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Re: [perpass] Fwd: FW: I-D Action: draft-farrelll-mpls-opportunistic-encrypt-00.txt

Theodore Ts'o <tytso@mit.edu> Mon, 13 January 2014 22:39 UTC

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Date: Mon, 13 Jan 2014 13:53:50 -0500
From: Theodore Ts'o <tytso@mit.edu>
To: Stephen Kent <kent@bbn.com>
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Subject: Re: [perpass] Fwd: FW: I-D Action: draft-farrelll-mpls-opportunistic-encrypt-00.txt
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On Mon, Jan 13, 2014 at 11:53:26AM -0500, Stephen Kent wrote:
> >It helps against some attacks, but it doesn't help for others, right?
> >After all, if you are a US national, you might not trust that the
> >Chinese Telecom won't pass your traffic to the MSS.  (Or if you are a
> >German national, that AT&T won't decrypto your traffic and then pass
> >it off to the NSA...)
> yep. IPsec, under the control of a subscriber, offers more protection,
> in princple.

Or put another way, MPLS-mediated encryption violates the end-to-end
principle.  It also allows ISP's to violate net neutrality principles
as well (i.e., by allowing them to do deep packet inspection and then
prioritizing some traffic over others).

							- Ted

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