[ipv6-wg] Re: Re: [address-policy-wg] Re: Andre's guide to fix IPv6

On Thu, Dec 01, 2005 at 04:53:44PM +0100, Jeroen Massar wrote:
> Max Tulyev wrote:
> >> Very easy. In the Internet the equivalent of phone numers, the DNS names
> >> are alleady portable - so you can easily switch ISP and keep your email
> >> address and URLs without renumbering.
> > 
> > Imagine you are a hosting provider with, say, 10000 sites (domains), 3000 of 
> > them is even not under your control. You have 10 servers to host them (i.e. 
> > you need 10 IPs).
> 
> > Changing ISP is really easy?
> > 
> > To be a LIR and grab /20 if really need only /28?
> 
> With a /28 you won't appear far in the current IPv4 routing tables
> either. Most sites filter prefixes longer than 24.
> How do you currently use such a /28 as PI? Or did you become a LIR and
> got that /20, just like is possible now with IPv6?
> 
> As an exercise for the readers try to remember why there are filters on
> IPv4 /24 boundaries and the try to figure out why there are quite a
> number of people not wanting IPv6 PI to fill their IPv6 routing tables.
> 
> Greets,
>  Jeroen

	one might also ask why a RIB/FIB entry has more relevance
	for one size prefix instead of another.

--bill