Quoting RFC2860 [Re: I-D Action:draft-azinger-scalable-addressing-00.txt]

[Doug Barton]

On 9/27/2010 10:16 AM, Tony Li wrote:
>
> This almost works for me.  Instead I would say that single-homed
> entities get PA and mildly multi-homed get PA and grossly multi-homed
> get PI.

How do you define "mildly?"

I think the "best" answer is obvious, find a magic solution to the 
routing table problem, and give everyone PI. Since that's not likely to 
happen, we need to figure out a way to give as many people PI as possible.

BTW, "the issue" with PI is not just multi-homing, it's also 
portability. In my conversations with folks about this (going all the 
way back to when I was at ICANN and talking to serious people about how 
to get IPv6 deployed sooner), enterprises that have PI IPv4 now won't 
even consider IPv6 without PI.


Doug

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