North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Address clustering intuition
On Thu, 9 Nov 1995, Geert Jan de Groot wrote: > On Thu, 09 Nov 1995 10:16:39 -0700 "Walter O. Haas" wrote: > > I've formed an intuition that, if all IP addresses were portable (ie. > > independent of ISP) and assigned on a strictly geographic basis, then > > there would *automatically* be clustering of addresses equivalent to > > that obtained from CIDRization as a result of marketplace forces and > > the practicalities of technology. > > No, this does not work. Looking at Europe, I know of several ISPs > to which the shortest path from here (Amsterdam, the Netherlands) > is via MAE-EAST; they either don't have external connectivity > on the continent itself, or we have no provider willing to provide > transit between here and their continental connectivity. This is a very strange argument. There is always someone willing to provide transit for the right fee. > There is a second, similar reason: assume that A and B each operate > in the same area. They use different carriers for transit to MAE-EAST. > Who of these is going to announce the aggregated announcement? What aggregated announcement? Under his scheme, IP addresses are distributed geographically. Transit carriers would be responsible for getting a packet to the correct regional distribution center. Carriers would peer there and pick up their own customers' traffic. > > Note that this results from the address being, not the property of the > > ISP or the end user, but rather of a geographic location. In other words > > under my scheme if I picked up and moved a hundred miles I'd have to > > renumber, but if I just switched ISPs I wouldn't. -- Jim Dixon [email protected] VBCnet GB Ltd +44 117 929 1316 fax +44 117 927 2015 VBCnet West Inc +1 408 971 2682 fax +1 408 971 2684
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