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Re: [dns-privacy] Stephen Farrell's Yes on draft-ietf-dprive-edns0-padding-02: (with COMMENT)

Stephen Farrell <stephen.farrell@cs.tcd.ie> Wed, 02 March 2016 09:41 UTC

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To: Alexander Mayrhofer <alex.mayrhofer.ietf@gmail.com>
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From: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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Date: Wed, 02 Mar 2016 09:41:39 +0000
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Cc: tjw ietf <tjw.ietf@gmail.com>, draft-ietf-dprive-edns0-padding@ietf.org, dprive-chairs@ietf.org, dns-privacy@ietf.org, The IESG <iesg@ietf.org>
Subject: Re: [dns-privacy] Stephen Farrell's Yes on draft-ietf-dprive-edns0-padding-02: (with COMMENT)
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On 02/03/16 09:16, Alexander Mayrhofer wrote:
> Stephen,
> 
> thanks for the COMMENT. What about simply removing "significantly" from the
> sentence above? Would that address your concerns? I do admit English is not
> my first language, so i'm open for suggestions :)

That's better yes.

Cheers,
S.

> 
> Alex
> 
> 
> On Tue, Mar 1, 2016 at 11:07 AM, Stephen Farrell <stephen.farrell@cs.tcd.ie>
> wrote:
> 
>> Stephen Farrell has entered the following ballot position for
>> draft-ietf-dprive-edns0-padding-02: Yes
>>
>> When responding, please keep the subject line intact and reply to all
>> email addresses included in the To and CC lines. (Feel free to cut this
>> introductory paragraph, however.)
>>
>>
>> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
>> for more information about IESG DISCUSS and COMMENT positions.
>>
>>
>> The document, along with other ballot positions, can be found here:
>> https://datatracker.ietf.org/doc/draft-ietf-dprive-edns0-padding/
>>
>>
>>
>> ----------------------------------------------------------------------
>> COMMENT:
>> ----------------------------------------------------------------------
>>
>>
>> - intro: "significantly hampering" is over-stated, even though you
>> do limit that to size-based correlation as a form of traffic
>> analysis. This is a basic mechanism (a fine thing) but by itself
>> does not counter traffic analysis that much. See e.g. [1] for a
>> relevant study.  Referencing [1] and/or [2] and saying that this
>> mechanism isn't itself enough would be a good improvement.  ([2] is
>> a colleague's work btw, but I think is good:-). Neither [1] nor [2]
>> are DNS-specific, not sure if there are publications that cover
>> that.  Without such a caveat, people might over-claim and not do the
>> right things.  Happy to help craft words for that if you want.
>>
>>    [1] http://kpdyer.com/publications/oakland2012-peekaboo.pdf
>>    [2] http://arxiv.org/pdf/1410.2087v2.pdf
>>
>> - typo: "meta data of could still"
>>
>>
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> 
> 
> 
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