit :
>> Agree, link local address is not sufficient for V2V communication.
>> But, if we consider only 1-hop communication, it is probably =
sufficient.
>>=20
>> James
>>=20
>>> -----Original Message-----
>>> From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru =
Petrescu
>>> Sent: Wednesday, July 22, 2015 10:47 PM
>>> To: its@ietf.org
>>> Subject: Re: [geonet/its] Why not using IPv6 link local address for =
one hop V2V
>>>=20
>>> I tend to agree.  Just that I dont think we need another kind of =
addresses.
>>>=20
>>> In other words: yes, just using LL addresses to realize V2V =
communication is
>>> not enough.  no, in that messages between routers can be sourced =
just by
>>> their link-local addresses.
>>>=20
>>> Or maybe a prefix between vehicles would be needed.
>>>=20
>>> The creation of IP addresses _inside_ vehicles is currently a =
problem as well.
>>>=20
>>> Alex
>>>=20
>>> Le 22/07/2015 16:14, Dapeng Liu a =E9crit :
>>>> Sure. My point is we can not just use IPv6 link local address to
>>>> fulfill the requirement.  agree?
>>>>=20
>>>> Thanks,
>>>> Dapeng Liu
>>>>=20
>>>> 2015-07-22 15:16 GMT+02:00 Huangjing (A) <james.huang@huawei.com
>>>> <mailto:james.huang@huawei.com>>:
>>>>=20
>>>>     Hi, Dapeng,____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     Maybe we can distinguish a vehicle from a mobile by other =
means,
>>>>     rather than IP prefix / address.____
>>>>=20
>>>>     For message broadcast (e.g. safety related message), we may =
require
>>>>     a dedicated multicast address; for Unicast communication, I =
think we
>>>>     should make use of higher level information, such as TCP/UDP(or
>>>>     similar one) port or application level information____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     Any thoughts?____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     James____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     *From:*its [mailto:its-bounces@ietf.org
>>>>     <mailto:its-bounces@ietf.org>] *On Behalf Of *Dapeng Liu
>>>>     *Sent:* Wednesday, July 22, 2015 7:30 PM
>>>>     *To:* its@ietf.org <mailto:its@ietf.org>
>>>>     *Subject:* [geonet/its] Why not using IPv6 link local address =
for
>>>>     one hop V2V____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     Hello all,____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     During the noon discussion, we were discussing whether we can =
use
>>>>     IPv6 link local address for one hop V-V IP communication.____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     One reason is that the vehicle that discover a neighbor with =
link
>>>>     local IPv6 address can not distinguish whether that is another
>>>>     vehicle or it is a smart phone in the car or it is a smart =
phone
>>>>     from road side passengers.
>>>>     ____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     If we want to use IPv6 link local address, a dedicate prefix =
for V2V
>>>>     may needed.____
>>>>=20
>>>>     __ __
>>>>=20
>>>>     Any thoughts?____
>>>>=20
>>>>     __ __
>>>>=20
>>>>=20
>>>>     ------
>>>>     Best Regards,
>>>>     Dapeng Liu____
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> --
>>>>=20
>>>> ------
>>>> Best Regards,
>>>> Dapeng Liu
>>>>=20
>>>>=20
>>>> _______________________________________________
>>>> its mailing list
>>>> its@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/its
>>>>=20
>>>=20
>>> _______________________________________________
>>> its mailing list
>>> its@ietf.org
>>> https://www.ietf.org/mailman/listinfo/its
>>=20
>=20
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its

----------------------------
Prof. Jean-Marie BONNIN
Institut Mines T=E9l=E9com / T=E9l=E9com Bretagne
IRISA / D2 / OCIF
Head of Telecom Bretagne / RSM department (Network, Security and =
Multimedia)
Head of IRISA / D2 (Network, Telecommunication and Services)
Mob: +33 660 767 976




--Apple-Mail=_113A69AE-A26C-4A30-8894-B1781EDCD818
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div class=3D"">Hi Dick</div><div class=3D""><br =
class=3D""></div><div class=3D"">If an application always need only one =
hop and it is alway deployed in the same manner in the car, probably we =
can use only link layer technologies to address and transport =
application data. But the same application could some time use one-hop =
and another time use multi-hop communications =85 of course we could =
manage this in an intermediate layer such as the ETSI facilities but it =
becomes more complex. It could be simpler for the applications to always =
use IP.&nbsp;</div><div class=3D""><br class=3D""></div><div class=3D"">If=
 the concern is just about the overhead due to the IP header, is could =
be reduce a lot using header compression technics.&nbsp;</div><div =
class=3D""><br class=3D""></div><div class=3D"">JM</div><br =
class=3D""><div><blockquote type=3D"cite" class=3D""><div class=3D"">Le =
24 juil. 2015 =E0 21:09, Alexandru Petrescu &lt;<a =
href=3D"mailto:alexandru.petrescu@gmail.com" =
class=3D"">alexandru.petrescu@gmail.com</a>&gt; a =E9crit :</div><br =
class=3D"Apple-interchange-newline"><div class=3D"">Maybe the =
terminology should change from 1-hop to 1-variable-hop and n stable hops =
(the Ethernets in the cars).<br class=3D""><br class=3D"">Not sure what =
name to give to this: n-stable-hops plus 1 variable hop.<br class=3D""><br=
 class=3D"">That's the structure in V2V.<br class=3D""><br =
class=3D"">Alex<br class=3D""><br class=3D"">Le 24/07/2015 12:41, =
Huangjing (A) a =E9crit :<br class=3D""><blockquote type=3D"cite" =
class=3D"">Agree, link local address is not sufficient for V2V =
communication.<br class=3D"">But, if we consider only 1-hop =
communication, it is probably sufficient.<br class=3D""><br =
class=3D"">James<br class=3D""><br class=3D""><blockquote type=3D"cite" =
class=3D"">-----Original Message-----<br class=3D"">From: its [<a =
href=3D"mailto:its-bounces@ietf.org" =
class=3D"">mailto:its-bounces@ietf.org</a>] On Behalf Of Alexandru =
Petrescu<br class=3D"">Sent: Wednesday, July 22, 2015 10:47 PM<br =
class=3D"">To: <a href=3D"mailto:its@ietf.org" =
class=3D"">its@ietf.org</a><br class=3D"">Subject: Re: [geonet/its] Why =
not using IPv6 link local address for one hop V2V<br class=3D""><br =
class=3D"">I tend to agree. &nbsp;Just that I dont think we need another =
kind of addresses.<br class=3D""><br class=3D"">In other words: yes, =
just using LL addresses to realize V2V communication is<br class=3D"">not =
enough. &nbsp;no, in that messages between routers can be sourced just =
by<br class=3D"">their link-local addresses.<br class=3D""><br =
class=3D"">Or maybe a prefix between vehicles would be needed.<br =
class=3D""><br class=3D"">The creation of IP addresses _inside_ vehicles =
is currently a problem as well.<br class=3D""><br class=3D"">Alex<br =
class=3D""><br class=3D"">Le 22/07/2015 16:14, Dapeng Liu a =E9crit :<br =
class=3D""><blockquote type=3D"cite" class=3D"">Sure. My point is we can =
not just use IPv6 link local address to<br class=3D"">fulfill the =
requirement. &nbsp;agree?<br class=3D""><br class=3D"">Thanks,<br =
class=3D"">Dapeng Liu<br class=3D""><br class=3D"">2015-07-22 15:16 =
GMT+02:00 Huangjing (A) &lt;<a href=3D"mailto:james.huang@huawei.com" =
class=3D"">james.huang@huawei.com</a><br class=3D"">&lt;<a =
href=3D"mailto:james.huang@huawei.com" =
class=3D"">mailto:james.huang@huawei.com</a>&gt;&gt;:<br class=3D""><br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;Hi, Dapeng,____<br class=3D""><br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;Maybe we can distinguish a vehicle from a mobile =
by other means,<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;rather than IP =
prefix / address.____<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;For message broadcast (e.g. safety related =
message), we may require<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;a =
dedicated multicast address; for Unicast communication, I think we<br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;should make use of higher level =
information, such as TCP/UDP(or<br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;similar one) port or application level =
information____<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ =
__<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;Any =
thoughts?____<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ =
__<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;James____<br =
class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br=
 class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;*From:*its [<a =
href=3D"mailto:its-bounces@ietf.org" =
class=3D"">mailto:its-bounces@ietf.org</a><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;&lt;<a href=3D"mailto:its-bounces@ietf.org" =
class=3D"">mailto:its-bounces@ietf.org</a>&gt;] *On Behalf Of *Dapeng =
Liu<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;*Sent:* Wednesday, July 22, =
2015 7:30 PM<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;*To:* <a =
href=3D"mailto:its@ietf.org" class=3D"">its@ietf.org</a> &lt;<a =
href=3D"mailto:its@ietf.org" class=3D"">mailto:its@ietf.org</a>&gt;<br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;*Subject:* [geonet/its] Why not =
using IPv6 link local address for<br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;one hop V2V____<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;Hello all,____<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;During the noon discussion, we were discussing =
whether we can use<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;IPv6 link =
local address for one hop V-V IP communication.____<br class=3D""><br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;One reason is that the vehicle that discover a =
neighbor with link<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;local IPv6 =
address can not distinguish whether that is another<br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;vehicle or it is a smart phone in the car or it =
is a smart phone<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;from road side =
passengers.<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;____<br class=3D""><br =
class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ __<br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;If we want to use IPv6 link local address, a =
dedicate prefix for V2V<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;may =
needed.____<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ =
__<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;Any =
thoughts?____<br class=3D""><br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;__ =
__<br class=3D""><br class=3D""><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;------<br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;Best Regards,<br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;Dapeng Liu____<br class=3D""><br class=3D""><br =
class=3D""><br class=3D""><br class=3D"">--<br class=3D""><br =
class=3D"">------<br class=3D"">Best Regards,<br class=3D"">Dapeng =
Liu<br class=3D""><br class=3D""><br =
class=3D"">_______________________________________________<br =
class=3D"">its mailing list<br class=3D""><a href=3D"mailto:its@ietf.org" =
class=3D"">its@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/its<br class=3D""><br =
class=3D""></blockquote><br =
class=3D"">_______________________________________________<br =
class=3D"">its mailing list<br class=3D""><a href=3D"mailto:its@ietf.org" =
class=3D"">its@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/its<br =
class=3D""></blockquote><br class=3D""></blockquote><br =
class=3D"">_______________________________________________<br =
class=3D"">its mailing list<br class=3D""><a href=3D"mailto:its@ietf.org" =
class=3D"">its@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/its<br =
class=3D""></div></blockquote></div><br class=3D""><div class=3D"">
<div style=3D"color: rgb(0, 0, 0); font-family: Helvetica;  font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; orphans: 2; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;" class=3D""><div style=3D"color: rgb(0, 0, 0); =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: =
none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: =
space; -webkit-line-break: after-white-space;" class=3D""><div =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space;" class=3D""><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px;"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><span class=3D"Apple-style-span" style=3D"font-size: =
12px;">----------------------------</span></div></span></div></div><div =
style=3D"font-size: 12px;" class=3D"">Prof.&nbsp;Jean-Marie =
BONNIN</div><div style=3D"font-size: 12px;" class=3D"">Institut Mines =
T=E9l=E9com / T=E9l=E9com Bretagne</div><span class=3D"Apple-style-span" =
style=3D"font-size: 12px;"><div class=3D"">IRISA / D2 / OCIF</div><div =
class=3D"">Head of Telecom Bretagne / RSM department (Network, Security =
and Multimedia)</div><div class=3D"">Head of IRISA / D2 (Network, =
Telecommunication and Services)</div><div class=3D"">Mob: +33 660 767 =
976</div><div class=3D""><br class=3D""></div></span></div></div><br =
class=3D"Apple-interchange-newline">
</div>
<br class=3D""></body></html>=

--Apple-Mail=_113A69AE-A26C-4A30-8894-B1781EDCD818--


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From: Rex Buddenberg <buddenbergr@gmail.com>
To: Jean-Marie BONNIN <jm.bonnin@telecom-bretagne.eu>
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Subject: Re: [geonet/its] Why not using IPv6 link local address for one hop V2V
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In line, then comments:

On Fri, 2015-07-24 at 22:50 +0200, Jean-Marie BONNIN wrote:
> Hi Dick
> 
> 
> If an application always need only one hop and it is alway deployed in
> the same manner in the car, probably we can use only link layer
> technologies to address and transport application data. 

That's what the non-IP stack in IEEE 1609 is trying to do.  

> But the same application could some time use one-hop and another time
> use multi-hop communications â€¦ of course we could manage this in an
> intermediate layer such as the ETSI facilities but it becomes more
> complex. It could be simpler for the applications to always use IP. 

It is simpler, but there's a much more compelling reason: security.

First, understand that the notion of single-hop is fiction.  
  - the other automobile that you want to communicate with is one you
can't see (cross-traffic, blocked by a building ... he's about to t-bone
you).  
  - we always have three hops in the simplest topology -- local comms
within each automobile plus a radio hop.  There's a bunch of denial
going on ... the two sides of the argument can be stereotyped into the
"IoT' faction and the 'gateway faction'.  The gateway group tries to
deny the multiple hop characteristic, but it doesn't work.

The highjacked Jeep conversation shows the fallacy of the gateway
problem: you need end-to-end authenticity and gateways can't deliver it.


> 
> 
> If the concern is just about the overhead due to the IP header, is
> could be reduce a lot using header compression technics. 

Agreed.  But this is a minor point.  Get the end-end delivery of
authenticity in the center of the target.
> 
> 
> JM
> 
> > Le 24 juil. 2015 Ă  21:09, Alexandru Petrescu
> > <alexandru.petrescu@gmail.com> a Ă©crit :
> > 
> > Maybe the terminology should change from 1-hop to 1-variable-hop and
> > n stable hops (the Ethernets in the cars).
> > 
> > Not sure what name to give to this: n-stable-hops plus 1 variable
> > hop.
> > 
> > That's the structure in V2V.
> > 
> > Alex
> > 
> > Le 24/07/2015 12:41, Huangjing (A) a Ă©crit :
> > > Agree, link local address is not sufficient for V2V communication.
> > > But, if we consider only 1-hop communication, it is probably
> > > sufficient.
> > > 
> > > James
> > > 
> > > > -----Original Message-----
> > > > From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru
> > > > Petrescu
> > > > Sent: Wednesday, July 22, 2015 10:47 PM
> > > > To: its@ietf.org
> > > > Subject: Re: [geonet/its] Why not using IPv6 link local address
> > > > for one hop V2V
> > > > 
> > > > I tend to agree.  Just that I dont think we need another kind of
> > > > addresses.
> > > > 
> > > > In other words: yes, just using LL addresses to realize V2V
> > > > communication is
> > > > not enough.  no, in that messages between routers can be sourced
> > > > just by
> > > > their link-local addresses.
> > > > 
> > > > Or maybe a prefix between vehicles would be needed.
> > > > 
> > > > The creation of IP addresses _inside_ vehicles is currently a
> > > > problem as well.
> > > > 
> > > > Alex
> > > > 
> > > > Le 22/07/2015 16:14, Dapeng Liu a Ă©crit :
> > > > > Sure. My point is we can not just use IPv6 link local address
> > > > > to
> > > > > fulfill the requirement.  agree?
> > > > > 
> > > > > Thanks,
> > > > > Dapeng Liu
> > > > > 
> > > > > 2015-07-22 15:16 GMT+02:00 Huangjing (A)
> > > > > <james.huang@huawei.com
> > > > > <mailto:james.huang@huawei.com>>:
> > > > > 
> > > > >     Hi, Dapeng,____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     Maybe we can distinguish a vehicle from a mobile by other
> > > > > means,
> > > > >     rather than IP prefix / address.____
> > > > > 
> > > > >     For message broadcast (e.g. safety related message), we
> > > > > may require
> > > > >     a dedicated multicast address; for Unicast communication,
> > > > > I think we
> > > > >     should make use of higher level information, such as
> > > > > TCP/UDP(or
> > > > >     similar one) port or application level information____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     Any thoughts?____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     James____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     *From:*its [mailto:its-bounces@ietf.org
> > > > >     <mailto:its-bounces@ietf.org>] *On Behalf Of *Dapeng Liu
> > > > >     *Sent:* Wednesday, July 22, 2015 7:30 PM
> > > > >     *To:* its@ietf.org <mailto:its@ietf.org>
> > > > >     *Subject:* [geonet/its] Why not using IPv6 link local
> > > > > address for
> > > > >     one hop V2V____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     Hello all,____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     During the noon discussion, we were discussing whether we
> > > > > can use
> > > > >     IPv6 link local address for one hop V-V IP
> > > > > communication.____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     One reason is that the vehicle that discover a neighbor
> > > > > with link
> > > > >     local IPv6 address can not distinguish whether that is
> > > > > another
> > > > >     vehicle or it is a smart phone in the car or it is a smart
> > > > > phone
> > > > >     from road side passengers.
> > > > >     ____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     If we want to use IPv6 link local address, a dedicate
> > > > > prefix for V2V
> > > > >     may needed.____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > >     Any thoughts?____
> > > > > 
> > > > >     __ __
> > > > > 
> > > > > 
> > > > >     ------
> > > > >     Best Regards,
> > > > >     Dapeng Liu____
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > --
> > > > > 
> > > > > ------
> > > > > Best Regards,
> > > > > Dapeng Liu
> > > > > 
> > > > > 
> > > > > _______________________________________________
> > > > > 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
> > > 
> > 
> > _______________________________________________
> > its mailing list
> > its@ietf.org
> > https://www.ietf.org/mailman/listinfo/its
> > 
> 
> ----------------------------
> Prof. Jean-Marie BONNIN
> Institut Mines TĂ©lĂ©com / TĂ©lĂ©com Bretagne
> IRISA / D2 / OCIF
> Head of Telecom Bretagne / RSM department (Network, Security and
> Multimedia)
> Head of IRISA / D2 (Network, Telecommunication and Services)
> Mob: +33 660 767 976
> 
> 
> 
> 
> 
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its



From nobody Thu Jul 30 05:20:41 2015
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Subject: [geonet/its] status of open-source 802.11p drivers?
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Hi,

I have been asked what is the status of open-source 802.11p drivers?  As 
far as I know:

GCDC 802.11p - no longer online.
Czech Tech Uni - trying to merge into linux kernel.

Is there another one available freely?

(we also have one at work but it is not for public distribution).

Alex

--------------010500020109050706050004
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    <font face="Courier New">Hi,<br>
      <br>
      I have been asked what is the status of open-source 802.11p
      drivers?Â  As far as I know:<br>
      <br>
      GCDC 802.11p - no longer online.<br>
      Czech Tech Uni - trying to merge into linux kernel.<br>
      <br>
      Is there another one available freely?<br>
      <br>
      (we also have one at work but it is not for public distribution).<br>
      <br>
      Alex<br>
    </font>
  </body>
</html>

--------------010500020109050706050004--


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Hi,

Filter update: I just changed the prefix in the Subject line of this 
list to mean [its].

Alex



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    <font face="Courier New">Hi,<br>
      <br>
      Filter update: I just changed the prefix in the Subject line of
      this list to mean [its].<br>
      <br>
      Alex<br>
      <br>
      <br>
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From nobody Thu Jul 30 05:41:42 2015
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Subject: Re: [its] [geonet/its] status of open-source 802.11p drivers?
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Hi Alex,

=20

We have one at EURECOM known as OpenAirInterface ITS =
(http://www.openairinterface.org/), but we are also currently merging =
with the new version of the linux kernel of Ubuntu 14.04 LTS. More to =
come in the following weeks=E2=80=A6

=20

Agostini, Philippe; Knopp, Raymond; H=C3=A4rri, J=C3=A9r=C3=B4me; =
Haziza, Nathalie, Implementation and test of a DSRC prototype on =
OpenAirInterface SDR platform ICC 2013, IEEE International Conference on =
Communications Workshops, 9-13 June 2013, Budapest, Hungary.

=20

Best Regards,

=20

J=C3=A9r=C3=B4me

=20

From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandru Petrescu
Sent: Thursday 30 July 2015 14:21
To: its@ietf.org
Subject: [geonet/its] status of open-source 802.11p drivers?

=20

Hi,

I have been asked what is the status of open-source 802.11p drivers?  As =
far as I know:

GCDC 802.11p - no longer online.
Czech Tech Uni - trying to merge into linux kernel.

Is there another one available freely?

(we also have one at work but it is not for public distribution).

Alex


------=_NextPart_000_04BE_01D0CAD5.D5E6C560
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<html xmlns:v=3D"urn:schemas-microsoft-com:vml" =
xmlns:o=3D"urn:schemas-microsoft-com:office:office" =
xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" =
xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta =
http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta =
name=3DGenerator content=3D"Microsoft Word 14 (filtered =
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</o:shapelayout></xml><![endif]--></head><body bgcolor=3Dwhite =
lang=3DEN-US link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Hi Alex,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>We have one at EURECOM known as OpenAirInterface ITS =
(http://www.openairinterface.org/), but we are also currently merging =
with the new version of the linux kernel of Ubuntu 14.04 LTS. More to =
come in the following weeks=E2=80=A6<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:Consolas;color:black'>Agostini, =
Philippe; Knopp, Raymond; H=C3=A4rri, J=C3=A9r=C3=B4me; Haziza, =
Nathalie, Implementation and test of a DSRC prototype on =
OpenAirInterface SDR platform ICC 2013, IEEE International Conference on =
Communications Workshops, 9-13 June 2013, Budapest, =
Hungary.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Best Regards,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>J=C3=A9r=C3=B4me<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'>From:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'> its [mailto:its-bounces@ietf.org] <b>On Behalf Of </b>Alexandru =
Petrescu<br><b>Sent:</b> Thursday 30 July 2015 14:21<br><b>To:</b> =
its@ietf.org<br><b>Subject:</b> [geonet/its] status of open-source =
802.11p drivers?<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Courier New"'>Hi,<br><br>I have been asked what is =
the status of open-source 802.11p drivers?&nbsp; As far as I =
know:<br><br>GCDC 802.11p - no longer online.<br>Czech Tech Uni - trying =
to merge into linux kernel.<br><br>Is there another one available =
freely?<br><br>(we also have one at work but it is not for public =
distribution).<br><br>Alex</span><o:p></o:p></p></div></body></html>
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