draft-ietf-ipwave-ipv6-over-80211ocb-16.txt   draft-ietf-ipwave-ipv6-over-80211ocb-17.txt 
Network Working Group A. Petrescu Network 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: August 18, 2018 Moulay Ismail University Expires: August 19, 2018 Moulay Ismail University
J. Haerri J. Haerri
Eurecom Eurecom
J. Lee J. Lee
Sangmyung University Sangmyung University
T. Ernst T. Ernst
YoGoKo YoGoKo
February 14, 2018 February 15, 2018
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-16.txt draft-ietf-ipwave-ipv6-over-80211ocb-17.txt
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 August 18, 2018. This Internet-Draft will expire on August 19, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 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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4.1. Maximum Transmission Unit (MTU) 4.1. Maximum Transmission Unit (MTU)
The default MTU for IP packets on 802.11-OCB MUST be 1500 octets. It The default MTU for IP packets on 802.11-OCB MUST be 1500 octets. It
is the same value as IPv6 packets on Ethernet links, as specified in is the same value as IPv6 packets on Ethernet links, as specified in
[RFC2464]. This value of the MTU respects the recommendation that [RFC2464]. This value of the MTU respects the recommendation that
every link on the Internet must have a minimum MTU of 1280 octets every link on the Internet must have a minimum MTU of 1280 octets
(stated in [RFC8200], and the recommendations therein, especially (stated in [RFC8200], and the recommendations therein, especially
with respect to fragmentation). If IPv6 packets of size larger than with respect to fragmentation). If IPv6 packets of size larger than
1500 bytes are sent on an 802.11-OCB interface card then the IP stack 1500 bytes are sent on an 802.11-OCB interface card then the IP stack
MUST fragment. In case there are IP fragments, the field "Sequence MUST fragment. In case there are IP fragments, the field "Sequence
number" of the 802.11 Data header containing the IP fragment field number" of the 802.11 Data header containing the IP fragment field is
MUST be increased. increased.
Non-IP packets such as WAVE Short Message Protocol (WSMP) can be Non-IP packets such as WAVE Short Message Protocol (WSMP) can be
delivered on 802.11-OCB links. Specifications of these packets are delivered on 802.11-OCB links. Specifications of these packets are
out of scope of this document, and do not impose any limit on the MTU out of scope of this document, and do not impose any limit on the MTU
size, allowing an arbitrary number of 'containers'. Non-IP packets size, allowing an arbitrary number of 'containers'. Non-IP packets
such as ETSI GeoNetworking packets have an MTU of 1492 bytes. The such as ETSI GeoNetworking packets have an MTU of 1492 bytes. The
operation of IPv6 over GeoNetworking is specified at operation of IPv6 over GeoNetworking is specified at
[ETSI-IPv6-GeoNetworking]. [ETSI-IPv6-GeoNetworking].
4.2. Frame Format 4.2. Frame Format
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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.
From draft-ietf-ipwave-ipv6-over-80211ocb-16 to draft-ietf-ipwave-
ipv6-over-80211ocb-17
o Susbtituted "MUST be increased" to "is increased" in the MTU
section, about fragmentation.
From draft-ietf-ipwave-ipv6-over-80211ocb-15 to draft-ietf-ipwave- From draft-ietf-ipwave-ipv6-over-80211ocb-15 to draft-ietf-ipwave-
ipv6-over-80211ocb-16 ipv6-over-80211ocb-16
o Removed the definition of the 'WiFi' term and its occurences. o Removed the definition of the 'WiFi' term and its occurences.
Clarified a phrase that used it in Appendix C "Aspects introduced Clarified a phrase that used it in Appendix C "Aspects introduced
by the OCB mode to 802.11". by the OCB mode to 802.11".
o Added more normative words: MUST be 0x86DD, MUST fragment if size o Added more normative words: MUST be 0x86DD, MUST fragment if size
larger than MTU, Sequence number in 802.11 Data header MUST be larger than MTU, Sequence number in 802.11 Data header MUST be
increased. increased.
 End of changes. 6 change blocks. 
6 lines changed or deleted 12 lines changed or added

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