Re: [ipwave] draft-ietf-ipwave-ipv6-over-80211ocb-00 ETSI CAM and IP

Dear all,

right. In general the standards from ETSI do not require using a 
specific communication protocotol stack. Thus - from a standards point 
of view - any communications protocol stack is possible, e.g.

  * FNTP / ITS-M5 (ISO 29281-1 / ISO 21215)
  * IPv6 / ITS-M5 (ISO 21210 and others / ISO 21215)
  * FNTP  / LTE V2X (ISO 29281-1 / ISO 17515)
  * IPv6 / LTE V2X (ISO 21210 and others / ISO 17515)
  * WSMP / IEEE 802.11 OCB (IEEE 1609.3 - interoperable with FNTP / ITS-M5)
  * ...

Hans-Joachim Fischer

Am 12.02.2017 um 19:50 schrieb Alexandre Petrescu:
> draft-ietf-ipwave-ipv6-over-80211ocb-00
> ETSI CAM and IP
>
> It has been commented, that to the best of one's reading, the
> ETSI ITS documents do not specify what is the protocol that should be
> used to encapsulate CAMs.  This leads to wonder whether or not IP can be
> used to transport CAMs, and, if not - why not?
>
> The ETSI documents having been reviewed are the following:
> ETSI TS 102 637-2
> ETSI EN 302 665
>
> In this draft, the old text is the following:
>> D.2. Non IP Communications
>>
>> In IEEE 1609 and ETSI ITS, safety-related communications CANNOT be
>> used with IP datagrams. For example, Basic Safety Message (BSM, an
>> IEEE 1609 datagram) and Cooperative Awareness Message (CAM, an ETSI
>> ITS-G5 datagram), are each transmitted as a payload that is preceded
>> by link-layer headers, without an IP header.
>
> I propose the following new text:
>> D.2. Non IP Communications
>>
>> In IEEE 1609 and ETSI ITS, safety-related communications MAY NOT be
>> used with IP datagrams. For example, Basic Safety Message (BSM, an
>> IEEE 1609 datagram), are each transmitted as a payload that is preceded
>> by link-layer headers, without an IP header.
>
> (remark "MAY NOT" instead of CANNOT, and CAM absence).
>
> Alex
>
>
>
> _______________________________________________
> its mailing list
> its@ietf.org
> https://www.ietf.org/mailman/listinfo/its

-- 
Dr. Hans-Joachim Fischer
Managing Director

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