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Re: [ipwave] draft-ietf-ipwave-ipv6-over-80211ocb-00 use of term "802.2 LLC"

Alexandre Petrescu <alexandre.petrescu@gmail.com> Fri, 03 February 2017 16:36 UTC

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To: François Simon <fygsimon@gmail.com>, 'Russ Housley' <housley@vigilsec.com>
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [ipwave] draft-ietf-ipwave-ipv6-over-80211ocb-00 use of term "802.2 LLC"
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Le 03/02/2017 à 16:12, François Simon a écrit :
> While LLC standard is out of scope for 802.11 is concerned, it is still
> mentioned. Two LLC types:
>
> - LLC Protocol Discrimination (LPD) - IEEE Std 802-2014 - ISO/IEC
> 8802-2:1998
> - EPD EtherType Protocol Discrimination (EPD) - IEEE Std 802-2014 - IEEE Std
> 802.3-2012
>
> EPD is used for 5.9 GHz Band

Ok, it is good to know.

But is it about the future or about the present? (I have not seen "EPD" 
myself, yet I have seen "LLC" used in IPv6 packets transmitted on 802.11 
in OCB mode).

The text to be put in IPv6/OCB saying LLC or EPD or SNAP depends on that 
tense.

Alex

>
> Fygs
>
>
> -----Original Message-----
> From: its [mailto:its-bounces@ietf.org] On Behalf Of Russ Housley
> Sent: Thursday, February 02, 2017 12:57 PM
> To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
> Cc: its@ietf.org
> Subject: Re: [ipwave] draft-ietf-ipwave-ipv6-over-80211ocb-00 use of term
> "802.2 LLC"
>
>
> On Feb 2, 2017, at 12:09 PM, Alexandre Petrescu
> <alexandre.petrescu@gmail.com> wrote:
>
>> draft-ietf-ipwave-ipv6-over-80211ocb-00 use of term "802.2 LLC"
>>
>> Hello IPWAVErs,
>>
>> It has been suggested that the term "802.2 LLC" may not be relevant
>> because in the next version of the IEEE 802.11 standard the LLC will
>> no longer be based on IEEE 802.2.
>>
>> As such, I propose the following change:
>>
>> old:
>>> The IPv6 Networking is layered on top of the IEEE 802.2 Logical-Link
>>> Control (LLC) layer; this is itself layered on top of the 802.11p
>>> MAC; this layering illustration is similar to that of running IPv6
>>> over 802.2    LLC over the 802.11 MAC, or over Ethernet MAC.
>>
>> new:
>>> The IPv6 Networking is layered on top of an IEEE 802.11 LLC layer;
>>> this is itself layered on top of the 802.11 MAC layer; this layering
>>> illustration is similar to that of running IPv6 over 802.2 LLC over
>>> the IEEE 802.3 (Ethernet) MAC.
>
> I think that talking about Ethernet is causing confusion.  Perhaps it would
> be more straightforward to say that SNAP [RFC1042] is used to carry the IPv6
> Ethertype.
>
> Russ
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>
>

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