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Re: [Ideas] [5gangip] FW: New Version Notification for draft-xyx-5gip-ps-00.txt

Tom Herbert <tom@herbertland.com> Thu, 11 May 2017 04:17 UTC

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References: <149376035152.21552.16267155218438524059.idtracker@ietfa.amsl.com> <25B4902B1192E84696414485F5726854018A27B7@SJCEML701-CHM.china.huawei.com> <CALx6S34fqe5cO_Vzi=pT1CELX_Ewbe7RcjpHn3-gNouCZKSZXQ@mail.gmail.com> <CAC8QAcfZTO0ZB_9MSMVUCgFd5Jr0iByaArXnVxnsKVgTj6Hudg@mail.gmail.com> <CALx6S34QK8vrtYgrQzTgqDi+LGkd5P2SNDuRtqTyEBPj+VXmYg@mail.gmail.com> <25B4902B1192E84696414485F5726854018A2ACC@SJCEML701-CHM.china.huawei.com> <CALx6S37g+f4tB2343vNh1Eje7tCGtHMtNPdxRpK_-RbNSHURFg@mail.gmail.com> <25B4902B1192E84696414485F5726854018A2AF3@SJCEML701-CHM.china.huawei.com> <CALx6S34_Aibh5HQ01jpZPHE6dXVyk5tsxeSCzy4FRcGcXLj0Zw@mail.gmail.com> <25B4902B1192E84696414485F5726854018A2B11@SJCEML701-CHM.china.huawei.com> <CALx6S34srTgJ-hyKZWRwMZnaaem_gr+04a-d015AcSc-kX4dMA@mail.gmail.com> <25B4902B1192E84696414485F5726854018A2B5D@SJCEML701-CHM.china.huawei.com> <CALx6S36gazGd56nDs2W7afCbmnmNC49Xx2t5vPvgZvMSzf=NbQ@mail.gmail.com> <00dfb61c-c7a8-937c-13c7-49be5eb95016@huitema.net>
From: Tom Herbert <tom@herbertland.com>
Date: Wed, 10 May 2017 21:17:20 -0700
Message-ID: <CALx6S35RSf=ekr_U_Q4bwYtfWZkXucT4vWwrcTkXXj59meCt+Q@mail.gmail.com>
To: Christian Huitema <huitema@huitema.net>
Cc: Uma Chunduri <uma.chunduri@huawei.com>, "5gangip@ietf.org" <5gangip@ietf.org>, Behcet Sarikaya <sarikaya@ieee.org>, "Dirk.von-Hugo@telekom.de" <Dirk.von-Hugo@telekom.de>, "ideas@ietf.org" <ideas@ietf.org>, Lorenzo Colitti <lorenzo@google.com>
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Subject: Re: [Ideas] [5gangip] FW: New Version Notification for draft-xyx-5gip-ps-00.txt
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On Wed, May 10, 2017 at 8:20 PM, Christian Huitema <huitema@huitema.net> wrote:
>
>
> On 5/10/2017 5:58 PM, Tom Herbert wrote:
>> So it's really the locator address for a node that changes, not the
>> the identifier. The system needs to ensure that packets delivered to
>> the application always get the identifier address and that keeps
>> source address persistent.
> And this stable identifier has horrendous privacy issues. Or can have,
> especially if you were to have a design in which a mobile device has
> just one such identifier and keeps it all the time. It becomes a
> beautiful tracking beacon.
>
Identifiers (anything that is persistent over time that can be
tracked) needs to be obfuscated to prevent the tracking. I believe
WAVE already has done some good work towards that end.

Tom

> -- Christian Huitema

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