IPWAVE Working Group of IETF, an updated status report

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Presentation transcript:

IPWAVE Working Group of IETF, an updated status report Alexandre PETRESCU, CEA March 2019

Contents What is IPWAVE Working Group Main WG item: IPv6 over 802.11 OCB Additional WG item: Problem Statement and Use Cases Current status

IPWAVE Working Group IP Wireless Access in Vehicular Environments (IPWAVE) is a Working Group at the Internet Engineering Task Force (IETF). Works on “V2V and V2I use-cases where IP is well-suited as a networking technology”. Liaisons with ISO TC 204, SAE, ETSI ITS, IEEE. Group formed in year 2016, after successful Birds-of-a-Feather (BoF) www.ietfjournal.org/intelligent-transportation-systems-and-the-ietf/ Email list, roughly 400 subscribers www.ietf.org/mailman/listinfo/its

Main Work Item: IPv6 over 802.11-OCB draft-ietf-ipwave-ipv6-over-80211ocb-34 publicly accessible IEEE 802.11p is a MAC and PHY layer for vehicular wireless networks: Operates Outside the Context of a BSSID (802.11-OCB). Works at 5.9GHz bands channels with a short 10MHz width. Requires the use of 802.11 “QoS Data” headers. Higher power levels are allowed (33 dBm, 40 dBm, country-specific). Future evolutions: 802.11-NGV, 802.11bd. Running an IP layer on 802.11-OCB requires the definition of a few parameters: EtherType is 0x86DD Minimum MTU size is 1280 bytes TID is 001 ‘Background’, ‘AC_BK’ Ethernet Adaptation Layer makes 802.11 headers from Ethernet II headers ‘Stable’ and ‘Opaque’ Interface Identifiers of variable length (1..118)

Additional WG item: Problem Statement and Use Cases draft-ietf-ipwave-vehicular-networking-07 publicly accessible Exercise in identifying gaps and open areas, prioritize for potential upcoming work; Analyse address autoconfiguration, routing, mobility management, DNS, service discovery, security and privacy – for IP networking in vehicular environments; Describes general problems; Describes IP-related problems; Mentions also the use of IP in cellular networks for vehicular environments.

Current Status The main WG item “IP-over-OCB”: Several independent documents have been submitted One joint document has been produced, and adopted by vote, as a WG item discussed publicly in the WG reviewed by the 6Man Working Group (“IPv6 Maintenance”) Last Called twice in IPWAVE, with multiple comments Demonstrated: (1) during Hackathon in spring 2019, (2) in some deployed Road Side Units (IP-RSUs), (3) in some vehicle-to-vehicle trials. Submitted to IESG for debate and approval towards becoming RFC. IETF’s INT and IoT Directorates reviews. Expecting finalising discussions in Prague IETF, March 2019. New work directions.