Re: [ipwave] Fwd: New Version Notification for draft-ietf-ipwave-ipv6-over-80211ocb-31.txt
Dorothy Stanley <dstanley1389@gmail.com> Tue, 04 December 2018 15:37 UTC
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From: Dorothy Stanley <dstanley1389@gmail.com>
Date: Tue, 04 Dec 2018 07:36:51 -0800
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To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: its@ietf.org
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Subject: Re: [ipwave] Fwd: New Version Notification for draft-ietf-ipwave-ipv6-over-80211ocb-31.txt
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The statement below is not correct: " Due to lack of link-layer acknowledgements in 802.11-OCB, we can expect higher packet loss than for 802.11 BSS." Link Layer acknowledgements are present for unicast traffic in 802.11 and 802.11 OCB mode. Dorothy ---------------------- Dorothy Stanley IEEE 802.11 WG Chair, dstanley@ieee.org Hewlett Packard Enterprise dorothy.stanley@hpe.com <dstanley@arubanetworks.com> dstanley1389@gmail.com +1 630-363-1389 <630-363-1389> On Tue, Dec 4, 2018 at 7:11 AM Alexandre Petrescu < alexandre.petrescu@gmail.com> wrote: > > > Le 04/12/2018 à 16:04, Dorothy Stanley a écrit : > > Hello Alexandre, all, > > > > I am sharing the following information from John Kenny ( > > jkenney@us.toyota-itc.com <mailto:jkenney@us.toyota-itc.com>), who is > > actively involved in 802.11p implementation and deployments: "OCB can > > use unicast in the same way as other flavors of 802.11 ( individually > > addressed 802.11 MAC PDU that is ACKed using 802.11 procedures ). I > > find this is a common misunderstanding (indeed, I am in a meeting > > right now where this very point came up about 20 minutes ago). > > Probably the confusion is partly due to the fact that a great deal of > > DSRC attention is focused on the broadcast Basic Safety Message. Some > > people think that DSRC is only BSMs, or only broadcast messages. But, > > there are some important unicast applications as well." > > > > Thus a change is needed in 4.7, either delete the second sentence or > > modify to reflect that unicast is acknowledged. > > I propose > > NEW: > > The Neighbor Discovery protocol (ND) [RFC4861] is used over > > 802.11-OCB links. Due to lack of link-layer acknowledgements in > > 802.11-OCB, we can expect higher packet loss than for 802.11 BSS. The > > ND retransmissions are supposed to handle loss of IP unicast and/or > > IP multicast just as it does for other link types. > > (remark disappeared 'unicast' and 'multicast' from 2nd phrase, and added > 'IP' in front of unicast and multicast in 3rd phrase). > > OLD: > > The Neighbor Discovery protocol (ND) [RFC4861] is used over > > 802.11-OCB links. Due to lack of link-layer acknowledgements in > > 802.11-OCB for both unicast and multicast, we can expect higher > > unicast loss than for 802.11 BSS. The ND retransmissions are > > supposed to handle loss of unicast and/or multicast just as it does > > for other link types. > > Would this be agreed by John Kenney. > > Alex > > > > > Thanks, > > > > Dorothy > > > > ---------------------- Dorothy Stanley IEEE 802.11 WG Chair, > > dstanley@ieee.org <mailto:dstanley@ieee.org> Hewlett Packard > > Enterprise dorothy.stanley@hpe.com > > <mailto:dstanley@arubanetworks.com> dstanley1389@gmail.com > > <mailto:dstanley1389@gmail.com> +1 630-363-1389 <tel:630-363-1389> > > > > > > > > On Mon, Nov 19, 2018 at 10:07 AM Alexandre Petrescu > > <alexandre.petrescu@gmail.com <mailto:alexandre.petrescu@gmail.com>> > > wrote: > > > > Hi IPWAVErs, > > > > Following the discussion during presentation of the IPv6/OCB slides > > by Nabil during IPWAVE WG meeting, I have updated the IPv6/OCB > > draft. > > > > This is the ChangeLog: > > > > - filled in the section titled "Pseudonym Handling"; - removed a 'MAY > > NOT' phrase about possibility of having other prefix than the LL on > > the link between cars; - shortened and improved the paragraph about > > Mobile IPv6, now with DNAv6; - improved the ND text about ND > > retransmissions with relationship to packet loss; - changed the title > > of an appendix from 'EPD' to 'Protocol Layering'; - improved the > > 'Aspects introduced by OCB' appendix with a few phrases about the > > channel use and references. > > > > This fixes all issues about ND and pseudonym handling. > > > > Alex > > > > -------- Message transféré -------- Sujet : New Version Notification > > for draft-ietf-ipwave-ipv6-over-80211ocb-31.txt Date : Mon, 19 Nov > > 2018 10:01:52 -0800 De : internet-drafts@ietf.org > > <mailto:internet-drafts@ietf.org> Pour : Jerome Haerri > > <Jerome.Haerri@eurecom.fr <mailto:Jerome.Haerri@eurecom.fr>>, > > ipwave-chairs@ietf.org <mailto:ipwave-chairs@ietf.org>, Jerome Haerri > > <jerome.haerri@eurecom.fr <mailto:jerome.haerri@eurecom.fr>>, > > Alexandre Petrescu <Alexandre.Petrescu@cea.fr > > <mailto:Alexandre.Petrescu@cea.fr>>, Alexandre Petrescu > > <alexandre.petrescu@cea.fr <mailto:alexandre.petrescu@cea.fr>>, Nabil > > Benamar <n.benamar@est.umi.ac.ma <mailto:n.benamar@est.umi.ac.ma>>, > > Thierry Ernst <thierry.ernst@yogoko.fr > > <mailto:thierry.ernst@yogoko.fr>>, Jong-Hyouk Lee > > <jonghyouk@smu.ac.kr <mailto:jonghyouk@smu.ac.kr>> > > > > > > A new version of I-D, draft-ietf-ipwave-ipv6-over-80211ocb-31.txt has > > been successfully submitted by Alexandre Petrescu and posted to the > > IETF repository. > > > > Name: draft-ietf-ipwave-ipv6-over-80211ocb Revision: 31 > > Title: Transmission of IPv6 Packets over IEEE 802.11 > > Networks operating in mode Outside the Context of a Basic Service Set > > (IPv6-over-80211-OCB) Document date: 2018-11-19 Group: ipwave Pages: > > 41 URL: > > > https://www.ietf.org/internet-drafts/draft-ietf-ipwave-ipv6-over-80211ocb-31.txt > > > > > > > > > Status: > > https://datatracker.ietf.org/doc/draft-ietf-ipwave-ipv6-over-80211ocb/ > > > > > > > > > Htmlized: > > https://tools.ietf.org/html/draft-ietf-ipwave-ipv6-over-80211ocb-31 > > Htmlized: > > > https://datatracker.ietf.org/doc/html/draft-ietf-ipwave-ipv6-over-80211ocb > > > > > > > > > Diff: > > > https://www.ietf.org/rfcdiff?url2=draft-ietf-ipwave-ipv6-over-80211ocb-31 > > > > > > > > > Abstract: In order to transmit IPv6 packets on IEEE 802.11 networks > > running outside the context of a basic service set (OCB, earlier > > "802.11p") there is a need to define a few parameters such as the > > supported Maximum Transmission Unit size on the 802.11-OCB link, the > > header format preceding the IPv6 header, the Type value within it, > > and others. This document describes these parameters for IPv6 and > > IEEE 802.11-OCB networks; it portrays the layering of IPv6 on > > 802.11-OCB similarly to other known 802.11 and Ethernet layers - by > > using an Ethernet Adaptation Layer. > > > > > > > > > > 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 <http://tools.ietf.org>. > > > > The IETF Secretariat > > > > _______________________________________________ its mailing list > > its@ietf.org <mailto:its@ietf.org> > > https://www.ietf.org/mailman/listinfo/its > > >
- [ipwave] Fwd: New Version Notification for draft-… Alexandre Petrescu
- Re: [ipwave] Fwd: New Version Notification for dr… Carlos Jesús Bernardos Cano
- Re: [ipwave] Fwd: New Version Notification for dr… Nabil Benamar
- Re: [ipwave] Fwd: New Version Notification for dr… Carlos Jesús Bernardos Cano
- Re: [ipwave] Fwd: New Version Notification for dr… Nabil Benamar
- Re: [ipwave] Fwd: New Version Notification for dr… Dorothy Stanley
- Re: [ipwave] Fwd: New Version Notification for dr… Alexandre Petrescu
- Re: [ipwave] Fwd: New Version Notification for dr… Dorothy Stanley
- Re: [ipwave] Fwd: New Version Notification for dr… John Kenney
- Re: [ipwave] Fwd: New Version Notification for dr… Alexandre Petrescu
- Re: [ipwave] Fwd: New Version Notification for dr… Jérôme Härri
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Dorothy Stanley
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Brian E Carpenter
- Re: [ipwave] ND an link-layer acks - text Brian E Carpenter
- Re: [ipwave] ND an link-layer acks - text Dorothy Stanley
- Re: [ipwave] ND an link-layer acks - text Brian E Carpenter
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks - text Alexandre Petrescu
- Re: [ipwave] ND an link-layer acks Alexandre Petrescu