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Re: [Ila] [5gangip] PS draft: New Version Notification for draft-hspab-5gangip-atticps-00.txt

Dino Farinacci <farinacci@gmail.com> Wed, 31 January 2018 23:25 UTC

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From: Dino Farinacci <farinacci@gmail.com>
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Date: Wed, 31 Jan 2018 15:25:02 -0800
Cc: Tom Herbert <tom@herbertland.com>, 5GANGIP <5gangip@ietf.org>, Behcet Sarikaya <sarikaya@ieee.org>, ila@ietf.org
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To: Tom Herbert <tom@quantonium.net>
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Subject: Re: [Ila] [5gangip] PS draft: New Version Notification for draft-hspab-5gangip-atticps-00.txt
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> That should only be true if you are my network provider. To anyone
> else the only thing they should be able to deduce from an address is
> that the packet originated from a random user of my network provider.

I can tcpdump packets on my router for packets you send before the locator is translated back to the sir-prefix. And count on the locator being in DNS for a reverse lookup so I can get some ascii text that gives me a clue.

> 
>> You have to change and obfuscate EIDs and you have to keep using different RLOCs. Cat and mouse game.
>> 
> For best privacy you would keep using different source addresses
> (identifiers) for different flows, Locators are not an issue if their
> visibility is restricted to the provider network, so that neither UEs
> nor external nodes ever see them .

Don’t you want your provider to not track you?

Dino

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