On Sat, 8 May 2010, Joel M. Halpern wrote:

As far as I can tell, trying to create an IPv6 address that is mathematically equivalent to the AS number does us very little good if we assume some sort of mapping system (like ILNP.) It also does us very little good if we assume that customers use PA addresses.

It's worth exploring the non-mapping solution space.

There are a number of scenarios where, even with mapping solutions, the core internet locator topology (i.e. by definition not mapped) continues to experience the same scale of growth as is currently causing us today to consider mapping solutions.

Second, the reason I referred to an Ipv6 address is that I am not going to assume global replacement of core routers and global changes in the core forwarding paradigm. (Edge changes, yes, we have discussed many of those.)

Yes, I was trying to hint at this myself. :)

Folks could argue that operators today disaggregate such blocks.

Indeed. More than that, there is no guarantee today that an AS has internal transit. I.e. an AS is not per se continuous.

regards,
--
Paul Jakma      [email protected]  Key ID: 64A2FF6A
Fortune:
Once the toothpaste is out of the tube, it's hard to get it back in.
                -- H.R. Haldeman
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