[rohc] Re: Review of draft-bormann-rohc-over-802-00.txt

On Nov 29 2004, at 12:28 Uhr, McCann, Stephen wrote:

> Carsten,
> 	I've only had a short time to quickly look at your I-D, but
> one thing that I did want to ask, is the applicability of this
> scheme to both IEEE 802.5 and 802.17, in that these are not
> ethernet based systems.
>
> I know that the 'iporpr' wg is doing some work in this area, but
> I just wondered if your I-D only refers to 802 media which support
> the ethernet type?

Stephen,

thank you for that comment; I've completely stopped thinking about 
rings.
While the discussion is framed in terms of the more visible 802 
standards, the intention indeed is to cover all 802-style L2s that 
commonly might be concatenated by bridge-like L2-only units (including 
even the non-802 FDDI, as this may form part of a bridged L2 path that 
leads to a wireless access point).
Since the solution (subset) proposed uses an LLC-style length field, I 
believe it does apply to 802.5 (but then I've never actually worked 
with 802.5, so I'm not sure).
In particular, I don't know how source-routing would interact with any 
negotiation/announce protocol.

I don't know enough about 802.17 to comment (I was under the impression 
that 802.17 is ethertype-based, though).

> PS : I have the same problems on the IEEE 802 side with IEEE 802.21

How do these problems manifest themselves in 802.21?

Gruesse, Carsten

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