Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-nfc-13: (with DISCUSS and COMMENT)
Adam Roach <adam@nostrum.com> Wed, 26 June 2019 01:07 UTC
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To: 최영환 <yhc@etri.re.kr>, The IESG <iesg@ietf.org>
Cc: "draft-ietf-6lo-nfc@ietf.org" <draft-ietf-6lo-nfc@ietf.org>, Carles Gomez <carlesgo@entel.upc.edu>, Samita Chakrabarti <samitac.ietf@gmail.com>, "6lo-chairs@ietf.org" <6lo-chairs@ietf.org>, "6lo@ietf.org" <6lo@ietf.org>
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From: Adam Roach <adam@nostrum.com>
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Date: Tue, 25 Jun 2019 20:07:38 -0500
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Subject: Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-nfc-13: (with DISCUSS and COMMENT)
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On 6/25/19 6:17 PM, 최영환 wrote: > Dear Adam Roach, > > Thanks for your feedback. > Please find the answer inline bellows. > > BRs, > Younghwan > >> -----Original Message----- >> From: Adam Roach <adam@nostrum.com> >> Sent: Wednesday, June 26, 2019 2:06 AM >> To: 최영환 <yhc@etri.re.kr>; The IESG <iesg@ietf.org> >> Cc: draft-ietf-6lo-nfc@ietf.org; Carles Gomez <carlesgo@entel.upc.edu>; >> Samita Chakrabarti <samitac.ietf@gmail.com>; 6lo-chairs@ietf.org; >> 6lo@ietf.org >> Subject: Re: Adam Roach's Discuss on draft-ietf-6lo-nfc-13: (with DISCUSS >> and COMMENT) >> >> Sorry for the relatively slow response. Comments inline. >> >> On 6/7/19 3:01 AM, 최영환 wrote: >>>> --------------------------------------------------------------------- >>>> - >>>> DISCUSS: >>>> --------------------------------------------------------------------- >>>> - >>>> >>>> Thanks to everyone who has worked on this document. >>>> >>>> I generally agree with Benjamin's discuss points, and in particular >>>> agree with his comment that it's kind of hard to figure out how all >>>> these pieces work together. I have an additional issue that is >>>> somewhat related to some of the points he raised, but which is (I think) >> not completely covered. >>>> I'm really confused about what the purported privacy properties of >>>> this protocol are. In section 4.3 (which I *think* talks about >>>> globally- routable IP addresses, although this is a bit unclear), the >> document says: >>>> such an IID SHOULD guarantee a stable IPv6 address >>>> because each data link connection is uniquely identified by the pair >>>> of DSAP and SSAP included in the header of each LLC PDU in NFC >>>> >>>> (Aside: this "should" is a simple statement of fact, not a described >>>> behavior of the protocol, and so the use of RFC-2119-style all-caps >>>> is not >>>> appropriate.) >>> Agreed. I will fix it. >>> >>>> The presence of "a stable IPv6 address" inherently implies the >>>> ability to track devices. >>> Agreed. I will change them with "a secured and stable IPv6 address". >> This is ok? >> >> >> I don't think this changes the issue. Your response below implies that the >> address is stable only over very short periods of time, and that would >> address my concern. If that's true, then the solution would be to add text >> here that qualifies how long the address is stable (e.g.: >> "...such an IID should guarantee a stable IPv6 address during the course >> of a single connection, because...") >> > I got it. I will put the text. Thanks for your comment again. Thanks! I'll clear my discuss once the new version is submitted. /a
- [6lo] Adam Roach's Discuss on draft-ietf-6lo-nfc-… Adam Roach via Datatracker
- Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-… 최영환
- Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-… Adam Roach
- Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-… 최영환
- Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-… Adam Roach
- Re: [6lo] Adam Roach's Discuss on draft-ietf-6lo-… 최영환