Re: [ipwave] [Gen-art] Genart last call review of draft-ietf-ipwave-ipv6-over-80211ocb-46
Alexandre Petrescu <alexandre.petrescu@gmail.com> Thu, 01 August 2019 13:17 UTC
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To: dickroy@alum.mit.edu, "'Roni Even (A)'" <roni.even@huawei.com>
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [ipwave] [Gen-art] Genart last call review of draft-ietf-ipwave-ipv6-over-80211ocb-46
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Le 18/06/2019 à 18:19, Dick Roy a écrit : > It is not up to the IETF to make ANY statement about when a MAC address > should be changed! It is a system issue, and the system is MYCH BIGGER than > any single interface and the protocols over that interface. Making any such > requirements is foolish at best. I tend to agree. With respect to QoS aspects, a potential way is for IPv6-over-OCB to specify what goes into IPv6 Traffic Class field and how that value may get mapped into a 802.11 QoS priority value. Alex > > -----Original Message----- > From: its [mailto:its-bounces@ietf.org] On Behalf Of Alexandre Petrescu > Sent: Tuesday, June 18, 2019 3:24 AM > To: Roni Even (A) > Cc: ietf@ietf.org; its@ietf.org > Subject: Re: [ipwave] [Gen-art] Genart last call review of > draft-ietf-ipwave-ipv6-over-80211ocb-46 > > It is a good idea. It would unlock an important issue in the IPWAVE WG. > > Le 18/06/2019 à 11:26, Roni Even (A) a écrit : >> Hi, Maybe use similar language as in >> https://tools.ietf.org/id/draft-ietf-ipwave-vehicular-networking-09.txt >> >> For the protection of drivers' privacy, the pseudonym of a MAC >> address of a vehicle's network interface should be used, with the >> help of which the MAC address can be changed periodically. > > YEs, and use 'MAY' instead of 'should'. > >> I only found the sentence " The policy dictating when the MAC address >> is changed on the 802.11-OCB interface is to-be-determined" as too >> weak. > > I agree, it begs for clarification. > > > Alex > >> >> >> Roni >> >> -----Original Message----- From: ietf [mailto:ietf-bounces@ietf.org] >> On Behalf Of Alexandre Petrescu Sent: Tuesday, June 18, 2019 12:10 >> PM To: ietf@ietf.org Subject: Re: [ipwave] [Gen-art] Genart last call >> review of draft-ietf-ipwave-ipv6-over-80211ocb-46 >> >> Hi, I understand the text makes one think the way you do. >> >> Privacy is indeed a major issue in vehicular networks. >> >> I dont know how to better formulate this MAC address change such as >> to be ready for the future, and also be compatible with the present. >> >> 1609.4 is not implemented in all places. Those who implement 1609.4 >> do not implement IPv6-over-OCB. 1609.4 implementations, such as all >> 1609 implementations, come with a high cost in software, hardware and >> necessary skillset. >> >> IPv6-over-OCB comes at significantly lower cost in the three. >> >> Alex >> >> Le 18/06/2019 à 10:40, Roni Even (A) a écrit : >>> Hi, >>> >>> I am not a security expert, I was just trying to reflect that when >>> reading the document I got the impression that privacy is a major >>> concern since the IP-OBU is moving and its location can be traced >>> by sniffing the MAC addresses. >>> >>> Maybe it will be good to have a security review of the document. I >>> also noticed that there is support in IEEE SA - 1609.4-2016 for >>> MAC address change. >>> >>> Roni Even >>> >>> *From:*Dick Roy [mailto:dickroy@alum.mit.edu] *Sent:* Monday, June >>> 17, 2019 10:48 PM *To:* Roni Even (A); 'NABIL BENAMAR'; 'Roni >>> Even' *Cc:* gen-art@ietf.org; 'IETF Discussion'; its@ietf.org; >>> draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org *Subject:* RE: >>> [ipwave] [Gen-art] Genart last call review of >>> draft-ietf-ipwave-ipv6-over-80211ocb-46 >>> >>> ---------------------------------------------------------------------- >>> >>> > -- >>> >>> *From:*its [mailto:its-bounces@ietf.org] *On Behalf Of *Roni Even >>> (A) *Sent:* Monday, June 17, 2019 6:26 AM *To:* NABIL BENAMAR; Roni >>> Even *Cc:* gen-art@ietf.org <mailto:gen-art@ietf.org>; IETF >>> Discussion; its@ietf.org <mailto:its@ietf.org>; >>> draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org >>> <mailto:draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org> >>> *Subject:* Re: [ipwave] [Gen-art] Genart last call review of >>> draft-ietf-ipwave-ipv6-over-80211ocb-46 >>> >>> Thanks, >>> >>> The only comment left is: >>> >>> >>> 2. In section 5.2 "The policy dictating when the MAC address is >>> changed on the 802.11-OCB interface is to-be-determined.". Reading >>> the next sentence it looks to me that this is needed as part of >>> the solution and should not be left for the unknown future. >>> >>> Should we reformulate here? >>> >>> I was expecting some recommendation since the changing of MAC >>> address is important to address privacy issues (discussed in >>> section 5). Currently it is left open with no recommendation , only >>> saying that dynamic change of MAC address is needed. >>> >>> Maybe the document should have some normative language for example >>> in section 5.1 that will say that IP-OBU MUST dynamic change their >>> MAC addresses >>> >>> */[RR] I highly recommend AGAINST this! There will be a number >>> OBU and RSU implementations that DO NOT require anonymity, and >>> don't want it either. Furthermore, immutable identifier change >>> must be coordinated with all other interfaces and protocols >>> otherwise changing them is useless./* >>> >>> Did the document go through security area review? >>> >>> */[RR] If it did, and the above was not mentioned, then something >>> was missed./* >>> >>> Roni >>> >>> *From:*Gen-art [mailto:gen-art-bounces@ietf.org] *On Behalf Of >>> *NABIL BENAMAR *Sent:* Monday, June 17, 2019 12:48 PM *To:* Roni >>> Even *Cc:* gen-art@ietf.org <mailto:gen-art@ietf.org>; IETF >>> Discussion; its@ietf.org <mailto:its@ietf.org>; >>> draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org >>> <mailto:draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org> >>> *Subject:* Re: [Gen-art] Genart last call review of >>> draft-ietf-ipwave-ipv6-over-80211ocb-46 >>> >>> Dear Roni, >>> >>> Thank you for your review. >>> >>> Please, see my answers below. >>> >>> On Sun, Jun 16, 2019, 09:52 Roni Even via Datatracker >>> <noreply@ietf.org <mailto:noreply@ietf.org>> wrote: >>> >>> Reviewer: Roni Even Review result: Almost Ready >>> >>> I am the assigned Gen-ART reviewer for this draft. The General >>> Area Review Team (Gen-ART) reviews all IETF documents being >>> processed by the IESG for the IETF Chair. Please treat these >>> comments just like any other last call comments. >>> >>> For more information, please see the FAQ at >>> >>> <https://trac.ietf.org/trac/gen/wiki/GenArtfaq>. >>> >>> Document: draft-ietf-ipwave-ipv6-over-80211ocb-?? Reviewer: Roni >>> Even Review Date: 2019-06-16 IETF LC End Date: 2019-06-26 IESG >>> Telechat date: Not scheduled for a telechat >>> >>> Summary: The document is almost ready for publication as a standard >>> track RFC >>> >>> Major issues: >>> >>> Minor issues: >>> >>> 1. Section 4.2 says "IP packets MUST be transmitted over >>> 802.11-OCB media as QoS Data" while appendix F say "The STA may >>> send data frames of subtype Data, Null, QoS Data, and QoS Null. >>> >>> I will update the appendix to reflect the text in section 4.2. >>> >>> >>> 2. In section 5.2 "The policy dictating when the MAC address is >>> changed on the 802.11-OCB interface is to-be-determined.". Reading >>> the next sentence it looks to me that this is needed as part of the >>> solution and should not be left for the unknown future. >>> >>> Should we reformulate here? >>> >>> >>> 3. In Appendix I 4th paragraph " However, this does not apply if >>> TBD TBD TBD. " ... What are the TBDs? >>> >>> The whole sentence will be removed. >>> >>> >>> Nits/editorial comments: 1. In appendix I last paragraph "Support >>> of RFC 8505 is may be implemented on OCB." should be "Support of >>> RFC 8505 may be implemented on OCB." 2. In Appendix I "OCB nodes >>> that support RFC 8505 would support the 6LN operation in order to >>> act as a host". I think that instead of "would" it should be >>> "should" also if this is a recommendation why not have this >>> paragraph not in an appendix with "MAY" and "SHOULD >>> >>> Agreed. >>> >> >> > > _______________________________________________ > its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its > >
- [ipwave] Genart last call review of draft-ietf-ip… Roni Even via Datatracker
- Re: [ipwave] Genart last call review of draft-iet… NABIL BENAMAR
- Re: [ipwave] [Gen-art] Genart last call review of… Roni Even (A)
- Re: [ipwave] [Gen-art] Genart last call review of… Alexandre Petrescu
- Re: [ipwave] [Gen-art] Genart last call review of… NABIL BENAMAR
- Re: [ipwave] [Gen-art] Genart last call review of… Roni Even (A)
- Re: [ipwave] [Gen-art] Genart last call review of… Alexandre Petrescu
- Re: [ipwave] [Gen-art] Genart last call review of… NABIL BENAMAR
- Re: [ipwave] [Gen-art] Genart last call review of… Roni Even (A)
- Re: [ipwave] [Gen-art] Genart last call review of… Brian E Carpenter
- Re: [ipwave] [Gen-art] Genart last call review of… Alexandre Petrescu