From nobody Fri Feb 12 07:47:38 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 56B081A1BA9 for ; Fri, 12 Feb 2016 07:47:36 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.083 X-Spam-Level: X-Spam-Status: No, score=-3.083 tagged_above=-999 required=5 tests=[BAYES_40=-0.001, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rB4OoZ4RBADf for ; Fri, 12 Feb 2016 07:47:34 -0800 (PST) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AE6221A1BC8 for ; Fri, 12 Feb 2016 07:47:33 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1CFlVfm031538 for ; Fri, 12 Feb 2016 16:47:31 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 8072F20A42E for ; Fri, 12 Feb 2016 16:55:51 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 4800B20A3EF for ; Fri, 12 Feb 2016 16:55:51 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1CFlV3u007831 for ; Fri, 12 Feb 2016 16:47:31 +0100 To: "its@ietf.org" From: Alexandre Petrescu Message-ID: <56BDFE93.705@gmail.com> Date: Fri, 12 Feb 2016 16:47:31 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="------------090207090203050805080800" Archived-At: Subject: [its] followup of the audioconf X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Feb 2016 15:47:36 -0000 This is a multi-part message in MIME format. --------------090207090203050805080800 Content-Type: multipart/alternative; boundary="------------030508070201010901000405" --------------030508070201010901000405 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hello, We just had an audioconf about the Charter, see the attachment. We concluded that: - I will send the updated Charter to the list Monday. - need of more generic presentation, not just automobiles and V2V. It must be nomadic network-to-network communications. - need more discussions on the email list about the Charter. Alex --------------030508070201010901000405 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Hello,

We just had an audioconf about the Charter, see the attachment.  We concluded that:

- I will send the updated Charter to the list Monday.
- need of more generic presentation, not just automobiles and V2V.  It must be nomadic network-to-network
  communications.
- need more discussions on the email list about the Charter.

Alex
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AAAAAAAAACEA/rT+X1SAAABUgAAAFwAAAAAAAAAAAAAAAABspAAAZG9jUHJvcHMvdGh1bWJu YWlsLmpwZWdQSwECLQAUAAYACAAAACEADy2vrlEBAACLAgAAEQAAAAAAAAAAAAAAAAD1JAEA cHB0L3ByZXNQcm9wcy54bWxQSwECLQAUAAYACAAAACEA2P2Nj6wAAAC2AAAAEwAAAAAAAAAA AAAAAAB1JgEAcHB0L3RhYmxlU3R5bGVzLnhtbFBLAQItABQABgAIAAAAIQDq2DSQgwEAAEQD AAARAAAAAAAAAAAAAAAAAFInAQBwcHQvdmlld1Byb3BzLnhtbFBLAQItABQABgAIAAAAIQBy MoZCIQIAAKgEAAAQAAAAAAAAAAAAAAAAAAQpAQBkb2NQcm9wcy9hcHAueG1sUEsBAi0AFAAG AAgAAAAhABodp+V3AQAAvwIAABEAAAAAAAAAAAAAAAAAWywBAGRvY1Byb3BzL2NvcmUueG1s UEsFBgAAAAArACsA8wwAAAkvAQAAAA== --------------090207090203050805080800-- From nobody Mon Feb 15 05:19:08 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CB7DE1B338C for ; Mon, 15 Feb 2016 05:19:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.084 X-Spam-Level: X-Spam-Status: No, score=-3.084 tagged_above=-999 required=5 tests=[BAYES_20=-0.001, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id THkDdpVnIEQE for ; Mon, 15 Feb 2016 05:19:05 -0800 (PST) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 96B3C1B3384 for ; Mon, 15 Feb 2016 05:19:04 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1FDIxfx003895; Mon, 15 Feb 2016 14:18:59 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 82C8C20B3F8; Mon, 15 Feb 2016 14:27:23 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 6BF3B2020BF; Mon, 15 Feb 2016 14:27:23 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1FDIwIb014761; Mon, 15 Feb 2016 14:18:59 +0100 To: its@ietf.org References: <56BDFE93.705@gmail.com> From: Alexandre Petrescu Message-ID: <56C1D042.4030004@gmail.com> Date: Mon, 15 Feb 2016 14:18:58 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <56BDFE93.705@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Cc: Sri Gundavelli Subject: Re: [its] followup of the audioconf X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Feb 2016 13:19:07 -0000 HEllo, For information, Friday we held an audioconference to synchronize on the Charter. Participants: - Paul (J. Jeong from Sungkyunkwan University, Korea) - Dapeng Liu (alibaba) - Thierry Ernst (ISO TC204) - Russ Housley (IAB) - Ralph Droms (Cisco) - Arnaud Kaiser (IRT SystemX) - a few other people could not participate because time difference, but we will synchronize separately. I presented the context of moving network to moving network communications. I presented the Charter text. We discussed the following topics: - multihoming, - generalize away from "V2V" (make it moving network to moving network communications) - relationship to IoT and related WGs at IETF. I will send separately the updated Charter. Yours, Alex Petrescu Le 12/02/2016 16:47, Alexandre Petrescu a crit : > Hello, > > We just had an audioconf about the Charter, see the attachment. We > concluded that: > > - I will send the updated Charter to the list Monday. > - need of more generic presentation, not just automobiles and V2V. It > must be nomadic network-to-network > communications. > - need more discussions on the email list about the Charter. > > Alex > > > _______________________________________________ > its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its > From nobody Mon Feb 15 05:20:53 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1249D1A8923 for ; Mon, 15 Feb 2016 05:20:52 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.282 X-Spam-Level: X-Spam-Status: No, score=-2.282 tagged_above=-999 required=5 tests=[BAYES_50=0.8, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Np2A6Q4ROvVv for ; Mon, 15 Feb 2016 05:20:48 -0800 (PST) Received: from oxalide-out.extra.cea.fr (oxalide-out.extra.cea.fr [132.168.224.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id BE4BE1B32EE for ; Mon, 15 Feb 2016 05:20:46 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by oxalide.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1FDKish012582 for ; Mon, 15 Feb 2016 14:20:44 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 7C24F20B322 for ; Mon, 15 Feb 2016 14:29:08 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 70E8920B2BF for ; Mon, 15 Feb 2016 14:29:08 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1FDKhLh016674 for ; Mon, 15 Feb 2016 14:20:44 +0100 To: "its@ietf.org" From: Alexandre Petrescu Message-ID: <56C1D0AB.3020006@gmail.com> Date: Mon, 15 Feb 2016 14:20:43 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------050507060907070409070603" Archived-At: Subject: [its] Updated charter - please comment X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Feb 2016 13:20:52 -0000 This is a multi-part message in MIME format. --------------050507060907070409070603 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi, Please see below the updated charter text. Please comment. Alex ----------------------------------------------------------------------- ITS (name to change) Charter February 15th, 2016 http://ietf.org/mailman/listinfo/its Intelligent Transportation Systems (its) ---------------------------------------- Current Status: WG forming Chairs: TBD Assigned Area Director: TBD Mailing list Address: its@ietf.org To Subscribe: https://www.ietf.org/mailman/listinfo/its Archive: http://www.ietf.org/mail-archive/web/its/current/maillist.html Additional web page TBD Charter: Goal ---- The goal of this group is to standardize IP protocols for establishing direct and secure connectivity between moving networks. Moving Network to Moving Network Communications ----------------------------------------------- The group is concerned with all situations involving moving network to moving network communications. For example: vehicle-to-vehicle communications, nomadic user wearing a PAN and communicating to a homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a train, or train-to-intersection signalling. Example from the automobile communications space ------------------------------------------------ Automobiles and vehicles of all types are increasingly connected to the Internet. Entertainment apps enhancing comfort, reliable data exchanges for road safety, and automated driving, are commonly seen as winning sale 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-Internet technologies are considered completed and deployed in automobiles currently on the roads (e.g. car tethering through driver's cellular smartphone, live traffic data displayed on the dashboard, - use of NAT/DHCP and potentially Mobile IP), the Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are still in an infancy stage: primitive link-specific data exchanges are limited to a non-harmonized set of applications, such as ETSI's CAM/DENM presence signalling; worse, some link-specific messages exhibit behaviour assimilated to IP behaviour but the systems are incompatible with the Internet without involving specific gatewaying. The industry needs to employ IP data exchanges between vehicles, and between vehicles and the immediate infrastructure, rather than link-specific exchanges, in order to benefit from advantages such as (1) short delays, (2) fast forwarding through short paths of dumb routers (2) ease of reusing of a huge number of a desktop Internet applications in a vehicular environment (extend the Internet to mobile platforms). Moving network to moving network communications involve link layers such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC (Visible Light Communications), IrDA, LTE-D. Only the IP protocols are capable of running on each of these links and establish IP paths across them in an interoperable manner. Scenarios? ---------- There are a few scenarios exhibiting the need to communicate from one moving network to another nearby moving network. In the automobile space, the Cooperative Adaptive Cruise Control and Platooning features consider that vehicles close to each other exchange data describing their kinematic status. At the cross-roads, the moving network inside a vehicle exchanges data with the moving network in the red-light pole. Several public safety scenarios involve moving networks. Distinct organizations deploy different moving networks (in-vehicle, on-person) at an incident scene. These networks need to interoperate in order to more effectively understand and deal with the incident scene. In connected rail scenarios the moving network deployed in trains communicate with other moving networks at the cross-points. What kind of solutions? ----------------------- The current technical solutions considered to achieve moving network to moving network communications are of two kinds: IP routing protocols for n-hop path management and 1-hop link-scoped IP protocol enhancements. The 1-hop link-scoped protocols include the protocols for route establishment involving ICMP Router Advertisements. The n-hop path management protocols include n-hop path establishment protocols (e.g. Babel, OSPF) and n-hop path search protocols (most notably AODV and derivates). What kind of requirements? -------------------------- The requirements for mechanisms for moving network to moving network communications are focusing on low delays of the data paths, reduced number of messages for path establishment, application friendly, resilience to attacks, compatibility with DHCP and Mobile IP. In addition, some moving network to moving network applications involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the 1-hop IP moving network to moving netowrk mechanisms will need to gracefully support IP multicast. Due to the inherent characteristics of safety-related communications, all new moving network to moving network 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 Internet, possibly via multiple radios. In a moving network deployed in an automobile, typically one exit point connects the moving network to other moving networks. However, in a more general manner (and to support reliability) any new mechanism of moving network to moving network communications should support multi-homing: one router to use multiple interfaces towards outside the moving network, or multiple routers. Current version of Internet protocols ------------------------------------- The version of the IP protocol is IPv6 (witness 10% IPv6 penetration as of early 2016, mobile operators evolving to IPv6-only, government IPv6 push, IPv4 exhaust at RIRs); this acommodates the current generation of Internet protocols. For backwards compatibility, IPv4 may be considered as well, but not exclusively. Link-local IPv6 addresses will be used. What SDOs may need this work? ----------------------------- The requirements and standards for moving network to moving network communications, often involving IPv6, and novel V2V and V2Infra concepts, are developed mainly at ISO TC204 "Intelligent Transport Systems", 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, as well as OCB mode of IEEE 802.11. 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-cases for moving network to moving network communications - Problem Statement for moving network to moving network communications - Security and Privacy Requirements for moving network to moving network communications - Problem Statement for moving network to infrastructure network communications, including DNS - Potentially new protocol, or protocol extensions for establishing IP paths for 1-hop moving network to moving network communications. With MIB and security. - IPv6-over foo, where foo is pertinent for moving network to moving network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) Timeline -------- - --------------050507060907070409070603 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Hi,

Please see below the updated charter text.  Please comment.

Alex

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

                     ITS (name to change)
                   Charter
             February 15th, 2016
         http://ietf.org/mailman/listinfo/its


Intelligent Transportation Systems (its)
----------------------------------------
Current Status: WG forming

Chairs:
   TBD

Assigned Area Director:
   TBD

Mailing list
   Address: its@ietf.org
   To Subscribe: https://www.ietf.org/mailman/listinfo/its
   Archive:
   http://www.ietf.org/mail-archive/web/its/current/maillist.html

Additional web page
   TBD

Charter:

Goal
----
The goal of this group is to standardize IP protocols for establishing
direct and secure connectivity between moving networks.

Moving Network to Moving Network Communications
-----------------------------------------------
The group is concerned with all situations involving moving network to
moving network communications.  For example: vehicle-to-vehicle
communications, nomadic user wearing a PAN and communicating to a
homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a
train, or train-to-intersection signalling.

Example from the automobile communications space
------------------------------------------------
Automobiles and vehicles of all types are increasingly connected to
the Internet.  Entertainment apps enhancing comfort, reliable data
exchanges for road safety, and automated driving, are commonly seen as
winning sale 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-Internet technologies are considered completed
and deployed in automobiles currently on the roads (e.g. car tethering
through driver's cellular smartphone, live traffic data displayed on
the dashboard, - use of NAT/DHCP and potentially Mobile IP), the
Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are
still in an infancy stage: primitive link-specific data exchanges are
limited to a non-harmonized set of applications, such as ETSI's
CAM/DENM presence signalling; worse, some link-specific messages
exhibit behaviour assimilated to IP behaviour but the systems are
incompatible with the Internet without involving specific gatewaying.
The industry needs to employ IP data exchanges between vehicles, and
between vehicles and the immediate infrastructure, rather than
link-specific exchanges, in order to benefit from advantages such as
(1) short delays, (2) fast forwarding through short paths of dumb
routers (2) ease of reusing of a huge number of a desktop Internet
applications in a vehicular environment (extend the Internet to mobile
platforms).

Moving network to moving network communications involve link layers
such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC (Visible
Light Communications), IrDA, LTE-D.  Only the IP protocols are capable
of running on each of these links and establish IP paths across them
in an interoperable manner.

Scenarios?
----------
There are a few scenarios exhibiting the need to communicate from one
moving network to another nearby moving network.

In the automobile space, the Cooperative Adaptive Cruise Control and
Platooning features consider that vehicles close to each other
exchange data describing their kinematic status.  At the cross-roads,
the moving network inside a vehicle exchanges data with the moving
network in the red-light pole.

Several public safety scenarios involve moving networks.  Distinct
organizations deploy different moving networks (in-vehicle, on-person)
at an incident scene.  These networks need to interoperate in order to
more effectively understand and deal with the incident scene.

In connected rail scenarios the moving network deployed in trains
communicate with other moving networks at the cross-points.

What kind of solutions?
-----------------------
The current technical solutions considered to achieve moving network
to moving network communications are of two kinds: IP routing
protocols for n-hop path management and 1-hop link-scoped IP protocol
enhancements.  The 1-hop link-scoped protocols include the protocols
for route establishment involving ICMP Router Advertisements.  The
n-hop path management protocols include n-hop path establishment
protocols (e.g. Babel, OSPF) and n-hop path search protocols (most
notably AODV and derivates).

What kind of requirements?
--------------------------
The requirements for mechanisms for moving network to moving network
communications are focusing on low delays of the data paths, reduced
number of messages for path establishment, application friendly,
resilience to attacks, compatibility with DHCP and Mobile IP.

In addition, some moving network to moving network applications
involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the
1-hop IP moving network to moving netowrk mechanisms will need to
gracefully support IP multicast.

Due to the inherent characteristics of safety-related communications,
all new moving network to moving network 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 Internet,
possibly via multiple radios.

In a moving network deployed in an automobile, typically one exit
point connects the moving network to other moving networks.  However,
in a more general manner (and to support reliability) any new
mechanism of moving network to moving network communications should
support multi-homing: one router to use multiple interfaces towards
outside the moving network, or multiple routers.

Current version of Internet protocols
-------------------------------------
The version of the IP protocol is IPv6 (witness 10% IPv6 penetration
as of early 2016, mobile operators evolving to IPv6-only, government
IPv6 push, IPv4 exhaust at RIRs); this acommodates the current
generation of Internet protocols.  For backwards compatibility, IPv4
may be considered as well, but not exclusively.  Link-local IPv6
addresses will be used.

What SDOs may need this work?
-----------------------------
The requirements and standards for moving network to moving network
communications, often involving IPv6, and novel V2V and V2Infra
concepts, are developed mainly at ISO TC204 "Intelligent Transport
Systems", 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, as well as OCB mode of IEEE 802.11.
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-cases for moving network to moving network communications
- Problem Statement for moving network to moving network communications
- Security and Privacy Requirements for moving network to
  moving network communications
- Problem Statement for moving network to infrastructure network
  communications, including DNS
- Potentially new protocol, or protocol extensions for establishing IP
  paths for 1-hop moving network to moving network communications.
  With MIB and security.
- IPv6-over foo, where foo is pertinent for moving network to moving
  network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad)

Timeline
--------
-

--------------050507060907070409070603-- From nobody Mon Feb 15 08:31:04 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B42951A0045 for ; Mon, 15 Feb 2016 08:31:02 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wQoQ6z1_eQ62 for ; Mon, 15 Feb 2016 08:31:00 -0800 (PST) Received: from mail-yw0-x22b.google.com (mail-yw0-x22b.google.com [IPv6:2607:f8b0:4002:c05::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C1CF21A000D for ; Mon, 15 Feb 2016 08:31:00 -0800 (PST) Received: by mail-yw0-x22b.google.com with SMTP id e63so23459138ywc.3 for ; Mon, 15 Feb 2016 08:31:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:cc:content-type; bh=JNbWClalphlkkEnIK/qH4cOvkod3klEeZPXOO7dBNMA=; b=yS8kjVF1Dkw+W+zSMvYk4/giKkA/NRiacQ1Gou+JRGHlMmIoQAv7wUA4UgXWfCTc5n 7owiJpoxUrbbmokNyBb3QeNOKxtRty67C4QIW7BqgMBcnCUQQkW+31XYePXV+o6Fi5q5 TzIEUpFafi8rTQt0YbNPjlPiLK/zJ4IVr7NliO16xWu9BZgFMngC+JW6id9jA24G8hTZ 6KKHh6ajZsZO14/1S+D+CJRX/psuxrRgzC8tq7uugXZko8iTvzTuvNfTuRhE9P9amQxf bV+gsgFkJOfBukqHWhRe9Qmmj2+tOrR0O8M29i833pVbzdUm3zqxn0DnZvHz3bH+0O0u pgrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc :content-type; bh=JNbWClalphlkkEnIK/qH4cOvkod3klEeZPXOO7dBNMA=; b=E/t/KGs0yi+9aYl42W6Karjxy3fzfpFai8Cv30lAU0jKApDgpfYLWMIkKVTA+SlGXy ojLf3Os/9LnihwXvkY9hDDh7NPaeX65rJ8/h9tc5H+47ljjwn5wG4FWrIBlB1mHNYQei gM+HMZ5/PJBvkhGz5EZ1UtzmK0xuSXsAjqsyA28Bp3e7CPUSIpBWJ1GWiHF33L1hzVub C5zK17sJf+EKK8wB3ba01ySo/koCkeSq+E88Nt8pQ3dZhm1N3aFPuSp4qB1qP8tu48ms zrDM2ssgQrtqwzlgX0j8FSUztUeEjPpsShgWVR6epV+HlL5wN34VfK6YrUHmWDRjsOyl k6nw== X-Gm-Message-State: AG10YOTY1/ZSmK7R0YkOPS74CvEpdVl6cURGcOoGGaW2lxvuHpUZ9G2xKGT86Gt1X04TqdvK/zVYgCbASqy2kw== X-Received: by 10.129.156.204 with SMTP id t195mr9260117ywg.288.1455553860112; Mon, 15 Feb 2016 08:31:00 -0800 (PST) MIME-Version: 1.0 Received: by 10.129.83.87 with HTTP; Mon, 15 Feb 2016 08:30:30 -0800 (PST) From: "Mr. Jaehoon Paul Jeong" Date: Mon, 15 Feb 2016 11:30:30 -0500 Message-ID: To: "its@ietf.org" Content-Type: multipart/alternative; boundary=94eb2c0c088cc897a4052bd18ae6 Archived-At: Cc: "Mr. Jaehoon Paul Jeong" Subject: [its] Request for Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Feb 2016 16:31:02 -0000 --94eb2c0c088cc897a4052bd18ae6 Content-Type: text/plain; charset=UTF-8 Hi ITS Colleagues, Title: Problem Statement for Vehicle-to-Infrastructure Networking I-D: draft-jeong-its-v2i-problem-statement-00 Link: https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 Abstract This document specifies the problem statement for IPv6-based vehicle- to-infrastructure networking. Dedicated Short-Range Communications (DSRC) is standardized as IEEE 802.11p for the wireless media access in vehicular networks. This document addresses the extension of IPv6 as the network layer protocol in vehicular networks and is focused on the networking issues in one-hop communication between a Road-Side Unit (RSU) and vehicle. The RSU is connected to the Internet and allows vehicles to have the Internet access if connected. The major issues of including IPv6 in vehicular networks are neighbor discovery protocol, stateless address autoconfiguration, and DNS configuration for the Internet connectivity over DSRC. Also, when the vehicle and the RSU have an internal network, respectively, the document discusses the issues of internetworking between the vehicle's internal network and the RSU's internal network. If you have comments or questions, please let me know. Thanks. Best Regards, 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://iotlab.skku.edu/people-jaehoon-jeong.php --94eb2c0c088cc897a4052bd18ae6 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi ITS Colleagues,

Title: Pr= oblem Statement for Vehicle-to-Infrastructure Networking
I-D: dra= ft-jeong-its-v2i-problem-statement-00

Abstract
=C2=A0 =C2=A0This document specifies the problem= statement for IPv6-based vehicle-
=C2=A0 =C2=A0to-infrastructure= networking.=C2=A0 Dedicated Short-Range Communications
=C2=A0 = =C2=A0(DSRC) is standardized as IEEE 802.11p for the wireless media access<= /div>
=C2=A0 =C2=A0in vehicular networks.=C2=A0 This document addresses= the extension of IPv6
=C2=A0 =C2=A0as the network layer protocol= in vehicular networks and is focused on
=C2=A0 =C2=A0the network= ing issues in one-hop communication between a Road-Side
=C2=A0 = =C2=A0Unit (RSU) and vehicle.=C2=A0 The RSU is connected to the Internet an= d
=C2=A0 =C2=A0allows vehicles to have the Internet access if con= nected.=C2=A0 The major
=C2=A0 =C2=A0issues of including IPv6 in = vehicular networks are neighbor discovery
=C2=A0 =C2=A0protocol, = stateless address autoconfiguration, and DNS configuration
=C2=A0= =C2=A0for the Internet connectivity over DSRC.=C2=A0 Also, when the vehicl= e and
=C2=A0 =C2=A0the RSU have an internal network, respectively= , the document
=C2=A0 =C2=A0discusses the issues of internetworki= ng between the vehicle's
=C2=A0 =C2=A0internal network and th= e RSU's internal network.

If you have comments= or questions, please let me know.

Thanks.

Best Regards,
Paul
--=C2=A0
=
=
=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 Pr= ofessor
Department of Software
Sungkyunkwan University
Office: +82= -31-299-4957
Email: jaehoon.paul@gmail.com,=C2=A0pauljeong@skku.edu
= Personal Homepage: http://iotlab.skku.edu/people-jaehoon-jeong.php
--94eb2c0c088cc897a4052bd18ae6-- From nobody Wed Feb 17 04:21:55 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 674DC1B3697 for ; Wed, 17 Feb 2016 04:21:53 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.983 X-Spam-Level: X-Spam-Status: No, score=-3.983 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, FREEMAIL_REPLY=1, HELO_EQ_FR=0.35, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Elh0ACQ7mj8X for ; Wed, 17 Feb 2016 04:21:50 -0800 (PST) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.167.192.142]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 479AC1ACE02 for ; Wed, 17 Feb 2016 04:21:50 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1HCLlbe020322; Wed, 17 Feb 2016 13:21:47 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 7A8B42077C3; Wed, 17 Feb 2016 13:30:14 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 6D6CF20342F; Wed, 17 Feb 2016 13:30:14 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1HCLlce024827; Wed, 17 Feb 2016 13:21:47 +0100 To: "Mr. Jaehoon Paul Jeong" References: From: Alexandre Petrescu Message-ID: <56C465DB.8060305@gmail.com> Date: Wed, 17 Feb 2016 13:21:47 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Cc: "its@ietf.org" Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Feb 2016 12:21:53 -0000 Hello Paul, Thanks a lot for this draft. This V2I problem statement covers many things we have discussed in Yokohama. What do the others think about this draft? I hame some comments, see below. Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a crit : > Hi ITS Colleagues, > > Title: Problem Statement for Vehicle-to-Infrastructure Networking > I-D: draft-jeong-its-v2i-problem-statement-00 Link: > https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 > > Abstract This document specifies the problem statement for > IPv6-based vehicle- to-infrastructure networking. Dedicated > Short-Range Communications (DSRC) is standardized as IEEE 802.11p for > the wireless media access in vehicular networks. This document > addresses the extension of IPv6 as the network layer protocol in > vehicular networks and is focused on the networking issues in > one-hop communication between a Road-Side Unit (RSU) and vehicle. > The RSU is connected to the Internet and allows vehicles to have the > Internet access if connected. The major issues of including IPv6 in > vehicular networks are neighbor discovery protocol, stateless > address autoconfiguration, and DNS configuration for the Internet > connectivity over DSRC. Also, when the vehicle and the RSU have an > internal network, respectively, the document discusses the issues of > internetworking between the vehicle's internal network and the RSU's > internal network. > > If you have comments or questions, please let me know. You can use the documentation prefixes 2001:db8:1000::/63 (instead of real addresses like 2001:1000::/63). The term "RSU infra-node network" is something new and may need to be present in the definitions section. If I understand you correctly, the RSU infra-node network is a network of IP-addressable devices which are present in the Road-Side Unit - right? I am asking because I know some such RSUs on the market which contain several IP-addressable devices linked together, but we dont have a name for them. The "RSU infra-node network" sounds good, I think. For the term "mobile network" - we can rather use maybe "moving network". In section 5 "Internetworking between the Vehicle and RSU networks": > Problems are a prefix discovery and prefix exchange. The prefix > discovery is defined as how routers in a mobile network discover > prefixes in the mobile network. The prefix exchange is defined as > how the vehicle and the RSU exchange their prefixes with each other. I agree with the problem of prefix exchange. For the "prefix discovery", I have some doubts. First, the routers inside the moving network can be pre-configured with the prefixes inside that moving network. If so, then there can be no need for these routers to discover the prefixes inside the same moving network. But, of course, if they are not preconfigured then they have to be discovered somehow. Second, there is a need for one router (the mobile router?) in the moving network to discover several parameters of a nearby moving network, and also the parameters of a "RSU infra-node network". These parameters, including the IP prefix of the other network, are listed in draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem". It would be good to use same terminology for this discovery. > This section discusses IP addressing for V2I networking. There are > two policies for IPv6 addressing in vehicular networks. The one > policy is to use site-local IPv6 addresses for vehicular networks > [RFC4291]. Since the site-local IPv6 addresses (fec0::) have been deprecated, it would be appropriate to mention "Unique Local Addresses" (ULAs) which can somehow play the role that seems to be needed here. I suggest to substitute ULA for site-local addresses. > The former approach is > usually used by Mobile Ad Hoc Networks (MANET) for a separate multi- > link subnet. MANET has a certain meaning at IETF: it's the WG MANET. I dont think there is any MANET draft that recommends ULAs (but maybe they recommend site-locals?). Maybe ask the MANET WG what is the MANET IP Addressing Architecture (do they use ULAs? do they use GUA - globals?). If yes then refer to MANET WG document here. > Sections 7 ND, 8 address autoconf, 9 DNS I agree with these sections 7, 8 and 9. > 10. IP Mobility Support > > This section discusses an IP mobility support in V2I networking. In > a single subnet per RSU, vehicles keep crossing the communication > coverages of adjacent RSUs. During this crossing, TCP/UDP sessions > can be maintained through IP mobility support, such as Mobile IPv6 > [RFC6275]. Since vehicles move fast along roadways, this high speed > should be configured for a parameter configuration in Mobile IPv6. > > To support the mobility of a vehicle's mobile network, Network > Mobility (NEMO) protocol can be used [RFC3963]. Like Mobile IPv6, > the high speed of vehicles should be considered for a parameter > configuration in NEMO. I agree. I would like to add the following: 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to the RSU infra-node a tunnel is established between the MR and its Home Agent in the TCC (Traffic Control Center). If a node inside the moving network (not the MR) needs to exchange data with a node within the RSU infra-node network then that communication must go through the Home Agent. The delays on the path to the HA may be too high for the reactivity needed between a vehicle and an RSU, or the path can even be blocked. For this reason it is necessary to accommodate direct communications (skip the HA) between a node in the moving network and a node in the RSU infra-node network. This can be achieved only if the two networks learn each other's prefixes. 2. A new method of connecting the moving network directly to the RSU infra-node network may lead to modifying the addressing architecture in the moving network. This can become a problem to the use of Mobile IP, because Mobile IP relies on the addressing architecture controlled by the Home Agent. This problem should be solved as well. In section 11 Security Considerations: > 11. Security Considerations > > The security is very important in vehicular networks for V2I > networking. Only valid vehicles should be allowed to use V2I > networking in vehicular networks. VIN and a user certificate can be > used to authenticate a vehicle and the user. > > This document shares all the security issues of the neighbor > discovery protocol. This document can get benefits from secure > neighbor discovery (SEND) [RFC3971] Recent works in security for vehicular networks mention two additional things that are worth considering: 1. the use of TLS certificates for vehicle communications draft-lonc-tls-certieee1609-01 2. privacy considerations: a new ETSI activity may consider privacy aspects of identifier generation in vehicular communications. It is worth referring to these aspects (give references). Yours, Alex > > Thanks. > > Best Regards, 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://iotlab.skku.edu/people-jaehoon-jeong.php > > > > _______________________________________________ its mailing list > its@ietf.org https://www.ietf.org/mailman/listinfo/its > From nobody Wed Feb 17 10:36:15 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5DE411A8905 for ; Wed, 17 Feb 2016 10:36:13 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.899 X-Spam-Level: X-Spam-Status: No, score=-101.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, USER_IN_WHITELIST=-100] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kSRZLAs5GNiH for ; Wed, 17 Feb 2016 10:36:09 -0800 (PST) Received: from odin.smetech.net (x-bolt-wan.smeinc.net [209.135.219.146]) by ietfa.amsl.com (Postfix) with ESMTP id BEAE61A1A28 for ; Wed, 17 Feb 2016 10:36:08 -0800 (PST) Received: from localhost (unknown [209.135.209.5]) by odin.smetech.net (Postfix) with ESMTP id 59640F9C013; Wed, 17 Feb 2016 13:36:08 -0500 (EST) X-Virus-Scanned: amavisd-new at smetech.net Received: from odin.smetech.net ([209.135.209.4]) by localhost (ronin.smeinc.net [209.135.209.5]) (amavisd-new, port 10024) with ESMTP id gRYTkD9ycYBz; Wed, 17 Feb 2016 13:34:59 -0500 (EST) Received: from [192.168.2.104] (pool-108-51-128-219.washdc.fios.verizon.net [108.51.128.219]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by odin.smetech.net (Postfix) with ESMTP id 4604AF9C01C; Wed, 17 Feb 2016 13:36:06 -0500 (EST) Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-3-685596059 From: Russ Housley In-Reply-To: <56C1D0AB.3020006@gmail.com> Date: Wed, 17 Feb 2016 13:36:05 -0500 Message-Id: <8B07B35E-3FE8-4B1E-9017-7A2E34B320F3@vigilsec.com> References: <56C1D0AB.3020006@gmail.com> To: Alexandre Petrescu X-Mailer: Apple Mail (2.1085) Archived-At: Cc: "its@ietf.org" Subject: Re: [its] Updated charter - please comment X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Feb 2016 18:36:13 -0000 --Apple-Mail-3-685596059 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Alex: Below are my comments on the proposed charter text. Russ > = ----------------------------------------------------------------------- >=20 > ITS (name to change) > Charter > February 15th, 2016 > http://ietf.org/mailman/listinfo/its >=20 >=20 > Intelligent Transportation Systems (its) > ---------------------------------------- > Current Status: WG forming >=20 > Chairs: > TBD >=20 > Assigned Area Director: > TBD >=20 > Mailing list > Address: its@ietf.org > To Subscribe: https://www.ietf.org/mailman/listinfo/its > Archive: > http://www.ietf.org/mail-archive/web/its/current/maillist.html >=20 > Additional web page > TBD >=20 > Charter: >=20 > Goal > ---- > The goal of this group is to standardize IP protocols for establishing > direct and secure connectivity between moving networks. >=20 > Moving Network to Moving Network Communications > ----------------------------------------------- > The group is concerned with all situations involving moving network to > moving network communications. For example: vehicle-to-vehicle > communications, nomadic user wearing a PAN and communicating to a > homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a > train, or train-to-intersection signalling. >=20 > Example from the automobile communications space > ------------------------------------------------ > Automobiles and vehicles of all types are increasingly connected to > the Internet. Entertainment apps enhancing comfort, reliable data > exchanges for road safety, and automated driving, are commonly seen as Editorial: s/automated driving, are/automated driving are/ > winning sale 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. I think that the "winning sales arguments" is not needed here. Instead, = I think it would be valuable to say that these features are coming, and that the = safety features are expected to become required. >=20 > Why IP? > ------- > Whereas the Vehicle-to-Internet technologies are considered completed > and deployed in automobiles currently on the roads (e.g. car tethering > through driver's cellular smartphone, live traffic data displayed on > the dashboard, - use of NAT/DHCP and potentially Mobile IP), the > Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are > still in an infancy stage: primitive link-specific data exchanges are > limited to a non-harmonized set of applications, such as ETSI's > CAM/DENM presence signalling; worse, some link-specific messages > exhibit behaviour assimilated to IP behaviour but the systems are > incompatible with the Internet without involving specific gatewaying. > The industry needs to employ IP data exchanges between vehicles, and > between vehicles and the immediate infrastructure, rather than > link-specific exchanges, in order to benefit from advantages such as > (1) short delays, (2) fast forwarding through short paths of dumb > routers (2) ease of reusing of a huge number of a desktop Internet > applications in a vehicular environment (extend the Internet to mobile > platforms). I think this paragraph take too long to get to the main point, which is why IP is a goog thing in this environment. I suggest: Today, there are several deployed Vehicle-to-Internet technologies, including car tethering through driver's cellular smartphone. However, Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are = still being developed. To avoid link-specific data exchanges, and enable independent application sets to share the same links, IP data exchanges are needed. Enabling IP communication between vehicles (V2V), and between vehicles and the immediate infrastructure (V2I), will provide (1) short delays, (2) fast forwarding through short paths of routers, (3) ease of reuse of existing Internet applications in a vehicular environment. >=20 > Moving network to moving network communications involve link layers Add "nearby" here. I think it is important to the scope. > such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC (Visible > Light Communications), IrDA, LTE-D. Only the IP protocols are capable s/802.11 OCB/802.11p OCB (Outside the Context of a BSS)/ > of running on each of these links and establish IP paths across them > in an interoperable manner. >=20 > Scenarios? > ---------- > There are a few scenarios exhibiting the need to communicate from one > moving network to another nearby moving network. >=20 > In the automobile space, the Cooperative Adaptive Cruise Control and > Platooning features consider that vehicles close to each other > exchange data describing their kinematic status. At the cross-roads, > the moving network inside a vehicle exchanges data with the moving > network in the red-light pole. >=20 > Several public safety scenarios involve moving networks. Distinct > organizations deploy different moving networks (in-vehicle, on-person) > at an incident scene. These networks need to interoperate in order to > more effectively understand and deal with the incident scene. >=20 > In connected rail scenarios the moving network deployed in trains > communicate with other moving networks at the cross-points. >=20 > What kind of solutions? > ----------------------- > The current technical solutions considered to achieve moving network > to moving network communications are of two kinds: IP routing Add "nearby" here. I think it is important to the scope. > protocols for n-hop path management and 1-hop link-scoped IP protocol > enhancements. The 1-hop link-scoped protocols include the protocols > for route establishment involving ICMP Router Advertisements. The > n-hop path management protocols include n-hop path establishment > protocols (e.g. Babel, OSPF) and n-hop path search protocols (most > notably AODV and derivates). My understanding from the phone call was that we were going to focus on = the 1-hop protocols in this proposed working group, but leverage work from other = groups for the n-hop situation. I think we need to say something here about the duration of some of the = communications. a vehicle traveling at 80 Km/h is not going to have communications with = a roadside device for very long. >=20 > What kind of requirements? > -------------------------- > The requirements for mechanisms for moving network to moving network Add "nearby" here. I think it is important to the scope. > communications are focusing on low delays of the data paths, reduced > number of messages for path establishment, application friendly, > resilience to attacks, compatibility with DHCP and Mobile IP. >=20 > In addition, some moving network to moving network applications Add "nearby" here. I think it is important to the scope. > involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the > 1-hop IP moving network to moving netowrk mechanisms will need to > gracefully support IP multicast. >=20 > Due to the inherent characteristics of safety-related communications, > all new moving network to moving network 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). >=20 > Establishing 1-hop IP V2V paths must not break the existing on-board > protocols and applications which communicate with the Internet, > possibly via multiple radios. >=20 > In a moving network deployed in an automobile, typically one exit > point connects the moving network to other moving networks. However, > in a more general manner (and to support reliability) any new > mechanism of moving network to moving network communications should > support multi-homing: one router to use multiple interfaces towards > outside the moving network, or multiple routers. >=20 > Current version of Internet protocols > ------------------------------------- > The version of the IP protocol is IPv6 (witness 10% IPv6 penetration > as of early 2016, mobile operators evolving to IPv6-only, government > IPv6 push, IPv4 exhaust at RIRs); this acommodates the current > generation of Internet protocols. For backwards compatibility, IPv4 > may be considered as well, but not exclusively. Link-local IPv6 > addresses will be used. This it too long. Just say that the groups will only work on IPv6 = solutions. >=20 > What SDOs may need this work? > ----------------------------- > The requirements and standards for moving network to moving network > communications, often involving IPv6, and novel V2V and V2Infra > concepts, are developed mainly at ISO TC204 "Intelligent Transport > Systems", 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, as well as OCB mode of IEEE 802.11. > 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. >=20 > Work Items > ---------- > - use-cases for moving network to moving network communications > - Problem Statement for moving network to moving network = communications > - Security and Privacy Requirements for moving network to > moving network communications > - Problem Statement for moving network to infrastructure network > communications, including DNS > - Potentially new protocol, or protocol extensions for establishing IP > paths for 1-hop moving network to moving network communications. > With MIB and security. > - IPv6-over foo, where foo is pertinent for moving network to moving > network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) >=20 > Timeline > -------- > - >=20 > _______________________________________________ > its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its --Apple-Mail-3-685596059 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii =20 =20
= -----------------------------------------------------------------------
                =      ITS (name to change)
            =        Charter
            =  February 15th, 2016
         http://ietf.org/mailman/list= info/its


Intelligent Transportation Systems (its)
----------------------------------------
Current Status: WG forming

Chairs:
   TBD

Assigned Area Director:
   TBD

Mailing list
   Address: its@ietf.org
   To Subscribe: https://www.ietf.org/ma= ilman/listinfo/its
   Archive:
   ht= tp://www.ietf.org/mail-archive/web/its/current/maillist.html

Additional web page
   TBD

Charter:

Goal
----
The goal of this group is to standardize IP protocols for establishing
direct and secure connectivity between moving networks.

Moving Network to Moving Network Communications
-----------------------------------------------
The group is concerned with all situations involving moving network to
moving network communications.  For example: = vehicle-to-vehicle
communications, nomadic user wearing a PAN and communicating to = a
homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a
train, or train-to-intersection signalling.

Example from the automobile communications space
------------------------------------------------
Automobiles and vehicles of all types are increasingly connected to
the Internet.  Entertainment apps enhancing comfort, reliable = data
exchanges for road safety, and automated driving, are commonly seen as

Editorial: =  s/automated driving, are/automated driving = are/

winning sale 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.

I think that the = "winning sales arguments" is not needed here.  Instead, I think = it
would be valuable to say that these features are coming, = and that the safety
features are expected to become = required.


Why IP?
-------
Whereas the Vehicle-to-Internet technologies are considered completed
and deployed in automobiles currently on the roads (e.g. car tethering
through driver's cellular smartphone, live traffic data displayed on
the dashboard, - use of NAT/DHCP and potentially Mobile IP), = the
Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are
still in an infancy stage: primitive link-specific data exchanges are
limited to a non-harmonized set of applications, such as = ETSI's
CAM/DENM presence signalling; worse, some link-specific = messages
exhibit behaviour assimilated to IP behaviour but the systems = are
incompatible with the Internet without involving specific gatewaying.
The industry needs to employ IP data exchanges between vehicles, and
between vehicles and the immediate infrastructure, rather than
link-specific exchanges, in order to benefit from advantages such as
(1) short delays, (2) fast forwarding through short paths of = dumb
routers (2) ease of reusing of a huge number of a desktop = Internet
applications in a vehicular environment (extend the Internet to mobile
platforms).

I = think this paragraph take too long to get to the main point, which = is
why IP is a goog thing in this environment.  I = suggest:

Today, there are several = deployed Vehicle-to-Internet technologies,
including car = tethering through driver's cellular smartphone. =  However,
Vehicle-to-Vehicle and = Vehicle-to-Infrastructure communications are still
being = developed.  To avoid link-specific data exchanges, and = enable
independent application sets to share the same links, = IP data exchanges
are needed.  Enabling IP communication = between vehicles (V2V), and
between vehicles and the immediate = infrastructure (V2I), will provide
(1) short delays, (2) = fast forwarding through short paths of routers,
(3) ease = of reuse of existing Internet applications in a = vehicular
environment.


Moving network to moving network communications involve link layers

Add = "nearby" here.  I think it is important to the = scope.

such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC = (Visible
Light Communications), IrDA, LTE-D.  Only the IP protocols = are capable

s/802.11 = OCB/802.11p OCB (Outside the Context of a = BSS)/

of running on each of these links and establish IP paths across them
in an interoperable manner.

Scenarios?
----------
There are a few scenarios exhibiting the need to communicate from one
moving network to another nearby moving network.

In the automobile space, the Cooperative Adaptive Cruise Control and
Platooning features consider that vehicles close to each other
exchange data describing their kinematic status.  At the cross-roads,
the moving network inside a vehicle exchanges data with the = moving
network in the red-light pole.

Several public safety scenarios involve moving networks.  = Distinct
organizations deploy different moving networks (in-vehicle, on-person)
at an incident scene.  These networks need to interoperate in order to
more effectively understand and deal with the incident scene.

In connected rail scenarios the moving network deployed in = trains
communicate with other moving networks at the cross-points.

What kind of solutions?
-----------------------
The current technical solutions considered to achieve moving network
to moving network communications are of two kinds: IP = routing

Add "nearby" here. =  I think it is important to the scope.

protocols for n-hop path management and 1-hop = link-scoped IP protocol
enhancements.  The 1-hop link-scoped protocols include the protocols
for route establishment involving ICMP Router = Advertisements.  The
n-hop path management protocols include n-hop path = establishment
protocols (e.g. Babel, OSPF) and n-hop path search protocols = (most
notably AODV and = derivates).

My understanding = from the phone call was that we were going to focus on the = 1-hop
protocols in this proposed working group, but leverage = work from other groups for the
n-hop = situation.

I think we need to say something = here about the duration of some of the communications.
a = vehicle traveling at 80 Km/h is not going to have communications with a = roadside
device for very long.


What kind of requirements?
--------------------------
The requirements for mechanisms for moving network to moving network

Add "nearby" = here.  I think it is important to the = scope.

communications are = focusing on low delays of the data paths, reduced
number of messages for path establishment, application = friendly,
resilience to attacks, compatibility with DHCP and Mobile IP.

In addition, some moving network to moving network = applications

Add "nearby" = here.  I think it is important to the = scope.

involve IP multicast = mechanisms (e.g. virtual siren); thus C-ACC the
1-hop IP moving network to moving netowrk mechanisms will need = to
gracefully support IP multicast.

Due to the inherent characteristics of safety-related communications,
all new moving network to moving network 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 = Internet,
possibly via multiple radios.

In a moving network deployed in an automobile, typically one = exit
point connects the moving network to other moving networks.  However,
in a more general manner (and to support reliability) any new
mechanism of moving network to moving network communications should
support multi-homing: one router to use multiple interfaces towards
outside the moving network, or multiple routers.

Current version of Internet protocols
-------------------------------------
The version of the IP protocol is IPv6 (witness 10% IPv6 penetration
as of early 2016, mobile operators evolving to IPv6-only, government
IPv6 push, IPv4 exhaust at RIRs); this acommodates the current
generation of Internet protocols.  For backwards = compatibility, IPv4
may be considered as well, but not exclusively.  Link-local = IPv6
addresses will be = used.

This it too long. =  Just say that the groups will only work on IPv6 = solutions.


What SDOs may need this work?
-----------------------------
The requirements and standards for moving network to moving network
communications, often involving IPv6, and novel V2V and = V2Infra
concepts, are developed mainly at ISO TC204 "Intelligent = Transport
Systems", 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, as well as OCB mode of IEEE 802.11.
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-cases for moving network to moving network = communications
- Problem Statement for moving network to moving network communications
- Security and Privacy Requirements for moving network to
  moving network communications
- Problem Statement for moving network to infrastructure = network
  communications, including DNS
- Potentially new protocol, or protocol extensions for establishing IP
  paths for 1-hop moving network to moving network = communications.
  With MIB and security.
- IPv6-over foo, where foo is pertinent for moving network to moving
  network communications (e.g. 802.11 OCB, VLC, LTE-D, = 802.11ad)

Timeline
--------
-

_______________________________________________
its mailing = list
its@ietf.org
https://www.ietf.org/ma= ilman/listinfo/its

= --Apple-Mail-3-685596059-- From nobody Thu Feb 18 09:48:09 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E99E51A8F4A for ; Thu, 18 Feb 2016 09:48:08 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.983 X-Spam-Level: X-Spam-Status: No, score=-4.983 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AKWVNGkO9s4V for ; Thu, 18 Feb 2016 09:48:04 -0800 (PST) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.167.192.142]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ECF681A88FC for ; Thu, 18 Feb 2016 09:48:03 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1IHlxga028343; Thu, 18 Feb 2016 18:47:59 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 44100200E34; Thu, 18 Feb 2016 18:47:59 +0100 (CET) Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 2D1AA200CF8; Thu, 18 Feb 2016 18:47:59 +0100 (CET) Received: from [132.166.84.90] ([132.166.84.90]) by muguet2.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1IHlwa1004113; Thu, 18 Feb 2016 18:47:58 +0100 To: dickroy@alum.mit.edu, "'Russ Housley'" References: <56C1D0AB.3020006@gmail.com> <8B07B35E-3FE8-4B1E-9017-7A2E34B320F3@vigilsec.com> From: Alexandre Petrescu Message-ID: <56C603CD.6010809@gmail.com> Date: Thu, 18 Feb 2016 18:47:57 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Cc: "'Dr. Hans-Joachim Fischer'" , knut.evensen@q-free.com, 'Thierry Ernst' , its@ietf.org Subject: Re: [its] Updated charter - please comment X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2016 17:48:09 -0000 Le 17/02/2016 23:15, Richard Roy a crit : > My comments are inline below ... > > RR > > ------------------------------------------------------------------------ > > > *From:*Russ Housley [mailto:housley@vigilsec.com] *Sent:* Wednesday, > February 17, 2016 10:36 AM *To:* Alexandre Petrescu *Cc:* > its@ietf.org *Subject:* Re: [its] Updated charter - please comment > > Alex: > > Below are my comments on the proposed charter text. > > Russ > > > > ----------------------------------------------------------------------- > > > ITS (name to change) Charter February 15th, 2016 > http://ietf.org/mailman/listinfo/its > > > Intelligent Transportation Systems (its) > ---------------------------------------- Current Status: WG forming > > Chairs: TBD > > Assigned Area Director: TBD > > Mailing list Address: its@ietf.org To > Subscribe: https://www.ietf.org/mailman/listinfo/its Archive: > http://www.ietf.org/mail-archive/web/its/current/maillist.html > > Additional web page TBD > > Charter: > > Goal ---- The goal of this group is to standardize IP protocols for > establishing direct and secure connectivity between moving networks. > > */[RR>] Hard to believe that IP protocols need standardizing. Isn't > the real issue one of an appropriate "profile" for using already > existing RFCs to implement IPv6 networking "between moving > subnets"?/* Well profiles are for Bluetooth if you wish (which is below IP, or above IP) but I can say "adapt" or "improve" IP protocols. BEcause I havent much seen the word "profile" in RFCs for the IP layer. > Moving Network to Moving Network Communications > ----------------------------------------------- The group is > concerned with all situations involving moving network to moving > network communications. For example: vehicle-to-vehicle > communications, nomadic user wearing a PAN and communicating to a > homenet, vehicle-to-infrastructure communications, wagon-to-wagon in > a train, or train-to-intersection signalling. > > Example from the automobile communications space > ------------------------------------------------ Automobiles and > vehicles of all types are increasingly connected to the Internet. > Entertainment apps enhancing comfort, reliable data exchanges for > road safety, and automated driving, are commonly seen as > > Editorial: s/automated driving, are/automated driving are/ > > > > winning sale 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. > > I think that the "winning sales arguments" is not needed here. > Instead, I think it > > would be valuable to say that these features are coming, and that > the safety > > features are expected to become required. > > */[RR>] Many of the apps to which you allude do not require IPv6 > networking. If you feel the need to provide use cases, make sure > they require IPv6 networking in a mobile context./* I will try to do that. I would like you - if possible - to suggest other use case which requires IPv6 networking in a mobile context? Thanks. Let me explain the reasoning in the paragraph above by listing a few key items for IPv6 networking in V2V and V2I, pick one: I experienced the need for IP between cells of vehicles moving together. The need was there urgent: the programmer in the back car had absolutely to flush the data in the middle car and the LTE connection was down. If no flush then risk of accident. The computer that flushes is windows with TCP IP on WiFi. The computer to be flushed is a linux variant on a CAN network. The only way to have that flush work is to network the two computers IP networked together. There is no standard in vehicular communications which requires IPv4. If ever IP is mentioned it is IPv6. The example C-ACC use case is typical illustration of a direct vehicle-to-vehicle communication of data (as opposed to entertainment apps which are Vehicle-to-Internet, and 'radar' communication which is bouncing signals not data). A C-ACC standard currently under definition by ETSI is using CAM and DENM messages. The CAM and DENM messages are understood by some at the link-layer and by others at the application-layer. If they are application-layer, then there is a need of a networking layer. The only networking layer is IPv6. Vehicles connected to the Internet can only use IPv6 as networking layer. If we want V2V and V2I to make a V2V2I the only possibility again is to use IPv6 as the networking layer. If we dont use IPv6 as the networking layer in V2V and V2I then we risk end up with incompatibilities, seggregation in the deployed vehicles. This is what happened with WAP in the mobile phone world until IP arrived. This is what happens these days with consumer electronics standards which include more and more IP technology as a networking layer after initial deployments of specific apps without networking layers. > Why IP? ------- Whereas the Vehicle-to-Internet technologies are > considered completed and deployed in automobiles currently on the > roads (e.g. car tethering through driver's cellular smartphone, live > traffic data displayed on the dashboard, - use of NAT/DHCP and > potentially Mobile IP), the Vehicle-to-Vehicle and > Vehicle-to-Infrastructure communications are still in an infancy > stage: primitive link-specific data exchanges are limited to a > non-harmonized set of applications, such as ETSI's CAM/DENM presence > signalling; > > */[RR>] Using the term non-harmonized here is not only incorrect, > but inflammatory. Please remove such ill-advised terminology from > the draft./* Ok sorry if offense. > > worse, some link-specific messages exhibit behaviour assimilated to > IP behaviour > > */[RR>] Not sure what the point is here. Messages don't have > "behaviors", they have information content./* Ok. > > but the systems are incompatible with the Internet without involving > specific gatewaying. > > */[RR>] Gateway functionality is above the transport layer, and > hence out of scope of this effort. /* Ok, removed it for clarification. I agree with you. I think I meant routing. > The industry needs to employ IP data exchanges between vehicles, and > between vehicles and the immediate infrastructure, rather than > link-specific exchanges, in order to benefit from advantages such as > (1) short delays, (2) fast forwarding through short paths of dumb > routers (2) ease of reusing of a huge number of a desktop Internet > applications in a vehicular environment (extend the Internet to > mobile platforms). > > */[RR>] This list is contradictory and the "necessity of employing" > is not obvious. If you want fast forwarding, you don't do IP, you > do MAC bridging at the data link layer where possible. It sounds intuitive, but measuring it may surprise: Apps running directly on link layer vs on a networking layer are not necessarily faster. The round-trip time of 1280-byte packets on 802.11p is sensibly the same whether or not the 40bytes of the IPv6 header is used. The compute parts of an IP layer does not introduce much delay compared to the compute parts of the Ethernet link layer. The comparison of the compute-intensive parts in the two layers are the following: - the CRC is optional in IP but mandatory in Ethernet. - the table lookup is longest-match in IP (faster in simpler 1-hop topologies employing default routes) and exact-match in Ethernet (always same cost regardless topology size and complexity). > If you want short delays, make the packets smaller and the > processing overhead minimal, both of which argue AGAINST IPv6 > networking protocols. I should have been clearer: Using IPv6 as networking layer in a string of vehicles allows for fast and deterministic communications between the frontmost and rearmost vehicle regardless the size of the string - it scales. Only with an 802.11p link layer (no IP) that string is bound to a small size of a few hundred meters, and additional propagation delays due to radio propagation uncertainties - it doesnt scale. > The advantage of IPv6 pure and simple is that using that particular > networking protocol, most of the rest of the world can be reached! > There is little debate on this point, and it is sufficient to > justify pursuing this work. Why not leave it at that?? /* I agree Richard. > I think this paragraph take too long to get to the main point, which > is > > why IP is a goog thing in this environment. I suggest: > > Today, there are several deployed Vehicle-to-Internet technologies, > > including car tethering through driver's cellular smartphone. > However, > > Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are > still > > being developed. To avoid link-specific data exchanges, and enable > > independent application sets to share the same links, IP data > exchanges > > are needed. Enabling IP communication between vehicles (V2V), and > > between vehicles and the immediate infrastructure (V2I), will > provide > > (1) short delays, (2) fast forwarding through short paths of > routers, > > (3) ease of reuse of existing Internet applications in a vehicular > > environment. > > */[RR>] I would avoid any discussion of link-specific data exchanges > because they are being mandated, and they have no bearing on this > work. I'd simply state the obvious advantage of being able to > leverage off the already deployed Internet and leave it at that./* Improved the text. > > > > > Moving network to moving network communications involve link layers > > Add "nearby" here. I think it is important to the scope. > > > > such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC (Visible > Light Communications), IrDA, LTE-D. Only the IP protocols are > capable > > s/802.11 OCB/802.11p OCB (Outside the Context of a BSS)/ > >> of running on each of these links and establish IP paths across >> them in an interoperable manner. >> >> */[RR>] Fair enough ... see comment above. Clearly there is no >> need to focus on the data link and physical layers, other than to >> state the obvious that if a particular MAC&PHY doesn't support the >> requisite MTU sizes (e.g. 802.15.4), then some accommodations >> (e.g. 6LoWPAN) will have to be made if possible. Noe of that >> should affect the work of this group if I understand the goals >> correctly. /* >> >> >> >> Scenarios? ---------- There are a few scenarios exhibiting the >> need to communicate from one moving network to another nearby >> moving network. >> >> In the automobile space, the Cooperative Adaptive Cruise Control >> and Platooning features consider that vehicles close to each other >> exchange data describing their kinematic status. At the >> cross-roads, the moving network inside a vehicle exchanges data >> with the moving network in the red-light pole. >> >> Several public safety scenarios involve moving networks. Distinct >> organizations deploy different moving networks (in-vehicle, >> on-person) at an incident scene. These networks need to >> interoperate in order to more effectively understand and deal with >> the incident scene. >> >> In connected rail scenarios the moving network deployed in trains >> communicate with other moving networks at the cross-points. >> >> */[RR>] The issue of trains and subnets thereon is tricky and the >> topic of several investigations ongoing in Europe (including ETSI >> TC RT and ITS (RT-JTFIR)). We may want to steer clear of such use >> cases for the time being until the dust settles./* There is a person from a router manufacturer who expressed high interest in the technology for rails. We may get a presentation in Buenos Aires to help clarify. >> >> >> >> What kind of solutions? ----------------------- The current >> technical solutions considered to achieve moving network to moving >> network communications are of two kinds: IP routing >> > Add "nearby" here. I think it is important to the scope. > > > > protocols for n-hop path management and 1-hop link-scoped IP protocol > enhancements. The 1-hop link-scoped protocols include the protocols > for route establishment involving ICMP Router Advertisements. The > n-hop path management protocols include n-hop path establishment > protocols (e.g. Babel, OSPF) and n-hop path search protocols (most > notably AODV and derivates). > > */[RR>] Are these protocol modfications/additions, or simply > profiles on existing protocols? I suspect it's the later, but you > are the experts:^))/* It's improving a protocol if possible (tweak its timers, extend some header) or otherwise make a new one. I am not sure about profiling protocols. I need to understand better this term profiling. > My understanding from the phone call was that we were going to focus > on the 1-hop > > protocols in this proposed working group, but leverage work from > other groups for the > > n-hop situation. > > I think we need to say something here about the duration of some of > the communications. > > a vehicle traveling at 80 Km/h is not going to have communications > with a roadside > > device for very long. > > > > > What kind of requirements? -------------------------- The > requirements for mechanisms for moving network to moving network > > Add "nearby" here. I think it is important to the scope. > > > > communications are focusing on low delays of the data paths, reduced > number of messages for path establishment, application friendly, > resilience to attacks, compatibility with DHCP and Mobile IP. > > In addition, some moving network to moving network applications > > Add "nearby" here. I think it is important to the scope. > > */[RR>] ITS communication security is being addressed in various > venues (most notably IEEE 1609 and ETSI TC ITS). We should be > careful not to reinvent the wheel. For example, while there is no > theoretical problem using IPsec, to secure IPv6 management messages > as well as data exchanges at the network layer, you might find using > 1609.2 security functions work just as well if not better, and such > mechanisms are/will be mandated in all "vehicles", so why not use > them./* YEs, I agree. We need to reuse from 1609, ETSI TC ITS and others. When studying some of them we may realize some may come from IETF (the cert parts is an example). We need to identify the right source of reuse. > involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the > 1-hop IP moving network to moving netowrk mechanisms will need to > gracefully support IP multicast. > > Due to the inherent characteristics of safety-related communications, > all new moving network to moving network 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). > > */[RR>] All this has been and continues to be addressed in other > venues. The solutions derived there are being / will be mandated by > regulators. We should carefully follow and contribute to those > efforts here appropriate, but otherwise not try to build a separate > sand castle! /* I agree. We will strive to synchronize with regulators. > Establishing 1-hop IP V2V paths must not break the existing on-board > protocols and applications which communicate with the Internet, > possibly via multiple radios. > > */[RR>] Not sure why this is a concern. It's technical: in a car the Mobile Router can only have one default route. Many V2I trials have that default route used by Mobile IP these days (forward everything to the HA). If we come up with a new technique for more direct V2V and V2I communications we must make sure we dont disturb that Mobile IP part. It's a typical multihoming problem. > 1-hop V2V doesn't require and in many cases does not use ANY > networking at all (cf. FNTP, WSMP, HSMP, NNTP, whatever name you want > to give the null-networking protocol whcih has been standardized in > IEEE and ISO (cf. IEEE 1609.3, ISO 16460, ISO 29281-1, etc.)./* What hop do you think about? I think about IP hop. Should I call it 1-IP-hop V2V? > In a moving network deployed in an automobile, typically one exit > point connects the moving network to other moving networks. However, > in a more general manner (and to support reliability) any new > mechanism of moving network to moving network communications should > support multi-homing: one router to use multiple interfaces towards > outside the moving network, or multiple routers. > > Current version of Internet protocols > ------------------------------------- The version of the IP protocol > is IPv6 (witness 10% IPv6 penetration as of early 2016, mobile > operators evolving to IPv6-only, government IPv6 push, IPv4 exhaust > at RIRs); this acommodates the current generation of Internet > protocols. For backwards compatibility, IPv4 may be considered as > well, but not exclusively. Link-local IPv6 addresses will be used. > > This it too long. Just say that the groups will only work on IPv6 > solutions. > > */[RR>] Yes. Simpler is better!/* Thanks, I agree. Modified accordingly. Alex > > > > > What SDOs may need this work? ----------------------------- The > requirements and standards for moving network to moving network > communications, often involving IPv6, and novel V2V and V2Infra > concepts, are developed mainly at ISO TC204 "Intelligent Transport > Systems", 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, as well as OCB > mode of IEEE 802.11. 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-cases for moving network to moving > network communications - Problem Statement for moving network to > moving network communications - Security and Privacy Requirements > for moving network to moving network communications - Problem > Statement for moving network to infrastructure network > communications, including DNS - Potentially new protocol, or protocol > extensions for establishing IP paths for 1-hop moving network to > moving network communications. With MIB and security. - IPv6-over > foo, where foo is pertinent for moving network to moving network > communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) > > */[RR>] The real issue is using IPv6 networking to connect mobile > LAN subnets ... the data link and physical layer technology is NOT > directly relevant. Simpler is better!/* > > > > Timeline -------- - > > _______________________________________________ its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its > From nobody Thu Feb 18 09:54:40 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 61A4A1B2E4B for ; Thu, 18 Feb 2016 09:54:38 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.982 X-Spam-Level: X-Spam-Status: No, score=-4.982 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ymMZ5FomwpJX for ; Thu, 18 Feb 2016 09:54:34 -0800 (PST) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ECE901B2E68 for ; Thu, 18 Feb 2016 09:54:33 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1IHsW8b004421 for ; Thu, 18 Feb 2016 18:54:32 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id ECF5A201252 for ; Thu, 18 Feb 2016 18:54:31 +0100 (CET) Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (Postfix) with ESMTP id E1949200E34 for ; Thu, 18 Feb 2016 18:54:31 +0100 (CET) Received: from [132.166.84.90] ([132.166.84.90]) by muguet2.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1IHsVHf007307 for ; Thu, 18 Feb 2016 18:54:31 +0100 To: "its@ietf.org" From: Alexandre Petrescu Message-ID: <56C60556.3010700@gmail.com> Date: Thu, 18 Feb 2016 18:54:30 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------000604060505070705090705" Archived-At: Subject: [its] updated Charter up for comments X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2016 17:54:38 -0000 This is a multi-part message in MIME format. --------------000604060505070705090705 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Russ, Richard, ITSers, Following comments from Russ and Richard I updated the charter proposal, see below. Please comment. Yours, Alex ---------------------------------------- ITS (name to change) Charter February 18th, 2016 http://ietf.org/mailman/listinfo/its Intelligent Transportation Systems (its) ---------------------------------------- Current Status: WG forming Chairs: TBD Assigned Area Director: TBD Mailing list Address: its@ietf.org To Subscribe: https://www.ietf.org/mailman/listinfo/its Archive: http://www.ietf.org/mail-archive/web/its/current/maillist.html Additional web page TBD Charter: Goal ---- The goal of this group is to standardize IP protocols for establishing direct and secure connectivity between moving networks. Moving Network to Nearby Moving Network Communications ------------------------------------------------------ The group is concerned with all situations involving moving network to nearby moving network communications. For example: vehicle-to-vehicle communications, nomadic user wearing a PAN and communicating to a homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a train, or train-to-intersection signalling. Example from the automobile communications space ------------------------------------------------ Automobiles and vehicles of all types are increasingly connected to the Internet. Entertainment apps enhancing comfort, reliable data exchanges for road safety, and automated driving are features coming in automobiles to hit the roads from now to year 2020. Highlighting increased safety as an immediate result of hyper-connectivity applied to vehicles, public authorities worldwide are increasingly mandating communication technology requirements in vehicles. Emergency apps for new instrumented ambulances carry many benefits both to the users and to society in general. Why IP? ------- Today, there are several deployed Vehicle-to-Internet technologies, including car tethering through driver's cellular smartphone. However, Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are still being developed. To improve on a situation of link-specific data exchanges, and enable independent application sets to share the same links, IP data exchanges are needed. Enabling IP communication between vehicles (V2V), and between vehicles and the immediate infrastructure (V2I), will provide (0) ability to reach the rest of the world on the Inerenet (1) short and deterministic delays, (2) fast forwarding through scalable paths of routers, (3) ease of reuse of existing Internet applications in a vehicular environment. Moving network to nearby moving network communications involve link layers such as: 802.11p OCB (Outside the Context of a Basic Service Set), 802.15.4 with 6lowpan, 802.11ac, VLC (Visible Light Communications), IrDA, LTE-D. Only the IP protocols are capable of running on each of these links and establish IP paths across them in an interoperable manner. Scenarios? ---------- There are a few scenarios exhibiting the need to communicate from one moving network to another nearby moving network. In the automobile space, the Cooperative Adaptive Cruise Control and Platooning features consider that vehicles close to each other exchange data describing their kinematic status. At the cross-roads, the moving network inside a vehicle exchanges data with the moving network in the red-light pole. Several public safety scenarios involve moving networks. Distinct organizations deploy different moving networks (in-vehicle, on-person) at an incident scene. These networks need to interoperate in order to more effectively understand and deal with the incident scene. In connected rail scenarios the moving network deployed in trains communicate with other moving networks at the cross-points. What kind of solutions? ----------------------- The current technical solutions considered to achieve moving network to nearby moving network communications are of two kinds: IP routing protocols for n-hop path management and 1-hop link-scoped IP protocol enhancements. The 1-hop link-scoped protocols include the protocols for route establishment involving ICMP Router Advertisements. The n-hop path management protocols include n-hop path establishment protocols (e.g. Babel, OSPF) and n-hop path search protocols (most notably AODV and derivates). In this proposed Working Group the focus is on 1-hop protocols, and leverage from other Working Groups for the n-hop situations. In some of the moving network applications the window of opportunity for exchanging data with the immediate infrastructure may be very short. For example, a car driving near a road-side unit may have only 5s to exchange with that RSU (depending on speed, RSU range and number). (ephemeral connections). What kind of requirements? -------------------------- The requirements for mechanisms for moving network to nearby moving network communications are focusing on low delays of the data paths, reduced number of messages for path establishment, application friendly, resilience to attacks, compatibility with DHCP and Mobile IP. In addition, some moving network to nearby moving network applications involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the 1-hop IP moving network to nearby moving netowrk mechanisms will need to gracefully support IP multicast. Due to the inherent characteristics of safety-related communications, all new moving network to nearby moving network 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 Internet, possibly via multiple radios. In a moving network deployed in an automobile, typically one exit point connects the moving network to other moving networks. However, in a more general manner (and to support reliability) any new mechanism of moving network to nearby moving network communications should support multi-homing: one router to use multiple interfaces towards outside the moving network, or multiple routers. Current version of Internet protocols ------------------------------------- The group will only work on IPv6 solutions. What SDOs may need this work? ----------------------------- The requirements and standards for moving network to nearby moving network communications, often involving IPv6, and novel V2V and V2Infra concepts, are developed mainly at ISO TC204 "Intelligent Transport Systems", 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, as well as OCB mode of IEEE 802.11. 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-cases for moving network to nearby moving network communications - Problem Statement for moving network to nearby moving network communications - Security and Privacy Requirements for moving network to nearby moving network communications - Problem Statement for moving network to infrastructure network communications, including DNS - Potentially new protocol, or protocol extensions for establishing IP paths for 1-hop moving network to nearby moving network communications. With MIB and security. - IPv6-over foo, where foo is pertinent for moving network to nearby moving network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) Timeline -------- - --------------000604060505070705090705 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Russ, Richard, ITSers,

Following comments from Russ and Richard I updated the charter proposal, see below.  Please comment.

Yours,

Alex


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

             ITS (name to change)
                   Charter
             February 18th, 2016
         http://ietf.org/mailman/listinfo/its


Intelligent Transportation Systems (its)
----------------------------------------
Current Status: WG forming

Chairs:
   TBD

Assigned Area Director:
   TBD

Mailing list
   Address: its@ietf.org
   To Subscribe: https://www.ietf.org/mailman/listinfo/its
   Archive:
   http://www.ietf.org/mail-archive/web/its/current/maillist.html

Additional web page
   TBD

Charter:

Goal
----
The goal of this group is to standardize IP protocols for establishing
direct and secure connectivity between moving networks.

Moving Network to Nearby Moving Network Communications
------------------------------------------------------
The group is concerned with all situations involving moving network to
nearby moving network communications.  For example: vehicle-to-vehicle
communications, nomadic user wearing a PAN and communicating to a
homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a
train, or train-to-intersection signalling.

Example from the automobile communications space
------------------------------------------------
Automobiles and vehicles of all types are increasingly connected to
the Internet.  Entertainment apps enhancing comfort, reliable data
exchanges for road safety, and automated driving are features coming
in automobiles to hit the roads from now to year 2020.  Highlighting
increased safety as an immediate result of hyper-connectivity applied
to vehicles, public authorities worldwide are increasingly mandating
communication technology requirements in vehicles.

Emergency apps for new instrumented ambulances carry many benefits
both to the users and to society in general.

Why IP?
-------
Today, there are several deployed Vehicle-to-Internet technologies,
including car tethering through driver's cellular smartphone.
However, Vehicle-to-Vehicle and Vehicle-to-Infrastructure
communications are still being developed.  To improve on a situation
of link-specific data exchanges, and enable independent application
sets to share the same links, IP data exchanges are needed.  Enabling
IP communication between vehicles (V2V), and between vehicles and the
immediate infrastructure (V2I), will provide (0) ability to reach the
rest of the world on the Inerenet (1) short and deterministic delays,
(2) fast forwarding through scalable paths of routers, (3) ease of
reuse of existing Internet applications in a vehicular environment.

Moving network to nearby moving network communications involve link
layers such as: 802.11p OCB (Outside the Context of a Basic Service
Set), 802.15.4 with 6lowpan, 802.11ac, VLC (Visible Light
Communications), IrDA, LTE-D.  Only the IP protocols are capable of
running on each of these links and establish IP paths across them in
an interoperable manner.

Scenarios?
----------
There are a few scenarios exhibiting the need to communicate from one
moving network to another nearby moving network.

In the automobile space, the Cooperative Adaptive Cruise Control and
Platooning features consider that vehicles close to each other
exchange data describing their kinematic status.  At the cross-roads,
the moving network inside a vehicle exchanges data with the moving
network in the red-light pole.

Several public safety scenarios involve moving networks.  Distinct
organizations deploy different moving networks (in-vehicle, on-person)
at an incident scene.  These networks need to interoperate in order to
more effectively understand and deal with the incident scene.

In connected rail scenarios the moving network deployed in trains
communicate with other moving networks at the cross-points.

What kind of solutions?
-----------------------
The current technical solutions considered to achieve moving network
to nearby moving network communications are of two kinds: IP routing
protocols for n-hop path management and 1-hop link-scoped IP protocol
enhancements.  The 1-hop link-scoped protocols include the protocols
for route establishment involving ICMP Router Advertisements.  The
n-hop path management protocols include n-hop path establishment
protocols (e.g. Babel, OSPF) and n-hop path search protocols (most
notably AODV and derivates).

In this proposed Working Group the focus is on 1-hop protocols, and
leverage from other Working Groups for the n-hop situations.

In some of the moving network applications the window of opportunity
for exchanging data with the immediate infrastructure may be very
short.  For example, a car driving near a road-side unit may have only
5s to exchange with that RSU (depending on speed, RSU range and
number). (ephemeral connections).

What kind of requirements?
--------------------------
The requirements for mechanisms for moving network to nearby moving
network communications are focusing on low delays of the data paths,
reduced number of messages for path establishment, application
friendly, resilience to attacks, compatibility with DHCP and Mobile
IP.

In addition, some moving network to nearby moving network applications
involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the
1-hop IP moving network to nearby moving netowrk mechanisms will need
to gracefully support IP multicast.

Due to the inherent characteristics of safety-related communications,
all new moving network to nearby moving network 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 Internet,
possibly via multiple radios.

In a moving network deployed in an automobile, typically one exit
point connects the moving network to other moving networks.  However,
in a more general manner (and to support reliability) any new
mechanism of moving network to nearby moving network communications
should support multi-homing: one router to use multiple interfaces
towards outside the moving network, or multiple routers.

Current version of Internet protocols
-------------------------------------
The group will only work on IPv6 solutions.

What SDOs may need this work?
-----------------------------
The requirements and standards for moving network to nearby moving
network communications, often involving IPv6, and novel V2V and
V2Infra concepts, are developed mainly at ISO TC204 "Intelligent
Transport Systems", 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,
as well as OCB mode of IEEE 802.11.  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-cases for moving network to nearby moving network communications
- Problem Statement for moving network to nearby moving network communications
- Security and Privacy Requirements for moving network to
  nearby moving network communications
- Problem Statement for moving network to infrastructure network
  communications, including DNS
- Potentially new protocol, or protocol extensions for establishing IP
  paths for 1-hop moving network to nearby moving network communications.
  With MIB and security.
- IPv6-over foo, where foo is pertinent for moving network to nearby
  moving network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad)

Timeline
--------
-

--------------000604060505070705090705-- From nobody Fri Feb 19 01:57:21 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F2F591A8F42 for ; Fri, 19 Feb 2016 01:57:19 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.683 X-Spam-Level: X-Spam-Status: No, score=-2.683 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, MANGLED_TRNFER=2.3, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VZL-djJWzaZ2 for ; Fri, 19 Feb 2016 01:57:17 -0800 (PST) Received: from cirse-out.extra.cea.fr (cirse-out.extra.cea.fr [132.167.192.142]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AAE731A8AC8 for ; Fri, 19 Feb 2016 01:57:16 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by cirse.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1J9vE7a002204 for ; Fri, 19 Feb 2016 10:57:14 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id B45A7203AAD for ; Fri, 19 Feb 2016 10:57:15 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id AB7002021DF for ; Fri, 19 Feb 2016 10:57:15 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1J9vEr0026396 for ; Fri, 19 Feb 2016 10:57:14 +0100 References: To: "its@ietf.org" From: Alexandre Petrescu X-Forwarded-Message-Id: Message-ID: <56C6E6FA.8020701@gmail.com> Date: Fri, 19 Feb 2016 10:57:14 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Subject: [its] Fwd: RE: Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2016 09:57:20 -0000 FYI - this mail seems to have not been distributed to the subscribers. -------- Message transfr -------- Sujet : RE: [its] Comments for a New Draft of Problem Statement for V2I Networking Date : Wed, 17 Feb 2016 13:24:26 -0800 De : Richard Roy Rpondre : dickroy@alum.mit.edu Organisation : SRA Pour : 'Alexandre Petrescu' , 'Mr. Jaehoon Paul Jeong' Copie : its@ietf.org, 'Dr. Hans-Joachim Fischer' , 'Thierry Ernst' , knut.evensen@q-free.com Alex/Paul, I suspect much of what you are thinking needs standardization below has already been standardized. You might want to check out ISO 21217 (ITS station/communication architecture), followed by ISO 21210 (IPv6 networking for ITS). If nothing else, we already have terms for all of the configurations you describe below (see ISO 21217). It would be best to stick with this now well-known terminology. By the way, none of this depends on 802.11 5.9GHz in the data link and physical layers. I continue to wonder why 802.11p ever comes up. It could just as well be 5.4GHz BRAN, 2.4GHz ISM, IR, tin can and a string, or whatever ... Cheers, RR > -----Original Message----- > From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com] > Sent: Wednesday, February 17, 2016 4:22 AM > To: Mr. Jaehoon Paul Jeong > Cc: its@ietf.org > Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I > Networking > > Hello Paul, > > Thanks a lot for this draft. This V2I problem statement covers many > things we have discussed in Yokohama. > > What do the others think about this draft? > > I hame some comments, see below. > > Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a crit : > > Hi ITS Colleagues, > > > > Title: Problem Statement for Vehicle-to-Infrastructure Networking > > I-D: draft-jeong-its-v2i-problem-statement-00 Link: > > https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 > > > > Abstract This document specifies the problem statement for > > IPv6-based vehicle- to-infrastructure networking. Dedicated > > Short-Range Communications (DSRC) is standardized as IEEE 802.11p for > > the wireless media access in vehicular networks. This document > > addresses the extension of IPv6 as the network layer protocol in > > vehicular networks and is focused on the networking issues in > > one-hop communication between a Road-Side Unit (RSU) and vehicle. > > The RSU is connected to the Internet and allows vehicles to have the > > Internet access if connected. The major issues of including IPv6 in > > vehicular networks are neighbor discovery protocol, stateless > > address autoconfiguration, and DNS configuration for the Internet > > connectivity over DSRC. Also, when the vehicle and the RSU have an > > internal network, respectively, the document discusses the issues of > > internetworking between the vehicle's internal network and the RSU's > > internal network. > > > > If you have comments or questions, please let me know. > > You can use the documentation prefixes 2001:db8:1000::/63 (instead of > real addresses like 2001:1000::/63). > > The term "RSU infra-node network" is something new and may need to be > present in the definitions section. > > If I understand you correctly, the RSU infra-node network is a network > of IP-addressable devices which are present in the Road-Side Unit - right? > > I am asking because I know some such RSUs on the market which contain > several IP-addressable devices linked together, but we dont have a name > for them. The "RSU infra-node network" sounds good, I think. > > For the term "mobile network" - we can rather use maybe > "moving network". > > In section 5 "Internetworking between the Vehicle and RSU networks": > > Problems are a prefix discovery and prefix exchange. The prefix > > discovery is defined as how routers in a mobile network discover > > prefixes in the mobile network. The prefix exchange is defined as > > how the vehicle and the RSU exchange their prefixes with each other. > > I agree with the problem of prefix exchange. > > For the "prefix discovery", I have some doubts. > > First, the routers inside the moving network can be pre-configured with > the prefixes inside that moving network. If so, then there can be no > need for these routers to discover the prefixes inside the same moving > network. But, of course, if they are not preconfigured then they have > to be discovered somehow. > > Second, there is a need for one router (the mobile router?) in the > moving network to discover several parameters of a nearby moving > network, and also the parameters of a "RSU infra-node network". These > parameters, including the IP prefix of the other network, are listed in > draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem". It > would be good to use same terminology for this discovery. > > > This section discusses IP addressing for V2I networking. There are > > two policies for IPv6 addressing in vehicular networks. The one > > policy is to use site-local IPv6 addresses for vehicular networks > > [RFC4291]. > > Since the site-local IPv6 addresses (fec0::) have been deprecated, it > would be appropriate to mention "Unique Local Addresses" (ULAs) which > can somehow play the role that seems to be needed here. I suggest to > substitute ULA for site-local addresses. > > > The former approach is > > usually used by Mobile Ad Hoc Networks (MANET) for a separate multi- > > link subnet. > > MANET has a certain meaning at IETF: it's the WG MANET. I dont think > there is any MANET draft that recommends ULAs (but maybe they recommend > site-locals?). Maybe ask the MANET WG what is the MANET IP Addressing > Architecture (do they use ULAs? do they use GUA - globals?). If yes > then refer to MANET WG document here. > > > Sections 7 ND, 8 address autoconf, 9 DNS > > I agree with these sections 7, 8 and 9. > > > 10. IP Mobility Support > > > > This section discusses an IP mobility support in V2I networking. In > > a single subnet per RSU, vehicles keep crossing the communication > > coverages of adjacent RSUs. During this crossing, TCP/UDP sessions > > can be maintained through IP mobility support, such as Mobile IPv6 > > [RFC6275]. Since vehicles move fast along roadways, this high speed > > should be configured for a parameter configuration in Mobile IPv6. > > > > To support the mobility of a vehicle's mobile network, Network > > Mobility (NEMO) protocol can be used [RFC3963]. Like Mobile IPv6, > > the high speed of vehicles should be considered for a parameter > > configuration in NEMO. > > I agree. > > I would like to add the following: > > 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to > the RSU infra-node a tunnel is established between the MR and its > Home Agent in the TCC (Traffic Control Center). If a node inside > the moving network (not the MR) needs to exchange data with a node > within the RSU infra-node network then that communication must > go through the Home Agent. The delays on the path to the HA may be > too high for the reactivity needed between a vehicle and an RSU, or > the path can even be blocked. For this reason it is necessary to > accommodate direct communications (skip the HA) between a node in > the moving network and a node in the RSU infra-node network. This > can be achieved only if the two networks learn each other's prefixes. > > 2. A new method of connecting the moving network directly to the RSU > infra-node network may lead to modifying the addressing architecture > in the moving network. This can become a problem to the use of > Mobile IP, because Mobile IP relies on the addressing architecture > controlled by the Home Agent. This problem should be solved as well. > > > In section 11 Security Considerations: > > 11. Security Considerations > > > > The security is very important in vehicular networks for V2I > > networking. Only valid vehicles should be allowed to use V2I > > networking in vehicular networks. VIN and a user certificate can be > > used to authenticate a vehicle and the user. > > > > This document shares all the security issues of the neighbor > > discovery protocol. This document can get benefits from secure > > neighbor discovery (SEND) [RFC3971] > > Recent works in security for vehicular networks mention two additional > things that are worth considering: > > 1. the use of TLS certificates for vehicle communications > draft-lonc-tls-certieee1609-01 > > 2. privacy considerations: a new ETSI activity may consider privacy > aspects of identifier generation in vehicular communications. > > It is worth referring to these aspects (give references). > > Yours, > > Alex > > > > > > > Thanks. > > > > Best Regards, 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://iotlab.skku.edu/people-jaehoon-jeong.php > > > > > > > > _______________________________________________ its mailing list > > its@ietf.org https://www.ietf.org/mailman/listinfo/its > > > From nobody Fri Feb 19 01:59:09 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 49CD71B2C92 for ; Fri, 19 Feb 2016 01:59:08 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.683 X-Spam-Level: X-Spam-Status: No, score=-2.683 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, MANGLED_TRNFER=2.3, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2M2p7-u50zsk for ; Fri, 19 Feb 2016 01:59:03 -0800 (PST) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0EF041B2C86 for ; Fri, 19 Feb 2016 01:59:02 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1J9x1MU002004 for ; Fri, 19 Feb 2016 10:59:01 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id E6135203AC3 for ; Fri, 19 Feb 2016 10:59:01 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id DC0012027DE for ; Fri, 19 Feb 2016 10:59:01 +0100 (CET) Received: from [10.8.34.184] (is227335.intra.cea.fr [10.8.34.184]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1J9x0dB027919 for ; Fri, 19 Feb 2016 10:59:00 +0100 References: <56C603CD.6010809@gmail.com> To: "its@ietf.org" From: Alexandre Petrescu X-Forwarded-Message-Id: <56C603CD.6010809@gmail.com> Message-ID: <56C6E764.4010809@gmail.com> Date: Fri, 19 Feb 2016 10:59:00 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <56C603CD.6010809@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Subject: [its] Fwd: Re: Updated charter - please comment X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2016 09:59:08 -0000 It seems this mail too from Richard was not distributed to subscribers. Alex -------- Message transfr -------- Sujet : Re: [its] Updated charter - please comment Date : Thu, 18 Feb 2016 18:47:57 +0100 De : Alexandre Petrescu Pour : dickroy@alum.mit.edu, 'Russ Housley' Copie : 'Dr. Hans-Joachim Fischer' , knut.evensen@q-free.com, 'Thierry Ernst' , its@ietf.org Le 17/02/2016 23:15, Richard Roy a crit : > My comments are inline below ... > > RR > > ------------------------------------------------------------------------ > > > *From:*Russ Housley [mailto:housley@vigilsec.com] *Sent:* Wednesday, > February 17, 2016 10:36 AM *To:* Alexandre Petrescu *Cc:* > its@ietf.org *Subject:* Re: [its] Updated charter - please comment > > Alex: > > Below are my comments on the proposed charter text. > > Russ > > > > ----------------------------------------------------------------------- > > > ITS (name to change) Charter February 15th, 2016 > http://ietf.org/mailman/listinfo/its > > > Intelligent Transportation Systems (its) > ---------------------------------------- Current Status: WG forming > > Chairs: TBD > > Assigned Area Director: TBD > > Mailing list Address: its@ietf.org To > Subscribe: https://www.ietf.org/mailman/listinfo/its Archive: > http://www.ietf.org/mail-archive/web/its/current/maillist.html > > Additional web page TBD > > Charter: > > Goal ---- The goal of this group is to standardize IP protocols for > establishing direct and secure connectivity between moving networks. > > */[RR>] Hard to believe that IP protocols need standardizing. Isn't > the real issue one of an appropriate "profile" for using already > existing RFCs to implement IPv6 networking "between moving > subnets"?/* Well profiles are for Bluetooth if you wish (which is below IP, or above IP) but I can say "adapt" or "improve" IP protocols. BEcause I havent much seen the word "profile" in RFCs for the IP layer. > Moving Network to Moving Network Communications > ----------------------------------------------- The group is > concerned with all situations involving moving network to moving > network communications. For example: vehicle-to-vehicle > communications, nomadic user wearing a PAN and communicating to a > homenet, vehicle-to-infrastructure communications, wagon-to-wagon in > a train, or train-to-intersection signalling. > > Example from the automobile communications space > ------------------------------------------------ Automobiles and > vehicles of all types are increasingly connected to the Internet. > Entertainment apps enhancing comfort, reliable data exchanges for > road safety, and automated driving, are commonly seen as > > Editorial: s/automated driving, are/automated driving are/ > > > > winning sale 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. > > I think that the "winning sales arguments" is not needed here. > Instead, I think it > > would be valuable to say that these features are coming, and that > the safety > > features are expected to become required. > > */[RR>] Many of the apps to which you allude do not require IPv6 > networking. If you feel the need to provide use cases, make sure > they require IPv6 networking in a mobile context./* I will try to do that. I would like you - if possible - to suggest other use case which requires IPv6 networking in a mobile context? Thanks. Let me explain the reasoning in the paragraph above by listing a few key items for IPv6 networking in V2V and V2I, pick one: I experienced the need for IP between cells of vehicles moving together. The need was there urgent: the programmer in the back car had absolutely to flush the data in the middle car and the LTE connection was down. If no flush then risk of accident. The computer that flushes is windows with TCP IP on WiFi. The computer to be flushed is a linux variant on a CAN network. The only way to have that flush work is to network the two computers IP networked together. There is no standard in vehicular communications which requires IPv4. If ever IP is mentioned it is IPv6. The example C-ACC use case is typical illustration of a direct vehicle-to-vehicle communication of data (as opposed to entertainment apps which are Vehicle-to-Internet, and 'radar' communication which is bouncing signals not data). A C-ACC standard currently under definition by ETSI is using CAM and DENM messages. The CAM and DENM messages are understood by some at the link-layer and by others at the application-layer. If they are application-layer, then there is a need of a networking layer. The only networking layer is IPv6. Vehicles connected to the Internet can only use IPv6 as networking layer. If we want V2V and V2I to make a V2V2I the only possibility again is to use IPv6 as the networking layer. If we dont use IPv6 as the networking layer in V2V and V2I then we risk end up with incompatibilities, seggregation in the deployed vehicles. This is what happened with WAP in the mobile phone world until IP arrived. This is what happens these days with consumer electronics standards which include more and more IP technology as a networking layer after initial deployments of specific apps without networking layers. > Why IP? ------- Whereas the Vehicle-to-Internet technologies are > considered completed and deployed in automobiles currently on the > roads (e.g. car tethering through driver's cellular smartphone, live > traffic data displayed on the dashboard, - use of NAT/DHCP and > potentially Mobile IP), the Vehicle-to-Vehicle and > Vehicle-to-Infrastructure communications are still in an infancy > stage: primitive link-specific data exchanges are limited to a > non-harmonized set of applications, such as ETSI's CAM/DENM presence > signalling; > > */[RR>] Using the term non-harmonized here is not only incorrect, > but inflammatory. Please remove such ill-advised terminology from > the draft./* Ok sorry if offense. > > worse, some link-specific messages exhibit behaviour assimilated to > IP behaviour > > */[RR>] Not sure what the point is here. Messages don't have > "behaviors", they have information content./* Ok. > > but the systems are incompatible with the Internet without involving > specific gatewaying. > > */[RR>] Gateway functionality is above the transport layer, and > hence out of scope of this effort. /* Ok, removed it for clarification. I agree with you. I think I meant routing. > The industry needs to employ IP data exchanges between vehicles, and > between vehicles and the immediate infrastructure, rather than > link-specific exchanges, in order to benefit from advantages such as > (1) short delays, (2) fast forwarding through short paths of dumb > routers (2) ease of reusing of a huge number of a desktop Internet > applications in a vehicular environment (extend the Internet to > mobile platforms). > > */[RR>] This list is contradictory and the "necessity of employing" > is not obvious. If you want fast forwarding, you don't do IP, you > do MAC bridging at the data link layer where possible. It sounds intuitive, but measuring it may surprise: Apps running directly on link layer vs on a networking layer are not necessarily faster. The round-trip time of 1280-byte packets on 802.11p is sensibly the same whether or not the 40bytes of the IPv6 header is used. The compute parts of an IP layer does not introduce much delay compared to the compute parts of the Ethernet link layer. The comparison of the compute-intensive parts in the two layers are the following: - the CRC is optional in IP but mandatory in Ethernet. - the table lookup is longest-match in IP (faster in simpler 1-hop topologies employing default routes) and exact-match in Ethernet (always same cost regardless topology size and complexity). > If you want short delays, make the packets smaller and the > processing overhead minimal, both of which argue AGAINST IPv6 > networking protocols. I should have been clearer: Using IPv6 as networking layer in a string of vehicles allows for fast and deterministic communications between the frontmost and rearmost vehicle regardless the size of the string - it scales. Only with an 802.11p link layer (no IP) that string is bound to a small size of a few hundred meters, and additional propagation delays due to radio propagation uncertainties - it doesnt scale. > The advantage of IPv6 pure and simple is that using that particular > networking protocol, most of the rest of the world can be reached! > There is little debate on this point, and it is sufficient to > justify pursuing this work. Why not leave it at that?? /* I agree Richard. > I think this paragraph take too long to get to the main point, which > is > > why IP is a goog thing in this environment. I suggest: > > Today, there are several deployed Vehicle-to-Internet technologies, > > including car tethering through driver's cellular smartphone. > However, > > Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are > still > > being developed. To avoid link-specific data exchanges, and enable > > independent application sets to share the same links, IP data > exchanges > > are needed. Enabling IP communication between vehicles (V2V), and > > between vehicles and the immediate infrastructure (V2I), will > provide > > (1) short delays, (2) fast forwarding through short paths of > routers, > > (3) ease of reuse of existing Internet applications in a vehicular > > environment. > > */[RR>] I would avoid any discussion of link-specific data exchanges > because they are being mandated, and they have no bearing on this > work. I'd simply state the obvious advantage of being able to > leverage off the already deployed Internet and leave it at that./* Improved the text. > > > > > Moving network to moving network communications involve link layers > > Add "nearby" here. I think it is important to the scope. > > > > such as: 802.11 OCB, 802.15.4 with 6lowpan, 802.11ac, VLC (Visible > Light Communications), IrDA, LTE-D. Only the IP protocols are > capable > > s/802.11 OCB/802.11p OCB (Outside the Context of a BSS)/ > >> of running on each of these links and establish IP paths across >> them in an interoperable manner. >> >> */[RR>] Fair enough ... see comment above. Clearly there is no >> need to focus on the data link and physical layers, other than to >> state the obvious that if a particular MAC&PHY doesn't support the >> requisite MTU sizes (e.g. 802.15.4), then some accommodations >> (e.g. 6LoWPAN) will have to be made if possible. Noe of that >> should affect the work of this group if I understand the goals >> correctly. /* >> >> >> >> Scenarios? ---------- There are a few scenarios exhibiting the >> need to communicate from one moving network to another nearby >> moving network. >> >> In the automobile space, the Cooperative Adaptive Cruise Control >> and Platooning features consider that vehicles close to each other >> exchange data describing their kinematic status. At the >> cross-roads, the moving network inside a vehicle exchanges data >> with the moving network in the red-light pole. >> >> Several public safety scenarios involve moving networks. Distinct >> organizations deploy different moving networks (in-vehicle, >> on-person) at an incident scene. These networks need to >> interoperate in order to more effectively understand and deal with >> the incident scene. >> >> In connected rail scenarios the moving network deployed in trains >> communicate with other moving networks at the cross-points. >> >> */[RR>] The issue of trains and subnets thereon is tricky and the >> topic of several investigations ongoing in Europe (including ETSI >> TC RT and ITS (RT-JTFIR)). We may want to steer clear of such use >> cases for the time being until the dust settles./* There is a person from a router manufacturer who expressed high interest in the technology for rails. We may get a presentation in Buenos Aires to help clarify. >> >> >> >> What kind of solutions? ----------------------- The current >> technical solutions considered to achieve moving network to moving >> network communications are of two kinds: IP routing >> > Add "nearby" here. I think it is important to the scope. > > > > protocols for n-hop path management and 1-hop link-scoped IP protocol > enhancements. The 1-hop link-scoped protocols include the protocols > for route establishment involving ICMP Router Advertisements. The > n-hop path management protocols include n-hop path establishment > protocols (e.g. Babel, OSPF) and n-hop path search protocols (most > notably AODV and derivates). > > */[RR>] Are these protocol modfications/additions, or simply > profiles on existing protocols? I suspect it's the later, but you > are the experts:^))/* It's improving a protocol if possible (tweak its timers, extend some header) or otherwise make a new one. I am not sure about profiling protocols. I need to understand better this term profiling. > My understanding from the phone call was that we were going to focus > on the 1-hop > > protocols in this proposed working group, but leverage work from > other groups for the > > n-hop situation. > > I think we need to say something here about the duration of some of > the communications. > > a vehicle traveling at 80 Km/h is not going to have communications > with a roadside > > device for very long. > > > > > What kind of requirements? -------------------------- The > requirements for mechanisms for moving network to moving network > > Add "nearby" here. I think it is important to the scope. > > > > communications are focusing on low delays of the data paths, reduced > number of messages for path establishment, application friendly, > resilience to attacks, compatibility with DHCP and Mobile IP. > > In addition, some moving network to moving network applications > > Add "nearby" here. I think it is important to the scope. > > */[RR>] ITS communication security is being addressed in various > venues (most notably IEEE 1609 and ETSI TC ITS). We should be > careful not to reinvent the wheel. For example, while there is no > theoretical problem using IPsec, to secure IPv6 management messages > as well as data exchanges at the network layer, you might find using > 1609.2 security functions work just as well if not better, and such > mechanisms are/will be mandated in all "vehicles", so why not use > them./* YEs, I agree. We need to reuse from 1609, ETSI TC ITS and others. When studying some of them we may realize some may come from IETF (the cert parts is an example). We need to identify the right source of reuse. > involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the > 1-hop IP moving network to moving netowrk mechanisms will need to > gracefully support IP multicast. > > Due to the inherent characteristics of safety-related communications, > all new moving network to moving network 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). > > */[RR>] All this has been and continues to be addressed in other > venues. The solutions derived there are being / will be mandated by > regulators. We should carefully follow and contribute to those > efforts here appropriate, but otherwise not try to build a separate > sand castle! /* I agree. We will strive to synchronize with regulators. > Establishing 1-hop IP V2V paths must not break the existing on-board > protocols and applications which communicate with the Internet, > possibly via multiple radios. > > */[RR>] Not sure why this is a concern. It's technical: in a car the Mobile Router can only have one default route. Many V2I trials have that default route used by Mobile IP these days (forward everything to the HA). If we come up with a new technique for more direct V2V and V2I communications we must make sure we dont disturb that Mobile IP part. It's a typical multihoming problem. > 1-hop V2V doesn't require and in many cases does not use ANY > networking at all (cf. FNTP, WSMP, HSMP, NNTP, whatever name you want > to give the null-networking protocol whcih has been standardized in > IEEE and ISO (cf. IEEE 1609.3, ISO 16460, ISO 29281-1, etc.)./* What hop do you think about? I think about IP hop. Should I call it 1-IP-hop V2V? > In a moving network deployed in an automobile, typically one exit > point connects the moving network to other moving networks. However, > in a more general manner (and to support reliability) any new > mechanism of moving network to moving network communications should > support multi-homing: one router to use multiple interfaces towards > outside the moving network, or multiple routers. > > Current version of Internet protocols > ------------------------------------- The version of the IP protocol > is IPv6 (witness 10% IPv6 penetration as of early 2016, mobile > operators evolving to IPv6-only, government IPv6 push, IPv4 exhaust > at RIRs); this acommodates the current generation of Internet > protocols. For backwards compatibility, IPv4 may be considered as > well, but not exclusively. Link-local IPv6 addresses will be used. > > This it too long. Just say that the groups will only work on IPv6 > solutions. > > */[RR>] Yes. Simpler is better!/* Thanks, I agree. Modified accordingly. Alex > > > > > What SDOs may need this work? ----------------------------- The > requirements and standards for moving network to moving network > communications, often involving IPv6, and novel V2V and V2Infra > concepts, are developed mainly at ISO TC204 "Intelligent Transport > Systems", 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, as well as OCB > mode of IEEE 802.11. 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-cases for moving network to moving > network communications - Problem Statement for moving network to > moving network communications - Security and Privacy Requirements > for moving network to moving network communications - Problem > Statement for moving network to infrastructure network > communications, including DNS - Potentially new protocol, or protocol > extensions for establishing IP paths for 1-hop moving network to > moving network communications. With MIB and security. - IPv6-over > foo, where foo is pertinent for moving network to moving network > communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) > > */[RR>] The real issue is using IPv6 networking to connect mobile > LAN subnets ... the data link and physical layer technology is NOT > directly relevant. Simpler is better!/* > > > > Timeline -------- - > > _______________________________________________ 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 From nobody Fri Feb 19 10:29:08 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 78FA01B2A9C for ; Fri, 19 Feb 2016 10:29:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.982 X-Spam-Level: X-Spam-Status: No, score=-4.982 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jbOjJuJlB8Y7 for ; Fri, 19 Feb 2016 10:29:03 -0800 (PST) Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4D54D1ABC10 for ; Fri, 19 Feb 2016 10:29:02 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1JIT0Qg004968 for ; Fri, 19 Feb 2016 19:29:00 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 8F9162087B6 for ; Fri, 19 Feb 2016 19:29:01 +0100 (CET) Received: from muguet1.intra.cea.fr (muguet1.intra.cea.fr [132.166.192.6]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 81F0A2086B5 for ; Fri, 19 Feb 2016 19:29:01 +0100 (CET) Received: from [132.166.84.68] ([132.166.84.68]) by muguet1.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1JISx5Q005710 for ; Fri, 19 Feb 2016 19:28:59 +0100 To: "its@ietf.org" From: Alexandre Petrescu Message-ID: <56C75EEA.6010506@gmail.com> Date: Fri, 19 Feb 2016 19:28:58 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------030804010105050109030804" Archived-At: Subject: [its] Updated charter (small correction) X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2016 18:29:06 -0000 This is a multi-part message in MIME format. --------------030804010105050109030804 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Updated charter to refer to in the BoF request. Alex --------------------------------------------------------------- ITS (name to change) Charter February 19th, 2016 http://ietf.org/mailman/listinfo/its Intelligent Transportation Systems (its) ---------------------------------------- Current Status: WG forming Chairs: TBD Assigned Area Director: TBD Mailing list Address: its@ietf.org To Subscribe: https://www.ietf.org/mailman/listinfo/its Archive: http://www.ietf.org/mail-archive/web/its/current/maillist.html Additional web page TBD Charter: Goal ---- The goal of this group is to standardize IP protocols for establishing direct and secure connectivity between moving networks. Moving Network to Nearby Moving Network Communications ------------------------------------------------------ The group is concerned with all situations involving moving network to nearby moving network communications. For example: vehicle-to-vehicle communications, nomadic user wearing a PAN and communicating to a homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a train, or train-to-intersection signalling. Example from the automobile communications space ------------------------------------------------ Automobiles and vehicles of all types are increasingly connected to the Internet. Entertainment apps enhancing comfort, reliable data exchanges for road safety, and automated driving are features coming in automobiles to hit the roads from now to year 2020. Highlighting increased safety as an immediate result of hyper-connectivity applied to vehicles, public authorities worldwide are increasingly mandating communication technology requirements in vehicles. Emergency apps for new instrumented ambulances carry many benefits both to the users and to society in general. Why IP? ------- Today, there are several deployed Vehicle-to-Internet technologies, including car tethering through driver's cellular smartphone. However, Vehicle-to-Vehicle and Vehicle-to-Infrastructure communications are still being developed. To improve on a situation of link-specific data exchanges, and enable independent application sets to share the same links, IP data exchanges are needed. Enabling IP communication between vehicles (V2V), and between vehicles and the immediate infrastructure (V2I), will provide (0) ability to reach the rest of the world on the Internet (1) short and deterministic delays, (2) fast forwarding through scalable paths of routers, (3) ease of reuse of existing Internet applications in a vehicular environment. Moving network to nearby moving network communications involve link layers such as: 802.11p OCB (Outside the Context of a Basic Service Set), 802.15.4 with 6lowpan, 802.11ac, VLC (Visible Light Communications), IrDA, LTE-D. Only the IP protocols are capable of running on each of these links and establish IP paths across them in an interoperable manner. Scenarios? ---------- There are a few scenarios exhibiting the need to communicate from one moving network to another nearby moving network. In the automobile space, the Cooperative Adaptive Cruise Control and Platooning features consider that vehicles close to each other exchange data describing their kinematic status. At the cross-roads, the moving network inside a vehicle exchanges data with the moving network in the red-light pole. Several public safety scenarios involve moving networks. Distinct organizations deploy different moving networks (in-vehicle, on-person) at an incident scene. These networks need to interoperate in order to more effectively understand and deal with the incident scene. In connected rail scenarios the moving network deployed in trains communicate with other moving networks at the cross-points. What kind of solutions? ----------------------- The current technical solutions considered to achieve moving network to nearby moving network communications are of two kinds: IP routing protocols for n-hop path management and 1-hop link-scoped IP protocol enhancements. The 1-hop link-scoped protocols include the protocols for route establishment involving ICMP Router Advertisements. The n-hop path management protocols include n-hop path establishment protocols (e.g. Babel, OSPF) and n-hop path search protocols (most notably AODV and derivates). In this proposed Working Group the focus is on 1-hop protocols, and leverage from other Working Groups for the n-hop situations. In some of the moving network applications the window of opportunity for exchanging data with the immediate infrastructure may be very short. For example, a car driving near a road-side unit may have only 5s to exchange with that RSU (depending on speed, RSU range and number). (ephemeral connections). What kind of requirements? -------------------------- The requirements for mechanisms for moving network to nearby moving network communications are focusing on low delays of the data paths, reduced number of messages for path establishment, application friendly, resilience to attacks, compatibility with DHCP and Mobile IP. In addition, some moving network to nearby moving network applications involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the 1-hop IP moving network to nearby moving netowrk mechanisms will need to gracefully support IP multicast. Due to the inherent characteristics of safety-related communications, all new moving network to nearby moving network 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 Internet, possibly via multiple radios. In a moving network deployed in an automobile, typically one exit point connects the moving network to other moving networks. However, in a more general manner (and to support reliability) any new mechanism of moving network to nearby moving network communications should support multi-homing: one router to use multiple interfaces towards outside the moving network, or multiple routers. Current version of Internet protocols ------------------------------------- The group will only work on IPv6 solutions. What SDOs may need this work? ----------------------------- The requirements and standards for moving network to nearby moving network communications, often involving IPv6, and novel V2V and V2Infra concepts, are developed mainly at ISO TC204 "Intelligent Transport Systems", 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, as well as OCB mode of IEEE 802.11. 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-cases for moving network to nearby moving network communications - Problem Statement for moving network to nearby moving network communications - Security and Privacy Requirements for moving network to nearby moving network communications - Problem Statement for moving network to infrastructure network communications, including DNS - Potentially new protocol, or protocol extensions for establishing IP paths for 1-hop moving network to nearby moving network communications. With MIB and security. - IPv6-over foo, where foo is pertinent for moving network to nearby moving network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad) Timeline -------- - --------------030804010105050109030804 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Updated charter to refer to in the BoF request.

Alex


---------------------------------------------------------------
             ITS (name to change)
                   Charter
             February 19th, 2016
         http://ietf.org/mailman/listinfo/its


Intelligent Transportation Systems (its)
----------------------------------------
Current Status: WG forming

Chairs:
   TBD

Assigned Area Director:
   TBD

Mailing list
   Address: its@ietf.org
   To Subscribe: https://www.ietf.org/mailman/listinfo/its
   Archive:
   http://www.ietf.org/mail-archive/web/its/current/maillist.html

Additional web page
   TBD

Charter:

Goal
----
The goal of this group is to standardize IP protocols for establishing
direct and secure connectivity between moving networks.

Moving Network to Nearby Moving Network Communications
------------------------------------------------------
The group is concerned with all situations involving moving network to
nearby moving network communications.  For example: vehicle-to-vehicle
communications, nomadic user wearing a PAN and communicating to a
homenet, vehicle-to-infrastructure communications, wagon-to-wagon in a
train, or train-to-intersection signalling.

Example from the automobile communications space
------------------------------------------------
Automobiles and vehicles of all types are increasingly connected to
the Internet.  Entertainment apps enhancing comfort, reliable data
exchanges for road safety, and automated driving are features coming
in automobiles to hit the roads from now to year 2020.  Highlighting
increased safety as an immediate result of hyper-connectivity applied
to vehicles, public authorities worldwide are increasingly mandating
communication technology requirements in vehicles.

Emergency apps for new instrumented ambulances carry many benefits
both to the users and to society in general.

Why IP?
-------
Today, there are several deployed Vehicle-to-Internet technologies,
including car tethering through driver's cellular smartphone.
However, Vehicle-to-Vehicle and Vehicle-to-Infrastructure
communications are still being developed.  To improve on a situation
of link-specific data exchanges, and enable independent application
sets to share the same links, IP data exchanges are needed.  Enabling
IP communication between vehicles (V2V), and between vehicles and the
immediate infrastructure (V2I), will provide (0) ability to reach the
rest of the world on the Internet (1) short and deterministic delays,
(2) fast forwarding through scalable paths of routers, (3) ease of
reuse of existing Internet applications in a vehicular environment.

Moving network to nearby moving network communications involve link
layers such as: 802.11p OCB (Outside the Context of a Basic Service
Set), 802.15.4 with 6lowpan, 802.11ac, VLC (Visible Light
Communications), IrDA, LTE-D.  Only the IP protocols are capable of
running on each of these links and establish IP paths across them in
an interoperable manner.

Scenarios?
----------
There are a few scenarios exhibiting the need to communicate from one
moving network to another nearby moving network.

In the automobile space, the Cooperative Adaptive Cruise Control and
Platooning features consider that vehicles close to each other
exchange data describing their kinematic status.  At the cross-roads,
the moving network inside a vehicle exchanges data with the moving
network in the red-light pole.

Several public safety scenarios involve moving networks.  Distinct
organizations deploy different moving networks (in-vehicle, on-person)
at an incident scene.  These networks need to interoperate in order to
more effectively understand and deal with the incident scene.

In connected rail scenarios the moving network deployed in trains
communicate with other moving networks at the cross-points.

What kind of solutions?
-----------------------
The current technical solutions considered to achieve moving network
to nearby moving network communications are of two kinds: IP routing
protocols for n-hop path management and 1-hop link-scoped IP protocol
enhancements.  The 1-hop link-scoped protocols include the protocols
for route establishment involving ICMP Router Advertisements.  The
n-hop path management protocols include n-hop path establishment
protocols (e.g. Babel, OSPF) and n-hop path search protocols (most
notably AODV and derivates).

In this proposed Working Group the focus is on 1-hop protocols, and
leverage from other Working Groups for the n-hop situations.

In some of the moving network applications the window of opportunity
for exchanging data with the immediate infrastructure may be very
short.  For example, a car driving near a road-side unit may have only
5s to exchange with that RSU (depending on speed, RSU range and
number). (ephemeral connections).

What kind of requirements?
--------------------------
The requirements for mechanisms for moving network to nearby moving
network communications are focusing on low delays of the data paths,
reduced number of messages for path establishment, application
friendly, resilience to attacks, compatibility with DHCP and Mobile
IP.

In addition, some moving network to nearby moving network applications
involve IP multicast mechanisms (e.g. virtual siren); thus C-ACC the
1-hop IP moving network to nearby moving netowrk mechanisms will need
to gracefully support IP multicast.

Due to the inherent characteristics of safety-related communications,
all new moving network to nearby moving network 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 Internet,
possibly via multiple radios.

In a moving network deployed in an automobile, typically one exit
point connects the moving network to other moving networks.  However,
in a more general manner (and to support reliability) any new
mechanism of moving network to nearby moving network communications
should support multi-homing: one router to use multiple interfaces
towards outside the moving network, or multiple routers.

Current version of Internet protocols
-------------------------------------
The group will only work on IPv6 solutions.

What SDOs may need this work?
-----------------------------
The requirements and standards for moving network to nearby moving
network communications, often involving IPv6, and novel V2V and
V2Infra concepts, are developed mainly at ISO TC204 "Intelligent
Transport Systems", 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,
as well as OCB mode of IEEE 802.11.  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-cases for moving network to nearby moving network communications
- Problem Statement for moving network to nearby moving network communications
- Security and Privacy Requirements for moving network to
  nearby moving network communications
- Problem Statement for moving network to infrastructure network
  communications, including DNS
- Potentially new protocol, or protocol extensions for establishing IP
  paths for 1-hop moving network to nearby moving network communications.
  With MIB and security.
- IPv6-over foo, where foo is pertinent for moving network to nearby
  moving network communications (e.g. 802.11 OCB, VLC, LTE-D, 802.11ad)

Timeline
--------
-

--------------030804010105050109030804-- From nobody Sat Feb 20 05:12:15 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4DD121A897B for ; Sat, 20 Feb 2016 05:12:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.982 X-Spam-Level: X-Spam-Status: No, score=-4.982 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_HI=-5, SPF_SOFTFAIL=0.665] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SUAg26dkYPJW for ; Sat, 20 Feb 2016 05:12:13 -0800 (PST) Received: from oxalide-out.extra.cea.fr (oxalide-out.extra.cea.fr [132.168.224.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A9C591A8724 for ; Sat, 20 Feb 2016 05:12:12 -0800 (PST) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by oxalide.extra.cea.fr (8.15.2/8.15.2/CEAnet-Internet-out-2.4) with ESMTP id u1KDCASj004170 for ; Sat, 20 Feb 2016 14:12:10 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 90C20200C90 for ; Sat, 20 Feb 2016 14:12:12 +0100 (CET) Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 38B152035E1 for ; Sat, 20 Feb 2016 14:12:03 +0100 (CET) Received: from [132.166.84.6] ([132.166.84.6]) by muguet2.intra.cea.fr (8.15.2/8.15.2/CEAnet-Intranet-out-1.4) with ESMTP id u1KDC08c005964 for ; Sat, 20 Feb 2016 14:12:00 +0100 From: Alexandre Petrescu To: "its@ietf.org" Message-ID: <56C86620.7010403@gmail.com> Date: Sat, 20 Feb 2016 14:12:00 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="------------040506000402020606030302" Archived-At: Subject: [its] BoF request filed X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Feb 2016 13:12:14 -0000 This is a multi-part message in MIME format. --------------040506000402020606030302 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hello, We have successfully filed the BoF request right before the deadline. We have received much help at the last minute from several people. Let's cross fingers. Response expected in one week time. You can follow it live on the following wiki, search "Intelligent": http://trac.tools.ietf.org/bof/trac/ Alex --------------040506000402020606030302 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Hello,

We have successfully filed the BoF request right before the deadline.  We have received much help at the last minute from several people.

Let's cross fingers.  Response expected in one week time.

You can follow it live on the following wiki, search "Intelligent":
http://trac.tools.ietf.org/bof/trac/

Alex
--------------040506000402020606030302-- From nobody Wed Feb 24 03:52:32 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B1E5C1A90E7 for ; Wed, 24 Feb 2016 03:52:31 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1VUy5xi22SYr for ; Wed, 24 Feb 2016 03:52:27 -0800 (PST) Received: from mail-yw0-x22c.google.com (mail-yw0-x22c.google.com [IPv6:2607:f8b0:4002:c05::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B17251A90DC for ; Wed, 24 Feb 2016 03:52:27 -0800 (PST) Received: by mail-yw0-x22c.google.com with SMTP id u200so12855365ywf.0 for ; Wed, 24 Feb 2016 03:52:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=aq+VIaQ7J6p6iHWRyIP68EOYof3Gi4pyhEBX/iXw/gI=; b=QzFrz5syLYhnu3TUls64ifkeUzDqHwYXOAvTKGvW4vlO1YN0brZqxhK0OEmH9p8i0t eFuai5uO4MWAPcdTnjatmlNp+NKF234sFxq+qcIB2NeaSfSVgmkdrydlDEyFmSScfcW0 9q0eR5CNJff5cA2c8ONT292fwRo0cos2P0iqYe0TBcrT1NraJ7dY4IDQe9K1KtF124YF C89SE72Tz5p0aP/+YxS6/Wirqm13N0vSXGi5BTypZUDur9y2bt6JolWrm1SVpADrtUgz btjrRX3bQPSwJPIgtz6EITdzD3/N4zJUHew5krICQGGM6eU/97FCgyQqvylNZN/Yf98h xVCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=aq+VIaQ7J6p6iHWRyIP68EOYof3Gi4pyhEBX/iXw/gI=; b=enZVJp8WmXnZ86VQK6vMK0Q5grF7i8V3E7YAPhO3lPcU8CzymJqcpoyb9h++K1nACA ux8iGhFCaNY4NvdeQZ+VyPnItMIx/fKxXu5TzPpqrs1yUgakr6uKSoevJVZrJ1jX4TCr hglA78dqA3+IX1CVwCRydOi5+B1o8zOyuWq/jyiO7tXQjpfGXRSGnAs5gNtviG3m3GzQ a4Uu269B5oevyGab6MS53mB2TEb4Bp3uiwSVOUT/diVb9EY4O4IY8tpDI6kLaduc10um G/ylxjwHeiyrIIopFVTwnatUfhQywNatxKRwIW371BSMd6Hc4dG4t7bZfPA8ynvw8Ts3 zoDA== X-Gm-Message-State: AG10YOTmgQLNBNRbvH/oz+tsAfrwop2EPvWuzJzmteYfUR1t+LyCcH0KKooJI4hSxj3vqUX5kbxBgUPTiNxl6Q== X-Received: by 10.129.41.19 with SMTP id p19mr19167450ywp.341.1456314747041; Wed, 24 Feb 2016 03:52:27 -0800 (PST) MIME-Version: 1.0 Received: by 10.129.83.87 with HTTP; Wed, 24 Feb 2016 03:51:57 -0800 (PST) In-Reply-To: <56C465DB.8060305@gmail.com> References: <56C465DB.8060305@gmail.com> From: "Mr. Jaehoon Paul Jeong" Date: Wed, 24 Feb 2016 20:51:57 +0900 Message-ID: To: Alexandre Petrescu Content-Type: multipart/alternative; boundary=001a114081f62dbf06052c82b3cc Archived-At: Cc: "its@ietf.org" Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Feb 2016 11:52:31 -0000 --001a114081f62dbf06052c82b3cc Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Alex, Thanks for your valuable comments. I will address your comments on 01 version. Thanks. Best Regards, Paul On Wed, Feb 17, 2016 at 9:21 PM, Alexandre Petrescu < alexandre.petrescu@gmail.com> wrote: > Hello Paul, > > Thanks a lot for this draft. This V2I problem statement covers many > things we have discussed in Yokohama. > > What do the others think about this draft? > > I hame some comments, see below. > > Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a =C3=A9crit : > >> Hi ITS Colleagues, >> >> Title: Problem Statement for Vehicle-to-Infrastructure Networking >> I-D: draft-jeong-its-v2i-problem-statement-00 Link: >> https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 >> >> Abstract This document specifies the problem statement for >> IPv6-based vehicle- to-infrastructure networking. Dedicated >> Short-Range Communications (DSRC) is standardized as IEEE 802.11p for >> the wireless media access in vehicular networks. This document >> addresses the extension of IPv6 as the network layer protocol in >> vehicular networks and is focused on the networking issues in >> one-hop communication between a Road-Side Unit (RSU) and vehicle. >> The RSU is connected to the Internet and allows vehicles to have the >> Internet access if connected. The major issues of including IPv6 in >> vehicular networks are neighbor discovery protocol, stateless >> address autoconfiguration, and DNS configuration for the Internet >> connectivity over DSRC. Also, when the vehicle and the RSU have an >> internal network, respectively, the document discusses the issues of >> internetworking between the vehicle's internal network and the RSU's >> internal network. >> >> If you have comments or questions, please let me know. >> > > You can use the documentation prefixes 2001:db8:1000::/63 (instead of > real addresses like 2001:1000::/63). > > The term "RSU infra-node network" is something new and may need to be > present in the definitions section. > > If I understand you correctly, the RSU infra-node network is a network > of IP-addressable devices which are present in the Road-Side Unit - right= ? > > I am asking because I know some such RSUs on the market which contain > several IP-addressable devices linked together, but we dont have a name > for them. The "RSU infra-node network" sounds good, I think. > > For the term "mobile network" - we can rather use maybe > "moving network". > > In section 5 "Internetworking between the Vehicle and RSU networks": > >> Problems are a prefix discovery and prefix exchange. The prefix >> discovery is defined as how routers in a mobile network discover >> prefixes in the mobile network. The prefix exchange is defined as >> how the vehicle and the RSU exchange their prefixes with each other. >> > > I agree with the problem of prefix exchange. > > For the "prefix discovery", I have some doubts. > > First, the routers inside the moving network can be pre-configured with > the prefixes inside that moving network. If so, then there can be no > need for these routers to discover the prefixes inside the same moving > network. But, of course, if they are not preconfigured then they have > to be discovered somehow. > > Second, there is a need for one router (the mobile router?) in the > moving network to discover several parameters of a nearby moving > network, and also the parameters of a "RSU infra-node network". These > parameters, including the IP prefix of the other network, are listed in > draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem". It > would be good to use same terminology for this discovery. > > This section discusses IP addressing for V2I networking. There are >> two policies for IPv6 addressing in vehicular networks. The one >> policy is to use site-local IPv6 addresses for vehicular networks >> [RFC4291]. >> > > Since the site-local IPv6 addresses (fec0::) have been deprecated, it > would be appropriate to mention "Unique Local Addresses" (ULAs) which can > somehow play the role that seems to be needed here. I suggest to > substitute ULA for site-local addresses. > > The former approach is >> usually used by Mobile Ad Hoc Networks (MANET) for a separate multi- >> link subnet. >> > > MANET has a certain meaning at IETF: it's the WG MANET. I dont think > there is any MANET draft that recommends ULAs (but maybe they recommend > site-locals?). Maybe ask the MANET WG what is the MANET IP Addressing > Architecture (do they use ULAs? do they use GUA - globals?). If yes the= n > refer to MANET WG document here. > > > Sections 7 ND, 8 address autoconf, 9 DNS > > I agree with these sections 7, 8 and 9. > > 10. IP Mobility Support >> >> This section discusses an IP mobility support in V2I networking. In >> a single subnet per RSU, vehicles keep crossing the communication >> coverages of adjacent RSUs. During this crossing, TCP/UDP sessions >> can be maintained through IP mobility support, such as Mobile IPv6 >> [RFC6275]. Since vehicles move fast along roadways, this high speed >> should be configured for a parameter configuration in Mobile IPv6. >> >> To support the mobility of a vehicle's mobile network, Network >> Mobility (NEMO) protocol can be used [RFC3963]. Like Mobile IPv6, >> the high speed of vehicles should be considered for a parameter >> configuration in NEMO. >> > > I agree. > > I would like to add the following: > > 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to > the RSU infra-node a tunnel is established between the MR and its > Home Agent in the TCC (Traffic Control Center). If a node inside > the moving network (not the MR) needs to exchange data with a node > within the RSU infra-node network then that communication must > go through the Home Agent. The delays on the path to the HA may be > too high for the reactivity needed between a vehicle and an RSU, or > the path can even be blocked. For this reason it is necessary to > accommodate direct communications (skip the HA) between a node in > the moving network and a node in the RSU infra-node network. This > can be achieved only if the two networks learn each other's prefixes. > > 2. A new method of connecting the moving network directly to the RSU > infra-node network may lead to modifying the addressing architecture > in the moving network. This can become a problem to the use of > Mobile IP, because Mobile IP relies on the addressing architecture > controlled by the Home Agent. This problem should be solved as well. > > > In section 11 Security Considerations: > >> 11. Security Considerations >> >> The security is very important in vehicular networks for V2I >> networking. Only valid vehicles should be allowed to use V2I >> networking in vehicular networks. VIN and a user certificate can be >> used to authenticate a vehicle and the user. >> >> This document shares all the security issues of the neighbor >> discovery protocol. This document can get benefits from secure >> neighbor discovery (SEND) [RFC3971] >> > > Recent works in security for vehicular networks mention two additional > things that are worth considering: > > 1. the use of TLS certificates for vehicle communications > draft-lonc-tls-certieee1609-01 > > 2. privacy considerations: a new ETSI activity may consider privacy > aspects of identifier generation in vehicular communications. > > It is worth referring to these aspects (give references). > > Yours, > > Alex > > > > >> Thanks. >> >> Best Regards, 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 >> , pauljeong@skku.edu >> Personal Homepage: >> http://iotlab.skku.edu/people-jaehoon-jeong.php >> >> >> >> _______________________________________________ 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://iotlab.skku.edu/people-jaehoon-jeong.php --001a114081f62dbf06052c82b3cc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Alex,
Thanks for your valuable comments.
=
I will address your comments on 01 version.

Thanks.

Best Regards,
Paul

On Wed, Fe= b 17, 2016 at 9:21 PM, Alexandre Petrescu <alexandre.petrescu@g= mail.com> wrote:
Hello Pa= ul,

Thanks a lot for this draft.=C2=A0 This V2I problem statement covers many things we have discussed in Yokohama.

What do the others think about this draft?

I hame some comments, see below.

Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a =C3=A9crit :
Hi ITS Colleagues,

Title: Problem Statement for Vehicle-to-Infrastructure Networking
I-D: draft-jeong-its-v2i-problem-statement-00 Link:
https://tools.ietf.org/html/draf= t-jeong-its-v2i-problem-statement-00

Abstract This document specifies the problem statement for
IPv6-based vehicle- to-infrastructure networking.=C2=A0 Dedicated
Short-Range Communications (DSRC) is standardized as IEEE 802.11p for
the wireless media access in vehicular networks.=C2=A0 This document
addresses the extension of IPv6 as the network layer protocol in
vehicular networks and is focused on the networking issues in
one-hop communication between a Road-Side Unit (RSU) and vehicle.
The RSU is connected to the Internet and allows vehicles to have the
Internet access if connected.=C2=A0 The major issues of including IPv6 in vehicular networks are neighbor discovery protocol, stateless
address autoconfiguration, and DNS configuration for the Internet
connectivity over DSRC.=C2=A0 Also, when the vehicle and the RSU have an internal network, respectively, the document discusses the issues of
internetworking between the vehicle's internal network and the RSU'= s
internal network.

If you have comments or questions, please let me know.

You can use the documentation prefixes 2001:db8:1000::/63 (instead of
real addresses like 2001:1000::/63).

The term "RSU infra-node network" is something new and may need t= o be
present in the definitions section.

If I understand you correctly, the RSU infra-node network is a network
of IP-addressable devices which are present in the Road-Side Unit - right?<= br>
I am asking because I know some such RSUs on the market which contain
several IP-addressable devices linked together, but we dont have a name
for them.=C2=A0 The "RSU infra-node network" sounds good, I think= .

For the term "mobile network" - we can rather use maybe
"moving network".

In section 5 "Internetworking between the Vehicle and RSU networks&quo= t;:
Problems are a prefix discovery and prefix exchange.=C2=A0 The prefix
discovery is defined as how routers in a mobile network discover
prefixes in the mobile network.=C2=A0 The prefix exchange is defined as
how the vehicle and the RSU exchange their prefixes with each other.

I agree with the problem of prefix exchange.

For the "prefix discovery", I have some doubts.

First, the routers inside the moving network can be pre-configured with
the prefixes inside that moving network.=C2=A0 If so, then there can be no<= br> need for these routers to discover the prefixes inside the same moving
network.=C2=A0 But, of course, if they are not preconfigured then they have=
to be discovered somehow.

Second, there is a need for one router (the mobile router?) in the
moving network to discover several parameters of a nearby moving
network, and also the parameters of a "RSU infra-node network".= =C2=A0 These
parameters, including the IP prefix of the other network, are listed in
draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem"= .=C2=A0 It
would be good to use same terminology for this discovery.

This section discusses IP addressing for V2I networking.=C2=A0 There are two policies for IPv6 addressing in vehicular networks.=C2=A0 The one
policy is to use site-local IPv6 addresses for vehicular networks
[RFC4291].

Since the site-local IPv6 addresses (fec0::) have been deprecated, it would= be appropriate to mention "Unique Local Addresses" (ULAs) which = can somehow play the role that seems to be needed here.=C2=A0 I suggest to = substitute ULA for site-local addresses.

The former approach is
=C2=A0 =C2=A0usually used by Mobile Ad Hoc Networks (MANET) for a separate = multi-
=C2=A0 =C2=A0link subnet.

MANET has a certain meaning at IETF: it's the WG MANET.=C2=A0 I dont th= ink there is any MANET draft that recommends ULAs (but maybe they recommend= site-locals?).=C2=A0 Maybe ask the MANET WG what is the MANET IP Addressin= g Architecture (do they use ULAs?=C2=A0 do they use GUA - globals?).=C2=A0 = If yes then refer to MANET WG document here.

> Sections 7 ND, 8 address autoconf, 9 DNS

I agree with these sections 7, 8 and 9.

10.=C2=A0 IP Mobility Support

=C2=A0 =C2=A0This section discusses an IP mobility support in V2I networkin= g.=C2=A0 In
=C2=A0 =C2=A0a single subnet per RSU, vehicles keep crossing the communicat= ion
=C2=A0 =C2=A0coverages of adjacent RSUs.=C2=A0 During this crossing, TCP/UD= P sessions
=C2=A0 =C2=A0can be maintained through IP mobility support, such as Mobile = IPv6
=C2=A0 =C2=A0[RFC6275].=C2=A0 Since vehicles move fast along roadways, this= high speed
=C2=A0 =C2=A0should be configured for a parameter configuration in Mobile I= Pv6.

=C2=A0 =C2=A0To support the mobility of a vehicle's mobile network, Net= work
=C2=A0 =C2=A0Mobility (NEMO) protocol can be used [RFC3963].=C2=A0 Like Mob= ile IPv6,
=C2=A0 =C2=A0the high speed of vehicles should be considered for a paramete= r
=C2=A0 =C2=A0configuration in NEMO.

I agree.

I would like to add the following:

1. When Mobile IPv6/NEMO is used by the Mobile Router connected to
=C2=A0 =C2=A0the RSU infra-node a tunnel is established between the MR and = its
=C2=A0 =C2=A0Home Agent in the TCC (Traffic Control Center).=C2=A0 If a nod= e inside
=C2=A0 =C2=A0the moving network (not the MR) needs to exchange data with a = node
=C2=A0 =C2=A0within the RSU infra-node network then that communication must=
=C2=A0 =C2=A0go through the Home Agent.=C2=A0 The delays on the path to the= HA may be
=C2=A0 =C2=A0too high for the reactivity needed between a vehicle and an RS= U, or
=C2=A0 =C2=A0the path can even be blocked.=C2=A0 For this reason it is nece= ssary to
=C2=A0 =C2=A0accommodate direct communications (skip the HA) between a node= in
=C2=A0 =C2=A0the moving network and a node in the RSU infra-node network.= =C2=A0 This
=C2=A0 =C2=A0can be achieved only if the two networks learn each other'= s prefixes.

2. A new method of connecting the moving network directly to the RSU
=C2=A0 =C2=A0infra-node network may lead to modifying the addressing archit= ecture
=C2=A0 =C2=A0in the moving network.=C2=A0 This can become a problem to the = use of
=C2=A0 =C2=A0Mobile IP, because Mobile IP relies on the addressing architec= ture
=C2=A0 =C2=A0controlled by the Home Agent.=C2=A0 This problem should be sol= ved as well.


In section 11 Security Considerations:
11.=C2=A0 Security Considerations

=C2=A0 =C2=A0The security is very important in vehicular networks for V2I =C2=A0 =C2=A0networking.=C2=A0 Only valid vehicles should be allowed to use= V2I
=C2=A0 =C2=A0networking in vehicular networks.=C2=A0 VIN and a user certifi= cate can be
=C2=A0 =C2=A0used to authenticate a vehicle and the user.

=C2=A0 =C2=A0This document shares all the security issues of the neighbor =C2=A0 =C2=A0discovery protocol.=C2=A0 This document can get benefits from = secure
=C2=A0 =C2=A0neighbor discovery (SEND) [RFC3971]

Recent works in security for vehicular networks mention two additional thin= gs that are worth considering:

1. the use of TLS certificates for vehicle communications
=C2=A0 =C2=A0draft-lonc-tls-certieee1609-01

2. privacy considerations: a new ETSI activity may consider privacy
=C2=A0 =C2=A0aspects of identifier generation in vehicular communications.<= br>
It is worth referring to these aspects (give references).

Yours,

Alex




Thanks.

Best Regards, 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:jaeh= oon.paul@gmail.com>, pauljeong@skku.edu
<mailto:pauljeon= g@skku.edu> Personal Homepage:
http://iotlab.skku.edu/people-jaehoon-jeong.php <http://cpslab.skku.edu/people-jaehoon-jeong.php>


_______________________________________________ its mailing list
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--
=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 ProfessorDepartment of Software
Sungkyunkwan University
Office: +82-31-299-4= 957
Email: j= aehoon.paul@gmail.com,=C2=A0pauljeong@skku.edu<= br>Personal Homepage: http://iotlab.skku.edu/people-jaehoon-jeong.php
--001a114081f62dbf06052c82b3cc-- From nobody Wed Feb 24 03:58:25 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4563C1A916A for ; Wed, 24 Feb 2016 03:58:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kBvhJOI4WTo8 for ; Wed, 24 Feb 2016 03:58:16 -0800 (PST) Received: from mail-yk0-x22c.google.com (mail-yk0-x22c.google.com [IPv6:2607:f8b0:4002:c07::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 90CE01A9163 for ; Wed, 24 Feb 2016 03:58:16 -0800 (PST) Received: by mail-yk0-x22c.google.com with SMTP id z7so6541795yka.3 for ; Wed, 24 Feb 2016 03:58:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=x7J5Yf82huCELJL1LurWIwrlKK5z92rqEJYrAerXvpE=; b=sK0ZvbjvP2SvaMg1jvmBf3DLr8Ynt4bk+kazgyoJJsIjzhVHNKk87g7n/nHGZVhadG 6PvH4AOTm7DdnVhcS8d1+ZITxz5JRPcJDRyP/RMIkCcogZgkYFATpM52KL2e0JunkdtR Y47d1rS6FF+K9La3YlDw78SvcMCmIlngFblc1aCzyCFjqEN4ZmVhZaG7cgYL+StwXRyL a7EFDP6uVicjmN4I+TqXSgEauJMZ2Coy/kTmEPg6uU+pB90ssy3LCldiVNJUNcDhENPn GcPX9PIAIt/rmkbj9SSkunh+8mHUKJ9osHSd+fAz5FEK1qke4RHgX4NVIJm9tDLYMlxa 5BLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=x7J5Yf82huCELJL1LurWIwrlKK5z92rqEJYrAerXvpE=; b=Zaid/8jLfusbWa6o4nDtf9YrTQjgdNzxUP2AH0ola3j7H/SFzr1PMYtibG0vYf56tI b3jj/XykFErYWztFKABttC/KM2trjtsc4aZ7l1g7LmCzyMLuClF5D9akYaUG+tFWqG0E GhhPD2VQ/N+BIc406NYYaFjMHFcIuMPY/PbZGCiyYOcO10JrP9f/H+zdEREp4F2q6qKc d6ybvV0hbGHwvyc+kZhYMptAYywEtZQKhKwkffz/mW9FqWnee+d1jGqwmW9o47y4m9HU fkddxcAJAuU8G+hBE+9iU63opv16CGfmyP7xkjCVbYQqsiRKZfu5ExSK+0q55zL25aFo H8cA== X-Gm-Message-State: AG10YOR7AGJI9KGpFAFgMuL2Js/ovkeEgm+rz0r3FI5M//A+Sx3zmKIPmToY6FCmwV+bB9jD0ENFZxWOqwkXHQ== X-Received: by 10.37.64.198 with SMTP id n189mr19413357yba.124.1456315095827; Wed, 24 Feb 2016 03:58:15 -0800 (PST) MIME-Version: 1.0 Received: by 10.129.83.87 with HTTP; Wed, 24 Feb 2016 03:57:46 -0800 (PST) In-Reply-To: References: <56C465DB.8060305@gmail.com> From: "Mr. Jaehoon Paul Jeong" Date: Wed, 24 Feb 2016 20:57:46 +0900 Message-ID: To: dickroy@alum.mit.edu Content-Type: multipart/alternative; boundary=001a11c07046f7e920052c82c76c Archived-At: Cc: "Dr. Hans-Joachim Fischer" , Alexandre Petrescu , Thierry Ernst , knut.evensen@q-free.com, its@ietf.org Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Feb 2016 11:58:21 -0000 --001a11c07046f7e920052c82c76c Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Richard, I will check the IOS standards related to ITS, which are pointed by you. I agree with you that you need to use well-known terminology for our ITS work. For 802.11p, as I know, both industry and academia are considering it as Dedicated Short-Range Communications (DSRC) for vehicular networking. Thanks. Best Regards, Paul On Thu, Feb 18, 2016 at 6:24 AM, Richard Roy wrote: > Alex/Paul, > > I suspect much of what you are thinking needs standardization below has > already been standardized. You might want to check out ISO 21217 (ITS > station/communication architecture), followed by ISO 21210 (IPv6 networki= ng > for ITS). If nothing else, we already have terms for all of the > configurations you describe below (see ISO 21217). It would be best to > stick with this now well-known terminology. > > By the way, none of this depends on 802.11 5.9GHz in the data link and > physical layers. I continue to wonder why 802.11p ever comes up. It cou= ld > just as well be 5.4GHz BRAN, 2.4GHz ISM, IR, tin can and a string, or > whatever ... > > Cheers, > > RR > > > -----Original Message----- > > From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com] > > Sent: Wednesday, February 17, 2016 4:22 AM > > To: Mr. Jaehoon Paul Jeong > > Cc: its@ietf.org > > Subject: Re: [its] Comments for a New Draft of Problem Statement for V2= I > > Networking > > > > Hello Paul, > > > > Thanks a lot for this draft. This V2I problem statement covers many > > things we have discussed in Yokohama. > > > > What do the others think about this draft? > > > > I hame some comments, see below. > > > > Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a =C3=A9crit : > > > Hi ITS Colleagues, > > > > > > Title: Problem Statement for Vehicle-to-Infrastructure Networking > > > I-D: draft-jeong-its-v2i-problem-statement-00 Link: > > > https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 > > > > > > Abstract This document specifies the problem statement for > > > IPv6-based vehicle- to-infrastructure networking. Dedicated > > > Short-Range Communications (DSRC) is standardized as IEEE 802.11p for > > > the wireless media access in vehicular networks. This document > > > addresses the extension of IPv6 as the network layer protocol in > > > vehicular networks and is focused on the networking issues in > > > one-hop communication between a Road-Side Unit (RSU) and vehicle. > > > The RSU is connected to the Internet and allows vehicles to have the > > > Internet access if connected. The major issues of including IPv6 in > > > vehicular networks are neighbor discovery protocol, stateless > > > address autoconfiguration, and DNS configuration for the Internet > > > connectivity over DSRC. Also, when the vehicle and the RSU have an > > > internal network, respectively, the document discusses the issues of > > > internetworking between the vehicle's internal network and the RSU's > > > internal network. > > > > > > If you have comments or questions, please let me know. > > > > You can use the documentation prefixes 2001:db8:1000::/63 (instead of > > real addresses like 2001:1000::/63). > > > > The term "RSU infra-node network" is something new and may need to be > > present in the definitions section. > > > > If I understand you correctly, the RSU infra-node network is a network > > of IP-addressable devices which are present in the Road-Side Unit - > right? > > > > I am asking because I know some such RSUs on the market which contain > > several IP-addressable devices linked together, but we dont have a name > > for them. The "RSU infra-node network" sounds good, I think. > > > > For the term "mobile network" - we can rather use maybe > > "moving network". > > > > In section 5 "Internetworking between the Vehicle and RSU networks": > > > Problems are a prefix discovery and prefix exchange. The prefix > > > discovery is defined as how routers in a mobile network discover > > > prefixes in the mobile network. The prefix exchange is defined as > > > how the vehicle and the RSU exchange their prefixes with each other. > > > > I agree with the problem of prefix exchange. > > > > For the "prefix discovery", I have some doubts. > > > > First, the routers inside the moving network can be pre-configured with > > the prefixes inside that moving network. If so, then there can be no > > need for these routers to discover the prefixes inside the same moving > > network. But, of course, if they are not preconfigured then they have > > to be discovered somehow. > > > > Second, there is a need for one router (the mobile router?) in the > > moving network to discover several parameters of a nearby moving > > network, and also the parameters of a "RSU infra-node network". These > > parameters, including the IP prefix of the other network, are listed in > > draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem". It > > would be good to use same terminology for this discovery. > > > > > This section discusses IP addressing for V2I networking. There are > > > two policies for IPv6 addressing in vehicular networks. The one > > > policy is to use site-local IPv6 addresses for vehicular networks > > > [RFC4291]. > > > > Since the site-local IPv6 addresses (fec0::) have been deprecated, it > > would be appropriate to mention "Unique Local Addresses" (ULAs) which > > can somehow play the role that seems to be needed here. I suggest to > > substitute ULA for site-local addresses. > > > > > The former approach is > > > usually used by Mobile Ad Hoc Networks (MANET) for a separate mult= i- > > > link subnet. > > > > MANET has a certain meaning at IETF: it's the WG MANET. I dont think > > there is any MANET draft that recommends ULAs (but maybe they recommend > > site-locals?). Maybe ask the MANET WG what is the MANET IP Addressing > > Architecture (do they use ULAs? do they use GUA - globals?). If yes > > then refer to MANET WG document here. > > > > > Sections 7 ND, 8 address autoconf, 9 DNS > > > > I agree with these sections 7, 8 and 9. > > > > > 10. IP Mobility Support > > > > > > This section discusses an IP mobility support in V2I networking. = In > > > a single subnet per RSU, vehicles keep crossing the communication > > > coverages of adjacent RSUs. During this crossing, TCP/UDP session= s > > > can be maintained through IP mobility support, such as Mobile IPv6 > > > [RFC6275]. Since vehicles move fast along roadways, this high spe= ed > > > should be configured for a parameter configuration in Mobile IPv6. > > > > > > To support the mobility of a vehicle's mobile network, Network > > > Mobility (NEMO) protocol can be used [RFC3963]. Like Mobile IPv6, > > > the high speed of vehicles should be considered for a parameter > > > configuration in NEMO. > > > > I agree. > > > > I would like to add the following: > > > > 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to > > the RSU infra-node a tunnel is established between the MR and its > > Home Agent in the TCC (Traffic Control Center). If a node inside > > the moving network (not the MR) needs to exchange data with a node > > within the RSU infra-node network then that communication must > > go through the Home Agent. The delays on the path to the HA may be > > too high for the reactivity needed between a vehicle and an RSU, or > > the path can even be blocked. For this reason it is necessary to > > accommodate direct communications (skip the HA) between a node in > > the moving network and a node in the RSU infra-node network. This > > can be achieved only if the two networks learn each other's prefixe= s. > > > > 2. A new method of connecting the moving network directly to the RSU > > infra-node network may lead to modifying the addressing architectur= e > > in the moving network. This can become a problem to the use of > > Mobile IP, because Mobile IP relies on the addressing architecture > > controlled by the Home Agent. This problem should be solved as wel= l. > > > > > > In section 11 Security Considerations: > > > 11. Security Considerations > > > > > > The security is very important in vehicular networks for V2I > > > networking. Only valid vehicles should be allowed to use V2I > > > networking in vehicular networks. VIN and a user certificate can = be > > > used to authenticate a vehicle and the user. > > > > > > This document shares all the security issues of the neighbor > > > discovery protocol. This document can get benefits from secure > > > neighbor discovery (SEND) [RFC3971] > > > > Recent works in security for vehicular networks mention two additional > > things that are worth considering: > > > > 1. the use of TLS certificates for vehicle communications > > draft-lonc-tls-certieee1609-01 > > > > 2. privacy considerations: a new ETSI activity may consider privacy > > aspects of identifier generation in vehicular communications. > > > > It is worth referring to these aspects (give references). > > > > Yours, > > > > Alex > > > > > > > > > > > > Thanks. > > > > > > Best Regards, 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 > > > , pauljeong@skku.edu > > > Personal Homepage: > > > http://iotlab.skku.edu/people-jaehoon-jeong.php > > > > > > > > > > > > _______________________________________________ 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://iotlab.skku.edu/people-jaehoon-jeong.php --001a11c07046f7e920052c82c76c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Richard,
I will check the IOS standards related to = ITS, which are pointed by you.

I agree with you th= at you need to use well-known terminology for our ITS work.

<= /div>
For 802.11p, as I know, both industry and academia are considerin= g it as=C2=A0
Dedicated Short-Range Communications (DSRC) for veh= icular networking.=C2=A0

Thanks.

Best Regards,
Paul


On Thu, Feb 18, 2016 at 6:2= 4 AM, Richard Roy <dickroy@alum.mit.edu> wrote:
Alex/Paul,

I suspect much of what you are thinking needs standardization below has
already been standardized.=C2=A0 You might want to check out ISO 21217 (ITS=
station/communication architecture), followed by ISO 21210 (IPv6 networking=
for ITS).=C2=A0 If nothing else, we already have terms for all of the
configurations you describe below (see ISO 21217).=C2=A0 It would be best t= o
stick with this now well-known terminology.

By the way, none of this depends on 802.11 5.9GHz in the data link and
physical layers.=C2=A0 I continue to wonder why 802.11p ever comes up.=C2= =A0 It could
just as well be 5.4GHz BRAN, 2.4GHz ISM, IR, tin can and a string, or
whatever ...

Cheers,

RR

> -----Original Message-----
> From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com]
> Sent: Wednesday, February 17, 2016 4:22 AM
> To: Mr. Jaehoon Paul Jeong
> Cc: its@ietf.org
> Subject: Re: [its] Comments for a New Draft of Problem Statement for V= 2I
> Networking
>
> Hello Paul,
>
> Thanks a lot for this draft.=C2=A0 This V2I problem statement covers m= any
> things we have discussed in Yokohama.
>
> What do the others think about this draft?
>
> I hame some comments, see below.
>
> Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a =C3=A9crit :
> > Hi ITS Colleagues,
> >
> > Title: Problem Statement for Vehicle-to-Infrastructure Networking=
> > I-D: draft-jeong-its-v2i-problem-statement-00 Link:
> > https://tools.ietf.org= /html/draft-jeong-its-v2i-problem-statement-00
> >
> > Abstract This document specifies the problem statement for
> > IPv6-based vehicle- to-infrastructure networking.=C2=A0 Dedicated=
> > Short-Range Communications (DSRC) is standardized as IEEE 802.11p= for
> > the wireless media access in vehicular networks.=C2=A0 This docum= ent
> > addresses the extension of IPv6 as the network layer protocol in<= br> > > vehicular networks and is focused on the networking issues in
> > one-hop communication between a Road-Side Unit (RSU) and vehicle.=
> > The RSU is connected to the Internet and allows vehicles to have = the
> > Internet access if connected.=C2=A0 The major issues of including= IPv6 in
> > vehicular networks are neighbor discovery protocol, stateless
> > address autoconfiguration, and DNS configuration for the Internet=
> > connectivity over DSRC.=C2=A0 Also, when the vehicle and the RSU = have an
> > internal network, respectively, the document discusses the issues= of
> > internetworking between the vehicle's internal network and th= e RSU's
> > internal network.
> >
> > If you have comments or questions, please let me know.
>
> You can use the documentation prefixes 2001:db8:1000::/63 (instead of<= br> > real addresses like 2001:1000::/63).
>
> The term "RSU infra-node network" is something new and may n= eed to be
> present in the definitions section.
>
> If I understand you correctly, the RSU infra-node network is a network=
> of IP-addressable devices which are present in the Road-Side Unit - ri= ght?
>
> I am asking because I know some such RSUs on the market which contain<= br> > several IP-addressable devices linked together, but we dont have a nam= e
> for them.=C2=A0 The "RSU infra-node network" sounds good, I = think.
>
> For the term "mobile network" - we can rather use maybe
> "moving network".
>
> In section 5 "Internetworking between the Vehicle and RSU network= s":
> > Problems are a prefix discovery and prefix exchange.=C2=A0 The pr= efix
> > discovery is defined as how routers in a mobile network discover<= br> > > prefixes in the mobile network.=C2=A0 The prefix exchange is defi= ned as
> > how the vehicle and the RSU exchange their prefixes with each oth= er.
>
> I agree with the problem of prefix exchange.
>
> For the "prefix discovery", I have some doubts.
>
> First, the routers inside the moving network can be pre-configured wit= h
> the prefixes inside that moving network.=C2=A0 If so, then there can b= e no
> need for these routers to discover the prefixes inside the same moving=
> network.=C2=A0 But, of course, if they are not preconfigured then they= have
> to be discovered somehow.
>
> Second, there is a need for one router (the mobile router?) in the
> moving network to discover several parameters of a nearby moving
> network, and also the parameters of a "RSU infra-node network&quo= t;.=C2=A0 These
> parameters, including the IP prefix of the other network, are listed i= n
> draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem&= quot;.=C2=A0 It
> would be good to use same terminology for this discovery.
>
> > This section discusses IP addressing for V2I networking.=C2=A0 Th= ere are
> > two policies for IPv6 addressing in vehicular networks.=C2=A0 The= one
> > policy is to use site-local IPv6 addresses for vehicular networks=
> > [RFC4291].
>
> Since the site-local IPv6 addresses (fec0::) have been deprecated, it<= br> > would be appropriate to mention "Unique Local Addresses" (UL= As) which
> can somehow play the role that seems to be needed here.=C2=A0 I sugges= t to
> substitute ULA for site-local addresses.
>
> > The former approach is
> >=C2=A0 =C2=A0 usually used by Mobile Ad Hoc Networks (MANET) for a= separate multi-
> >=C2=A0 =C2=A0 link subnet.
>
> MANET has a certain meaning at IETF: it's the WG MANET.=C2=A0 I do= nt think
> there is any MANET draft that recommends ULAs (but maybe they recommen= d
> site-locals?).=C2=A0 Maybe ask the MANET WG what is the MANET IP Addre= ssing
> Architecture (do they use ULAs?=C2=A0 do they use GUA - globals?).=C2= =A0 If yes
> then refer to MANET WG document here.
>
>=C2=A0 > Sections 7 ND, 8 address autoconf, 9 DNS
>
> I agree with these sections 7, 8 and 9.
>
> > 10.=C2=A0 IP Mobility Support
> >
> >=C2=A0 =C2=A0 This section discusses an IP mobility support in V2I= networking.=C2=A0 In
> >=C2=A0 =C2=A0 a single subnet per RSU, vehicles keep crossing the = communication
> >=C2=A0 =C2=A0 coverages of adjacent RSUs.=C2=A0 During this crossi= ng, TCP/UDP sessions
> >=C2=A0 =C2=A0 can be maintained through IP mobility support, such = as Mobile IPv6
> >=C2=A0 =C2=A0 [RFC6275].=C2=A0 Since vehicles move fast along road= ways, this high speed
> >=C2=A0 =C2=A0 should be configured for a parameter configuration i= n Mobile IPv6.
> >
> >=C2=A0 =C2=A0 To support the mobility of a vehicle's mobile ne= twork, Network
> >=C2=A0 =C2=A0 Mobility (NEMO) protocol can be used [RFC3963].=C2= =A0 Like Mobile IPv6,
> >=C2=A0 =C2=A0 the high speed of vehicles should be considered for = a parameter
> >=C2=A0 =C2=A0 configuration in NEMO.
>
> I agree.
>
> I would like to add the following:
>
> 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to
>=C2=A0 =C2=A0 =C2=A0the RSU infra-node a tunnel is established between = the MR and its
>=C2=A0 =C2=A0 =C2=A0Home Agent in the TCC (Traffic Control Center).=C2= =A0 If a node inside
>=C2=A0 =C2=A0 =C2=A0the moving network (not the MR) needs to exchange d= ata with a node
>=C2=A0 =C2=A0 =C2=A0within the RSU infra-node network then that communi= cation must
>=C2=A0 =C2=A0 =C2=A0go through the Home Agent.=C2=A0 The delays on the = path to the HA may be
>=C2=A0 =C2=A0 =C2=A0too high for the reactivity needed between a vehicl= e and an RSU, or
>=C2=A0 =C2=A0 =C2=A0the path can even be blocked.=C2=A0 For this reason= it is necessary to
>=C2=A0 =C2=A0 =C2=A0accommodate direct communications (skip the HA) bet= ween a node in
>=C2=A0 =C2=A0 =C2=A0the moving network and a node in the RSU infra-node= network.=C2=A0 This
>=C2=A0 =C2=A0 =C2=A0can be achieved only if the two networks learn each= other's prefixes.
>
> 2. A new method of connecting the moving network directly to the RSU >=C2=A0 =C2=A0 =C2=A0infra-node network may lead to modifying the addres= sing architecture
>=C2=A0 =C2=A0 =C2=A0in the moving network.=C2=A0 This can become a prob= lem to the use of
>=C2=A0 =C2=A0 =C2=A0Mobile IP, because Mobile IP relies on the addressi= ng architecture
>=C2=A0 =C2=A0 =C2=A0controlled by the Home Agent.=C2=A0 This problem sh= ould be solved as well.
>
>
> In section 11 Security Considerations:
> > 11.=C2=A0 Security Considerations
> >
> >=C2=A0 =C2=A0 The security is very important in vehicular networks= for V2I
> >=C2=A0 =C2=A0 networking.=C2=A0 Only valid vehicles should be allo= wed to use V2I
> >=C2=A0 =C2=A0 networking in vehicular networks.=C2=A0 VIN and a us= er certificate can be
> >=C2=A0 =C2=A0 used to authenticate a vehicle and the user.
> >
> >=C2=A0 =C2=A0 This document shares all the security issues of the = neighbor
> >=C2=A0 =C2=A0 discovery protocol.=C2=A0 This document can get bene= fits from secure
> >=C2=A0 =C2=A0 neighbor discovery (SEND) [RFC3971]
>
> Recent works in security for vehicular networks mention two additional=
> things that are worth considering:
>
> 1. the use of TLS certificates for vehicle communications
>=C2=A0 =C2=A0 =C2=A0draft-lonc-tls-certieee1609-01
>
> 2. privacy considerations: a new ETSI activity may consider privacy >=C2=A0 =C2=A0 =C2=A0aspects of identifier generation in vehicular commu= nications.
>
> It is worth referring to these aspects (give references).
>
> Yours,
>
> Alex
>
>
>
> >
> > Thanks.
> >
> > Best Regards, 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 Sungkyunk= wan
> > University Office: +82-31-299-4957 Email: jaehoon.paul@gmail.com
> > <mailto:jaehoon.paul= @gmail.com>, pauljeong@skku.ed= u
> > <mailto:pauljeong@skku.e= du> Personal Homepage:
> > http://iotlab.skku.edu/people-jaehoon-jeo= ng.php
> > <http://cpslab.skku.edu/people-jaehoon-j= eong.php>
> >
> >
> > _______________________________________________ its mailing list<= br> > > its@ietf.org = https://www.ietf.org/mailman/listinfo/its
> >
>





--
=
=
=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 Pr= ofessor
Department of Software
Sungkyunkwan University
Office: +82= -31-299-4957
Email: jaehoon.paul@gmail.com,=C2=A0pauljeong@skku= .edu
Personal Homepage: http://iotlab.skku.edu/people-jaehoon-jeo= ng.php
--001a11c07046f7e920052c82c76c-- From nobody Wed Feb 24 04:02:17 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BD5F21A870F for ; Wed, 24 Feb 2016 04:02:14 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_PASS=-0.001] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vNS-JSR7x8oV for ; Wed, 24 Feb 2016 04:02:12 -0800 (PST) Received: from mail-yk0-x22e.google.com (mail-yk0-x22e.google.com [IPv6:2607:f8b0:4002:c07::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A1A411A6FCF for ; Wed, 24 Feb 2016 04:02:12 -0800 (PST) Received: by mail-yk0-x22e.google.com with SMTP id u9so6645815ykd.1 for ; Wed, 24 Feb 2016 04:02:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=ho6yTEEuFnkad139QyEBUXoGk+y8wVkYBTt2fEfPICs=; b=Q8GgteQZqBA2hEGeO24Fa8ZvojfZmrgx9fuanrGDFKVgnJHOzYaUQJYYJ5I63/mUPG 5giae8JO7o+EONBo5cv8FA4/70ha2J7NXLMvmsMrs2kmMGN3BvZSQFWAAk4o+SaP8JpV x665TvyiEKXYgbXKdE2zK4p3/SP/QAgBqN2hwN44pZWpstbBbpwjNqfsuNfmgp/1HMV4 OyJ+c2ZCYgKA/8pd/muZpsfOKJCyQ1EbOAqQCwsAW5+k28laOKu0rOkWALi1vkUn6TCT Y0nKPhncbp1Biv3KJheR5R7JXe7vje3bMdUOkOTsao3Ic4fs/K2vbmxCL9Y1ziKsyn3F wTbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=ho6yTEEuFnkad139QyEBUXoGk+y8wVkYBTt2fEfPICs=; b=Va69ZuVUPcCF5pXn32beLHsqX79nyLx8kV+JMxmhEjKjhsjxZUqCqbNstY/rGtHN5L YmuwjXqjgNoXfXBYDzsgMfFE1Nk4W+W+01IDZtN36E0wlz1v77QNNfJbNf9aTrB+1nSI A4ahCzGJUo5JaGI3TGxRnqmzNLzFCEAdzgBLTWpf+HWTABidwjaT/CBBF5sVCXr+vAhc pT+I7ojvCgBuM00zTeIqpE2NQ+hbDCqZjqYefy+I+brwN8311RmWORCVUU0oHDTDAuJ5 3hOIDScm6CmQvHFXfOfspwTWc+jRyxJhpuQHE9u1nabWM/vHJvHbbscZkT+WbFb+rXrS BraA== X-Gm-Message-State: AG10YOTheZEmoIaMg4+P7cRninv8xaw9aFljyeNU3NuX16gmOwVyUGgqIXKqtGs8HYyIZyOOjp3hb8fq1kI/sg== X-Received: by 10.37.20.195 with SMTP id 186mr20664213ybu.60.1456315331913; Wed, 24 Feb 2016 04:02:11 -0800 (PST) MIME-Version: 1.0 Received: by 10.129.83.87 with HTTP; Wed, 24 Feb 2016 04:01:42 -0800 (PST) In-Reply-To: <56C86620.7010403@gmail.com> References: <56C86620.7010403@gmail.com> From: "Mr. Jaehoon Paul Jeong" Date: Wed, 24 Feb 2016 21:01:42 +0900 Message-ID: To: Alexandre Petrescu Content-Type: multipart/alternative; boundary=001a113e79880a2f86052c82d6df Archived-At: Cc: "its@ietf.org" Subject: Re: [its] BoF request filed X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Feb 2016 12:02:14 -0000 --001a113e79880a2f86052c82d6df Content-Type: text/plain; charset=UTF-8 Alex, Thanks for your coordination for the ITS work. Best Regards, Paul On Sat, Feb 20, 2016 at 10:12 PM, Alexandre Petrescu < alexandre.petrescu@gmail.com> wrote: > Hello, > > We have successfully filed the BoF request right before the deadline. We > have received much help at the last minute from several people. > > Let's cross fingers. Response expected in one week time. > > You can follow it live on the following wiki, search "Intelligent": > http://trac.tools.ietf.org/bof/trac/ > > Alex > > _______________________________________________ > its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its > > -- =========================== 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://iotlab.skku.edu/people-jaehoon-jeong.php --001a113e79880a2f86052c82d6df Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Alex,
Thanks for your coordination for the ITS work.

Best Regards,
Paul

On Sat, Feb 20, 2016 at 10:= 12 PM, Alexandre Petrescu <alexandre.petrescu@gmail.com>= wrote:
=20 =20 =20
Hello,

We have successfully filed the BoF request right before the deadline.=C2=A0 We have received much help at the last minute from several people.

Let's cross fingers.=C2=A0 Response expected in one week time.
You can follow it live on the following wiki, search "Intelligent":
ht= tp://trac.tools.ietf.org/bof/trac/

Alex

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




--
=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 ProfessorDepartment of Software
Sungkyunkwan University
Office: +82-31-299-4= 957
Email: j= aehoon.paul@gmail.com,=C2=A0pauljeong@skku.edu<= br>Personal Homepage: http://iotlab.skku.edu/people-jaehoon-jeong.php
--001a113e79880a2f86052c82d6df-- From nobody Wed Feb 24 04:37:59 2016 Return-Path: X-Original-To: its@ietfa.amsl.com Delivered-To: its@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0E54B1ACEC7 for ; Wed, 24 Feb 2016 04:37:58 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.655 X-Spam-Level: X-Spam-Status: No, score=-0.655 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HELO_EQ_FR=0.35, HTML_MESSAGE=0.001, J_CHICKENPOX_41=0.6, MIME_8BIT_HEADER=0.3, RCVD_IN_DNSWL_NONE=-0.0001, RP_MATCHES_RCVD=-0.006] autolearn=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x2Mon1Aji24B for ; Wed, 24 Feb 2016 04:37:53 -0800 (PST) Received: from smtp2.eurecom.fr (smtp3.eurecom.fr [193.55.113.213]) by ietfa.amsl.com (Postfix) with ESMTP id 93EB41ACEC2 for ; Wed, 24 Feb 2016 04:37:52 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.22,493,1449529200"; d="scan'208,217";a="3259596" Received: from monza.eurecom.fr ([192.168.106.15]) by drago2i.eurecom.fr with ESMTP; 24 Feb 2016 13:37:51 +0100 Received: from xerus29 (xerus29.eurecom.fr [172.17.31.38]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by monza.eurecom.fr (Postfix) with ESMTPSA id 3FA90FEB; Wed, 24 Feb 2016 13:37:51 +0100 (CET) From: =?UTF-8?B?SsOpcsO0bWUgSMOkcnJp?= To: "'Mr. Jaehoon Paul Jeong'" , References: <56C465DB.8060305@gmail.com> In-Reply-To: Date: Wed, 24 Feb 2016 13:37:51 +0100 Organization: EURECOM Message-ID: <02d101d16f00$2cd0ce60$86726b20$@eurecom.fr> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02D2_01D16F08.8E978050" X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQFzT+DvIvjip/RmG3QLJovW1+NWXgG39Lv6ArLj7KYCC/MYO5/Dp/eQ Content-Language: en-us Archived-At: Cc: "'Dr. Hans-Joachim Fischer'" , 'Alexandre Petrescu' , 'Thierry Ernst' , knut.evensen@q-free.com, its@ietf.org Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I Networking X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Feb 2016 12:37:58 -0000 This is a multipart message in MIME format. ------=_NextPart_000_02D2_01D16F08.8E978050 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Paul, =20 I follow what Dick mentioned=E2=80=A6the strength of IP is to be above = the underlying technology, so specifying a IPv6 draft specifically for a = technology might be restrictive.=20 =20 What counts is the link specification (unicast, broadcast, multi-cast), = and its properties (delay, short link duration, fast link = establishment=E2=80=A6), whatever is the technology that will fulfill = this(I like the string and tin can though J )=E2=80=A6 =20 And as a matter of fact, if you move away from the very protected = =E2=80=98safety-related=E2=80=99 band, where BSM/CAM are transmitted = (which does not seem to be your target), you reach the BRAN spectrum, = and here, it is the new technology Wild West=E2=80=A6a lot of = technologies will be there for connected vehicles and ITS=E2=80=A6DSRC = probably, but also WiFi ac (and ax) as well as LTE-D LAA will surely be = using these bands to connect vehicles to infrastructure and to each = other=E2=80=A6. =20 Cheers, =20 J=C3=A9r=C3=B4me =20 =20 From: its [mailto:its-bounces@ietf.org] On Behalf Of Mr. Jaehoon Paul = Jeong Sent: Wednesday 24 February 2016 12:58 To: dickroy@alum.mit.edu Cc: Dr. Hans-Joachim Fischer; Alexandre Petrescu; Thierry Ernst; = knut.evensen@q-free.com; its@ietf.org Subject: Re: [its] Comments for a New Draft of Problem Statement for V2I = Networking =20 Hi Richard, I will check the IOS standards related to ITS, which are pointed by you. =20 I agree with you that you need to use well-known terminology for our ITS = work. =20 For 802.11p, as I know, both industry and academia are considering it as = Dedicated Short-Range Communications (DSRC) for vehicular networking.=20 =20 Thanks. =20 Best Regards, Paul =20 =20 On Thu, Feb 18, 2016 at 6:24 AM, Richard Roy = wrote: Alex/Paul, I suspect much of what you are thinking needs standardization below has already been standardized. You might want to check out ISO 21217 (ITS station/communication architecture), followed by ISO 21210 (IPv6 = networking for ITS). If nothing else, we already have terms for all of the configurations you describe below (see ISO 21217). It would be best to stick with this now well-known terminology. By the way, none of this depends on 802.11 5.9GHz in the data link and physical layers. I continue to wonder why 802.11p ever comes up. It = could just as well be 5.4GHz BRAN, 2.4GHz ISM, IR, tin can and a string, or whatever ... Cheers, RR > -----Original Message----- > From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com] > Sent: Wednesday, February 17, 2016 4:22 AM > To: Mr. Jaehoon Paul Jeong > Cc: its@ietf.org > Subject: Re: [its] Comments for a New Draft of Problem Statement for = V2I > Networking > > Hello Paul, > > Thanks a lot for this draft. This V2I problem statement covers many > things we have discussed in Yokohama. > > What do the others think about this draft? > > I hame some comments, see below. > > Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a =C3=A9crit : > > Hi ITS Colleagues, > > > > Title: Problem Statement for Vehicle-to-Infrastructure Networking > > I-D: draft-jeong-its-v2i-problem-statement-00 Link: > > https://tools.ietf.org/html/draft-jeong-its-v2i-problem-statement-00 > > > > Abstract This document specifies the problem statement for > > IPv6-based vehicle- to-infrastructure networking. Dedicated > > Short-Range Communications (DSRC) is standardized as IEEE 802.11p = for > > the wireless media access in vehicular networks. This document > > addresses the extension of IPv6 as the network layer protocol in > > vehicular networks and is focused on the networking issues in > > one-hop communication between a Road-Side Unit (RSU) and vehicle. > > The RSU is connected to the Internet and allows vehicles to have the > > Internet access if connected. The major issues of including IPv6 in > > vehicular networks are neighbor discovery protocol, stateless > > address autoconfiguration, and DNS configuration for the Internet > > connectivity over DSRC. Also, when the vehicle and the RSU have an > > internal network, respectively, the document discusses the issues of > > internetworking between the vehicle's internal network and the RSU's > > internal network. > > > > If you have comments or questions, please let me know. > > You can use the documentation prefixes 2001:db8:1000::/63 (instead of > real addresses like 2001:1000::/63). > > The term "RSU infra-node network" is something new and may need to be > present in the definitions section. > > If I understand you correctly, the RSU infra-node network is a network > of IP-addressable devices which are present in the Road-Side Unit - = right? > > I am asking because I know some such RSUs on the market which contain > several IP-addressable devices linked together, but we dont have a = name > for them. The "RSU infra-node network" sounds good, I think. > > For the term "mobile network" - we can rather use maybe > "moving network". > > In section 5 "Internetworking between the Vehicle and RSU networks": > > Problems are a prefix discovery and prefix exchange. The prefix > > discovery is defined as how routers in a mobile network discover > > prefixes in the mobile network. The prefix exchange is defined as > > how the vehicle and the RSU exchange their prefixes with each other. > > I agree with the problem of prefix exchange. > > For the "prefix discovery", I have some doubts. > > First, the routers inside the moving network can be pre-configured = with > the prefixes inside that moving network. If so, then there can be no > need for these routers to discover the prefixes inside the same moving > network. But, of course, if they are not preconfigured then they have > to be discovered somehow. > > Second, there is a need for one router (the mobile router?) in the > moving network to discover several parameters of a nearby moving > network, and also the parameters of a "RSU infra-node network". These > parameters, including the IP prefix of the other network, are listed = in > draft-petrescu-its-problem-01 section 3.1 "Discovery Sub-Problem". It > would be good to use same terminology for this discovery. > > > This section discusses IP addressing for V2I networking. There are > > two policies for IPv6 addressing in vehicular networks. The one > > policy is to use site-local IPv6 addresses for vehicular networks > > [RFC4291]. > > Since the site-local IPv6 addresses (fec0::) have been deprecated, it > would be appropriate to mention "Unique Local Addresses" (ULAs) which > can somehow play the role that seems to be needed here. I suggest to > substitute ULA for site-local addresses. > > > The former approach is > > usually used by Mobile Ad Hoc Networks (MANET) for a separate = multi- > > link subnet. > > MANET has a certain meaning at IETF: it's the WG MANET. I dont think > there is any MANET draft that recommends ULAs (but maybe they = recommend > site-locals?). Maybe ask the MANET WG what is the MANET IP Addressing > Architecture (do they use ULAs? do they use GUA - globals?). If yes > then refer to MANET WG document here. > > > Sections 7 ND, 8 address autoconf, 9 DNS > > I agree with these sections 7, 8 and 9. > > > 10. IP Mobility Support > > > > This section discusses an IP mobility support in V2I networking. = In > > a single subnet per RSU, vehicles keep crossing the communication > > coverages of adjacent RSUs. During this crossing, TCP/UDP = sessions > > can be maintained through IP mobility support, such as Mobile = IPv6 > > [RFC6275]. Since vehicles move fast along roadways, this high = speed > > should be configured for a parameter configuration in Mobile = IPv6. > > > > To support the mobility of a vehicle's mobile network, Network > > Mobility (NEMO) protocol can be used [RFC3963]. Like Mobile = IPv6, > > the high speed of vehicles should be considered for a parameter > > configuration in NEMO. > > I agree. > > I would like to add the following: > > 1. When Mobile IPv6/NEMO is used by the Mobile Router connected to > the RSU infra-node a tunnel is established between the MR and its > Home Agent in the TCC (Traffic Control Center). If a node inside > the moving network (not the MR) needs to exchange data with a node > within the RSU infra-node network then that communication must > go through the Home Agent. The delays on the path to the HA may = be > too high for the reactivity needed between a vehicle and an RSU, = or > the path can even be blocked. For this reason it is necessary to > accommodate direct communications (skip the HA) between a node in > the moving network and a node in the RSU infra-node network. This > can be achieved only if the two networks learn each other's = prefixes. > > 2. A new method of connecting the moving network directly to the RSU > infra-node network may lead to modifying the addressing = architecture > in the moving network. This can become a problem to the use of > Mobile IP, because Mobile IP relies on the addressing architecture > controlled by the Home Agent. This problem should be solved as = well. > > > In section 11 Security Considerations: > > 11. Security Considerations > > > > The security is very important in vehicular networks for V2I > > networking. Only valid vehicles should be allowed to use V2I > > networking in vehicular networks. VIN and a user certificate can = be > > used to authenticate a vehicle and the user. > > > > This document shares all the security issues of the neighbor > > discovery protocol. This document can get benefits from secure > > neighbor discovery (SEND) [RFC3971] > > Recent works in security for vehicular networks mention two additional > things that are worth considering: > > 1. the use of TLS certificates for vehicle communications > draft-lonc-tls-certieee1609-01 > > 2. privacy considerations: a new ETSI activity may consider privacy > aspects of identifier generation in vehicular communications. > > It is worth referring to these aspects (give references). > > Yours, > > Alex > > > > > > > Thanks. > > > > Best Regards, 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 > > , pauljeong@skku.edu > > Personal Homepage: > > http://iotlab.skku.edu/people-jaehoon-jeong.php > > > > > > > > _______________________________________________ its mailing list > > its@ietf.org https://www.ietf.org/mailman/listinfo/its > > > =20 --=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://iotlab.skku.edu/people-jaehoon-jeong.php = =20 ------=_NextPart_000_02D2_01D16F08.8E978050 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hi Paul,

 

I follow what Dick mentioned=E2=80=A6the strength of IP is to be = above the underlying technology, so specifying a IPv6 draft specifically = for a technology might be restrictive.

 

What counts is the link specification (unicast, broadcast, = multi-cast), =C2=A0and its properties (delay, short link duration, fast = link establishment=E2=80=A6), whatever is the technology that will = fulfill this(I like the string and tin can though J )=E2=80=A6

 

And as a matter of fact, if you move away from the very protected = =E2=80=98safety-related=E2=80=99 band, where BSM/CAM are transmitted = (which does not seem to be your target), you reach the BRAN spectrum, = and here, it is the new technology Wild West=E2=80=A6a lot of = technologies will be there for connected vehicles and ITS=E2=80=A6DSRC = probably, but also WiFi ac (and ax) as well as LTE-D LAA will surely be = using these bands to connect vehicles to infrastructure and to each = other=E2=80=A6.

 

Cheers,

 

J=C3=A9r=C3=B4me

 

 

From:= = its [mailto:its-bounces@ietf.org] On Behalf Of Mr. Jaehoon Paul = Jeong
Sent: Wednesday 24 February 2016 12:58
To: = dickroy@alum.mit.edu
Cc: Dr. Hans-Joachim Fischer; Alexandre = Petrescu; Thierry Ernst; knut.evensen@q-free.com; = its@ietf.org
Subject: Re: [its] Comments for a New Draft of = Problem Statement for V2I Networking

 

Hi = Richard,

I will check the IOS = standards related to ITS, which are pointed by = you.

 

I = agree with you that you need to use well-known terminology for our ITS = work.

 

For 802.11p, as I know, both industry and academia are = considering it as 

Dedicated Short-Range Communications (DSRC) for = vehicular networking. 

 

Thanks.

 

Best Regards,

Paul

 

 

On Thu, = Feb 18, 2016 at 6:24 AM, Richard Roy <dickroy@alum.mit.edu> wrote:

Alex/Paul,

I suspect much of what you are = thinking needs standardization below has
already been = standardized.  You might want to check out ISO 21217 = (ITS
station/communication architecture), followed by ISO 21210 (IPv6 = networking
for ITS).  If nothing else, we already have terms for = all of the
configurations you describe below (see ISO 21217).  = It would be best to
stick with this now well-known = terminology.

By the way, none of this depends on 802.11 5.9GHz in = the data link and
physical layers.  I continue to wonder why = 802.11p ever comes up.  It could
just as well be 5.4GHz BRAN, = 2.4GHz ISM, IR, tin can and a string, or
whatever = ...

Cheers,

RR


> -----Original = Message-----
> From: Alexandre Petrescu [mailto:alexandre.petrescu@gmail.com= ]
> Sent: Wednesday, February 17, 2016 4:22 AM
> To: Mr. = Jaehoon Paul Jeong
> Cc: its@ietf.org
> Subject: Re: [its] = Comments for a New Draft of Problem Statement for V2I
> = Networking
>
> Hello Paul,
>
> Thanks a lot for = this draft.  This V2I problem statement covers many
> things = we have discussed in Yokohama.
>
> What do the others think = about this draft?
>
> I hame some comments, see = below.
>
> Le 15/02/2016 17:30, Mr. Jaehoon Paul Jeong a = =C3=A9crit :
> > Hi ITS Colleagues,
> >
> > = Title: Problem Statement for Vehicle-to-Infrastructure = Networking
> > I-D: draft-jeong-its-v2i-problem-statement-00 = Link:
> > https://tools.ietf.org/html/draft-jeong-its-v2i-problem= -statement-00
> >
> > Abstract This document = specifies the problem statement for
> > IPv6-based vehicle- = to-infrastructure networking.  Dedicated
> > Short-Range = Communications (DSRC) is standardized as IEEE 802.11p for
> > = the wireless media access in vehicular networks.  This = document
> > addresses the extension of IPv6 as the network = layer protocol in
> > vehicular networks and is focused on the = networking issues in
> > one-hop communication between a = Road-Side Unit (RSU) and vehicle.
> > The RSU is connected to = the Internet and allows vehicles to have the
> > Internet = access if connected.  The major issues of including IPv6 in
> = > vehicular networks are neighbor discovery protocol, = stateless
> > address autoconfiguration, and DNS configuration = for the Internet
> > connectivity over DSRC.  Also, when = the vehicle and the RSU have an
> > internal network, = respectively, the document discusses the issues of
> > = internetworking between the vehicle's internal network and the = RSU's
> > internal network.
> >
> > If you = have comments or questions, please let me know.
>
> You can = use the documentation prefixes 2001:db8:1000::/63 (instead of
> = real addresses like 2001:1000::/63).
>
> The term "RSU = infra-node network" is something new and may need to be
> = present in the definitions section.
>
> If I understand you = correctly, the RSU infra-node network is a network
> of = IP-addressable devices which are present in the Road-Side Unit - = right?
>
> I am asking because I know some such RSUs on the = market which contain
> several IP-addressable devices linked = together, but we dont have a name
> for them.  The "RSU = infra-node network" sounds good, I think.
>
> For the = term "mobile network" - we can rather use maybe
> = "moving network".
>
> In section 5 = "Internetworking between the Vehicle and RSU = networks":
> > Problems are a prefix discovery and prefix = exchange.  The prefix
> > discovery is defined as how = routers in a mobile network discover
> > prefixes in the mobile = network.  The prefix exchange is defined as
> > how the = vehicle and the RSU exchange their prefixes with each = other.
>
> I agree with the problem of prefix = exchange.
>
> For the "prefix discovery", I have = some doubts.
>
> First, the routers inside the moving = network can be pre-configured with
> the prefixes inside that = moving network.  If so, then there can be no
> need for these = routers to discover the prefixes inside the same moving
> = network.  But, of course, if they are not preconfigured then they = have
> to be discovered somehow.
>
> Second, there is = a need for one router (the mobile router?) in the
> moving network = to discover several parameters of a nearby moving
> network, and = also the parameters of a "RSU infra-node network".  = These
> parameters, including the IP prefix of the other network, = are listed in
> draft-petrescu-its-problem-01 section 3.1 = "Discovery Sub-Problem".  It
> would be good to use = same terminology for this discovery.
>
> > This section = discusses IP addressing for V2I networking.  There are
> > = two policies for IPv6 addressing in vehicular networks.  The = one
> > policy is to use site-local IPv6 addresses for = vehicular networks
> > [RFC4291].
>
> Since the = site-local IPv6 addresses (fec0::) have been deprecated, it
> = would be appropriate to mention "Unique Local Addresses" = (ULAs) which
> can somehow play the role that seems to be needed = here.  I suggest to
> substitute ULA for site-local = addresses.
>
> > The former approach is
> = >    usually used by Mobile Ad Hoc Networks (MANET) for a = separate multi-
> >    link subnet.
>
> = MANET has a certain meaning at IETF: it's the WG MANET.  I dont = think
> there is any MANET draft that recommends ULAs (but maybe = they recommend
> site-locals?).  Maybe ask the MANET WG what = is the MANET IP Addressing
> Architecture (do they use ULAs?  = do they use GUA - globals?).  If yes
> then refer to MANET WG = document here.
>
>  > Sections 7 ND, 8 address = autoconf, 9 DNS
>
> I agree with these sections 7, 8 and = 9.
>
> > 10.  IP Mobility Support
> = >
> >    This section discusses an IP mobility = support in V2I networking.  In
> >    a single = subnet per RSU, vehicles keep crossing the communication
> = >    coverages of adjacent RSUs.  During this = crossing, TCP/UDP sessions
> >    can be maintained = through IP mobility support, such as Mobile IPv6
> >  =   [RFC6275].  Since vehicles move fast along roadways, this = high speed
> >    should be configured for a = parameter configuration in Mobile IPv6.
> >
> >  =   To support the mobility of a vehicle's mobile network, = Network
> >    Mobility (NEMO) protocol can be used = [RFC3963].  Like Mobile IPv6,
> >    the high = speed of vehicles should be considered for a parameter
> = >    configuration in NEMO.
>
> I = agree.
>
> I would like to add the = following:
>
> 1. When Mobile IPv6/NEMO is used by the = Mobile Router connected to
>     the RSU infra-node = a tunnel is established between the MR and its
>    =  Home Agent in the TCC (Traffic Control Center).  If a node = inside
>     the moving network (not the MR) needs = to exchange data with a node
>     within the RSU = infra-node network then that communication must
>    =  go through the Home Agent.  The delays on the path to the HA = may be
>     too high for the reactivity needed = between a vehicle and an RSU, or
>     the path can = even be blocked.  For this reason it is necessary to
>  =    accommodate direct communications (skip the HA) between a = node in
>     the moving network and a node in the = RSU infra-node network.  This
>     can be = achieved only if the two networks learn each other's = prefixes.
>
> 2. A new method of connecting the moving = network directly to the RSU
>     infra-node = network may lead to modifying the addressing architecture
>  =    in the moving network.  This can become a problem to = the use of
>     Mobile IP, because Mobile IP = relies on the addressing architecture
>    =  controlled by the Home Agent.  This problem should be solved = as well.
>
>
> In section 11 Security = Considerations:
> > 11.  Security Considerations
> = >
> >    The security is very important in = vehicular networks for V2I
> >    networking.  = Only valid vehicles should be allowed to use V2I
> >  =   networking in vehicular networks.  VIN and a user = certificate can be
> >    used to authenticate a = vehicle and the user.
> >
> >    This = document shares all the security issues of the neighbor
> = >    discovery protocol.  This document can get = benefits from secure
> >    neighbor discovery (SEND) = [RFC3971]
>
> Recent works in security for vehicular = networks mention two additional
> things that are worth = considering:
>
> 1. the use of TLS certificates for vehicle = communications
>    =  draft-lonc-tls-certieee1609-01
>
> 2. privacy = considerations: a new ETSI activity may consider privacy
>  =    aspects of identifier generation in vehicular = communications.
>
> It is worth referring to these aspects = (give references).
>
> Yours,
>
> = Alex
>
>
>
> >
> > Thanks.
> = >
> > Best Regards, 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://iotlab.skku.edu/people-jaehoon-jeong.php
= > > <http://cpslab.skku.edu/people-jaehoon-jeong.php>=
> >
> >
> > = _______________________________________________ its mailing list
> = > its@ietf.org https://www.ietf.org/mailman/listinfo/its
> = >
>



 

-- =

=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.compauljeong@skku.edu
Personal = Homepage: http://iotlab.skku.edu/people-jaehoon-jeong.php

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Content-Transfer-Encoding: 7bit From: "\"IETF Meeting Session Request Tool\"" To: X-Test-IDTracker: no X-IETF-IDTracker: 6.14.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160226195142.24059.85405.idtracker@ietfa.amsl.com> Date: Fri, 26 Feb 2016 11:51:42 -0800 Archived-At: X-Mailman-Approved-At: Fri, 26 Feb 2016 12:19:26 -0800 Cc: brian@innovationslab.net, its-chairs@ietf.org, its@ietf.org, smccammon@amsl.com Subject: [its] its - New Meeting Session Request for IETF 95 X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Feb 2016 19:51:42 -0000 A new meeting session request has just been submitted by Stephanie McCammon, on behalf of the its working group. --------------------------------------------------------- Working Group Name: Intelligent Transportation Systems Area Name: Internet Area Session Requester: Stephanie McCammon Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 100 Conflicts to Avoid: First Priority: 6lo dmm 6man dhc manet roll rtgarea ospf isis babel lime Special Requests: --------------------------------------------------------- From nobody Mon Feb 29 07:38:38 2016 Return-Path: X-Original-To: its@ietf.org Delivered-To: its@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B65AA1B338C; Mon, 29 Feb 2016 07:21:30 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Meeting Session Request Tool\"" To: X-Test-IDTracker: no X-IETF-IDTracker: 6.14.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <20160229152130.8291.41087.idtracker@ietfa.amsl.com> Date: Mon, 29 Feb 2016 07:21:30 -0800 Archived-At: X-Mailman-Approved-At: Mon, 29 Feb 2016 07:38:37 -0800 Cc: brian@innovationslab.net, its-chairs@ietf.org, its@ietf.org, smccammon@amsl.com Subject: [its] its - Update to a Meeting Session Request for IETF 95 X-BeenThere: its@ietf.org X-Mailman-Version: 2.1.15 List-Id: ITS at IETF discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Feb 2016 15:21:30 -0000 An update to a meeting session request has just been submitted by Stephanie McCammon, on behalf of the its working group. --------------------------------------------------------- Working Group Name: Intelligent Transportation Systems Area Name: Internet Area Session Requester: Stephanie McCammon Number of Sessions: 1 Length of Session(s): 2 Hours Number of Attendees: 100 Conflicts to Avoid: First Priority: 6lo dmm 6man dhc manet roll rtgarea ospf isis babel lime stir saag Special Requests: ---------------------------------------------------------