Re: [ipwave] Request for Review on IPWAVE PS Draft

[Alexandre Petrescu <[e-mail]>]

Hi Paul,

Thank you for the reply.

Le 04/12/2018 à 01:15, Mr. Jaehoon Paul Jeong a écrit :
> Hi Alex,
> In South Korea, people are aware of PRESTO (ISO 22951:2009)
> for traffic light control for emergency vehicles, but it seems like
> there is no standardized, implemented protocol in South Korea yet.
> I guess that Korean people will try to implement the ISO's PRESTO in future.
> 
> The PRESTO does not specify a specific delivery protocol, so
> our IPWAVE will be a good candidate for this traffic light control, so
> we can include this into our PS document as a use case.

This initiative seems appropriate.

I would need to understand what do you mean by IPWAVE.

On my side, I think IP/OCB protocol developped by IPWAVE WG would be a
good intermediary means to network IP packets between car and traffic
light controller (other intermediary segment is Ethernet, with
IP/Ethernet, within the IP-RSU box, and within the car).

But there need to be IP routes between the car and the traffic light
controller too.  To achieve that we need a mechanism.

And there would need to be an application layer protocol (PRESTO?  SPAT?
  DIASER?  SRM/SSM? HTTP?) between the car and the traffic light controller.

Alex

> 
> Thanks.
> 
> Best Regards,
> Paul
> 
> 
> 
> On Wed, Nov 28, 2018 at 9:43 PM Alexandre Petrescu 
> <[e-mail] <mailto:[e-mail]>> wrote:
> 
>     Hi Paul,
> 
>     Thank you for the reply.
> 
>     In this particular case, I am not asking to make modifications to
>     the draft.
> 
>     But, for my information, I would like to learn: what protocol is
>     used in
>     in S Korea to communicate with the traffic lights controller?
> 
>     I need such a protocol in a use-case where the car may have the ability
>     to ask, under certain circumstances, the traffic light to turn to
>     green,
>     or to learn how much time is left for red.
> 
>     In France that protocol is called "DIASER" (it is an abbreviation for
>     "DIAlogue Standard des Equipements de Régulation de trafic".)
> 
>     At ISO, which is an International SDO, there is "PRESTO" (ISO
>     22951:2009
>     "Data dictionary and message sets for preemption and prioritization
>     signal systems for emergency and public transport vehicles (PRESTO)).
> 
>     Alex
> 
>     Le 28/11/2018 à 02:28, Mr. Jaehoon Paul Jeong a écrit :
>      > Hi Alex,
>      > I will address your comments with other reviewers' comments for the
>      > revision.
>      >
>      > Thanks.
>      >
>      > Best Regards,
>      > Paul
>      >
>      > On Tue, Nov 27, 2018 at 11:00 PM Alexandre Petrescu
>      > <[e-mail]
>     <mailto:[e-mail]>
>     <mailto:[e-mail]
>     <mailto:[e-mail]>>> wrote:
>      >
>      >     Hi Paul,
>      >
>      >     I have a few comments to the draft that I would like to mention.
>      >
>      >     At this time, I do not request to modify the draft.  Thank you.
>      >
>      >     Here are my comments:
>      >
>      >     In the V2V section:
>      >     - do not forget there is a funny typo: "obstables".
>      >     - the 4 paragraphs in this section read good and make sense.
>      >     - at ISO/TC204, there is recently an activity called
>      >         "Vehicle to Vehicle Intersection Collision Warning System
>     (VVICW)"
>      >         The private Word document ISO 23376:20##(E) has 16 pages
>     and I can
>      >         discuss it in private with interested parties.
>      >
>      >     In the V2I section:
>      >     - the three paragraphs read good.
>      >
>      >     - in addition, in my project, we consider V2I to also mean direct
>      >         communication between the car and the nearby Traffic Lights
>      >         Controller.
>      >
>      >         The communication between the car and the traffic lights
>     controller
>      >         can happen in two distinct V2I ways: from car to TCC and
>     back to
>      >         traffic lights controller, or from car to traffic traffic
>     lights
>      >         controller (not through TCC).
>      >
>      >         The end-to-end protocol between car and traffic lights
>      >     controller can
>      >         be the same protocol as the protocol between TCC and the
>     traffic
>      >         lights controller.  In France that protocol is called
>     "DIASER".
>      >     But,
>      >         for international (maybe France - Netherlands) we also
>     consider the
>      >         ISO protocol called "PRESTO".  DIASER runs over IP (and
>     on serial),
>      >         but we wonder whether PRESTO runs over IP.
>      >
>      >     In section "5.1.2 Routing":
>      >     - the section lists "VANET Geo Routing",
>      >         but we do not use geographical routing.
>      >     - the section lists
>      >         "IPv6 Neighbor Discovery for IP-Based Vehicular Networks"
>      >         for potential use for V2V communications.
>      >         Instead, we use RFC4191 "More Specific Routes".
>      >         This RFC4191 has a problem in that it is only for Hosts.
>      >         We want RFC4191 to be for Routers as well.
>      >         This RFC4191 is partially implemented in two alternatives
>     in linux:
>      >         (1) in the linux kernel and (2) in openwrt's odhcp6c. 
>     The latter
>      >         needs a little bit of extension because by default it is
>     not capable
>      >         of doing _only_ "more specific routes", it wants to also
>     do default
>      >         route and address autoconfiguration.
>      >
>      >     Alex
>      >
>      >     Le 21/11/2018 à 05:27, Mr. Jaehoon Paul Jeong a écrit :
>      >      > Hi Sri Gundavelli and Jung-Soo Park,
>      >      > Thanks for your volunteering on the review of our IPWAVE
>     PS draft:
>      >      >
>     https://tools.ietf.org/html/draft-ietf-ipwave-vehicular-networking-07
>      >      >
>      >      > Could you share your review within this December?
>      >      >
>      >      > Once I get your comments, I will address yours along with the
>      >     co-authors.
>      >      >
>      >      > Thanks again.
>      >      >
>      >      > Best Regards,
>      >      > Paul
>      >      > --
>      >      > ===========================
>      >      > Mr. Jaehoon (Paul) Jeong, Ph.D.
>      >      > Associate Professor
>      >      > Department of Software
>      >      > Sungkyunkwan University
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>      > --
>      > ===========================
>      > Mr. Jaehoon (Paul) Jeong, Ph.D.
>      > Associate Professor
>      > Department of Software
>      > Sungkyunkwan University
>      > Office: [phone]
>      > Email: [e-mail] <mailto:[e-mail]>
>     <mailto:[e-mail] <mailto:[e-mail]>>,
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> 
> -- 
> ===========================
> Mr. Jaehoon (Paul) Jeong, Ph.D.
> Associate Professor
> Department of Software
> Sungkyunkwan University
> Office: [phone]
> Email: [e-mail] <mailto:[e-mail]>, 
> [e-mail] <mailto:[e-mail]>
> Personal Homepage: http://iotlab.skku.edu/people-jaehoon-jeong.php 
> <http://cpslab.skku.edu/people-jaehoon-jeong.php>