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RE: Spin bit discussion - where we're at

"Black, David" <David.Black@dell.com> Tue, 28 November 2017 23:53 UTC

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From: "Black, David" <David.Black@dell.com>
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To: "Eggert, Lars" <lars@netapp.com>, "MORTON, ALFRED C (AL)" <acmorton@att.com>
CC: QUIC WG <quic@ietf.org>, "tsv-area@ietf.org" <tsv-area@ietf.org>
Subject: RE: Spin bit discussion - where we're at
Thread-Topic: Spin bit discussion - where we're at
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Date: Tue, 28 Nov 2017 23:52:40 +0000
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> (On first glance, the - user - privacy aspects here seem to be much more contained, since ECN is mostly about the network exposing information to the end systems, and not vice versa.)

That sounds like the right high-level summary.  The fact that a transport protocol implementation supports ECN does not intrinsically expose any information about the user to the network. The primary information flow is congestion information flowing from the network to the endpoints.

Thanks, --David

From: tsv-area [mailto:tsv-area-bounces@ietf.org] On Behalf Of Eggert, Lars
Sent: Monday, November 27, 2017 3:12 AM
To: MORTON, ALFRED C (AL) <acmorton@att.com>
Cc: QUIC WG <quic@ietf.org>; tsv-area@ietf.org
Subject: Re: Spin bit discussion - where we're at

Hi,

On 2017-11-26, at 20:26, MORTON, ALFRED C (AL) <acmorton@att.com<mailto:acmorton@att.com>> wrote:

Question: Is there a privacy analysis of present ECN available?
(a search yielded many results with Missing: privacy)

not that I'm aware of; CC'ing tsv-area@ for some broader input.

(On first glance, the - user - privacy aspects here seem to be much more contained, since ECN is mostly about the network exposing information to the end systems, and not vice versa.)

Lars

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