Re: [GLOBAL-V6]IPv6 Allocation Policy

[David Kessens <david@iprg.nokia.com>]

Michel,

On Mon, May 19, 2003 at 07:30:42PM -0700, Michel Py wrote:
> > Craig A. Huegen wrote:
> > So, in essence it calls for separate addressing to separate sites
> > with multiple ISP's at the same site.  This company uses PA space
> > when only one provider is present at a site (smaller access
> > points).
> 
> Indeed the only safe solution you have today is multiple /32s, not
> because you need that much space, but because of filtering. If you
> cut a
> single /32 in pieces and announce, say a /36 for each continent it
> will
> be filtered to leave only the /32 pass, resulting in traffic from
> Asia
> to the US /36 hitting your Asia site and then you have to carry the
> traffic internally.

>From what I see, there are very few people who filter on /32
boundaries. Operational practise seems slightly different from theory.

David K.
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