Re: [Mobopts] Re: [Mip6] [Fwd: FW: resubmit draft-irtf-mobopts-location-privacy-ps-00.txt with revised boilerplate]

[Ryuji Wakikawa <ryuji at sfc.wide.ad.jp>]

Hi Wassim

I just saw the Rajeev's presentation.

If a MN can randomly generate a sequence value that is larger than  
the previous value and
within sequence number window, it's hard to track the mobile node.  no?

I agree most of implementation today just increment one for sequence  
number.
Is there any description in RFC3775  saying that MN must increment  
sequentially for Seq number?

ryuji


On 2005/07/12, at 12:50, Wassim Haddad wrote:

> Hi Rajeev,
>
> Thanks for writing this draft.
>
> I just want to add that tracing the BU messages via the sequence  
> number
> can also reveal in real time to an eavesdropper the path taken by an
> unknown mobile node, i.e., by linking the BU messages and consequently
> the pseudo-IP addresses.
> However, the ability to follow the movements in real time, combined  
> with
> some prior infos about one particular target can lead to break the  
> user's
> anonymity.
>
> IMHO, it makes sense to add such scenario in the problem statement.
>
> We have addressed this particular issue in our "anonymity and  
> unlinkability
> solution for omipv6" (draft-haddad-privacy-omipv6-anonymity-00).
>
>
> Regards,
>
> Wassim H.
>
>
> On Mon, 11 Jul 2005, Rajeev Koodli wrote:
>
>
> > Hello folks,
> >
> > I submitted the draft on Friday, I believe with the correct  
> > boilerplate
> > (see attached draft). I still got an error message.
> >
> > Anyway, please find the Location Privacy Problem Statement draft.
> >
> > Regards,
> >
> > -Rajeev
> >
> >
> >
> > > -----Original Message-----
> >
> >
> > > From:     Koodli Rajeev (Nokia-NRC/MtView)
> > > Sent:    Friday, July 08, 2005 7:42 PM
> > > To:    'internet-drafts at ietf.org'
> > > Subject:    resubmit draft-irtf-mobopts-location-privacy- 
> > > ps-00.txt with revised boilerplate
> > >
> > >
> > > Here it is..
> > >
> > > Thanks,
> > >
> > > -Rajeev Koodli
> > >
> > >
> > > >  <<draft-irtf-mobopts-location-privacy-ps-00.txt>>
> > >
> > > http://people.nokia.net/~rajeev
>
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