On Thu, 30 May 2002 09:20:17 -0400 Leo Bicknell <[EMAIL PROTECTED]> wrote: > > In a message written on Mon, May 06, 2002 at 02:14:34PM -0400, Joe Abley > wrote: > > I wonder whether the average small, multi-homed ISP who currently > > lusts after PI space would find all their renumbering nightmares > > reduced to entirely manageable levels by the delegation of (say) > > 1 x /24 PI netblock to number nameservers and mail exchangers, and > > n x /whatever netblocks to number everything else. > > This just gave me an interesting idea. What if a /8 was set aside > from one of the reserved pools, and each ASN got one /24 out of > that /8 automatically and predictably (8 bits net + 16 bits of ASN > = 24 bits) when getting an ASN?
This is just the "GLOP" multicast address assignment idea of RFC 2770 http://www.ietf.org/rfc/rfc2770.txt where a /24 is assigned automatically. It would add 30% to the number of BGP address blocks pretty much automatically. Regards Marshall Eubanks > > Since you have to connect to two or more providers to get an ASN, > and since the whole reason to have an ASN is to inject things into > the DFZ it doesn't seem like it would increase routing table size > by a huge amount. It would eliminate one whole paperwork/justification > step (for your first address allocation). For subsequent allocations > there is an example (that /24) of how efficiently the ISP uses the > space. > > -- > Leo Bicknell - [EMAIL PROTECTED] - CCIE 3440 > PGP keys at http://www.ufp.org/~bicknell/ > Read TMBG List - [EMAIL PROTECTED], www.tmbg.org