Re: Vehicle's VIN in IPv6.

Alexandru Petrescu <alexandru.petrescu@gmail.com> Thu, 31 March 2011 13:50 UTC

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Date: Thu, 31 Mar 2011 15:52:00 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: Roland Bless <roland.bless@kit.edu>
Subject: Re: Vehicle's VIN in IPv6.
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Le 31/03/2011 12:26, Roland Bless a écrit :
> Hi Alexandru,
>
> On 31.03.2011 12:08, Alexandru Petrescu wrote:
>> Thanks for the pointer, I am discovering OBD.  We are also
>> interested in wireless usage of IP within the vehicle, with
>> off-the-shelf links (i.e. consumer electronics market wifi,
>> bluetooth, ant) together with OBD if needed.
>
> See below.
>
>>> Today EOBDv1 can diagnose (quasi online) 849 failures. One of
>>> most important advantage of EOBDv2 (but not only it) will be
>>> constant, real time communication with service. The best way of
>>> them will be indyvidual number for every car vehicles in the
>>> world.
>>
>> Excellent requirement to IP.
>
> Maybe to some mapping system, but not directly to IPv6 (ID/Loc
> split).

I quickly get confused on id/loc split discussions.  I meant to say that
it is wonderful to request Internet to let a vehicle connect to it
anywhere in the world and, moreover, solution should not be exclusively 
satellite.

>>> This number ought to cooporate with global networking - TCP/IP
>>> (IPv6). All cars have indyvidual number - VIN (17 characters
>>> which indicates on a country of production and mark of the car:
>>> digits and letters A-X). Maybe there is time when someone must
>>> think about conversion VIN to IPv6
>>
>> Hmm... sounds as good idea.  But there may be several IP addresses
>> within a vehicle, one for the obu, one for map device, etc.
>
>> In case one would like to map VIN to an IPv6 address one would
>> consider first an Interface Identifier of the IPv6 address.
>> (rightmost 64 bits). Interface Identifier is about an Interface,
>> and I am not sure VIN is about an interface, or is it. (like
>> Interface is the Ethernet interface of this pc).
>
> Yes, but from a security point of view, it would be a nightmare if
> some hacker could directly send IP packets to the ECU controlling
> your airbag or other safety relevant ECUs etc. So a strong security
> architecture is a MUST.

I agree, appropriate security is useful.  What's ECU? (other than the
currency).

> I'm not sure that there is a need to _directly_ address any internal
> car devices. A security gateway as policy enforcement point seems to
> be required at least.

For entertainment, passengers may like to youtube without policy
enforcement, i.e. all laptops in the vehicle be each IP-addressable.

In other cases, only the OBU would be IP-addressable and it would be
connect on its ingress interface to rs232/can devices (but it would
still need a 2nd IP address on that interface).

Alex

> Regards, Roland