Re: IPv6 Allocation Policy

Michel,

On Tue, May 20, 2003 at 11:28:46AM -0700, Michel Py wrote:
> 
> > David Kessens wrote:
> > From what I see, there are very few people who filter on /32
> > boundaries. Operational practise seems slightly different from
> > theory.
> 
> This is not what I hear nor what I see with my own peers. It would be
> interesting to actually take a poll among those of us that don't filter
> ingress routes. I see everything from no filtering at all to strict
> filtering.

I am not saying that people don't filter at all, I am saying that many
people don't filter on the /32 boundaries but on longer boundaries.

> I think that the point Craig was trying to make is that there is no
> point announcing long prefixes if half of the ASes filter them. If there
> were only one or two small stray ASes filtering it would be a different
> picture but this is not what I see today.

Yes, and this is only an issue if people actually do what many
non-operational people claim what the rules are. The problem is, there
really aren't any rules - the people who run networks are currently
slowly trying to figure out what is acceptable current practise and
what's not by checking out what other operators accept and what they
don't. And it is certainly not a done deal that everybody is filtering
on /32 boundaries. Only time can tell what will become the defacto
rules.

Having said this, this list is about establishing policies. And
although the registries cannot get involved on how networks are
acually being operated, it would be stupid to ignore the operational
reality and technical limitations of the current routing system.

David K.
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