draft-ietf-ipwave-ipv6-over-80211ocb-37.txt   draft-ietf-ipwave-ipv6-over-80211ocb-38.txt 
IPWAVE Working Group A. Petrescu IPWAVE Working Group A. Petrescu
Internet-Draft CEA, LIST Internet-Draft CEA, LIST
Intended status: Standards Track N. Benamar Intended status: Standards Track N. Benamar
Expires: October 11, 2019 Moulay Ismail University Expires: October 13, 2019 Moulay Ismail University
J. Haerri J. Haerri
Eurecom Eurecom
J. Lee J. Lee
Sangmyung University Sangmyung University
T. Ernst T. Ernst
YoGoKo YoGoKo
April 9, 2019 April 11, 2019
Transmission of IPv6 Packets over IEEE 802.11 Networks operating in mode Transmission of IPv6 Packets over IEEE 802.11 Networks operating in mode
Outside the Context of a Basic Service Set (IPv6-over-80211-OCB) Outside the Context of a Basic Service Set (IPv6-over-80211-OCB)
draft-ietf-ipwave-ipv6-over-80211ocb-37 draft-ietf-ipwave-ipv6-over-80211ocb-38
Abstract Abstract
In order to transmit IPv6 packets on IEEE 802.11 networks running In order to transmit IPv6 packets on IEEE 802.11 networks running
outside the context of a basic service set (OCB, earlier "802.11p") 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 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 Maximum Transmission Unit size on the 802.11-OCB link, the header
format preceding the IPv6 header, the Type value within it, and format preceding the IPv6 header, the Type value within it, and
others. This document describes these parameters for IPv6 and IEEE others. This document describes these parameters for IPv6 and IEEE
802.11-OCB networks; it portrays the layering of IPv6 on 802.11-OCB 802.11-OCB networks; it portrays the layering of IPv6 on 802.11-OCB
skipping to change at page 1, line 46 skipping to change at page 1, line 46
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 11, 2019. This Internet-Draft will expire on October 13, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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Transmitting IPv6 packets to multicast destinations over 802.11 links Transmitting IPv6 packets to multicast destinations over 802.11 links
proved to have some performance issues proved to have some performance issues
[I-D.ietf-mboned-ieee802-mcast-problems]. These issues may be [I-D.ietf-mboned-ieee802-mcast-problems]. These issues may be
exacerbated in OCB mode. Solutions for these problems SHOULD exacerbated in OCB mode. Solutions for these problems SHOULD
consider the OCB mode of operation. consider the OCB mode of operation.
4.6. Subnet Structure 4.6. Subnet Structure
A subnet is formed by the external 802.11-OCB interfaces of vehicles A subnet is formed by the external 802.11-OCB interfaces of vehicles
that are in close range (not by their in-vehicle interfaces). This that are in close range (not by their in-vehicle interfaces). This
subnet MUST use at least the link-local prefix fe80::/10 and the subnet MUST use at least the link-local prefix and the interfaces
interfaces MUST be assigned IPv6 addresses of type link-local. MUST be assigned IPv6 address(es) of type link-local.
The structure of this subnet is ephemeral, in that it is strongly The structure of this subnet is ephemeral, in that it is strongly
influenced by the mobility of vehicles: the hidden terminal effects influenced by the mobility of vehicles: the hidden terminal effects
appear; the 802.11 networks in OCB mode may be considered as 'ad-hoc' appear; the 802.11 networks in OCB mode may be considered as 'ad-hoc'
networks with an addressing model as described in [RFC5889]. On networks with an addressing model as described in [RFC5889]. On
another hand, the structure of the internal subnets in each car is another hand, the structure of the internal subnets in each car is
relatively stable. relatively stable.
As recommended in [RFC5889], when the timing requirements are very As recommended in [RFC5889], when the timing requirements are very
strict (e.g. fast drive through IP-RSU coverage), no on-link subnet strict (e.g. fast drive through IP-RSU coverage), no on-link subnet
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Emmanuel Baccelli, John Kenney, John Moring, Francois Simon, Dan Emmanuel Baccelli, John Kenney, John Moring, Francois Simon, Dan
Romascanu, Konstantin Khait, Ralph Droms, Richard 'Dick' Roy, Ray Romascanu, Konstantin Khait, Ralph Droms, Richard 'Dick' Roy, Ray
Hunter, Tom Kurihara, Michal Sojka, Jan de Jongh, Suresh Krishnan, Hunter, Tom Kurihara, Michal Sojka, Jan de Jongh, Suresh Krishnan,
Dino Farinacci, Vincent Park, Jaehoon Paul Jeong, Gloria Gwynne, Dino Farinacci, Vincent Park, Jaehoon Paul Jeong, Gloria Gwynne,
Hans-Joachim Fischer, Russ Housley, Rex Buddenberg, Erik Nordmark, Hans-Joachim Fischer, Russ Housley, Rex Buddenberg, Erik Nordmark,
Bob Moskowitz, Andrew Dryden, Georg Mayer, Dorothy Stanley, Sandra Bob Moskowitz, Andrew Dryden, Georg Mayer, Dorothy Stanley, Sandra
Cespedes, Mariano Falcitelli, Sri Gundavelli, Abdussalam Baryun, Cespedes, Mariano Falcitelli, Sri Gundavelli, Abdussalam Baryun,
Margaret Cullen, Erik Kline, Carlos Jesus Bernardos Cano, Ronald in Margaret Cullen, Erik Kline, Carlos Jesus Bernardos Cano, Ronald in
't Velt, Katrin Sjoberg, Roland Bless, Tijink Jasja, Kevin Smith, 't Velt, Katrin Sjoberg, Roland Bless, Tijink Jasja, Kevin Smith,
Brian Carpenter, Julian Reschke, Mikael Abrahamsson, Dirk von Hugo, Brian Carpenter, Julian Reschke, Mikael Abrahamsson, Dirk von Hugo,
Lorenzo Colitti, Pascal Thubert and William Whyte. Their valuable Lorenzo Colitti, Pascal Thubert, Ole Troan, Jinmei Tatuya and William
comments clarified particular issues and generally helped to improve Whyte. Their valuable comments clarified particular issues and
the document. generally helped to improve the document.
Pierre Pfister, Rostislav Lisovy, and others, wrote 802.11-OCB Pierre Pfister, Rostislav Lisovy, and others, wrote 802.11-OCB
drivers for linux and described how. drivers for linux and described how.
For the multicast discussion, the authors would like to thank Owen For the multicast discussion, the authors would like to thank Owen
DeLong, Joe Touch, Jen Linkova, Erik Kline, Brian Haberman and DeLong, Joe Touch, Jen Linkova, Erik Kline, Brian Haberman and
participants to discussions in network working groups. participants to discussions in network working groups.
The authors would like to thank participants to the Birds-of- The authors would like to thank participants to the Birds-of-
a-Feather "Intelligent Transportation Systems" meetings held at IETF a-Feather "Intelligent Transportation Systems" meetings held at IETF
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document freely available at URL document freely available at URL
http://standards.ieee.org/getieee802/ http://standards.ieee.org/getieee802/
download/802.11p-2010.pdf retrieved on September 20th, download/802.11p-2010.pdf retrieved on September 20th,
2013.". 2013.".
Appendix A. ChangeLog Appendix A. ChangeLog
The changes are listed in reverse chronological order, most recent The changes are listed in reverse chronological order, most recent
changes appearing at the top of the list. changes appearing at the top of the list.
-38: removed the word "fe80::/10".
-37: added a section about issues on ND wireless; added the qualifier -37: added a section about issues on ND wireless; added the qualifier
'baseline' to using ND on 802.11-OCB; improved the description of the 'baseline' to using ND on 802.11-OCB; improved the description of the
reference to 802.11-2016 document, with a qualifier about the reference to 802.11-2016 document, with a qualifier about the
difficulty of accessing it, even though it is free. difficulty of accessing it, even though it is free.
-36: removed a phrase about the IID formation and MAC generation, but -36: removed a phrase about the IID formation and MAC generation, but
left in the section 5.2 that describes how it happens. left in the section 5.2 that describes how it happens.
-35: addressing the the intarea review: clarified a small apparent -35: addressing the the intarea review: clarified a small apparent
contradiction between two parts of text that use the old MAC-based contradiction between two parts of text that use the old MAC-based
 End of changes. 7 change blocks. 
9 lines changed or deleted 11 lines changed or added

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