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RE: IP renumbering timeframe
- From: Tony Hain
- Date: Fri May 31 17:37:33 2002
Andy Walden wrote:
> On Fri, 31 May 2002, Tony Hain wrote:
>
> > What is the point of an ASN if all you are multi-homing is a single
> > subnet?
>
> Tony,
>
> I'm missing the correlation between the amount of address
> space announced
> and multihoming. (Beyond the prefix being too long and potentially
> filtered). Care to elaborate?
>
>
> andy
The only reason for an ASN is the need to globally announce routing
policy due to multihoming. Unless policy changes, this community tends
to insist that the prefix length announced via that ASN corresponds to a
site, not a single subnet. For IPv6 that means a /48 makes sense as an
initial allocation with a new ASN, and a /64 does not.
Tony
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