Bob,
I went back and re-read the thread you mention below. There is
absolutely no reason why discussion of site-locals couldn't be moved
to the scoped addressing architecture doc. It wouldn't affect the
text needed in the Node Requirements draft and it would put all the
scoped addressing discussion in one place.
Regards,
Brian
Bob Hinden wrote:
>
> Brian,
>
> I think this goes to far. We have recently had a long discussion on the
> list regarding unicast site-local that concluded with keeping the
> definition of unicast site-local addresses in the document (see my email on
> 21 Jun 2002, titled "Consensus on Site-Local Discussion"). Part of that
> was that we would add text to the Node Requirements document that nodes are
> only required to implement the rules specified in the default address
> selection document (now a Proposed Standard) and that there be no
> requirement that a node must be able to be part of more than one zone.
>
> Bob
>
> >I would go a step further. Since almost no one has implemented the
> >routing/forwarding of scoped addresses (multicast & unicast site
> >locals), I recommend:
> >
> > 1. Move all discussion of multicast scopes out of the addr-arch
> > and into the scoped addr-arch doc
> > 2. Move all text on site-local unicasts out of the addr-arch
> > doc and into the scoped addr-arch doc
> > 3. Add explicit text to the scoped addr-arch doc to define
> > how/when/where these scopes should be used
> >
> >This would allow the addr-arch doc to progress to DS without being
> >hung up on text involving scoped addresses but still describing the
> >pieces that we know work (e.g. global and link-local). It would also
> >make a clean delineation between global and scoped addresses.
> >
> >The scoped addr-arch doc can then be the home for future work on
> >scoped addresses.
> >
> >My reasoning is based on actually having implemented scoped routing
> >and forwarding. It is not trivial or for the weak of heart.
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