Re: Fwd: New Version Notification for draft-gont-6man-non-stable-iids-03.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 23 March 2018 18:57 UTC

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Sender: Brian Carpenter <becarpenter46@gmail.com>
Subject: Re: Fwd: New Version Notification for draft-gont-6man-non-stable-iids-03.txt
To: Dave Plonka <dave@plonka.us>, Fernando Gont <fgont@si6networks.com>
Cc: "6man@ietf.org" <6man@ietf.org>, "Plonka, David" <dplonka@akamai.com>
References: <152162060641.6252.15001621249497146083.idtracker@ietfa.amsl.com> <bc8d0eb2-48d8-ef28-4aca-beea68f2a189@si6networks.com> <CANPwAQYG_cfRrHsV5Yjgc9PdfXGKt4UkzSa3Czj6cJ6XjLPreQ@mail.gmail.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Sat, 24 Mar 2018 07:57:34 +1300
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> If we keep "statistically different," I suggest removing the parentheses
> and defining it as: "having high likelihood to be different, e.g. 99% of
> the time."
> (That it is a value we used in our aforementioned manuscript to define
> "plausibly random"... Other percentage values are fine.)

I think that with a length of at least (say) 40 bits and at most 64,
we can go for  something more ambitious. Even 40 bits
is about 10**12.

(No prize for mentioning the birthday paradox. We're talking about the
probability of one particular IID matching another.)

Regards
   Brian


On 24/03/2018 03:24, Dave Plonka wrote:
> Yes, this looks good, Fernando.
> 
> Thanks for doing this work for the community. I particularly like that
> everything here supports the "kIP" IPv6 address anonymisation work we
> presented in MAPRG, e.g., to help with EU's GDPR.
> 
> I will think more about what we might say instead of "(statistically)
> different," and let you know if I come up with somethings non-parenthetical
> that clearly captures what (I think) we mean by this.
> 
> Does "probably different" work, in anyone's opinion?
> 
> Regardless of whether we use "statistically" or something else, we should
> be able to define this oft-used phrase in the draft itself.
> 
> If we keep "statistically different," I suggest removing the parentheses
> and defining it as: "having high likelihood to be different, e.g. 99% of
> the time."
> (That it is a value we used in our aforementioned manuscript to define
> "plausibly random"... Other percentage values are fine.)
> 
> Thanks,
> Dave
> 
> A unit/ typo? "Temporary address (e.g., a temporary address)."
> 
> On Mar 21, 2018 9:16 AM, "Fernando Gont" <fgont@si6networks.com> wrote:
> 
>> Folks,
>>
>> We've published a revision of our I-D:
>> <https://www.ietf.org/internet-drafts/draft-gont-
>> 6man-non-stable-iids-03.txt>
>>
>> It incorporates a number of clarifications in response to Dave Plonka's
>> feedback.
>>
>> Dave: Please do let us know if you're happy with this rev.
>>
>> Thanks!
>>
>> Best regards,
>> Fernando
>>
>>
>>
>>
>> -------- Forwarded Message --------
>> Subject: New Version Notification for draft-gont-6man-non-stable-
>> iids-03.txt
>> Date: Wed, 21 Mar 2018 01:23:26 -0700
>> From: internet-drafts@ietf.org
>> To: Madeleine Garcia Corbo <madelen.garcia16@gmail.com>, Christian
>> Huitema <huitema@huitema.net>, Fernando Gont <fgont@si6networks.com>,
>> Suresh Krishnan <suresh.krishnan@ericsson.com>, Madelen Corbo
>> <madelen.garcia16@gmail.com>, Guillermo Gont <ggont@si6networks.com>
>>
>>
>> A new version of I-D, draft-gont-6man-non-stable-iids-03.txt
>> has been successfully submitted by Fernando Gont and posted to the
>> IETF repository.
>>
>> Name:           draft-gont-6man-non-stable-iids
>> Revision:       03
>> Title:          Recommendation on Temporary IPv6 Interface Identifiers
>> Document date:  2018-03-21
>> Group:          Individual Submission
>> Pages:          11
>> URL:
>> https://www.ietf.org/internet-drafts/draft-gont-6man-non-
>> stable-iids-03.txt
>> Status:
>> https://datatracker.ietf.org/doc/draft-gont-6man-non-stable-iids/
>> Htmlized:
>> https://tools.ietf.org/html/draft-gont-6man-non-stable-iids-03
>> Htmlized:
>> https://datatracker.ietf.org/doc/html/draft-gont-6man-non-stable-iids
>> Diff:
>> https://www.ietf.org/rfcdiff?url2=draft-gont-6man-non-stable-iids-03
>>
>> Abstract:
>>    This document specifies a set of requirements for generating
>>    temporary addresses, and clarifies the stability requirements for
>>    IPv6 addresses, allowing for the use of only temporary addresses.
>>
>>
>>
>>
>> Please note that it may take a couple of minutes from the time of
>> submission
>> until the htmlized version and diff are available at tools.ietf.org.
>>
>> The IETF Secretariat
>>
>>
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>