Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-08 Thread Alexandru Petrescu
Le 04/04/2013 21:56, Manfredi, Albert E a écrit : -Original Message- From: Alexandru Petrescu [mailto:alexandru.petre...@gmail.com] Some applications involving the use of VIN may have been discussed. One requirement may come from V2V communications when infrastructure is not

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-08 Thread Alexandru Petrescu
Le 05/04/2013 07:41, Roger Jørgensen a écrit : On Thu, Apr 4, 2013 at 3:13 AM, Michael Richardson mcr+i...@sandelman.ca wrote: snip If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff is going to be useful, there will

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-08 Thread Scott Brim
On 04/08/13 07:51, Alexandru Petrescu allegedly wrote: Right. To avoid the particular privacy risk of reverse mapping IID-VIN, one may use the output of a hash of the VIN. That would be ok to respect privacy, yet it would disallow the applications which may need this reverse mapping.

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-08 Thread Alexandru Petrescu
Le 08/04/2013 16:54, Scott Brim a écrit : On 04/08/13 07:51, Alexandru Petrescu allegedly wrote: Right. To avoid the particular privacy risk of reverse mapping IID-VIN, one may use the output of a hash of the VIN. That would be ok to respect privacy, yet it would disallow the applications

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-07 Thread joel jaeggli
On 4/4/13 7:07 PM, Ted Lemon wrote: On Apr 4, 2013, at 7:44 PM, Richard Roy dick...@alum.mit.edu wrote: [RR] As I am sure you know, privacy is a cross-layer issue. Any layer that compromises privacy, compromises it for the user/ITS station. That said, FNTP/WSMP replace the IP layer with a

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-07 Thread Ted Lemon
On Apr 7, 2013, at 11:07 AM, joel jaeggli joe...@bogus.com wrote: So that possibly makes sense internally to the car, although possibly not. It doesn't make a lot of sense to me between cars, except perhaps in the most restricted applications. When you talk about capacity constrained RF

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-05 Thread sofiane Imadali
Hi, On Fri, Apr 5, 2013 at 7:41 AM, Roger Jørgensen rog...@gmail.com wrote: On Thu, Apr 4, 2013 at 3:13 AM, Michael Richardson mcr+i...@sandelman.ca wrote: snip If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff is

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Scott Brim
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 04/03/13 21:13, Michael Richardson allegedly wrote: If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff is going to be useful, there will already be a collision avoidance

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Michael Richardson
Doug == Doug Barton do...@dougbarton.us writes: Doug | If I can derive the VIN from the prefix, I agree that it helps Doug | identify the vehicle, but not really. Doug So if I know the VIN number of the vehicle I'm interested in, all I Doug have to do is get on the network and

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Michael Richardson
Ted == Ted Lemon ted.le...@nominum.com writes: So, we have assumed that a 802.11p sniffer sitting in Times Square can sniff the prefix used by passing vehicles. If I put another sniffer outside Wrigley Field, I can do correlation... how does knowing the VIN help me? I

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Alexandru Petrescu
Le 04/04/2013 03:39, Doug Barton a écrit : -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 04/03/2013 06:13 PM, Michael Richardson wrote: | So, we have assumed that a 802.11p sniffer sitting in Times Square | can sniff the prefix used by passing vehicles. If I put another | sniffer outside

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Roland Bless
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, On 04.04.2013 17:02, Michael Richardson wrote: I think that imadali-its-vinipv6 is the wrong idea. If it is useful for a manufacturer to derive a subnet-ID from a VIN, that's fine, but I think it's a private matter. Let's write a BCP on how

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Alexandru Petrescu
Le 04/04/2013 03:18, Manfredi, Albert E a écrit : -Original Message- From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf Of Michael Richardson If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Ted Lemon
On Apr 4, 2013, at 1:51 PM, Richard Roy dick...@alum.mit.edu wrote: Furthermore, anonymity concerns and the simultaneous morphing of all content in these safety messages that could be used to infer behavior and violate privacy are being addressed within the IEEE 1609.2 and ETSI TC ITS security

RE: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Manfredi, Albert E
-Original Message- From: Alexandru Petrescu [mailto:alexandru.petre...@gmail.com] Some applications involving the use of VIN may have been discussed. One requirement may come from V2V communications when infrastructure is not available: how to know the IP address of the seen

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Ted Lemon
On Apr 4, 2013, at 7:44 PM, Richard Roy dick...@alum.mit.edu wrote: [RR] As I am sure you know, privacy is a cross-layer issue. Any layer that compromises privacy, compromises it for the user/ITS station. That said, FNTP/WSMP replace the IP layer with a different albeit null) networking

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-04 Thread Roger Jørgensen
On Thu, Apr 4, 2013 at 3:13 AM, Michael Richardson mcr+i...@sandelman.ca wrote: snip If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff is going to be useful, there will already be a collision avoidance protocol that will

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-03 Thread Ted Lemon
On Apr 3, 2013, at 12:00 PM, Michael Richardson mcr+i...@sandelman.ca wrote: So, I have a question: how much privacy is actually contained in the VIN or indexed by the VIN? Given that it's printed on the windshield. Yes, it contains model, year and manufacturer of the car, but all of that

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-03 Thread Michael Richardson
Ted == Ted Lemon ted.le...@nominum.com writes: So, I have a question: how much privacy is actually contained in the VIN or indexed by the VIN? Given that it's printed on the windshield. Yes, it contains model, year and manufacturer of the car, but all of that information is

RE: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-03 Thread Manfredi, Albert E
-Original Message- From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf Of Michael Richardson If I can derive the VIN from the prefix, I agree that it helps identify the vehicle, but not really. If any of this stuff is going to be useful, there will already be a

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-03 Thread Doug Barton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 04/03/2013 06:13 PM, Michael Richardson wrote: | So, we have assumed that a 802.11p sniffer sitting in Times Square | can sniff the prefix used by passing vehicles. If I put another | sniffer outside Wrigley Field, I can do correlation... how

Re: [its] I-D Action: draft-imadali-its-vinipv6-viid-00.txt

2013-04-03 Thread Ted Lemon
On Apr 3, 2013, at 9:13 PM, Michael Richardson mcr+i...@sandelman.ca wrote: So, we have assumed that a 802.11p sniffer sitting in Times Square can sniff the prefix used by passing vehicles. If I put another sniffer outside Wrigley Field, I can do correlation... how does knowing the VIN help