Re: draft-ietf-v6ops-addr-select-ps-02

[Brian E Carpenter <brian.e.carpenter@gmail.com>]

On 2008-01-28 00:26, Florian Weimer wrote:
> I've also noticed that the draft fails to mention that Rule 9, when
> applied by most of the client population on the Internet, results in
> worse performance than no destination address sorting at all.
> 
> Rule 9 might offer a significant advantage in private deployments which
> use non-IANA address allocation.  In other cases, routing is typically
> not hierarchical at all, so that the length of the matching address
> prefix is meaningless.

Not true if the sites concerned are both using PA space and
happen to have the same ISP. We still have hopes that PA space will
be predominant in IPv6, despite the PI heresy.

Can you describe cases in which this rule is actively harmful?

   Brian